| 1 | #define INCL_DOS |
| 2 | #define INCL_NOPM |
| 3 | #define INCL_DOSFILEMGR |
| 4 | #define INCL_DOSMEMMGR |
| 5 | #define INCL_DOSERRORS |
| 6 | #define INCL_WINERRORS |
| 7 | #define INCL_WINSYS |
| 8 | /* These 3 are needed for compile if os2.h includes os2tk.h, not os2emx.h */ |
| 9 | #define INCL_DOSPROCESS |
| 10 | #define SPU_DISABLESUPPRESSION 0 |
| 11 | #define SPU_ENABLESUPPRESSION 1 |
| 12 | #include <os2.h> |
| 13 | #include "dlfcn.h" |
| 14 | #include <emx/syscalls.h> |
| 15 | #include <sys/emxload.h> |
| 16 | |
| 17 | #include <sys/uflags.h> |
| 18 | |
| 19 | /* |
| 20 | * Various Unix compatibility functions for OS/2 |
| 21 | */ |
| 22 | |
| 23 | #include <stdio.h> |
| 24 | #include <errno.h> |
| 25 | #include <limits.h> |
| 26 | #include <process.h> |
| 27 | #include <fcntl.h> |
| 28 | #include <pwd.h> |
| 29 | #include <grp.h> |
| 30 | |
| 31 | #define PERLIO_NOT_STDIO 0 |
| 32 | |
| 33 | #include "EXTERN.h" |
| 34 | #include "perl.h" |
| 35 | |
| 36 | enum module_name_how { mod_name_handle, mod_name_shortname, mod_name_full, |
| 37 | mod_name_C_function = 0x100, mod_name_HMODULE = 0x200}; |
| 38 | |
| 39 | /* Find module name to which *this* subroutine is compiled */ |
| 40 | #define module_name(how) module_name_at(&module_name_at, how) |
| 41 | |
| 42 | static SV* module_name_at(void *pp, enum module_name_how how); |
| 43 | |
| 44 | void |
| 45 | croak_with_os2error(char *s) |
| 46 | { |
| 47 | Perl_croak_nocontext("%s: %s", s, os2error(Perl_rc)); |
| 48 | } |
| 49 | |
| 50 | struct PMWIN_entries_t PMWIN_entries; |
| 51 | |
| 52 | /*****************************************************************************/ |
| 53 | /* 2.1 would not resolve symbols on demand, and has no ExtLIBPATH. */ |
| 54 | |
| 55 | struct dll_handle_t { |
| 56 | const char *modname; |
| 57 | HMODULE handle; |
| 58 | int requires_pm; |
| 59 | }; |
| 60 | |
| 61 | static struct dll_handle_t dll_handles[] = { |
| 62 | {"doscalls", 0, 0}, |
| 63 | {"tcp32dll", 0, 0}, |
| 64 | {"pmwin", 0, 1}, |
| 65 | {"rexx", 0, 0}, |
| 66 | {"rexxapi", 0, 0}, |
| 67 | {"sesmgr", 0, 0}, |
| 68 | {"pmshapi", 0, 1}, |
| 69 | {"pmwp", 0, 1}, |
| 70 | {"pmgpi", 0, 1}, |
| 71 | {NULL, 0}, |
| 72 | }; |
| 73 | |
| 74 | enum dll_handle_e { |
| 75 | dll_handle_doscalls, |
| 76 | dll_handle_tcp32dll, |
| 77 | dll_handle_pmwin, |
| 78 | dll_handle_rexx, |
| 79 | dll_handle_rexxapi, |
| 80 | dll_handle_sesmgr, |
| 81 | dll_handle_pmshapi, |
| 82 | dll_handle_pmwp, |
| 83 | dll_handle_pmgpi, |
| 84 | dll_handle_LAST, |
| 85 | }; |
| 86 | |
| 87 | #define doscalls_handle (dll_handles[dll_handle_doscalls]) |
| 88 | #define tcp_handle (dll_handles[dll_handle_tcp32dll]) |
| 89 | #define pmwin_handle (dll_handles[dll_handle_pmwin]) |
| 90 | #define rexx_handle (dll_handles[dll_handle_rexx]) |
| 91 | #define rexxapi_handle (dll_handles[dll_handle_rexxapi]) |
| 92 | #define sesmgr_handle (dll_handles[dll_handle_sesmgr]) |
| 93 | #define pmshapi_handle (dll_handles[dll_handle_pmshapi]) |
| 94 | #define pmwp_handle (dll_handles[dll_handle_pmwp]) |
| 95 | #define pmgpi_handle (dll_handles[dll_handle_pmgpi]) |
| 96 | |
| 97 | /* The following local-scope data is not yet included: |
| 98 | fargs.140 // const => OK |
| 99 | ino.165 // locked - and the access is almost cosmetic |
| 100 | layout_table.260 // startup only, locked |
| 101 | osv_res.257 // startup only, locked |
| 102 | old_esp.254 // startup only, locked |
| 103 | priors // const ==> OK |
| 104 | use_my_flock.283 // locked |
| 105 | emx_init_done.268 // locked |
| 106 | dll_handles // locked |
| 107 | hmtx_emx_init.267 // THIS is the lock for startup |
| 108 | perlos2_state_mutex // THIS is the lock for all the rest |
| 109 | BAD: |
| 110 | perlos2_state // see below |
| 111 | */ |
| 112 | /* The following global-scope data is not yet included: |
| 113 | OS2_Perl_data |
| 114 | pthreads_states // const now? |
| 115 | start_thread_mutex |
| 116 | thread_join_count // protected |
| 117 | thread_join_data // protected |
| 118 | tmppath |
| 119 | |
| 120 | pDosVerifyPidTid |
| 121 | |
| 122 | Perl_OS2_init3() - should it be protected? |
| 123 | */ |
| 124 | OS2_Perl_data_t OS2_Perl_data; |
| 125 | |
| 126 | static struct perlos2_state_t { |
| 127 | int po2__my_pwent; /* = -1; */ |
| 128 | int po2_DOS_harderr_state; /* = -1; */ |
| 129 | signed char po2_DOS_suppression_state; /* = -1; */ |
| 130 | |
| 131 | PFN po2_ExtFCN[ORD_NENTRIES]; /* Labeled by ord ORD_*. */ |
| 132 | /* struct PMWIN_entries_t po2_PMWIN_entries; */ |
| 133 | |
| 134 | int po2_emx_wasnt_initialized; |
| 135 | |
| 136 | char po2_fname[9]; |
| 137 | int po2_rmq_cnt; |
| 138 | |
| 139 | int po2_grent_cnt; |
| 140 | |
| 141 | char *po2_newp; |
| 142 | char *po2_oldp; |
| 143 | int po2_newl; |
| 144 | int po2_oldl; |
| 145 | int po2_notfound; |
| 146 | char po2_mangle_ret[STATIC_FILE_LENGTH+1]; |
| 147 | ULONG po2_os2_dll_fake; |
| 148 | ULONG po2_os2_mytype; |
| 149 | ULONG po2_os2_mytype_ini; |
| 150 | int po2_pidtid_lookup; |
| 151 | struct passwd po2_pw; |
| 152 | |
| 153 | int po2_pwent_cnt; |
| 154 | char po2_pthreads_state_buf[80]; |
| 155 | char po2_os2error_buf[300]; |
| 156 | /* There is no big sense to make it thread-specific, since signals |
| 157 | are delivered to thread 1 only. XXXX Maybe make it into an array? */ |
| 158 | int po2_spawn_pid; |
| 159 | int po2_spawn_killed; |
| 160 | |
| 161 | jmp_buf po2_at_exit_buf; |
| 162 | int po2_longjmp_at_exit; |
| 163 | int po2_emx_runtime_init; /* If 1, we need to manually init it */ |
| 164 | int po2_emx_exception_init; /* If 1, we need to manually set it */ |
| 165 | int po2_emx_runtime_secondary; |
| 166 | char* (*po2_perllib_mangle_installed)(char *s, unsigned int l); |
| 167 | char* po2_perl_sh_installed; |
| 168 | PGINFOSEG po2_gTable; |
| 169 | PLINFOSEG po2_lTable; |
| 170 | } perlos2_state = { |
| 171 | -1, /* po2__my_pwent */ |
| 172 | -1, /* po2_DOS_harderr_state */ |
| 173 | -1, /* po2_DOS_suppression_state */ |
| 174 | }; |
| 175 | |
| 176 | #define Perl_po2() (&perlos2_state) |
| 177 | |
| 178 | #define ExtFCN (Perl_po2()->po2_ExtFCN) |
| 179 | /* #define PMWIN_entries (Perl_po2()->po2_PMWIN_entries) */ |
| 180 | #define emx_wasnt_initialized (Perl_po2()->po2_emx_wasnt_initialized) |
| 181 | #define fname (Perl_po2()->po2_fname) |
| 182 | #define rmq_cnt (Perl_po2()->po2_rmq_cnt) |
| 183 | #define grent_cnt (Perl_po2()->po2_grent_cnt) |
| 184 | #define newp (Perl_po2()->po2_newp) |
| 185 | #define oldp (Perl_po2()->po2_oldp) |
| 186 | #define newl (Perl_po2()->po2_newl) |
| 187 | #define oldl (Perl_po2()->po2_oldl) |
| 188 | #define notfound (Perl_po2()->po2_notfound) |
| 189 | #define mangle_ret (Perl_po2()->po2_mangle_ret) |
| 190 | #define os2_dll_fake (Perl_po2()->po2_os2_dll_fake) |
| 191 | #define os2_mytype (Perl_po2()->po2_os2_mytype) |
| 192 | #define os2_mytype_ini (Perl_po2()->po2_os2_mytype_ini) |
| 193 | #define pidtid_lookup (Perl_po2()->po2_pidtid_lookup) |
| 194 | #define pw (Perl_po2()->po2_pw) |
| 195 | #define pwent_cnt (Perl_po2()->po2_pwent_cnt) |
| 196 | #define _my_pwent (Perl_po2()->po2__my_pwent) |
| 197 | #define pthreads_state_buf (Perl_po2()->po2_pthreads_state_buf) |
| 198 | #define os2error_buf (Perl_po2()->po2_os2error_buf) |
| 199 | /* There is no big sense to make it thread-specific, since signals |
| 200 | are delivered to thread 1 only. XXXX Maybe make it into an array? */ |
| 201 | #define spawn_pid (Perl_po2()->po2_spawn_pid) |
| 202 | #define spawn_killed (Perl_po2()->po2_spawn_killed) |
| 203 | #define DOS_harderr_state (Perl_po2()->po2_DOS_harderr_state) |
| 204 | #define DOS_suppression_state (Perl_po2()->po2_DOS_suppression_state) |
| 205 | |
| 206 | #define at_exit_buf (Perl_po2()->po2_at_exit_buf) |
| 207 | #define longjmp_at_exit (Perl_po2()->po2_longjmp_at_exit) |
| 208 | #define emx_runtime_init (Perl_po2()->po2_emx_runtime_init) |
| 209 | #define emx_exception_init (Perl_po2()->po2_emx_exception_init) |
| 210 | #define emx_runtime_secondary (Perl_po2()->po2_emx_runtime_secondary) |
| 211 | #define perllib_mangle_installed (Perl_po2()->po2_perllib_mangle_installed) |
| 212 | #define perl_sh_installed (Perl_po2()->po2_perl_sh_installed) |
| 213 | #define gTable (Perl_po2()->po2_gTable) |
| 214 | #define lTable (Perl_po2()->po2_lTable) |
| 215 | |
| 216 | const Perl_PFN * const pExtFCN = (Perl_po2()->po2_ExtFCN); |
| 217 | |
| 218 | #if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
| 219 | |
| 220 | typedef void (*emx_startroutine)(void *); |
| 221 | typedef void* (*pthreads_startroutine)(void *); |
| 222 | |
| 223 | enum pthreads_state { |
| 224 | pthreads_st_none = 0, |
| 225 | pthreads_st_run, |
| 226 | pthreads_st_exited, |
| 227 | pthreads_st_detached, |
| 228 | pthreads_st_waited, |
| 229 | pthreads_st_norun, |
| 230 | pthreads_st_exited_waited, |
| 231 | }; |
| 232 | const char * const pthreads_states[] = { |
| 233 | "uninit", |
| 234 | "running", |
| 235 | "exited", |
| 236 | "detached", |
| 237 | "waited for", |
| 238 | "could not start", |
| 239 | "exited, then waited on", |
| 240 | }; |
| 241 | |
| 242 | enum pthread_exists { pthread_not_existant = -0xff }; |
| 243 | |
| 244 | static const char* |
| 245 | pthreads_state_string(enum pthreads_state state) |
| 246 | { |
| 247 | if (state < 0 || state >= sizeof(pthreads_states)/sizeof(*pthreads_states)) { |
| 248 | snprintf(pthreads_state_buf, sizeof(pthreads_state_buf), |
| 249 | "unknown thread state %d", (int)state); |
| 250 | return pthreads_state_buf; |
| 251 | } |
| 252 | return pthreads_states[state]; |
| 253 | } |
| 254 | |
| 255 | typedef struct { |
| 256 | void *status; |
| 257 | perl_cond cond; |
| 258 | enum pthreads_state state; |
| 259 | } thread_join_t; |
| 260 | |
| 261 | thread_join_t *thread_join_data; |
| 262 | int thread_join_count; |
| 263 | perl_mutex start_thread_mutex; |
| 264 | static perl_mutex perlos2_state_mutex; |
| 265 | |
| 266 | |
| 267 | int |
| 268 | pthread_join(perl_os_thread tid, void **status) |
| 269 | { |
| 270 | MUTEX_LOCK(&start_thread_mutex); |
| 271 | if (tid < 1 || tid >= thread_join_count) { |
| 272 | MUTEX_UNLOCK(&start_thread_mutex); |
| 273 | if (tid != pthread_not_existant) |
| 274 | Perl_croak_nocontext("panic: join with a thread with strange ordinal %d", (int)tid); |
| 275 | Perl_warn_nocontext("panic: join with a thread which could not start"); |
| 276 | *status = 0; |
| 277 | return 0; |
| 278 | } |
| 279 | switch (thread_join_data[tid].state) { |
| 280 | case pthreads_st_exited: |
| 281 | thread_join_data[tid].state = pthreads_st_exited_waited; |
| 282 | *status = thread_join_data[tid].status; |
| 283 | MUTEX_UNLOCK(&start_thread_mutex); |
| 284 | COND_SIGNAL(&thread_join_data[tid].cond); |
| 285 | break; |
| 286 | case pthreads_st_waited: |
| 287 | MUTEX_UNLOCK(&start_thread_mutex); |
| 288 | Perl_croak_nocontext("join with a thread with a waiter"); |
| 289 | break; |
| 290 | case pthreads_st_norun: |
| 291 | { |
| 292 | int state = (int)thread_join_data[tid].status; |
| 293 | |
| 294 | thread_join_data[tid].state = pthreads_st_none; |
| 295 | MUTEX_UNLOCK(&start_thread_mutex); |
| 296 | Perl_croak_nocontext("panic: join with a thread which could not run" |
| 297 | " due to attempt of tid reuse (state='%s')", |
| 298 | pthreads_state_string(state)); |
| 299 | break; |
| 300 | } |
| 301 | case pthreads_st_run: |
| 302 | { |
| 303 | perl_cond cond; |
| 304 | |
| 305 | thread_join_data[tid].state = pthreads_st_waited; |
| 306 | thread_join_data[tid].status = (void *)status; |
| 307 | COND_INIT(&thread_join_data[tid].cond); |
| 308 | cond = thread_join_data[tid].cond; |
| 309 | COND_WAIT(&thread_join_data[tid].cond, &start_thread_mutex); |
| 310 | COND_DESTROY(&cond); |
| 311 | MUTEX_UNLOCK(&start_thread_mutex); |
| 312 | break; |
| 313 | } |
| 314 | default: |
| 315 | MUTEX_UNLOCK(&start_thread_mutex); |
| 316 | Perl_croak_nocontext("panic: join with thread in unknown thread state: '%s'", |
| 317 | pthreads_state_string(thread_join_data[tid].state)); |
| 318 | break; |
| 319 | } |
| 320 | return 0; |
| 321 | } |
| 322 | |
| 323 | typedef struct { |
| 324 | pthreads_startroutine sub; |
| 325 | void *arg; |
| 326 | void *ctx; |
| 327 | } pthr_startit; |
| 328 | |
| 329 | /* The lock is used: |
| 330 | a) Since we temporarily usurp the caller interp, so malloc() may |
| 331 | use it to decide on debugging the call; |
| 332 | b) Since *args is on the caller's stack. |
| 333 | */ |
| 334 | void |
| 335 | pthread_startit(void *arg1) |
| 336 | { |
| 337 | /* Thread is already started, we need to transfer control only */ |
| 338 | pthr_startit args = *(pthr_startit *)arg1; |
| 339 | int tid = pthread_self(); |
| 340 | void *rc; |
| 341 | int state; |
| 342 | |
| 343 | if (tid <= 1) { |
| 344 | /* Can't croak, the setjmp() is not in scope... */ |
| 345 | char buf[80]; |
| 346 | |
| 347 | snprintf(buf, sizeof(buf), |
| 348 | "panic: thread with strange ordinal %d created\n\r", tid); |
| 349 | write(2,buf,strlen(buf)); |
| 350 | MUTEX_UNLOCK(&start_thread_mutex); |
| 351 | return; |
| 352 | } |
| 353 | /* Until args.sub resets it, makes debugging Perl_malloc() work: */ |
| 354 | PERL_SET_CONTEXT(0); |
| 355 | if (tid >= thread_join_count) { |
| 356 | int oc = thread_join_count; |
| 357 | |
| 358 | thread_join_count = tid + 5 + tid/5; |
| 359 | if (thread_join_data) { |
| 360 | Renew(thread_join_data, thread_join_count, thread_join_t); |
| 361 | Zero(thread_join_data + oc, thread_join_count - oc, thread_join_t); |
| 362 | } else { |
| 363 | Newxz(thread_join_data, thread_join_count, thread_join_t); |
| 364 | } |
| 365 | } |
| 366 | if (thread_join_data[tid].state != pthreads_st_none) { |
| 367 | /* Can't croak, the setjmp() is not in scope... */ |
| 368 | char buf[80]; |
| 369 | |
| 370 | snprintf(buf, sizeof(buf), |
| 371 | "panic: attempt to reuse thread id %d (state='%s')\n\r", |
| 372 | tid, pthreads_state_string(thread_join_data[tid].state)); |
| 373 | write(2,buf,strlen(buf)); |
| 374 | thread_join_data[tid].status = (void*)thread_join_data[tid].state; |
| 375 | thread_join_data[tid].state = pthreads_st_norun; |
| 376 | MUTEX_UNLOCK(&start_thread_mutex); |
| 377 | return; |
| 378 | } |
| 379 | thread_join_data[tid].state = pthreads_st_run; |
| 380 | /* Now that we copied/updated the guys, we may release the caller... */ |
| 381 | MUTEX_UNLOCK(&start_thread_mutex); |
| 382 | rc = (*args.sub)(args.arg); |
| 383 | MUTEX_LOCK(&start_thread_mutex); |
| 384 | switch (thread_join_data[tid].state) { |
| 385 | case pthreads_st_waited: |
| 386 | COND_SIGNAL(&thread_join_data[tid].cond); |
| 387 | thread_join_data[tid].state = pthreads_st_none; |
| 388 | *((void**)thread_join_data[tid].status) = rc; |
| 389 | break; |
| 390 | case pthreads_st_detached: |
| 391 | thread_join_data[tid].state = pthreads_st_none; |
| 392 | break; |
| 393 | case pthreads_st_run: |
| 394 | /* Somebody can wait on us; cannot exit, since OS can reuse the tid |
| 395 | and our waiter will get somebody else's status. */ |
| 396 | thread_join_data[tid].state = pthreads_st_exited; |
| 397 | thread_join_data[tid].status = rc; |
| 398 | COND_INIT(&thread_join_data[tid].cond); |
| 399 | COND_WAIT(&thread_join_data[tid].cond, &start_thread_mutex); |
| 400 | COND_DESTROY(&thread_join_data[tid].cond); |
| 401 | thread_join_data[tid].state = pthreads_st_none; /* Ready to reuse */ |
| 402 | break; |
| 403 | default: |
| 404 | state = thread_join_data[tid].state; |
| 405 | MUTEX_UNLOCK(&start_thread_mutex); |
| 406 | Perl_croak_nocontext("panic: unexpected thread state on exit: '%s'", |
| 407 | pthreads_state_string(state)); |
| 408 | } |
| 409 | MUTEX_UNLOCK(&start_thread_mutex); |
| 410 | } |
| 411 | |
| 412 | int |
| 413 | pthread_create(perl_os_thread *tidp, const pthread_attr_t *attr, |
| 414 | void *(*start_routine)(void*), void *arg) |
| 415 | { |
| 416 | dTHX; |
| 417 | pthr_startit args; |
| 418 | |
| 419 | args.sub = (void*)start_routine; |
| 420 | args.arg = arg; |
| 421 | args.ctx = PERL_GET_CONTEXT; |
| 422 | |
| 423 | MUTEX_LOCK(&start_thread_mutex); |
| 424 | /* Test suite creates 31 extra threads; |
| 425 | on machine without shared-memory-hogs this stack sizeis OK with 31: */ |
| 426 | *tidp = _beginthread(pthread_startit, /*stack*/ NULL, |
| 427 | /*stacksize*/ 4*1024*1024, (void*)&args); |
| 428 | if (*tidp == -1) { |
| 429 | *tidp = pthread_not_existant; |
| 430 | MUTEX_UNLOCK(&start_thread_mutex); |
| 431 | return EINVAL; |
| 432 | } |
| 433 | MUTEX_LOCK(&start_thread_mutex); /* Wait for init to proceed */ |
| 434 | MUTEX_UNLOCK(&start_thread_mutex); |
| 435 | return 0; |
| 436 | } |
| 437 | |
| 438 | int |
| 439 | pthread_detach(perl_os_thread tid) |
| 440 | { |
| 441 | MUTEX_LOCK(&start_thread_mutex); |
| 442 | if (tid < 1 || tid >= thread_join_count) { |
| 443 | MUTEX_UNLOCK(&start_thread_mutex); |
| 444 | if (tid != pthread_not_existant) |
| 445 | Perl_croak_nocontext("panic: detach of a thread with strange ordinal %d", (int)tid); |
| 446 | Perl_warn_nocontext("detach of a thread which could not start"); |
| 447 | return 0; |
| 448 | } |
| 449 | switch (thread_join_data[tid].state) { |
| 450 | case pthreads_st_waited: |
| 451 | MUTEX_UNLOCK(&start_thread_mutex); |
| 452 | Perl_croak_nocontext("detach on a thread with a waiter"); |
| 453 | break; |
| 454 | case pthreads_st_run: |
| 455 | thread_join_data[tid].state = pthreads_st_detached; |
| 456 | MUTEX_UNLOCK(&start_thread_mutex); |
| 457 | break; |
| 458 | case pthreads_st_exited: |
| 459 | MUTEX_UNLOCK(&start_thread_mutex); |
| 460 | COND_SIGNAL(&thread_join_data[tid].cond); |
| 461 | break; |
| 462 | case pthreads_st_detached: |
| 463 | MUTEX_UNLOCK(&start_thread_mutex); |
| 464 | Perl_warn_nocontext("detach on an already detached thread"); |
| 465 | break; |
| 466 | case pthreads_st_norun: |
| 467 | { |
| 468 | int state = (int)thread_join_data[tid].status; |
| 469 | |
| 470 | thread_join_data[tid].state = pthreads_st_none; |
| 471 | MUTEX_UNLOCK(&start_thread_mutex); |
| 472 | Perl_croak_nocontext("panic: detaching thread which could not run" |
| 473 | " due to attempt of tid reuse (state='%s')", |
| 474 | pthreads_state_string(state)); |
| 475 | break; |
| 476 | } |
| 477 | default: |
| 478 | MUTEX_UNLOCK(&start_thread_mutex); |
| 479 | Perl_croak_nocontext("panic: detach of a thread with unknown thread state: '%s'", |
| 480 | pthreads_state_string(thread_join_data[tid].state)); |
| 481 | break; |
| 482 | } |
| 483 | return 0; |
| 484 | } |
| 485 | |
| 486 | /* This is a very bastardized version; may be OK due to edge trigger of Wait */ |
| 487 | int |
| 488 | os2_cond_wait(perl_cond *c, perl_mutex *m) |
| 489 | { |
| 490 | int rc; |
| 491 | STRLEN n_a; |
| 492 | if ((rc = DosResetEventSem(*c,&n_a)) && (rc != ERROR_ALREADY_RESET)) |
| 493 | Perl_rc = CheckOSError(rc), croak_with_os2error("panic: COND_WAIT-reset"); |
| 494 | if (m) MUTEX_UNLOCK(m); |
| 495 | if (CheckOSError(DosWaitEventSem(*c,SEM_INDEFINITE_WAIT)) |
| 496 | && (rc != ERROR_INTERRUPT)) |
| 497 | croak_with_os2error("panic: COND_WAIT"); |
| 498 | if (rc == ERROR_INTERRUPT) |
| 499 | errno = EINTR; |
| 500 | if (m) MUTEX_LOCK(m); |
| 501 | return 0; |
| 502 | } |
| 503 | #endif |
| 504 | |
| 505 | static int exe_is_aout(void); |
| 506 | |
| 507 | /* This should match enum entries_ordinals defined in os2ish.h. */ |
| 508 | static const struct { |
| 509 | struct dll_handle_t *dll; |
| 510 | const char *entryname; |
| 511 | int entrypoint; |
| 512 | } loadOrdinals[] = { |
| 513 | {&doscalls_handle, NULL, 874}, /* DosQueryExtLibpath */ |
| 514 | {&doscalls_handle, NULL, 873}, /* DosSetExtLibpath */ |
| 515 | {&doscalls_handle, NULL, 460}, /* DosVerifyPidTid */ |
| 516 | {&tcp_handle, "SETHOSTENT", 0}, |
| 517 | {&tcp_handle, "SETNETENT" , 0}, |
| 518 | {&tcp_handle, "SETPROTOENT", 0}, |
| 519 | {&tcp_handle, "SETSERVENT", 0}, |
| 520 | {&tcp_handle, "GETHOSTENT", 0}, |
| 521 | {&tcp_handle, "GETNETENT" , 0}, |
| 522 | {&tcp_handle, "GETPROTOENT", 0}, |
| 523 | {&tcp_handle, "GETSERVENT", 0}, |
| 524 | {&tcp_handle, "ENDHOSTENT", 0}, |
| 525 | {&tcp_handle, "ENDNETENT", 0}, |
| 526 | {&tcp_handle, "ENDPROTOENT", 0}, |
| 527 | {&tcp_handle, "ENDSERVENT", 0}, |
| 528 | {&pmwin_handle, NULL, 763}, /* WinInitialize */ |
| 529 | {&pmwin_handle, NULL, 716}, /* WinCreateMsgQueue */ |
| 530 | {&pmwin_handle, NULL, 726}, /* WinDestroyMsgQueue */ |
| 531 | {&pmwin_handle, NULL, 918}, /* WinPeekMsg */ |
| 532 | {&pmwin_handle, NULL, 915}, /* WinGetMsg */ |
| 533 | {&pmwin_handle, NULL, 912}, /* WinDispatchMsg */ |
| 534 | {&pmwin_handle, NULL, 753}, /* WinGetLastError */ |
| 535 | {&pmwin_handle, NULL, 705}, /* WinCancelShutdown */ |
| 536 | /* These are needed in extensions. |
| 537 | How to protect PMSHAPI: it comes through EMX functions? */ |
| 538 | {&rexx_handle, "RexxStart", 0}, |
| 539 | {&rexx_handle, "RexxVariablePool", 0}, |
| 540 | {&rexxapi_handle, "RexxRegisterFunctionExe", 0}, |
| 541 | {&rexxapi_handle, "RexxDeregisterFunction", 0}, |
| 542 | {&sesmgr_handle, "DOSSMSETTITLE", 0}, /* Would not work runtime-loaded */ |
| 543 | {&pmshapi_handle, "PRF32QUERYPROFILESIZE", 0}, |
| 544 | {&pmshapi_handle, "PRF32OPENPROFILE", 0}, |
| 545 | {&pmshapi_handle, "PRF32CLOSEPROFILE", 0}, |
| 546 | {&pmshapi_handle, "PRF32QUERYPROFILE", 0}, |
| 547 | {&pmshapi_handle, "PRF32RESET", 0}, |
| 548 | {&pmshapi_handle, "PRF32QUERYPROFILEDATA", 0}, |
| 549 | {&pmshapi_handle, "PRF32WRITEPROFILEDATA", 0}, |
| 550 | |
| 551 | /* At least some of these do not work by name, since they need |
| 552 | WIN32 instead of WIN... */ |
| 553 | #if 0 |
| 554 | These were generated with |
| 555 | nm I:\emx\lib\os2.a | fgrep -f API-list | grep = > API-list-entries |
| 556 | perl -wnle "next unless /^0+\s+E\s+_(\w+)=(\w+).(\d+)/; print qq( ORD_$1,)" API-list-entries > API-list-ORD_ |
| 557 | perl -wnle "next unless /^0+\s+E\s+_(\w+)=(\w+).(\d+)/; print qq( {${2}_handle, NULL, $3},\t\t/* $1 */)" WinSwitch-API-list-entries >API-list-entry |
| 558 | #endif |
| 559 | {&pmshapi_handle, NULL, 123}, /* WinChangeSwitchEntry */ |
| 560 | {&pmshapi_handle, NULL, 124}, /* WinQuerySwitchEntry */ |
| 561 | {&pmshapi_handle, NULL, 125}, /* WinQuerySwitchHandle */ |
| 562 | {&pmshapi_handle, NULL, 126}, /* WinQuerySwitchList */ |
| 563 | {&pmshapi_handle, NULL, 131}, /* WinSwitchToProgram */ |
| 564 | {&pmwin_handle, NULL, 702}, /* WinBeginEnumWindows */ |
| 565 | {&pmwin_handle, NULL, 737}, /* WinEndEnumWindows */ |
| 566 | {&pmwin_handle, NULL, 740}, /* WinEnumDlgItem */ |
| 567 | {&pmwin_handle, NULL, 756}, /* WinGetNextWindow */ |
| 568 | {&pmwin_handle, NULL, 768}, /* WinIsChild */ |
| 569 | {&pmwin_handle, NULL, 799}, /* WinQueryActiveWindow */ |
| 570 | {&pmwin_handle, NULL, 805}, /* WinQueryClassName */ |
| 571 | {&pmwin_handle, NULL, 817}, /* WinQueryFocus */ |
| 572 | {&pmwin_handle, NULL, 834}, /* WinQueryWindow */ |
| 573 | {&pmwin_handle, NULL, 837}, /* WinQueryWindowPos */ |
| 574 | {&pmwin_handle, NULL, 838}, /* WinQueryWindowProcess */ |
| 575 | {&pmwin_handle, NULL, 841}, /* WinQueryWindowText */ |
| 576 | {&pmwin_handle, NULL, 842}, /* WinQueryWindowTextLength */ |
| 577 | {&pmwin_handle, NULL, 860}, /* WinSetFocus */ |
| 578 | {&pmwin_handle, NULL, 875}, /* WinSetWindowPos */ |
| 579 | {&pmwin_handle, NULL, 877}, /* WinSetWindowText */ |
| 580 | {&pmwin_handle, NULL, 883}, /* WinShowWindow */ |
| 581 | {&pmwin_handle, NULL, 772}, /* WinIsWindow */ |
| 582 | {&pmwin_handle, NULL, 899}, /* WinWindowFromId */ |
| 583 | {&pmwin_handle, NULL, 900}, /* WinWindowFromPoint */ |
| 584 | {&pmwin_handle, NULL, 919}, /* WinPostMsg */ |
| 585 | {&pmwin_handle, NULL, 735}, /* WinEnableWindow */ |
| 586 | {&pmwin_handle, NULL, 736}, /* WinEnableWindowUpdate */ |
| 587 | {&pmwin_handle, NULL, 773}, /* WinIsWindowEnabled */ |
| 588 | {&pmwin_handle, NULL, 774}, /* WinIsWindowShowing */ |
| 589 | {&pmwin_handle, NULL, 775}, /* WinIsWindowVisible */ |
| 590 | {&pmwin_handle, NULL, 839}, /* WinQueryWindowPtr */ |
| 591 | {&pmwin_handle, NULL, 843}, /* WinQueryWindowULong */ |
| 592 | {&pmwin_handle, NULL, 844}, /* WinQueryWindowUShort */ |
| 593 | {&pmwin_handle, NULL, 874}, /* WinSetWindowBits */ |
| 594 | {&pmwin_handle, NULL, 876}, /* WinSetWindowPtr */ |
| 595 | {&pmwin_handle, NULL, 878}, /* WinSetWindowULong */ |
| 596 | {&pmwin_handle, NULL, 879}, /* WinSetWindowUShort */ |
| 597 | {&pmwin_handle, NULL, 813}, /* WinQueryDesktopWindow */ |
| 598 | {&pmwin_handle, NULL, 851}, /* WinSetActiveWindow */ |
| 599 | {&doscalls_handle, NULL, 360}, /* DosQueryModFromEIP */ |
| 600 | {&doscalls_handle, NULL, 582}, /* Dos32QueryHeaderInfo */ |
| 601 | {&doscalls_handle, NULL, 362}, /* DosTmrQueryFreq */ |
| 602 | {&doscalls_handle, NULL, 363}, /* DosTmrQueryTime */ |
| 603 | {&pmwp_handle, NULL, 262}, /* WinQueryActiveDesktopPathname */ |
| 604 | {&pmwin_handle, NULL, 765}, /* WinInvalidateRect */ |
| 605 | {&pmwin_handle, NULL, 906}, /* WinCreateFrameControl */ |
| 606 | {&pmwin_handle, NULL, 807}, /* WinQueryClipbrdFmtInfo */ |
| 607 | {&pmwin_handle, NULL, 808}, /* WinQueryClipbrdOwner */ |
| 608 | {&pmwin_handle, NULL, 809}, /* WinQueryClipbrdViewer */ |
| 609 | {&pmwin_handle, NULL, 806}, /* WinQueryClipbrdData */ |
| 610 | {&pmwin_handle, NULL, 793}, /* WinOpenClipbrd */ |
| 611 | {&pmwin_handle, NULL, 707}, /* WinCloseClipbrd */ |
| 612 | {&pmwin_handle, NULL, 854}, /* WinSetClipbrdData */ |
| 613 | {&pmwin_handle, NULL, 855}, /* WinSetClipbrdOwner */ |
| 614 | {&pmwin_handle, NULL, 856}, /* WinSetClipbrdViewer */ |
| 615 | {&pmwin_handle, NULL, 739}, /* WinEnumClipbrdFmts */ |
| 616 | {&pmwin_handle, NULL, 733}, /* WinEmptyClipbrd */ |
| 617 | {&pmwin_handle, NULL, 700}, /* WinAddAtom */ |
| 618 | {&pmwin_handle, NULL, 744}, /* WinFindAtom */ |
| 619 | {&pmwin_handle, NULL, 721}, /* WinDeleteAtom */ |
| 620 | {&pmwin_handle, NULL, 803}, /* WinQueryAtomUsage */ |
| 621 | {&pmwin_handle, NULL, 802}, /* WinQueryAtomName */ |
| 622 | {&pmwin_handle, NULL, 801}, /* WinQueryAtomLength */ |
| 623 | {&pmwin_handle, NULL, 830}, /* WinQuerySystemAtomTable */ |
| 624 | {&pmwin_handle, NULL, 714}, /* WinCreateAtomTable */ |
| 625 | {&pmwin_handle, NULL, 724}, /* WinDestroyAtomTable */ |
| 626 | {&pmwin_handle, NULL, 794}, /* WinOpenWindowDC */ |
| 627 | {&pmgpi_handle, NULL, 610}, /* DevOpenDC */ |
| 628 | {&pmgpi_handle, NULL, 606}, /* DevQueryCaps */ |
| 629 | {&pmgpi_handle, NULL, 604}, /* DevCloseDC */ |
| 630 | {&pmwin_handle, NULL, 789}, /* WinMessageBox */ |
| 631 | {&pmwin_handle, NULL, 1015}, /* WinMessageBox2 */ |
| 632 | {&pmwin_handle, NULL, 829}, /* WinQuerySysValue */ |
| 633 | {&pmwin_handle, NULL, 873}, /* WinSetSysValue */ |
| 634 | {&pmwin_handle, NULL, 701}, /* WinAlarm */ |
| 635 | {&pmwin_handle, NULL, 745}, /* WinFlashWindow */ |
| 636 | {&pmwin_handle, NULL, 780}, /* WinLoadPointer */ |
| 637 | {&pmwin_handle, NULL, 828}, /* WinQuerySysPointer */ |
| 638 | {&doscalls_handle, NULL, 417}, /* DosReplaceModule */ |
| 639 | {&doscalls_handle, NULL, 976}, /* DosPerfSysCall */ |
| 640 | {&rexxapi_handle, "RexxRegisterSubcomExe", 0}, |
| 641 | }; |
| 642 | |
| 643 | HMODULE |
| 644 | loadModule(const char *modname, int fail) |
| 645 | { |
| 646 | HMODULE h = (HMODULE)dlopen(modname, 0); |
| 647 | |
| 648 | if (!h && fail) |
| 649 | Perl_croak_nocontext("Error loading module '%s': %s", |
| 650 | modname, dlerror()); |
| 651 | return h; |
| 652 | } |
| 653 | |
| 654 | /* const char* const ptypes[] = { "FS", "DOS", "VIO", "PM", "DETACH" }; */ |
| 655 | |
| 656 | static int |
| 657 | my_type() |
| 658 | { |
| 659 | int rc; |
| 660 | TIB *tib; |
| 661 | PIB *pib; |
| 662 | |
| 663 | if (!(_emx_env & 0x200)) return 1; /* not OS/2. */ |
| 664 | if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) |
| 665 | return -1; |
| 666 | |
| 667 | return (pib->pib_ultype); |
| 668 | } |
| 669 | |
| 670 | static void |
| 671 | my_type_set(int type) |
| 672 | { |
| 673 | int rc; |
| 674 | TIB *tib; |
| 675 | PIB *pib; |
| 676 | |
| 677 | if (!(_emx_env & 0x200)) |
| 678 | Perl_croak_nocontext("Can't set type on DOS"); /* not OS/2. */ |
| 679 | if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) |
| 680 | croak_with_os2error("Error getting info blocks"); |
| 681 | pib->pib_ultype = type; |
| 682 | } |
| 683 | |
| 684 | PFN |
| 685 | loadByOrdinal(enum entries_ordinals ord, int fail) |
| 686 | { |
| 687 | if (sizeof(loadOrdinals)/sizeof(loadOrdinals[0]) != ORD_NENTRIES) |
| 688 | Perl_croak_nocontext( |
| 689 | "Wrong size of loadOrdinals array: expected %d, actual %d", |
| 690 | sizeof(loadOrdinals)/sizeof(loadOrdinals[0]), ORD_NENTRIES); |
| 691 | if (ExtFCN[ord] == NULL) { |
| 692 | PFN fcn = (PFN)-1; |
| 693 | APIRET rc; |
| 694 | |
| 695 | if (!loadOrdinals[ord].dll->handle) { |
| 696 | if (loadOrdinals[ord].dll->requires_pm && my_type() < 2) { /* FS */ |
| 697 | char *s = getenv("PERL_ASIF_PM"); |
| 698 | |
| 699 | if (!s || !atoi(s)) { |
| 700 | /* The module will not function well without PM. |
| 701 | The usual way to detect PM is the existence of the mutex |
| 702 | \SEM32\PMDRAG.SEM. */ |
| 703 | HMTX hMtx = 0; |
| 704 | |
| 705 | if (CheckOSError(DosOpenMutexSem("\\SEM32\\PMDRAG.SEM", |
| 706 | &hMtx))) |
| 707 | Perl_croak_nocontext("Looks like we have no PM; will not load DLL %s without $ENV{PERL_ASIF_PM}", |
| 708 | loadOrdinals[ord].dll->modname); |
| 709 | DosCloseMutexSem(hMtx); |
| 710 | } |
| 711 | } |
| 712 | MUTEX_LOCK(&perlos2_state_mutex); |
| 713 | loadOrdinals[ord].dll->handle |
| 714 | = loadModule(loadOrdinals[ord].dll->modname, fail); |
| 715 | MUTEX_UNLOCK(&perlos2_state_mutex); |
| 716 | } |
| 717 | if (!loadOrdinals[ord].dll->handle) |
| 718 | return 0; /* Possible with FAIL==0 only */ |
| 719 | if (CheckOSError(DosQueryProcAddr(loadOrdinals[ord].dll->handle, |
| 720 | loadOrdinals[ord].entrypoint, |
| 721 | loadOrdinals[ord].entryname,&fcn))) { |
| 722 | char buf[20], *s = (char*)loadOrdinals[ord].entryname; |
| 723 | |
| 724 | if (!fail) |
| 725 | return 0; |
| 726 | if (!s) |
| 727 | sprintf(s = buf, "%d", loadOrdinals[ord].entrypoint); |
| 728 | Perl_croak_nocontext( |
| 729 | "This version of OS/2 does not support %s.%s", |
| 730 | loadOrdinals[ord].dll->modname, s); |
| 731 | } |
| 732 | ExtFCN[ord] = fcn; |
| 733 | } |
| 734 | if ((long)ExtFCN[ord] == -1) |
| 735 | Perl_croak_nocontext("panic queryaddr"); |
| 736 | return ExtFCN[ord]; |
| 737 | } |
| 738 | |
| 739 | void |
| 740 | init_PMWIN_entries(void) |
| 741 | { |
| 742 | int i; |
| 743 | |
| 744 | for (i = ORD_WinInitialize; i <= ORD_WinCancelShutdown; i++) |
| 745 | ((PFN*)&PMWIN_entries)[i - ORD_WinInitialize] = loadByOrdinal(i, 1); |
| 746 | } |
| 747 | |
| 748 | /*****************************************************/ |
| 749 | /* socket forwarders without linking with tcpip DLLs */ |
| 750 | |
| 751 | DeclFuncByORD(struct hostent *, gethostent, ORD_GETHOSTENT, (void), ()) |
| 752 | DeclFuncByORD(struct netent *, getnetent, ORD_GETNETENT, (void), ()) |
| 753 | DeclFuncByORD(struct protoent *, getprotoent, ORD_GETPROTOENT, (void), ()) |
| 754 | DeclFuncByORD(struct servent *, getservent, ORD_GETSERVENT, (void), ()) |
| 755 | |
| 756 | DeclVoidFuncByORD(sethostent, ORD_SETHOSTENT, (int x), (x)) |
| 757 | DeclVoidFuncByORD(setnetent, ORD_SETNETENT, (int x), (x)) |
| 758 | DeclVoidFuncByORD(setprotoent, ORD_SETPROTOENT, (int x), (x)) |
| 759 | DeclVoidFuncByORD(setservent, ORD_SETSERVENT, (int x), (x)) |
| 760 | |
| 761 | DeclVoidFuncByORD(endhostent, ORD_ENDHOSTENT, (void), ()) |
| 762 | DeclVoidFuncByORD(endnetent, ORD_ENDNETENT, (void), ()) |
| 763 | DeclVoidFuncByORD(endprotoent, ORD_ENDPROTOENT, (void), ()) |
| 764 | DeclVoidFuncByORD(endservent, ORD_ENDSERVENT, (void), ()) |
| 765 | |
| 766 | /* priorities */ |
| 767 | static const signed char priors[] = {0, 1, 3, 2}; /* Last two interchanged, |
| 768 | self inverse. */ |
| 769 | #define QSS_INI_BUFFER 1024 |
| 770 | |
| 771 | ULONG (*pDosVerifyPidTid) (PID pid, TID tid); |
| 772 | |
| 773 | PQTOPLEVEL |
| 774 | get_sysinfo(ULONG pid, ULONG flags) |
| 775 | { |
| 776 | char *pbuffer; |
| 777 | ULONG rc, buf_len = QSS_INI_BUFFER; |
| 778 | PQTOPLEVEL psi; |
| 779 | |
| 780 | if (pid) { |
| 781 | if (!pidtid_lookup) { |
| 782 | pidtid_lookup = 1; |
| 783 | *(PFN*)&pDosVerifyPidTid = loadByOrdinal(ORD_DosVerifyPidTid, 0); |
| 784 | } |
| 785 | if (pDosVerifyPidTid) { /* Warp3 or later */ |
| 786 | /* Up to some fixpak QuerySysState() kills the system if a non-existent |
| 787 | pid is used. */ |
| 788 | if (CheckOSError(pDosVerifyPidTid(pid, 1))) |
| 789 | return 0; |
| 790 | } |
| 791 | } |
| 792 | Newx(pbuffer, buf_len, char); |
| 793 | /* QSS_PROCESS | QSS_MODULE | QSS_SEMAPHORES | QSS_SHARED */ |
| 794 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
| 795 | while (rc == ERROR_BUFFER_OVERFLOW) { |
| 796 | Renew(pbuffer, buf_len *= 2, char); |
| 797 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
| 798 | } |
| 799 | if (rc) { |
| 800 | FillOSError(rc); |
| 801 | Safefree(pbuffer); |
| 802 | return 0; |
| 803 | } |
| 804 | psi = (PQTOPLEVEL)pbuffer; |
| 805 | if (psi && pid && psi->procdata && pid != psi->procdata->pid) { |
| 806 | Safefree(psi); |
| 807 | Perl_croak_nocontext("panic: wrong pid in sysinfo"); |
| 808 | } |
| 809 | return psi; |
| 810 | } |
| 811 | |
| 812 | #define PRIO_ERR 0x1111 |
| 813 | |
| 814 | static ULONG |
| 815 | sys_prio(pid) |
| 816 | { |
| 817 | ULONG prio; |
| 818 | PQTOPLEVEL psi; |
| 819 | |
| 820 | if (!pid) |
| 821 | return PRIO_ERR; |
| 822 | psi = get_sysinfo(pid, QSS_PROCESS); |
| 823 | if (!psi) |
| 824 | return PRIO_ERR; |
| 825 | prio = psi->procdata->threads->priority; |
| 826 | Safefree(psi); |
| 827 | return prio; |
| 828 | } |
| 829 | |
| 830 | int |
| 831 | setpriority(int which, int pid, int val) |
| 832 | { |
| 833 | ULONG rc, prio = sys_prio(pid); |
| 834 | |
| 835 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
| 836 | if (priors[(32 - val) >> 5] + 1 == (prio >> 8)) { |
| 837 | /* Do not change class. */ |
| 838 | return CheckOSError(DosSetPriority((pid < 0) |
| 839 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
| 840 | 0, |
| 841 | (32 - val) % 32 - (prio & 0xFF), |
| 842 | abs(pid))) |
| 843 | ? -1 : 0; |
| 844 | } else /* if ((32 - val) % 32 == (prio & 0xFF)) */ { |
| 845 | /* Documentation claims one can change both class and basevalue, |
| 846 | * but I find it wrong. */ |
| 847 | /* Change class, but since delta == 0 denotes absolute 0, correct. */ |
| 848 | if (CheckOSError(DosSetPriority((pid < 0) |
| 849 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
| 850 | priors[(32 - val) >> 5] + 1, |
| 851 | 0, |
| 852 | abs(pid)))) |
| 853 | return -1; |
| 854 | if ( ((32 - val) % 32) == 0 ) return 0; |
| 855 | return CheckOSError(DosSetPriority((pid < 0) |
| 856 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
| 857 | 0, |
| 858 | (32 - val) % 32, |
| 859 | abs(pid))) |
| 860 | ? -1 : 0; |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | int |
| 865 | getpriority(int which /* ignored */, int pid) |
| 866 | { |
| 867 | ULONG ret; |
| 868 | |
| 869 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
| 870 | ret = sys_prio(pid); |
| 871 | if (ret == PRIO_ERR) { |
| 872 | return -1; |
| 873 | } |
| 874 | return (1 - priors[((ret >> 8) - 1)])*32 - (ret & 0xFF); |
| 875 | } |
| 876 | |
| 877 | /*****************************************************************************/ |
| 878 | /* spawn */ |
| 879 | |
| 880 | |
| 881 | |
| 882 | static Signal_t |
| 883 | spawn_sighandler(int sig) |
| 884 | { |
| 885 | /* Some programs do not arrange for the keyboard signals to be |
| 886 | delivered to them. We need to deliver the signal manually. */ |
| 887 | /* We may get a signal only if |
| 888 | a) kid does not receive keyboard signal: deliver it; |
| 889 | b) kid already died, and we get a signal. We may only hope |
| 890 | that the pid number was not reused. |
| 891 | */ |
| 892 | |
| 893 | if (spawn_killed) |
| 894 | sig = SIGKILL; /* Try harder. */ |
| 895 | kill(spawn_pid, sig); |
| 896 | spawn_killed = 1; |
| 897 | } |
| 898 | |
| 899 | static int |
| 900 | result(pTHX_ int flag, int pid) |
| 901 | { |
| 902 | int r, status; |
| 903 | Signal_t (*ihand)(); /* place to save signal during system() */ |
| 904 | Signal_t (*qhand)(); /* place to save signal during system() */ |
| 905 | #ifndef __EMX__ |
| 906 | RESULTCODES res; |
| 907 | int rpid; |
| 908 | #endif |
| 909 | |
| 910 | if (pid < 0 || flag != 0) |
| 911 | return pid; |
| 912 | |
| 913 | #ifdef __EMX__ |
| 914 | spawn_pid = pid; |
| 915 | spawn_killed = 0; |
| 916 | ihand = rsignal(SIGINT, &spawn_sighandler); |
| 917 | qhand = rsignal(SIGQUIT, &spawn_sighandler); |
| 918 | do { |
| 919 | r = wait4pid(pid, &status, 0); |
| 920 | } while (r == -1 && errno == EINTR); |
| 921 | rsignal(SIGINT, ihand); |
| 922 | rsignal(SIGQUIT, qhand); |
| 923 | |
| 924 | PL_statusvalue = (U16)status; |
| 925 | if (r < 0) |
| 926 | return -1; |
| 927 | return status & 0xFFFF; |
| 928 | #else |
| 929 | ihand = rsignal(SIGINT, SIG_IGN); |
| 930 | r = DosWaitChild(DCWA_PROCESS, DCWW_WAIT, &res, &rpid, pid); |
| 931 | rsignal(SIGINT, ihand); |
| 932 | PL_statusvalue = res.codeResult << 8 | res.codeTerminate; |
| 933 | if (r) |
| 934 | return -1; |
| 935 | return PL_statusvalue; |
| 936 | #endif |
| 937 | } |
| 938 | |
| 939 | enum execf_t { |
| 940 | EXECF_SPAWN, |
| 941 | EXECF_EXEC, |
| 942 | EXECF_TRUEEXEC, |
| 943 | EXECF_SPAWN_NOWAIT, |
| 944 | EXECF_SPAWN_BYFLAG, |
| 945 | EXECF_SYNC |
| 946 | }; |
| 947 | |
| 948 | static ULONG |
| 949 | file_type(char *path) |
| 950 | { |
| 951 | int rc; |
| 952 | ULONG apptype; |
| 953 | |
| 954 | if (!(_emx_env & 0x200)) |
| 955 | Perl_croak_nocontext("file_type not implemented on DOS"); /* not OS/2. */ |
| 956 | if (CheckOSError(DosQueryAppType(path, &apptype))) { |
| 957 | switch (rc) { |
| 958 | case ERROR_FILE_NOT_FOUND: |
| 959 | case ERROR_PATH_NOT_FOUND: |
| 960 | return -1; |
| 961 | case ERROR_ACCESS_DENIED: /* Directory with this name found? */ |
| 962 | return -3; |
| 963 | default: /* Found, but not an |
| 964 | executable, or some other |
| 965 | read error. */ |
| 966 | return -2; |
| 967 | } |
| 968 | } |
| 969 | return apptype; |
| 970 | } |
| 971 | |
| 972 | /* Spawn/exec a program, revert to shell if needed. */ |
| 973 | /* global PL_Argv[] contains arguments. */ |
| 974 | |
| 975 | extern ULONG _emx_exception ( EXCEPTIONREPORTRECORD *, |
| 976 | EXCEPTIONREGISTRATIONRECORD *, |
| 977 | CONTEXTRECORD *, |
| 978 | void *); |
| 979 | |
| 980 | int |
| 981 | do_spawn_ve(pTHX_ SV *really, U32 flag, U32 execf, char *inicmd, U32 addflag) |
| 982 | { |
| 983 | int trueflag = flag; |
| 984 | int rc, pass = 1; |
| 985 | char *real_name = NULL; /* Shut down the warning */ |
| 986 | char const * args[4]; |
| 987 | static const char * const fargs[4] |
| 988 | = { "/bin/sh", "-c", "\"$@\"", "spawn-via-shell", }; |
| 989 | const char * const *argsp = fargs; |
| 990 | int nargs = 4; |
| 991 | int force_shell; |
| 992 | int new_stderr = -1, nostderr = 0; |
| 993 | int fl_stderr = 0; |
| 994 | STRLEN n_a; |
| 995 | char *buf; |
| 996 | PerlIO *file; |
| 997 | |
| 998 | if (flag == P_WAIT) |
| 999 | flag = P_NOWAIT; |
| 1000 | if (really && !*(real_name = SvPV(really, n_a))) |
| 1001 | really = NULL; |
| 1002 | |
| 1003 | retry: |
| 1004 | if (strEQ(PL_Argv[0],"/bin/sh")) |
| 1005 | PL_Argv[0] = PL_sh_path; |
| 1006 | |
| 1007 | /* We should check PERL_SH* and PERLLIB_* as well? */ |
| 1008 | if (!really || pass >= 2) |
| 1009 | real_name = PL_Argv[0]; |
| 1010 | if (real_name[0] != '/' && real_name[0] != '\\' |
| 1011 | && !(real_name[0] && real_name[1] == ':' |
| 1012 | && (real_name[2] == '/' || real_name[2] != '\\')) |
| 1013 | ) /* will spawnvp use PATH? */ |
| 1014 | TAINT_ENV(); /* testing IFS here is overkill, probably */ |
| 1015 | |
| 1016 | reread: |
| 1017 | force_shell = 0; |
| 1018 | if (_emx_env & 0x200) { /* OS/2. */ |
| 1019 | int type = file_type(real_name); |
| 1020 | type_again: |
| 1021 | if (type == -1) { /* Not found */ |
| 1022 | errno = ENOENT; |
| 1023 | rc = -1; |
| 1024 | goto do_script; |
| 1025 | } |
| 1026 | else if (type == -2) { /* Not an EXE */ |
| 1027 | errno = ENOEXEC; |
| 1028 | rc = -1; |
| 1029 | goto do_script; |
| 1030 | } |
| 1031 | else if (type == -3) { /* Is a directory? */ |
| 1032 | /* Special-case this */ |
| 1033 | char tbuf[512]; |
| 1034 | int l = strlen(real_name); |
| 1035 | |
| 1036 | if (l + 5 <= sizeof tbuf) { |
| 1037 | strcpy(tbuf, real_name); |
| 1038 | strcpy(tbuf + l, ".exe"); |
| 1039 | type = file_type(tbuf); |
| 1040 | if (type >= -3) |
| 1041 | goto type_again; |
| 1042 | } |
| 1043 | |
| 1044 | errno = ENOEXEC; |
| 1045 | rc = -1; |
| 1046 | goto do_script; |
| 1047 | } |
| 1048 | switch (type & 7) { |
| 1049 | /* Ignore WINDOWCOMPAT and FAPI, start them the same type we are. */ |
| 1050 | case FAPPTYP_WINDOWAPI: |
| 1051 | { /* Apparently, kids are started basing on startup type, not the morphed type */ |
| 1052 | if (os2_mytype != 3) { /* not PM */ |
| 1053 | if (flag == P_NOWAIT) |
| 1054 | flag = P_PM; |
| 1055 | else if ((flag & 7) != P_PM && (flag & 7) != P_SESSION && ckWARN(WARN_EXEC)) |
| 1056 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Starting PM process with flag=%d, mytype=%d", |
| 1057 | flag, os2_mytype); |
| 1058 | } |
| 1059 | } |
| 1060 | break; |
| 1061 | case FAPPTYP_NOTWINDOWCOMPAT: |
| 1062 | { |
| 1063 | if (os2_mytype != 0) { /* not full screen */ |
| 1064 | if (flag == P_NOWAIT) |
| 1065 | flag = P_SESSION; |
| 1066 | else if ((flag & 7) != P_SESSION && ckWARN(WARN_EXEC)) |
| 1067 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Starting Full Screen process with flag=%d, mytype=%d", |
| 1068 | flag, os2_mytype); |
| 1069 | } |
| 1070 | } |
| 1071 | break; |
| 1072 | case FAPPTYP_NOTSPEC: |
| 1073 | /* Let the shell handle this... */ |
| 1074 | force_shell = 1; |
| 1075 | buf = ""; /* Pacify a warning */ |
| 1076 | file = 0; /* Pacify a warning */ |
| 1077 | goto doshell_args; |
| 1078 | break; |
| 1079 | } |
| 1080 | } |
| 1081 | |
| 1082 | if (addflag) { |
| 1083 | addflag = 0; |
| 1084 | new_stderr = dup(2); /* Preserve stderr */ |
| 1085 | if (new_stderr == -1) { |
| 1086 | if (errno == EBADF) |
| 1087 | nostderr = 1; |
| 1088 | else { |
| 1089 | rc = -1; |
| 1090 | goto finish; |
| 1091 | } |
| 1092 | } else |
| 1093 | fl_stderr = fcntl(2, F_GETFD); |
| 1094 | rc = dup2(1,2); |
| 1095 | if (rc == -1) |
| 1096 | goto finish; |
| 1097 | fcntl(new_stderr, F_SETFD, FD_CLOEXEC); |
| 1098 | } |
| 1099 | |
| 1100 | #if 0 |
| 1101 | rc = result(aTHX_ trueflag, spawnvp(flag,real_name,PL_Argv)); |
| 1102 | #else |
| 1103 | if (execf == EXECF_TRUEEXEC) |
| 1104 | rc = execvp(real_name,PL_Argv); |
| 1105 | else if (execf == EXECF_EXEC) |
| 1106 | rc = spawnvp(trueflag | P_OVERLAY,real_name,PL_Argv); |
| 1107 | else if (execf == EXECF_SPAWN_NOWAIT) |
| 1108 | rc = spawnvp(flag,real_name,PL_Argv); |
| 1109 | else if (execf == EXECF_SYNC) |
| 1110 | rc = spawnvp(trueflag,real_name,PL_Argv); |
| 1111 | else /* EXECF_SPAWN, EXECF_SPAWN_BYFLAG */ |
| 1112 | rc = result(aTHX_ trueflag, |
| 1113 | spawnvp(flag,real_name,PL_Argv)); |
| 1114 | #endif |
| 1115 | if (rc < 0 && pass == 1) { |
| 1116 | do_script: |
| 1117 | if (real_name == PL_Argv[0]) { |
| 1118 | int err = errno; |
| 1119 | |
| 1120 | if (err == ENOENT || err == ENOEXEC) { |
| 1121 | /* No such file, or is a script. */ |
| 1122 | /* Try adding script extensions to the file name, and |
| 1123 | search on PATH. */ |
| 1124 | char *scr = find_script(PL_Argv[0], TRUE, NULL, 0); |
| 1125 | |
| 1126 | if (scr) { |
| 1127 | char *s = 0, *s1; |
| 1128 | SV *scrsv = sv_2mortal(newSVpv(scr, 0)); |
| 1129 | SV *bufsv = sv_newmortal(); |
| 1130 | |
| 1131 | Safefree(scr); |
| 1132 | scr = SvPV(scrsv, n_a); /* free()ed later */ |
| 1133 | |
| 1134 | file = PerlIO_open(scr, "r"); |
| 1135 | PL_Argv[0] = scr; |
| 1136 | if (!file) |
| 1137 | goto panic_file; |
| 1138 | |
| 1139 | buf = sv_gets(bufsv, file, 0 /* No append */); |
| 1140 | if (!buf) |
| 1141 | buf = ""; /* XXX Needed? */ |
| 1142 | if (!buf[0]) { /* Empty... */ |
| 1143 | PerlIO_close(file); |
| 1144 | /* Special case: maybe from -Zexe build, so |
| 1145 | there is an executable around (contrary to |
| 1146 | documentation, DosQueryAppType sometimes (?) |
| 1147 | does not append ".exe", so we could have |
| 1148 | reached this place). */ |
| 1149 | sv_catpv(scrsv, ".exe"); |
| 1150 | PL_Argv[0] = scr = SvPV(scrsv, n_a); /* Reload */ |
| 1151 | if (PerlLIO_stat(scr,&PL_statbuf) >= 0 |
| 1152 | && !S_ISDIR(PL_statbuf.st_mode)) { /* Found */ |
| 1153 | real_name = scr; |
| 1154 | pass++; |
| 1155 | goto reread; |
| 1156 | } else { /* Restore */ |
| 1157 | SvCUR_set(scrsv, SvCUR(scrsv) - 4); |
| 1158 | *SvEND(scrsv) = 0; |
| 1159 | } |
| 1160 | } |
| 1161 | if (PerlIO_close(file) != 0) { /* Failure */ |
| 1162 | panic_file: |
| 1163 | if (ckWARN(WARN_EXEC)) |
| 1164 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Error reading \"%s\": %s", |
| 1165 | scr, Strerror(errno)); |
| 1166 | buf = ""; /* Not #! */ |
| 1167 | goto doshell_args; |
| 1168 | } |
| 1169 | if (buf[0] == '#') { |
| 1170 | if (buf[1] == '!') |
| 1171 | s = buf + 2; |
| 1172 | } else if (buf[0] == 'e') { |
| 1173 | if (strnEQ(buf, "extproc", 7) |
| 1174 | && isSPACE(buf[7])) |
| 1175 | s = buf + 8; |
| 1176 | } else if (buf[0] == 'E') { |
| 1177 | if (strnEQ(buf, "EXTPROC", 7) |
| 1178 | && isSPACE(buf[7])) |
| 1179 | s = buf + 8; |
| 1180 | } |
| 1181 | if (!s) { |
| 1182 | buf = ""; /* Not #! */ |
| 1183 | goto doshell_args; |
| 1184 | } |
| 1185 | |
| 1186 | s1 = s; |
| 1187 | nargs = 0; |
| 1188 | argsp = args; |
| 1189 | while (1) { |
| 1190 | /* Do better than pdksh: allow a few args, |
| 1191 | strip trailing whitespace. */ |
| 1192 | while (isSPACE(*s)) |
| 1193 | s++; |
| 1194 | if (*s == 0) |
| 1195 | break; |
| 1196 | if (nargs == 4) { |
| 1197 | nargs = -1; |
| 1198 | break; |
| 1199 | } |
| 1200 | args[nargs++] = s; |
| 1201 | while (*s && !isSPACE(*s)) |
| 1202 | s++; |
| 1203 | if (*s == 0) |
| 1204 | break; |
| 1205 | *s++ = 0; |
| 1206 | } |
| 1207 | if (nargs == -1) { |
| 1208 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Too many args on %.*s line of \"%s\"", |
| 1209 | s1 - buf, buf, scr); |
| 1210 | nargs = 4; |
| 1211 | argsp = fargs; |
| 1212 | } |
| 1213 | /* Can jump from far, buf/file invalid if force_shell: */ |
| 1214 | doshell_args: |
| 1215 | { |
| 1216 | char **a = PL_Argv; |
| 1217 | const char *exec_args[2]; |
| 1218 | |
| 1219 | if (force_shell |
| 1220 | || (!buf[0] && file)) { /* File without magic */ |
| 1221 | /* In fact we tried all what pdksh would |
| 1222 | try. There is no point in calling |
| 1223 | pdksh, we may just emulate its logic. */ |
| 1224 | char *shell = getenv("EXECSHELL"); |
| 1225 | char *shell_opt = NULL; |
| 1226 | |
| 1227 | if (!shell) { |
| 1228 | char *s; |
| 1229 | |
| 1230 | shell_opt = "/c"; |
| 1231 | shell = getenv("OS2_SHELL"); |
| 1232 | if (inicmd) { /* No spaces at start! */ |
| 1233 | s = inicmd; |
| 1234 | while (*s && !isSPACE(*s)) { |
| 1235 | if (*s++ == '/') { |
| 1236 | inicmd = NULL; /* Cannot use */ |
| 1237 | break; |
| 1238 | } |
| 1239 | } |
| 1240 | } |
| 1241 | if (!inicmd) { |
| 1242 | s = PL_Argv[0]; |
| 1243 | while (*s) { |
| 1244 | /* Dosish shells will choke on slashes |
| 1245 | in paths, fortunately, this is |
| 1246 | important for zeroth arg only. */ |
| 1247 | if (*s == '/') |
| 1248 | *s = '\\'; |
| 1249 | s++; |
| 1250 | } |
| 1251 | } |
| 1252 | } |
| 1253 | /* If EXECSHELL is set, we do not set */ |
| 1254 | |
| 1255 | if (!shell) |
| 1256 | shell = ((_emx_env & 0x200) |
| 1257 | ? "c:/os2/cmd.exe" |
| 1258 | : "c:/command.com"); |
| 1259 | nargs = shell_opt ? 2 : 1; /* shell file args */ |
| 1260 | exec_args[0] = shell; |
| 1261 | exec_args[1] = shell_opt; |
| 1262 | argsp = exec_args; |
| 1263 | if (nargs == 2 && inicmd) { |
| 1264 | /* Use the original cmd line */ |
| 1265 | /* XXXX This is good only until we refuse |
| 1266 | quoted arguments... */ |
| 1267 | PL_Argv[0] = inicmd; |
| 1268 | PL_Argv[1] = NULL; |
| 1269 | } |
| 1270 | } else if (!buf[0] && inicmd) { /* No file */ |
| 1271 | /* Start with the original cmdline. */ |
| 1272 | /* XXXX This is good only until we refuse |
| 1273 | quoted arguments... */ |
| 1274 | |
| 1275 | PL_Argv[0] = inicmd; |
| 1276 | PL_Argv[1] = NULL; |
| 1277 | nargs = 2; /* shell -c */ |
| 1278 | } |
| 1279 | |
| 1280 | while (a[1]) /* Get to the end */ |
| 1281 | a++; |
| 1282 | a++; /* Copy finil NULL too */ |
| 1283 | while (a >= PL_Argv) { |
| 1284 | *(a + nargs) = *a; /* PL_Argv was preallocated to be |
| 1285 | long enough. */ |
| 1286 | a--; |
| 1287 | } |
| 1288 | while (--nargs >= 0) /* XXXX Discard const... */ |
| 1289 | PL_Argv[nargs] = (char*)argsp[nargs]; |
| 1290 | /* Enable pathless exec if #! (as pdksh). */ |
| 1291 | pass = (buf[0] == '#' ? 2 : 3); |
| 1292 | goto retry; |
| 1293 | } |
| 1294 | } |
| 1295 | /* Not found: restore errno */ |
| 1296 | errno = err; |
| 1297 | } |
| 1298 | } else if (errno == ENOEXEC) { /* Cannot transfer `real_name' via shell. */ |
| 1299 | if (rc < 0 && ckWARN(WARN_EXEC)) |
| 1300 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s script `%s' with ARGV[0] being `%s'", |
| 1301 | ((execf != EXECF_EXEC && execf != EXECF_TRUEEXEC) |
| 1302 | ? "spawn" : "exec"), |
| 1303 | real_name, PL_Argv[0]); |
| 1304 | goto warned; |
| 1305 | } else if (errno == ENOENT) { /* Cannot transfer `real_name' via shell. */ |
| 1306 | if (rc < 0 && ckWARN(WARN_EXEC)) |
| 1307 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s `%s' with ARGV[0] being `%s' (looking for executables only, not found)", |
| 1308 | ((execf != EXECF_EXEC && execf != EXECF_TRUEEXEC) |
| 1309 | ? "spawn" : "exec"), |
| 1310 | real_name, PL_Argv[0]); |
| 1311 | goto warned; |
| 1312 | } |
| 1313 | } else if (rc < 0 && pass == 2 && errno == ENOENT) { /* File not found */ |
| 1314 | char *no_dir = strrchr(PL_Argv[0], '/'); |
| 1315 | |
| 1316 | /* Do as pdksh port does: if not found with /, try without |
| 1317 | path. */ |
| 1318 | if (no_dir) { |
| 1319 | PL_Argv[0] = no_dir + 1; |
| 1320 | pass++; |
| 1321 | goto retry; |
| 1322 | } |
| 1323 | } |
| 1324 | if (rc < 0 && ckWARN(WARN_EXEC)) |
| 1325 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s \"%s\": %s\n", |
| 1326 | ((execf != EXECF_EXEC && execf != EXECF_TRUEEXEC) |
| 1327 | ? "spawn" : "exec"), |
| 1328 | real_name, Strerror(errno)); |
| 1329 | warned: |
| 1330 | if (rc < 0 && (execf != EXECF_SPAWN_NOWAIT) |
| 1331 | && ((trueflag & 0xFF) == P_WAIT)) |
| 1332 | rc = -1; |
| 1333 | |
| 1334 | finish: |
| 1335 | if (new_stderr != -1) { /* How can we use error codes? */ |
| 1336 | dup2(new_stderr, 2); |
| 1337 | close(new_stderr); |
| 1338 | fcntl(2, F_SETFD, fl_stderr); |
| 1339 | } else if (nostderr) |
| 1340 | close(2); |
| 1341 | return rc; |
| 1342 | } |
| 1343 | |
| 1344 | /* Try converting 1-arg form to (usually shell-less) multi-arg form. */ |
| 1345 | int |
| 1346 | do_spawn3(pTHX_ char *cmd, int execf, int flag) |
| 1347 | { |
| 1348 | register char **a; |
| 1349 | register char *s; |
| 1350 | char *shell, *copt, *news = NULL; |
| 1351 | int rc, seenspace = 0, mergestderr = 0; |
| 1352 | |
| 1353 | #ifdef TRYSHELL |
| 1354 | if ((shell = getenv("EMXSHELL")) != NULL) |
| 1355 | copt = "-c"; |
| 1356 | else if ((shell = getenv("SHELL")) != NULL) |
| 1357 | copt = "-c"; |
| 1358 | else if ((shell = getenv("COMSPEC")) != NULL) |
| 1359 | copt = "/C"; |
| 1360 | else |
| 1361 | shell = "cmd.exe"; |
| 1362 | #else |
| 1363 | /* Consensus on perl5-porters is that it is _very_ important to |
| 1364 | have a shell which will not change between computers with the |
| 1365 | same architecture, to avoid "action on a distance". |
| 1366 | And to have simple build, this shell should be sh. */ |
| 1367 | shell = PL_sh_path; |
| 1368 | copt = "-c"; |
| 1369 | #endif |
| 1370 | |
| 1371 | while (*cmd && isSPACE(*cmd)) |
| 1372 | cmd++; |
| 1373 | |
| 1374 | if (strnEQ(cmd,"/bin/sh",7) && isSPACE(cmd[7])) { |
| 1375 | STRLEN l = strlen(PL_sh_path); |
| 1376 | |
| 1377 | Newx(news, strlen(cmd) - 7 + l + 1, char); |
| 1378 | strcpy(news, PL_sh_path); |
| 1379 | strcpy(news + l, cmd + 7); |
| 1380 | cmd = news; |
| 1381 | } |
| 1382 | |
| 1383 | /* save an extra exec if possible */ |
| 1384 | /* see if there are shell metacharacters in it */ |
| 1385 | |
| 1386 | if (*cmd == '.' && isSPACE(cmd[1])) |
| 1387 | goto doshell; |
| 1388 | |
| 1389 | if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4])) |
| 1390 | goto doshell; |
| 1391 | |
| 1392 | for (s = cmd; *s && isALPHA(*s); s++) ; /* catch VAR=val gizmo */ |
| 1393 | if (*s == '=') |
| 1394 | goto doshell; |
| 1395 | |
| 1396 | for (s = cmd; *s; s++) { |
| 1397 | if (*s != ' ' && !isALPHA(*s) && strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) { |
| 1398 | if (*s == '\n' && s[1] == '\0') { |
| 1399 | *s = '\0'; |
| 1400 | break; |
| 1401 | } else if (*s == '\\' && !seenspace) { |
| 1402 | continue; /* Allow backslashes in names */ |
| 1403 | } else if (*s == '>' && s >= cmd + 3 |
| 1404 | && s[-1] == '2' && s[1] == '&' && s[2] == '1' |
| 1405 | && isSPACE(s[-2]) ) { |
| 1406 | char *t = s + 3; |
| 1407 | |
| 1408 | while (*t && isSPACE(*t)) |
| 1409 | t++; |
| 1410 | if (!*t) { |
| 1411 | s[-2] = '\0'; |
| 1412 | mergestderr = 1; |
| 1413 | break; /* Allow 2>&1 as the last thing */ |
| 1414 | } |
| 1415 | } |
| 1416 | /* We do not convert this to do_spawn_ve since shell |
| 1417 | should be smart enough to start itself gloriously. */ |
| 1418 | doshell: |
| 1419 | if (execf == EXECF_TRUEEXEC) |
| 1420 | rc = execl(shell,shell,copt,cmd,(char*)0); |
| 1421 | else if (execf == EXECF_EXEC) |
| 1422 | rc = spawnl(P_OVERLAY,shell,shell,copt,cmd,(char*)0); |
| 1423 | else if (execf == EXECF_SPAWN_NOWAIT) |
| 1424 | rc = spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0); |
| 1425 | else if (execf == EXECF_SPAWN_BYFLAG) |
| 1426 | rc = spawnl(flag,shell,shell,copt,cmd,(char*)0); |
| 1427 | else { |
| 1428 | /* In the ak code internal P_NOWAIT is P_WAIT ??? */ |
| 1429 | if (execf == EXECF_SYNC) |
| 1430 | rc = spawnl(P_WAIT,shell,shell,copt,cmd,(char*)0); |
| 1431 | else |
| 1432 | rc = result(aTHX_ P_WAIT, |
| 1433 | spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0)); |
| 1434 | if (rc < 0 && ckWARN(WARN_EXEC)) |
| 1435 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s \"%s\": %s", |
| 1436 | (execf == EXECF_SPAWN ? "spawn" : "exec"), |
| 1437 | shell, Strerror(errno)); |
| 1438 | if (rc < 0) |
| 1439 | rc = -1; |
| 1440 | } |
| 1441 | if (news) |
| 1442 | Safefree(news); |
| 1443 | return rc; |
| 1444 | } else if (*s == ' ' || *s == '\t') { |
| 1445 | seenspace = 1; |
| 1446 | } |
| 1447 | } |
| 1448 | |
| 1449 | /* cmd="a" may lead to "sh", "-c", "\"$@\"", "a", "a.cmd", NULL */ |
| 1450 | Newx(PL_Argv, (s - cmd + 11) / 2, char*); |
| 1451 | PL_Cmd = savepvn(cmd, s-cmd); |
| 1452 | a = PL_Argv; |
| 1453 | for (s = PL_Cmd; *s;) { |
| 1454 | while (*s && isSPACE(*s)) s++; |
| 1455 | if (*s) |
| 1456 | *(a++) = s; |
| 1457 | while (*s && !isSPACE(*s)) s++; |
| 1458 | if (*s) |
| 1459 | *s++ = '\0'; |
| 1460 | } |
| 1461 | *a = NULL; |
| 1462 | if (PL_Argv[0]) |
| 1463 | rc = do_spawn_ve(aTHX_ NULL, flag, execf, cmd, mergestderr); |
| 1464 | else |
| 1465 | rc = -1; |
| 1466 | if (news) |
| 1467 | Safefree(news); |
| 1468 | do_execfree(); |
| 1469 | return rc; |
| 1470 | } |
| 1471 | |
| 1472 | #define ASPAWN_WAIT 0 |
| 1473 | #define ASPAWN_EXEC 1 |
| 1474 | #define ASPAWN_NOWAIT 2 |
| 1475 | |
| 1476 | /* Array spawn/exec. */ |
| 1477 | int |
| 1478 | os2_aspawn_4(pTHX_ SV *really, register SV **args, I32 cnt, int execing) |
| 1479 | { |
| 1480 | register SV **argp = (SV **)args; |
| 1481 | register SV **last = argp + cnt; |
| 1482 | register char **a; |
| 1483 | int rc; |
| 1484 | int flag = P_WAIT, flag_set = 0; |
| 1485 | STRLEN n_a; |
| 1486 | |
| 1487 | if (cnt) { |
| 1488 | Newx(PL_Argv, cnt + 3, char*); /* 3 extra to expand #! */ |
| 1489 | a = PL_Argv; |
| 1490 | |
| 1491 | if (cnt > 1 && SvNIOKp(*argp) && !SvPOKp(*argp)) { |
| 1492 | flag = SvIVx(*argp); |
| 1493 | flag_set = 1; |
| 1494 | } else |
| 1495 | --argp; |
| 1496 | |
| 1497 | while (++argp < last) { |
| 1498 | if (*argp) |
| 1499 | *a++ = SvPVx(*argp, n_a); |
| 1500 | else |
| 1501 | *a++ = ""; |
| 1502 | } |
| 1503 | *a = NULL; |
| 1504 | |
| 1505 | if ( flag_set && (a == PL_Argv + 1) |
| 1506 | && !really && execing == ASPAWN_WAIT ) { /* One arg? */ |
| 1507 | rc = do_spawn3(aTHX_ a[-1], EXECF_SPAWN_BYFLAG, flag); |
| 1508 | } else { |
| 1509 | const int execf[3] = {EXECF_SPAWN, EXECF_EXEC, EXECF_SPAWN_NOWAIT}; |
| 1510 | |
| 1511 | rc = do_spawn_ve(aTHX_ really, flag, execf[execing], NULL, 0); |
| 1512 | } |
| 1513 | } else |
| 1514 | rc = -1; |
| 1515 | do_execfree(); |
| 1516 | return rc; |
| 1517 | } |
| 1518 | |
| 1519 | /* Array spawn. */ |
| 1520 | int |
| 1521 | os2_do_aspawn(pTHX_ SV *really, register SV **vmark, register SV **vsp) |
| 1522 | { |
| 1523 | return os2_aspawn_4(aTHX_ really, vmark + 1, vsp - vmark, ASPAWN_WAIT); |
| 1524 | } |
| 1525 | |
| 1526 | /* Array exec. */ |
| 1527 | bool |
| 1528 | Perl_do_aexec(pTHX_ SV* really, SV** vmark, SV** vsp) |
| 1529 | { |
| 1530 | return os2_aspawn_4(aTHX_ really, vmark + 1, vsp - vmark, ASPAWN_EXEC); |
| 1531 | } |
| 1532 | |
| 1533 | int |
| 1534 | os2_do_spawn(pTHX_ char *cmd) |
| 1535 | { |
| 1536 | return do_spawn3(aTHX_ cmd, EXECF_SPAWN, 0); |
| 1537 | } |
| 1538 | |
| 1539 | int |
| 1540 | do_spawn_nowait(pTHX_ char *cmd) |
| 1541 | { |
| 1542 | return do_spawn3(aTHX_ cmd, EXECF_SPAWN_NOWAIT,0); |
| 1543 | } |
| 1544 | |
| 1545 | bool |
| 1546 | Perl_do_exec(pTHX_ const char *cmd) |
| 1547 | { |
| 1548 | do_spawn3(aTHX_ cmd, EXECF_EXEC, 0); |
| 1549 | return FALSE; |
| 1550 | } |
| 1551 | |
| 1552 | bool |
| 1553 | os2exec(pTHX_ char *cmd) |
| 1554 | { |
| 1555 | return do_spawn3(aTHX_ cmd, EXECF_TRUEEXEC, 0); |
| 1556 | } |
| 1557 | |
| 1558 | PerlIO * |
| 1559 | my_syspopen4(pTHX_ char *cmd, char *mode, I32 cnt, SV** args) |
| 1560 | { |
| 1561 | #ifndef USE_POPEN |
| 1562 | int p[2]; |
| 1563 | register I32 this, that, newfd; |
| 1564 | register I32 pid; |
| 1565 | SV *sv; |
| 1566 | int fh_fl = 0; /* Pacify the warning */ |
| 1567 | |
| 1568 | /* `this' is what we use in the parent, `that' in the child. */ |
| 1569 | this = (*mode == 'w'); |
| 1570 | that = !this; |
| 1571 | if (PL_tainting) { |
| 1572 | taint_env(); |
| 1573 | taint_proper("Insecure %s%s", "EXEC"); |
| 1574 | } |
| 1575 | if (pipe(p) < 0) |
| 1576 | return NULL; |
| 1577 | /* Now we need to spawn the child. */ |
| 1578 | if (p[this] == (*mode == 'r')) { /* if fh 0/1 was initially closed. */ |
| 1579 | int new = dup(p[this]); |
| 1580 | |
| 1581 | if (new == -1) |
| 1582 | goto closepipes; |
| 1583 | close(p[this]); |
| 1584 | p[this] = new; |
| 1585 | } |
| 1586 | newfd = dup(*mode == 'r'); /* Preserve std* */ |
| 1587 | if (newfd == -1) { |
| 1588 | /* This cannot happen due to fh being bad after pipe(), since |
| 1589 | pipe() should have created fh 0 and 1 even if they were |
| 1590 | initially closed. But we closed p[this] before. */ |
| 1591 | if (errno != EBADF) { |
| 1592 | closepipes: |
| 1593 | close(p[0]); |
| 1594 | close(p[1]); |
| 1595 | return NULL; |
| 1596 | } |
| 1597 | } else |
| 1598 | fh_fl = fcntl(*mode == 'r', F_GETFD); |
| 1599 | if (p[that] != (*mode == 'r')) { /* if fh 0/1 was initially closed. */ |
| 1600 | dup2(p[that], *mode == 'r'); |
| 1601 | close(p[that]); |
| 1602 | } |
| 1603 | /* Where is `this' and newfd now? */ |
| 1604 | fcntl(p[this], F_SETFD, FD_CLOEXEC); |
| 1605 | if (newfd != -1) |
| 1606 | fcntl(newfd, F_SETFD, FD_CLOEXEC); |
| 1607 | if (cnt) { /* Args: "Real cmd", before first arg, the last, execing */ |
| 1608 | pid = os2_aspawn_4(aTHX_ NULL, args, cnt, ASPAWN_NOWAIT); |
| 1609 | } else |
| 1610 | pid = do_spawn_nowait(aTHX_ cmd); |
| 1611 | if (newfd == -1) |
| 1612 | close(*mode == 'r'); /* It was closed initially */ |
| 1613 | else if (newfd != (*mode == 'r')) { /* Probably this check is not needed */ |
| 1614 | dup2(newfd, *mode == 'r'); /* Return std* back. */ |
| 1615 | close(newfd); |
| 1616 | fcntl(*mode == 'r', F_SETFD, fh_fl); |
| 1617 | } else |
| 1618 | fcntl(*mode == 'r', F_SETFD, fh_fl); |
| 1619 | if (p[that] == (*mode == 'r')) |
| 1620 | close(p[that]); |
| 1621 | if (pid == -1) { |
| 1622 | close(p[this]); |
| 1623 | return NULL; |
| 1624 | } |
| 1625 | if (p[that] < p[this]) { /* Make fh as small as possible */ |
| 1626 | dup2(p[this], p[that]); |
| 1627 | close(p[this]); |
| 1628 | p[this] = p[that]; |
| 1629 | } |
| 1630 | sv = *av_fetch(PL_fdpid,p[this],TRUE); |
| 1631 | (void)SvUPGRADE(sv,SVt_IV); |
| 1632 | SvIVX(sv) = pid; |
| 1633 | PL_forkprocess = pid; |
| 1634 | return PerlIO_fdopen(p[this], mode); |
| 1635 | |
| 1636 | #else /* USE_POPEN */ |
| 1637 | |
| 1638 | PerlIO *res; |
| 1639 | SV *sv; |
| 1640 | |
| 1641 | if (cnt) |
| 1642 | Perl_croak(aTHX_ "List form of piped open not implemented"); |
| 1643 | |
| 1644 | # ifdef TRYSHELL |
| 1645 | res = popen(cmd, mode); |
| 1646 | # else |
| 1647 | char *shell = getenv("EMXSHELL"); |
| 1648 | |
| 1649 | my_setenv("EMXSHELL", PL_sh_path); |
| 1650 | res = popen(cmd, mode); |
| 1651 | my_setenv("EMXSHELL", shell); |
| 1652 | # endif |
| 1653 | sv = *av_fetch(PL_fdpid, PerlIO_fileno(res), TRUE); |
| 1654 | (void)SvUPGRADE(sv,SVt_IV); |
| 1655 | SvIVX(sv) = -1; /* A cooky. */ |
| 1656 | return res; |
| 1657 | |
| 1658 | #endif /* USE_POPEN */ |
| 1659 | |
| 1660 | } |
| 1661 | |
| 1662 | PerlIO * |
| 1663 | my_syspopen(pTHX_ char *cmd, char *mode) |
| 1664 | { |
| 1665 | return my_syspopen4(aTHX_ cmd, mode, 0, NULL); |
| 1666 | } |
| 1667 | |
| 1668 | /******************************************************************/ |
| 1669 | |
| 1670 | #ifndef HAS_FORK |
| 1671 | int |
| 1672 | fork(void) |
| 1673 | { |
| 1674 | Perl_croak_nocontext(PL_no_func, "Unsupported function fork"); |
| 1675 | errno = EINVAL; |
| 1676 | return -1; |
| 1677 | } |
| 1678 | #endif |
| 1679 | |
| 1680 | /*******************************************************************/ |
| 1681 | /* not implemented in EMX 0.9d */ |
| 1682 | |
| 1683 | char * ctermid(char *s) { return 0; } |
| 1684 | |
| 1685 | #ifdef MYTTYNAME /* was not in emx0.9a */ |
| 1686 | void * ttyname(x) { return 0; } |
| 1687 | #endif |
| 1688 | |
| 1689 | /*****************************************************************************/ |
| 1690 | /* not implemented in C Set++ */ |
| 1691 | |
| 1692 | #ifndef __EMX__ |
| 1693 | int setuid(x) { errno = EINVAL; return -1; } |
| 1694 | int setgid(x) { errno = EINVAL; return -1; } |
| 1695 | #endif |
| 1696 | |
| 1697 | /*****************************************************************************/ |
| 1698 | /* stat() hack for char/block device */ |
| 1699 | |
| 1700 | #if OS2_STAT_HACK |
| 1701 | |
| 1702 | enum os2_stat_extra { /* EMX 0.9d fix 4 defines up to 0100000 */ |
| 1703 | os2_stat_archived = 0x1000000, /* 0100000000 */ |
| 1704 | os2_stat_hidden = 0x2000000, /* 0200000000 */ |
| 1705 | os2_stat_system = 0x4000000, /* 0400000000 */ |
| 1706 | os2_stat_force = 0x8000000, /* Do not ignore flags on chmod */ |
| 1707 | }; |
| 1708 | |
| 1709 | #define OS2_STAT_SPECIAL (os2_stat_system | os2_stat_archived | os2_stat_hidden) |
| 1710 | |
| 1711 | static void |
| 1712 | massage_os2_attr(struct stat *st) |
| 1713 | { |
| 1714 | if ( ((st->st_mode & S_IFMT) != S_IFREG |
| 1715 | && (st->st_mode & S_IFMT) != S_IFDIR) |
| 1716 | || !(st->st_attr & (FILE_ARCHIVED | FILE_HIDDEN | FILE_SYSTEM))) |
| 1717 | return; |
| 1718 | |
| 1719 | if ( st->st_attr & FILE_ARCHIVED ) |
| 1720 | st->st_mode |= (os2_stat_archived | os2_stat_force); |
| 1721 | if ( st->st_attr & FILE_HIDDEN ) |
| 1722 | st->st_mode |= (os2_stat_hidden | os2_stat_force); |
| 1723 | if ( st->st_attr & FILE_SYSTEM ) |
| 1724 | st->st_mode |= (os2_stat_system | os2_stat_force); |
| 1725 | } |
| 1726 | |
| 1727 | /* First attempt used DosQueryFSAttach which crashed the system when |
| 1728 | used with 5.001. Now just look for /dev/. */ |
| 1729 | int |
| 1730 | os2_stat(const char *name, struct stat *st) |
| 1731 | { |
| 1732 | static int ino = SHRT_MAX; |
| 1733 | STRLEN l = strlen(name); |
| 1734 | |
| 1735 | if ( ( l < 8 || l > 9) || strnicmp(name, "/dev/", 5) != 0 |
| 1736 | || ( stricmp(name + 5, "con") != 0 |
| 1737 | && stricmp(name + 5, "tty") != 0 |
| 1738 | && stricmp(name + 5, "nul") != 0 |
| 1739 | && stricmp(name + 5, "null") != 0) ) { |
| 1740 | int s = stat(name, st); |
| 1741 | |
| 1742 | if (s) |
| 1743 | return s; |
| 1744 | massage_os2_attr(st); |
| 1745 | return 0; |
| 1746 | } |
| 1747 | |
| 1748 | memset(st, 0, sizeof *st); |
| 1749 | st->st_mode = S_IFCHR|0666; |
| 1750 | MUTEX_LOCK(&perlos2_state_mutex); |
| 1751 | st->st_ino = (ino-- & 0x7FFF); |
| 1752 | MUTEX_UNLOCK(&perlos2_state_mutex); |
| 1753 | st->st_nlink = 1; |
| 1754 | return 0; |
| 1755 | } |
| 1756 | |
| 1757 | int |
| 1758 | os2_fstat(int handle, struct stat *st) |
| 1759 | { |
| 1760 | int s = fstat(handle, st); |
| 1761 | |
| 1762 | if (s) |
| 1763 | return s; |
| 1764 | massage_os2_attr(st); |
| 1765 | return 0; |
| 1766 | } |
| 1767 | |
| 1768 | #undef chmod |
| 1769 | int |
| 1770 | os2_chmod (const char *name, int pmode) /* Modelled after EMX src/lib/io/chmod.c */ |
| 1771 | { |
| 1772 | int attr, rc; |
| 1773 | |
| 1774 | if (!(pmode & os2_stat_force)) |
| 1775 | return chmod(name, pmode); |
| 1776 | |
| 1777 | attr = __chmod (name, 0, 0); /* Get attributes */ |
| 1778 | if (attr < 0) |
| 1779 | return -1; |
| 1780 | if (pmode & S_IWRITE) |
| 1781 | attr &= ~FILE_READONLY; |
| 1782 | else |
| 1783 | attr |= FILE_READONLY; |
| 1784 | /* New logic */ |
| 1785 | attr &= ~(FILE_ARCHIVED | FILE_HIDDEN | FILE_SYSTEM); |
| 1786 | |
| 1787 | if ( pmode & os2_stat_archived ) |
| 1788 | attr |= FILE_ARCHIVED; |
| 1789 | if ( pmode & os2_stat_hidden ) |
| 1790 | attr |= FILE_HIDDEN; |
| 1791 | if ( pmode & os2_stat_system ) |
| 1792 | attr |= FILE_SYSTEM; |
| 1793 | |
| 1794 | rc = __chmod (name, 1, attr); |
| 1795 | if (rc >= 0) rc = 0; |
| 1796 | return rc; |
| 1797 | } |
| 1798 | |
| 1799 | #endif |
| 1800 | |
| 1801 | #ifdef USE_PERL_SBRK |
| 1802 | |
| 1803 | /* SBRK() emulation, mostly moved to malloc.c. */ |
| 1804 | |
| 1805 | void * |
| 1806 | sys_alloc(int size) { |
| 1807 | void *got; |
| 1808 | APIRET rc = DosAllocMem(&got, size, PAG_COMMIT | PAG_WRITE); |
| 1809 | |
| 1810 | if (rc == ERROR_NOT_ENOUGH_MEMORY) { |
| 1811 | return (void *) -1; |
| 1812 | } else if ( rc ) |
| 1813 | Perl_croak_nocontext("Got an error from DosAllocMem: %li", (long)rc); |
| 1814 | return got; |
| 1815 | } |
| 1816 | |
| 1817 | #endif /* USE_PERL_SBRK */ |
| 1818 | |
| 1819 | /* tmp path */ |
| 1820 | |
| 1821 | const char *tmppath = TMPPATH1; |
| 1822 | |
| 1823 | void |
| 1824 | settmppath() |
| 1825 | { |
| 1826 | char *p = getenv("TMP"), *tpath; |
| 1827 | int len; |
| 1828 | |
| 1829 | if (!p) p = getenv("TEMP"); |
| 1830 | if (!p) p = getenv("TMPDIR"); |
| 1831 | if (!p) return; |
| 1832 | len = strlen(p); |
| 1833 | tpath = (char *)malloc(len + strlen(TMPPATH1) + 2); |
| 1834 | if (tpath) { |
| 1835 | strcpy(tpath, p); |
| 1836 | tpath[len] = '/'; |
| 1837 | strcpy(tpath + len + 1, TMPPATH1); |
| 1838 | tmppath = tpath; |
| 1839 | } |
| 1840 | } |
| 1841 | |
| 1842 | #include "XSUB.h" |
| 1843 | |
| 1844 | XS(XS_File__Copy_syscopy) |
| 1845 | { |
| 1846 | dXSARGS; |
| 1847 | if (items < 2 || items > 3) |
| 1848 | Perl_croak_nocontext("Usage: File::Copy::syscopy(src,dst,flag=0)"); |
| 1849 | { |
| 1850 | STRLEN n_a; |
| 1851 | char * src = (char *)SvPV(ST(0),n_a); |
| 1852 | char * dst = (char *)SvPV(ST(1),n_a); |
| 1853 | U32 flag; |
| 1854 | int RETVAL, rc; |
| 1855 | dXSTARG; |
| 1856 | |
| 1857 | if (items < 3) |
| 1858 | flag = 0; |
| 1859 | else { |
| 1860 | flag = (unsigned long)SvIV(ST(2)); |
| 1861 | } |
| 1862 | |
| 1863 | RETVAL = !CheckOSError(DosCopy(src, dst, flag)); |
| 1864 | XSprePUSH; PUSHi((IV)RETVAL); |
| 1865 | } |
| 1866 | XSRETURN(1); |
| 1867 | } |
| 1868 | |
| 1869 | /* APIRET APIENTRY DosReplaceModule (PCSZ pszOld, PCSZ pszNew, PCSZ pszBackup); */ |
| 1870 | |
| 1871 | DeclOSFuncByORD(ULONG,replaceModule,ORD_DosReplaceModule, |
| 1872 | (char *old, char *new, char *backup), (old, new, backup)) |
| 1873 | |
| 1874 | XS(XS_OS2_replaceModule); /* prototype to pass -Wmissing-prototypes */ |
| 1875 | XS(XS_OS2_replaceModule) |
| 1876 | { |
| 1877 | dXSARGS; |
| 1878 | if (items < 1 || items > 3) |
| 1879 | Perl_croak(aTHX_ "Usage: OS2::replaceModule(target [, source [, backup]])"); |
| 1880 | { |
| 1881 | char * target = (char *)SvPV_nolen(ST(0)); |
| 1882 | char * source = (items < 2) ? NULL : (char *)SvPV_nolen(ST(1)); |
| 1883 | char * backup = (items < 3) ? NULL : (char *)SvPV_nolen(ST(2)); |
| 1884 | |
| 1885 | if (!replaceModule(target, source, backup)) |
| 1886 | croak_with_os2error("replaceModule() error"); |
| 1887 | } |
| 1888 | XSRETURN_YES; |
| 1889 | } |
| 1890 | |
| 1891 | /* APIRET APIENTRY DosPerfSysCall(ULONG ulCommand, ULONG ulParm1, |
| 1892 | ULONG ulParm2, ULONG ulParm3); */ |
| 1893 | |
| 1894 | DeclOSFuncByORD(ULONG,perfSysCall,ORD_DosPerfSysCall, |
| 1895 | (ULONG ulCommand, ULONG ulParm1, ULONG ulParm2, ULONG ulParm3), |
| 1896 | (ulCommand, ulParm1, ulParm2, ulParm3)) |
| 1897 | |
| 1898 | #ifndef CMD_KI_RDCNT |
| 1899 | # define CMD_KI_RDCNT 0x63 |
| 1900 | #endif |
| 1901 | #ifndef CMD_KI_GETQTY |
| 1902 | # define CMD_KI_GETQTY 0x41 |
| 1903 | #endif |
| 1904 | #ifndef QSV_NUMPROCESSORS |
| 1905 | # define QSV_NUMPROCESSORS 26 |
| 1906 | #endif |
| 1907 | |
| 1908 | typedef unsigned long long myCPUUTIL[4]; /* time/idle/busy/intr */ |
| 1909 | |
| 1910 | /* |
| 1911 | NO_OUTPUT ULONG |
| 1912 | perfSysCall(ULONG ulCommand, ULONG ulParm1, ULONG ulParm2, ULONG ulParm3) |
| 1913 | PREINIT: |
| 1914 | ULONG rc; |
| 1915 | POSTCALL: |
| 1916 | if (!RETVAL) |
| 1917 | croak_with_os2error("perfSysCall() error"); |
| 1918 | */ |
| 1919 | |
| 1920 | static int |
| 1921 | numprocessors(void) |
| 1922 | { |
| 1923 | ULONG res; |
| 1924 | |
| 1925 | if (DosQuerySysInfo(QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, (PVOID)&res, sizeof(res))) |
| 1926 | return 1; /* Old system? */ |
| 1927 | return res; |
| 1928 | } |
| 1929 | |
| 1930 | XS(XS_OS2_perfSysCall); /* prototype to pass -Wmissing-prototypes */ |
| 1931 | XS(XS_OS2_perfSysCall) |
| 1932 | { |
| 1933 | dXSARGS; |
| 1934 | if (items < 0 || items > 4) |
| 1935 | Perl_croak(aTHX_ "Usage: OS2::perfSysCall(ulCommand = CMD_KI_RDCNT, ulParm1= 0, ulParm2= 0, ulParm3= 0)"); |
| 1936 | SP -= items; |
| 1937 | { |
| 1938 | dXSTARG; |
| 1939 | ULONG RETVAL, ulCommand, ulParm1, ulParm2, ulParm3, res; |
| 1940 | myCPUUTIL u[64]; |
| 1941 | int total = 0, tot2 = 0; |
| 1942 | |
| 1943 | if (items < 1) |
| 1944 | ulCommand = CMD_KI_RDCNT; |
| 1945 | else { |
| 1946 | ulCommand = (ULONG)SvUV(ST(0)); |
| 1947 | } |
| 1948 | |
| 1949 | if (items < 2) { |
| 1950 | total = (ulCommand == CMD_KI_RDCNT ? numprocessors() : 0); |
| 1951 | ulParm1 = (total ? (ULONG)u : 0); |
| 1952 | |
| 1953 | if (total > C_ARRAY_LENGTH(u)) |
| 1954 | croak("Unexpected number of processors: %d", total); |
| 1955 | } else { |
| 1956 | ulParm1 = (ULONG)SvUV(ST(1)); |
| 1957 | } |
| 1958 | |
| 1959 | if (items < 3) { |
| 1960 | tot2 = (ulCommand == CMD_KI_GETQTY); |
| 1961 | ulParm2 = (tot2 ? (ULONG)&res : 0); |
| 1962 | } else { |
| 1963 | ulParm2 = (ULONG)SvUV(ST(2)); |
| 1964 | } |
| 1965 | |
| 1966 | if (items < 4) |
| 1967 | ulParm3 = 0; |
| 1968 | else { |
| 1969 | ulParm3 = (ULONG)SvUV(ST(3)); |
| 1970 | } |
| 1971 | |
| 1972 | RETVAL = perfSysCall(ulCommand, ulParm1, ulParm2, ulParm3); |
| 1973 | if (!RETVAL) |
| 1974 | croak_with_os2error("perfSysCall() error"); |
| 1975 | XSprePUSH; |
| 1976 | if (total) { |
| 1977 | int i,j; |
| 1978 | |
| 1979 | if (GIMME_V != G_ARRAY) { |
| 1980 | PUSHn(u[0][0]); /* Total ticks on the first processor */ |
| 1981 | XSRETURN(1); |
| 1982 | } |
| 1983 | EXTEND(SP, 4*total); |
| 1984 | for (i=0; i < total; i++) |
| 1985 | for (j=0; j < 4; j++) |
| 1986 | PUSHs(sv_2mortal(newSVnv(u[i][j]))); |
| 1987 | XSRETURN(4*total); |
| 1988 | } |
| 1989 | if (tot2) { |
| 1990 | PUSHu(res); |
| 1991 | XSRETURN(1); |
| 1992 | } |
| 1993 | } |
| 1994 | XSRETURN_EMPTY; |
| 1995 | } |
| 1996 | |
| 1997 | #define PERL_PATCHLEVEL_H_IMPLICIT /* Do not init local_patches. */ |
| 1998 | #include "patchlevel.h" |
| 1999 | #undef PERL_PATCHLEVEL_H_IMPLICIT |
| 2000 | |
| 2001 | char * |
| 2002 | mod2fname(pTHX_ SV *sv) |
| 2003 | { |
| 2004 | int pos = 6, len, avlen; |
| 2005 | unsigned int sum = 0; |
| 2006 | char *s; |
| 2007 | STRLEN n_a; |
| 2008 | |
| 2009 | if (!SvROK(sv)) Perl_croak_nocontext("Not a reference given to mod2fname"); |
| 2010 | sv = SvRV(sv); |
| 2011 | if (SvTYPE(sv) != SVt_PVAV) |
| 2012 | Perl_croak_nocontext("Not array reference given to mod2fname"); |
| 2013 | |
| 2014 | avlen = av_len((AV*)sv); |
| 2015 | if (avlen < 0) |
| 2016 | Perl_croak_nocontext("Empty array reference given to mod2fname"); |
| 2017 | |
| 2018 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), n_a); |
| 2019 | strncpy(fname, s, 8); |
| 2020 | len = strlen(s); |
| 2021 | if (len < 6) pos = len; |
| 2022 | while (*s) { |
| 2023 | sum = 33 * sum + *(s++); /* Checksumming first chars to |
| 2024 | * get the capitalization into c.s. */ |
| 2025 | } |
| 2026 | avlen --; |
| 2027 | while (avlen >= 0) { |
| 2028 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), n_a); |
| 2029 | while (*s) { |
| 2030 | sum = 33 * sum + *(s++); /* 7 is primitive mod 13. */ |
| 2031 | } |
| 2032 | avlen --; |
| 2033 | } |
| 2034 | /* We always load modules as *specific* DLLs, and with the full name. |
| 2035 | When loading a specific DLL by its full name, one cannot get a |
| 2036 | different DLL, even if a DLL with the same basename is loaded already. |
| 2037 | Thus there is no need to include the version into the mangling scheme. */ |
| 2038 | #if 0 |
| 2039 | sum += PERL_VERSION * 200 + PERL_SUBVERSION * 2; /* Up to 5.6.1 */ |
| 2040 | #else |
| 2041 | # ifndef COMPATIBLE_VERSION_SUM /* Binary compatibility with the 5.00553 binary */ |
| 2042 | # define COMPATIBLE_VERSION_SUM (5 * 200 + 53 * 2) |
| 2043 | # endif |
| 2044 | sum += COMPATIBLE_VERSION_SUM; |
| 2045 | #endif |
| 2046 | fname[pos] = 'A' + (sum % 26); |
| 2047 | fname[pos + 1] = 'A' + (sum / 26 % 26); |
| 2048 | fname[pos + 2] = '\0'; |
| 2049 | return (char *)fname; |
| 2050 | } |
| 2051 | |
| 2052 | XS(XS_DynaLoader_mod2fname) |
| 2053 | { |
| 2054 | dXSARGS; |
| 2055 | if (items != 1) |
| 2056 | Perl_croak_nocontext("Usage: DynaLoader::mod2fname(sv)"); |
| 2057 | { |
| 2058 | SV * sv = ST(0); |
| 2059 | char * RETVAL; |
| 2060 | dXSTARG; |
| 2061 | |
| 2062 | RETVAL = mod2fname(aTHX_ sv); |
| 2063 | sv_setpv(TARG, RETVAL); |
| 2064 | XSprePUSH; PUSHTARG; |
| 2065 | } |
| 2066 | XSRETURN(1); |
| 2067 | } |
| 2068 | |
| 2069 | char * |
| 2070 | os2error(int rc) |
| 2071 | { |
| 2072 | dTHX; |
| 2073 | ULONG len; |
| 2074 | char *s; |
| 2075 | int number = SvTRUE(get_sv("OS2::nsyserror", GV_ADD)); |
| 2076 | |
| 2077 | if (!(_emx_env & 0x200)) return ""; /* Nop if not OS/2. */ |
| 2078 | if (rc == 0) |
| 2079 | return ""; |
| 2080 | if (number) { |
| 2081 | sprintf(os2error_buf, "SYS%04d=%#x: ", rc, rc); |
| 2082 | s = os2error_buf + strlen(os2error_buf); |
| 2083 | } else |
| 2084 | s = os2error_buf; |
| 2085 | if (DosGetMessage(NULL, 0, s, sizeof(os2error_buf) - 1 - (s-os2error_buf), |
| 2086 | rc, "OSO001.MSG", &len)) { |
| 2087 | char *name = ""; |
| 2088 | |
| 2089 | if (!number) { |
| 2090 | sprintf(os2error_buf, "SYS%04d=%#x: ", rc, rc); |
| 2091 | s = os2error_buf + strlen(os2error_buf); |
| 2092 | } |
| 2093 | switch (rc) { |
| 2094 | case PMERR_INVALID_HWND: |
| 2095 | name = "PMERR_INVALID_HWND"; |
| 2096 | break; |
| 2097 | case PMERR_INVALID_HMQ: |
| 2098 | name = "PMERR_INVALID_HMQ"; |
| 2099 | break; |
| 2100 | case PMERR_CALL_FROM_WRONG_THREAD: |
| 2101 | name = "PMERR_CALL_FROM_WRONG_THREAD"; |
| 2102 | break; |
| 2103 | case PMERR_NO_MSG_QUEUE: |
| 2104 | name = "PMERR_NO_MSG_QUEUE"; |
| 2105 | break; |
| 2106 | case PMERR_NOT_IN_A_PM_SESSION: |
| 2107 | name = "PMERR_NOT_IN_A_PM_SESSION"; |
| 2108 | break; |
| 2109 | case PMERR_INVALID_ATOM: |
| 2110 | name = "PMERR_INVALID_ATOM"; |
| 2111 | break; |
| 2112 | case PMERR_INVALID_HATOMTBL: |
| 2113 | name = "PMERR_INVALID_HATOMTMB"; |
| 2114 | break; |
| 2115 | case PMERR_INVALID_INTEGER_ATOM: |
| 2116 | name = "PMERR_INVALID_INTEGER_ATOM"; |
| 2117 | break; |
| 2118 | case PMERR_INVALID_ATOM_NAME: |
| 2119 | name = "PMERR_INVALID_ATOM_NAME"; |
| 2120 | break; |
| 2121 | case PMERR_ATOM_NAME_NOT_FOUND: |
| 2122 | name = "PMERR_ATOM_NAME_NOT_FOUND"; |
| 2123 | break; |
| 2124 | } |
| 2125 | sprintf(s, "%s%s[No description found in OSO001.MSG]", |
| 2126 | name, (*name ? "=" : "")); |
| 2127 | } else { |
| 2128 | s[len] = '\0'; |
| 2129 | if (len && s[len - 1] == '\n') |
| 2130 | s[--len] = 0; |
| 2131 | if (len && s[len - 1] == '\r') |
| 2132 | s[--len] = 0; |
| 2133 | if (len && s[len - 1] == '.') |
| 2134 | s[--len] = 0; |
| 2135 | if (len >= 10 && number && strnEQ(s, os2error_buf, 7) |
| 2136 | && s[7] == ':' && s[8] == ' ') |
| 2137 | /* Some messages start with SYSdddd:, some not */ |
| 2138 | Move(s + 9, s, (len -= 9) + 1, char); |
| 2139 | } |
| 2140 | return os2error_buf; |
| 2141 | } |
| 2142 | |
| 2143 | void |
| 2144 | ResetWinError(void) |
| 2145 | { |
| 2146 | WinError_2_Perl_rc; |
| 2147 | } |
| 2148 | |
| 2149 | void |
| 2150 | CroakWinError(int die, char *name) |
| 2151 | { |
| 2152 | FillWinError; |
| 2153 | if (die && Perl_rc) |
| 2154 | croak_with_os2error(name ? name : "Win* API call"); |
| 2155 | } |
| 2156 | |
| 2157 | static char * |
| 2158 | dllname2buffer(pTHX_ char *buf, STRLEN l) |
| 2159 | { |
| 2160 | char *o; |
| 2161 | STRLEN ll; |
| 2162 | SV *dll = NULL; |
| 2163 | |
| 2164 | dll = module_name(mod_name_full); |
| 2165 | o = SvPV(dll, ll); |
| 2166 | if (ll < l) |
| 2167 | memcpy(buf,o,ll); |
| 2168 | SvREFCNT_dec(dll); |
| 2169 | return (ll >= l ? "???" : buf); |
| 2170 | } |
| 2171 | |
| 2172 | static char * |
| 2173 | execname2buffer(char *buf, STRLEN l, char *oname) |
| 2174 | { |
| 2175 | char *p, *orig = oname, ok = oname != NULL; |
| 2176 | |
| 2177 | if (_execname(buf, l) != 0) { |
| 2178 | if (!oname || strlen(oname) >= l) |
| 2179 | return oname; |
| 2180 | strcpy(buf, oname); |
| 2181 | ok = 0; |
| 2182 | } |
| 2183 | p = buf; |
| 2184 | while (*p) { |
| 2185 | if (*p == '\\') |
| 2186 | *p = '/'; |
| 2187 | if (*p == '/') { |
| 2188 | if (ok && *oname != '/' && *oname != '\\') |
| 2189 | ok = 0; |
| 2190 | } else if (ok && tolower(*oname) != tolower(*p)) |
| 2191 | ok = 0; |
| 2192 | p++; |
| 2193 | oname++; |
| 2194 | } |
| 2195 | if (ok) { /* orig matches the real name. Use orig: */ |
| 2196 | strcpy(buf, orig); /* _execname() is always uppercased */ |
| 2197 | p = buf; |
| 2198 | while (*p) { |
| 2199 | if (*p == '\\') |
| 2200 | *p = '/'; |
| 2201 | p++; |
| 2202 | } |
| 2203 | } |
| 2204 | return buf; |
| 2205 | } |
| 2206 | |
| 2207 | char * |
| 2208 | os2_execname(pTHX) |
| 2209 | { |
| 2210 | char buf[300], *p = execname2buffer(buf, sizeof buf, PL_origargv[0]); |
| 2211 | |
| 2212 | p = savepv(p); |
| 2213 | SAVEFREEPV(p); |
| 2214 | return p; |
| 2215 | } |
| 2216 | |
| 2217 | int |
| 2218 | Perl_OS2_handler_install(void *handler, enum Perlos2_handler how) |
| 2219 | { |
| 2220 | char *s, b[300]; |
| 2221 | |
| 2222 | switch (how) { |
| 2223 | case Perlos2_handler_mangle: |
| 2224 | perllib_mangle_installed = (char *(*)(char *s, unsigned int l))handler; |
| 2225 | return 1; |
| 2226 | case Perlos2_handler_perl_sh: |
| 2227 | s = (char *)handler; |
| 2228 | s = dir_subst(s, strlen(s), b, sizeof b, 0, "handler_perl_sh"); |
| 2229 | perl_sh_installed = savepv(s); |
| 2230 | return 1; |
| 2231 | case Perlos2_handler_perllib_from: |
| 2232 | s = (char *)handler; |
| 2233 | s = dir_subst(s, strlen(s), b, sizeof b, 0, "handler_perllib_from"); |
| 2234 | oldl = strlen(s); |
| 2235 | oldp = savepv(s); |
| 2236 | return 1; |
| 2237 | case Perlos2_handler_perllib_to: |
| 2238 | s = (char *)handler; |
| 2239 | s = dir_subst(s, strlen(s), b, sizeof b, 0, "handler_perllib_to"); |
| 2240 | newl = strlen(s); |
| 2241 | newp = savepv(s); |
| 2242 | strcpy(mangle_ret, newp); |
| 2243 | s = mangle_ret - 1; |
| 2244 | while (*++s) |
| 2245 | if (*s == '\\') |
| 2246 | *s = '/'; |
| 2247 | return 1; |
| 2248 | default: |
| 2249 | return 0; |
| 2250 | } |
| 2251 | } |
| 2252 | |
| 2253 | /* Returns a malloc()ed copy */ |
| 2254 | char * |
| 2255 | dir_subst(char *s, unsigned int l, char *b, unsigned int bl, enum dir_subst_e flags, char *msg) |
| 2256 | { |
| 2257 | char *from, *to = b, *e = b; /* `to' assignment: shut down the warning */ |
| 2258 | STRLEN froml = 0, tol = 0, rest = 0; /* froml: likewise */ |
| 2259 | |
| 2260 | if (l >= 2 && s[0] == '~') { |
| 2261 | switch (s[1]) { |
| 2262 | case 'i': case 'I': |
| 2263 | from = "installprefix"; break; |
| 2264 | case 'd': case 'D': |
| 2265 | from = "dll"; break; |
| 2266 | case 'e': case 'E': |
| 2267 | from = "exe"; break; |
| 2268 | default: |
| 2269 | from = NULL; |
| 2270 | froml = l + 1; /* Will not match */ |
| 2271 | break; |
| 2272 | } |
| 2273 | if (from) |
| 2274 | froml = strlen(from) + 1; |
| 2275 | if (l >= froml && strnicmp(s + 2, from + 1, froml - 2) == 0) { |
| 2276 | int strip = 1; |
| 2277 | |
| 2278 | switch (s[1]) { |
| 2279 | case 'i': case 'I': |
| 2280 | strip = 0; |
| 2281 | tol = strlen(INSTALL_PREFIX); |
| 2282 | if (tol >= bl) { |
| 2283 | if (flags & dir_subst_fatal) |
| 2284 | Perl_croak_nocontext("INSTALL_PREFIX too long: `%s'", INSTALL_PREFIX); |
| 2285 | else |
| 2286 | return NULL; |
| 2287 | } |
| 2288 | memcpy(b, INSTALL_PREFIX, tol + 1); |
| 2289 | to = b; |
| 2290 | e = b + tol; |
| 2291 | break; |
| 2292 | case 'd': case 'D': |
| 2293 | if (flags & dir_subst_fatal) { |
| 2294 | dTHX; |
| 2295 | |
| 2296 | to = dllname2buffer(aTHX_ b, bl); |
| 2297 | } else { /* No Perl present yet */ |
| 2298 | HMODULE self = find_myself(); |
| 2299 | APIRET rc = DosQueryModuleName(self, bl, b); |
| 2300 | |
| 2301 | if (rc) |
| 2302 | return 0; |
| 2303 | to = b - 1; |
| 2304 | while (*++to) |
| 2305 | if (*to == '\\') |
| 2306 | *to = '/'; |
| 2307 | to = b; |
| 2308 | } |
| 2309 | break; |
| 2310 | case 'e': case 'E': |
| 2311 | if (flags & dir_subst_fatal) { |
| 2312 | dTHX; |
| 2313 | |
| 2314 | to = execname2buffer(b, bl, PL_origargv[0]); |
| 2315 | } else |
| 2316 | to = execname2buffer(b, bl, NULL); |
| 2317 | break; |
| 2318 | } |
| 2319 | if (!to) |
| 2320 | return NULL; |
| 2321 | if (strip) { |
| 2322 | e = strrchr(to, '/'); |
| 2323 | if (!e && (flags & dir_subst_fatal)) |
| 2324 | Perl_croak_nocontext("%s: Can't parse EXE/DLL name: '%s'", msg, to); |
| 2325 | else if (!e) |
| 2326 | return NULL; |
| 2327 | *e = 0; |
| 2328 | } |
| 2329 | s += froml; l -= froml; |
| 2330 | if (!l) |
| 2331 | return to; |
| 2332 | if (!tol) |
| 2333 | tol = strlen(to); |
| 2334 | |
| 2335 | while (l >= 3 && (s[0] == '/' || s[0] == '\\') |
| 2336 | && s[1] == '.' && s[2] == '.' |
| 2337 | && (l == 3 || s[3] == '/' || s[3] == '\\' || s[3] == ';')) { |
| 2338 | e = strrchr(b, '/'); |
| 2339 | if (!e && (flags & dir_subst_fatal)) |
| 2340 | Perl_croak_nocontext("%s: Error stripping dirs from EXE/DLL/INSTALLDIR name", msg); |
| 2341 | else if (!e) |
| 2342 | return NULL; |
| 2343 | *e = 0; |
| 2344 | l -= 3; s += 3; |
| 2345 | } |
| 2346 | if (l && s[0] != '/' && s[0] != '\\' && s[0] != ';') |
| 2347 | *e++ = '/'; |
| 2348 | } |
| 2349 | } /* Else: copy as is */ |
| 2350 | if (l && (flags & dir_subst_pathlike)) { |
| 2351 | STRLEN i = 0; |
| 2352 | |
| 2353 | while ( i < l - 2 && s[i] != ';') /* May have ~char after `;' */ |
| 2354 | i++; |
| 2355 | if (i < l - 2) { /* Found */ |
| 2356 | rest = l - i - 1; |
| 2357 | l = i + 1; |
| 2358 | } |
| 2359 | } |
| 2360 | if (e + l >= b + bl) { |
| 2361 | if (flags & dir_subst_fatal) |
| 2362 | Perl_croak_nocontext("%s: name `%s%s' too long", msg, b, s); |
| 2363 | else |
| 2364 | return NULL; |
| 2365 | } |
| 2366 | memcpy(e, s, l); |
| 2367 | if (rest) { |
| 2368 | e = dir_subst(s + l, rest, e + l, bl - (e + l - b), flags, msg); |
| 2369 | return e ? b : e; |
| 2370 | } |
| 2371 | e[l] = 0; |
| 2372 | return b; |
| 2373 | } |
| 2374 | |
| 2375 | char * |
| 2376 | perllib_mangle_with(char *s, unsigned int l, char *from, unsigned int froml, char *to, unsigned int tol) |
| 2377 | { |
| 2378 | if (!to) |
| 2379 | return s; |
| 2380 | if (l == 0) |
| 2381 | l = strlen(s); |
| 2382 | if (l < froml || strnicmp(from, s, froml) != 0) |
| 2383 | return s; |
| 2384 | if (l + tol - froml > STATIC_FILE_LENGTH || tol > STATIC_FILE_LENGTH) |
| 2385 | Perl_croak_nocontext("Malformed PERLLIB_PREFIX"); |
| 2386 | if (to && to != mangle_ret) |
| 2387 | memcpy(mangle_ret, to, tol); |
| 2388 | strcpy(mangle_ret + tol, s + froml); |
| 2389 | return mangle_ret; |
| 2390 | } |
| 2391 | |
| 2392 | char * |
| 2393 | perllib_mangle(char *s, unsigned int l) |
| 2394 | { |
| 2395 | char *name; |
| 2396 | |
| 2397 | if (perllib_mangle_installed && (name = perllib_mangle_installed(s,l))) |
| 2398 | return name; |
| 2399 | if (!newp && !notfound) { |
| 2400 | newp = getenv(name = "PERLLIB_" STRINGIFY(PERL_REVISION) |
| 2401 | STRINGIFY(PERL_VERSION) STRINGIFY(PERL_SUBVERSION) |
| 2402 | "_PREFIX"); |
| 2403 | if (!newp) |
| 2404 | newp = getenv(name = "PERLLIB_" STRINGIFY(PERL_REVISION) |
| 2405 | STRINGIFY(PERL_VERSION) "_PREFIX"); |
| 2406 | if (!newp) |
| 2407 | newp = getenv(name = "PERLLIB_" STRINGIFY(PERL_REVISION) "_PREFIX"); |
| 2408 | if (!newp) |
| 2409 | newp = getenv(name = "PERLLIB_PREFIX"); |
| 2410 | if (newp) { |
| 2411 | char *s, b[300]; |
| 2412 | |
| 2413 | oldp = newp; |
| 2414 | while (*newp && !isSPACE(*newp) && *newp != ';') |
| 2415 | newp++; /* Skip old name. */ |
| 2416 | oldl = newp - oldp; |
| 2417 | s = dir_subst(oldp, oldl, b, sizeof b, dir_subst_fatal, name); |
| 2418 | oldp = savepv(s); |
| 2419 | oldl = strlen(s); |
| 2420 | while (*newp && (isSPACE(*newp) || *newp == ';')) |
| 2421 | newp++; /* Skip whitespace. */ |
| 2422 | Perl_OS2_handler_install((void *)newp, Perlos2_handler_perllib_to); |
| 2423 | if (newl == 0 || oldl == 0) |
| 2424 | Perl_croak_nocontext("Malformed %s", name); |
| 2425 | } else |
| 2426 | notfound = 1; |
| 2427 | } |
| 2428 | if (!newp) |
| 2429 | return s; |
| 2430 | if (l == 0) |
| 2431 | l = strlen(s); |
| 2432 | if (l < oldl || strnicmp(oldp, s, oldl) != 0) |
| 2433 | return s; |
| 2434 | if (l + newl - oldl > STATIC_FILE_LENGTH || newl > STATIC_FILE_LENGTH) |
| 2435 | Perl_croak_nocontext("Malformed PERLLIB_PREFIX"); |
| 2436 | strcpy(mangle_ret + newl, s + oldl); |
| 2437 | return mangle_ret; |
| 2438 | } |
| 2439 | |
| 2440 | unsigned long |
| 2441 | Perl_hab_GET() /* Needed if perl.h cannot be included */ |
| 2442 | { |
| 2443 | return perl_hab_GET(); |
| 2444 | } |
| 2445 | |
| 2446 | static void |
| 2447 | Create_HMQ(int serve, char *message) /* Assumes morphing */ |
| 2448 | { |
| 2449 | unsigned fpflag = _control87(0,0); |
| 2450 | |
| 2451 | init_PMWIN_entries(); |
| 2452 | /* 64 messages if before OS/2 3.0, ignored otherwise */ |
| 2453 | Perl_hmq = (*PMWIN_entries.CreateMsgQueue)(perl_hab_GET(), 64); |
| 2454 | if (!Perl_hmq) { |
| 2455 | dTHX; |
| 2456 | |
| 2457 | SAVEINT(rmq_cnt); /* Allow catch()ing. */ |
| 2458 | if (rmq_cnt++) |
| 2459 | _exit(188); /* Panic can try to create a window. */ |
| 2460 | CroakWinError(1, message ? message : "Cannot create a message queue"); |
| 2461 | } |
| 2462 | if (serve != -1) |
| 2463 | (*PMWIN_entries.CancelShutdown)(Perl_hmq, !serve); |
| 2464 | /* We may have loaded some modules */ |
| 2465 | _control87(fpflag, MCW_EM); /* Some modules reset FP flags on (un)load */ |
| 2466 | } |
| 2467 | |
| 2468 | #define REGISTERMQ_WILL_SERVE 1 |
| 2469 | #define REGISTERMQ_IMEDIATE_UNMORPH 2 |
| 2470 | |
| 2471 | HMQ |
| 2472 | Perl_Register_MQ(int serve) |
| 2473 | { |
| 2474 | if (Perl_hmq_refcnt <= 0) { |
| 2475 | PPIB pib; |
| 2476 | PTIB tib; |
| 2477 | |
| 2478 | Perl_hmq_refcnt = 0; /* Be extra safe */ |
| 2479 | DosGetInfoBlocks(&tib, &pib); |
| 2480 | if (!Perl_morph_refcnt) { |
| 2481 | Perl_os2_initial_mode = pib->pib_ultype; |
| 2482 | /* Try morphing into a PM application. */ |
| 2483 | if (pib->pib_ultype != 3) /* 2 is VIO */ |
| 2484 | pib->pib_ultype = 3; /* 3 is PM */ |
| 2485 | } |
| 2486 | Create_HMQ(-1, /* We do CancelShutdown ourselves */ |
| 2487 | "Cannot create a message queue, or morph to a PM application"); |
| 2488 | if ((serve & REGISTERMQ_IMEDIATE_UNMORPH)) { |
| 2489 | if (!Perl_morph_refcnt && Perl_os2_initial_mode != 3) |
| 2490 | pib->pib_ultype = Perl_os2_initial_mode; |
| 2491 | } |
| 2492 | } |
| 2493 | if (serve & REGISTERMQ_WILL_SERVE) { |
| 2494 | if ( Perl_hmq_servers <= 0 /* Safe to inform us on shutdown, */ |
| 2495 | && Perl_hmq_refcnt > 0 ) /* this was switched off before... */ |
| 2496 | (*PMWIN_entries.CancelShutdown)(Perl_hmq, 0); |
| 2497 | Perl_hmq_servers++; |
| 2498 | } else if (!Perl_hmq_servers) /* Do not inform us on shutdown */ |
| 2499 | (*PMWIN_entries.CancelShutdown)(Perl_hmq, 1); |
| 2500 | Perl_hmq_refcnt++; |
| 2501 | if (!(serve & REGISTERMQ_IMEDIATE_UNMORPH)) |
| 2502 | Perl_morph_refcnt++; |
| 2503 | return Perl_hmq; |
| 2504 | } |
| 2505 | |
| 2506 | int |
| 2507 | Perl_Serve_Messages(int force) |
| 2508 | { |
| 2509 | int cnt = 0; |
| 2510 | QMSG msg; |
| 2511 | |
| 2512 | if (Perl_hmq_servers > 0 && !force) |
| 2513 | return 0; |
| 2514 | if (Perl_hmq_refcnt <= 0) |
| 2515 | Perl_croak_nocontext("No message queue"); |
| 2516 | while ((*PMWIN_entries.PeekMsg)(Perl_hab, &msg, NULLHANDLE, 0, 0, PM_REMOVE)) { |
| 2517 | cnt++; |
| 2518 | if (msg.msg == WM_QUIT) |
| 2519 | Perl_croak_nocontext("QUITing..."); |
| 2520 | (*PMWIN_entries.DispatchMsg)(Perl_hab, &msg); |
| 2521 | } |
| 2522 | return cnt; |
| 2523 | } |
| 2524 | |
| 2525 | int |
| 2526 | Perl_Process_Messages(int force, I32 *cntp) |
| 2527 | { |
| 2528 | QMSG msg; |
| 2529 | |
| 2530 | if (Perl_hmq_servers > 0 && !force) |
| 2531 | return 0; |
| 2532 | if (Perl_hmq_refcnt <= 0) |
| 2533 | Perl_croak_nocontext("No message queue"); |
| 2534 | while ((*PMWIN_entries.GetMsg)(Perl_hab, &msg, NULLHANDLE, 0, 0)) { |
| 2535 | if (cntp) |
| 2536 | (*cntp)++; |
| 2537 | (*PMWIN_entries.DispatchMsg)(Perl_hab, &msg); |
| 2538 | if (msg.msg == WM_DESTROY) |
| 2539 | return -1; |
| 2540 | if (msg.msg == WM_CREATE) |
| 2541 | return +1; |
| 2542 | } |
| 2543 | Perl_croak_nocontext("QUITing..."); |
| 2544 | } |
| 2545 | |
| 2546 | void |
| 2547 | Perl_Deregister_MQ(int serve) |
| 2548 | { |
| 2549 | if (serve & REGISTERMQ_WILL_SERVE) |
| 2550 | Perl_hmq_servers--; |
| 2551 | |
| 2552 | if (--Perl_hmq_refcnt <= 0) { |
| 2553 | unsigned fpflag = _control87(0,0); |
| 2554 | |
| 2555 | init_PMWIN_entries(); /* To be extra safe */ |
| 2556 | (*PMWIN_entries.DestroyMsgQueue)(Perl_hmq); |
| 2557 | Perl_hmq = 0; |
| 2558 | /* We may have (un)loaded some modules */ |
| 2559 | _control87(fpflag, MCW_EM); /* Some modules reset FP flags on (un)load */ |
| 2560 | } else if ((serve & REGISTERMQ_WILL_SERVE) && Perl_hmq_servers <= 0) |
| 2561 | (*PMWIN_entries.CancelShutdown)(Perl_hmq, 1); /* Last server exited */ |
| 2562 | if (!(serve & REGISTERMQ_IMEDIATE_UNMORPH) && (--Perl_morph_refcnt <= 0)) { |
| 2563 | /* Try morphing back from a PM application. */ |
| 2564 | PPIB pib; |
| 2565 | PTIB tib; |
| 2566 | |
| 2567 | DosGetInfoBlocks(&tib, &pib); |
| 2568 | if (pib->pib_ultype == 3) /* 3 is PM */ |
| 2569 | pib->pib_ultype = Perl_os2_initial_mode; |
| 2570 | else |
| 2571 | Perl_warn_nocontext("Unexpected program mode %d when morphing back from PM", |
| 2572 | pib->pib_ultype); |
| 2573 | } |
| 2574 | } |
| 2575 | |
| 2576 | #define sys_is_absolute(path) ( isALPHA((path)[0]) && (path)[1] == ':' \ |
| 2577 | && ((path)[2] == '/' || (path)[2] == '\\')) |
| 2578 | #define sys_is_rooted _fnisabs |
| 2579 | #define sys_is_relative _fnisrel |
| 2580 | #define current_drive _getdrive |
| 2581 | |
| 2582 | #undef chdir /* Was _chdir2. */ |
| 2583 | #define sys_chdir(p) (chdir(p) == 0) |
| 2584 | #define change_drive(d) (_chdrive(d), (current_drive() == toupper(d))) |
| 2585 | |
| 2586 | XS(XS_OS2_Error) |
| 2587 | { |
| 2588 | dXSARGS; |
| 2589 | if (items != 2) |
| 2590 | Perl_croak_nocontext("Usage: OS2::Error(harderr, exception)"); |
| 2591 | { |
| 2592 | int arg1 = SvIV(ST(0)); |
| 2593 | int arg2 = SvIV(ST(1)); |
| 2594 | int a = ((arg1 ? FERR_ENABLEHARDERR : FERR_DISABLEHARDERR) |
| 2595 | | (arg2 ? FERR_ENABLEEXCEPTION : FERR_DISABLEEXCEPTION)); |
| 2596 | int RETVAL = ((arg1 ? 1 : 0) | (arg2 ? 2 : 0)); |
| 2597 | unsigned long rc; |
| 2598 | |
| 2599 | if (CheckOSError(DosError(a))) |
| 2600 | Perl_croak_nocontext("DosError(%d) failed: %s", a, os2error(Perl_rc)); |
| 2601 | ST(0) = sv_newmortal(); |
| 2602 | if (DOS_harderr_state >= 0) |
| 2603 | sv_setiv(ST(0), DOS_harderr_state); |
| 2604 | DOS_harderr_state = RETVAL; |
| 2605 | } |
| 2606 | XSRETURN(1); |
| 2607 | } |
| 2608 | |
| 2609 | XS(XS_OS2_Errors2Drive) |
| 2610 | { |
| 2611 | dXSARGS; |
| 2612 | if (items != 1) |
| 2613 | Perl_croak_nocontext("Usage: OS2::Errors2Drive(drive)"); |
| 2614 | { |
| 2615 | STRLEN n_a; |
| 2616 | SV *sv = ST(0); |
| 2617 | int suppress = SvOK(sv); |
| 2618 | char *s = suppress ? SvPV(sv, n_a) : NULL; |
| 2619 | char drive = (s ? *s : 0); |
| 2620 | unsigned long rc; |
| 2621 | |
| 2622 | if (suppress && !isALPHA(drive)) |
| 2623 | Perl_croak_nocontext("Non-char argument '%c' to OS2::Errors2Drive()", drive); |
| 2624 | if (CheckOSError(DosSuppressPopUps((suppress |
| 2625 | ? SPU_ENABLESUPPRESSION |
| 2626 | : SPU_DISABLESUPPRESSION), |
| 2627 | drive))) |
| 2628 | Perl_croak_nocontext("DosSuppressPopUps(%c) failed: %s", drive, |
| 2629 | os2error(Perl_rc)); |
| 2630 | ST(0) = sv_newmortal(); |
| 2631 | if (DOS_suppression_state > 0) |
| 2632 | sv_setpvn(ST(0), &DOS_suppression_state, 1); |
| 2633 | else if (DOS_suppression_state == 0) |
| 2634 | sv_setpvn(ST(0), "", 0); |
| 2635 | DOS_suppression_state = drive; |
| 2636 | } |
| 2637 | XSRETURN(1); |
| 2638 | } |
| 2639 | |
| 2640 | int |
| 2641 | async_mssleep(ULONG ms, int switch_priority) { |
| 2642 | /* This is similar to DosSleep(), but has 8ms granularity in time-critical |
| 2643 | threads even on Warp3. */ |
| 2644 | HEV hevEvent1 = 0; /* Event semaphore handle */ |
| 2645 | HTIMER htimerEvent1 = 0; /* Timer handle */ |
| 2646 | APIRET rc = NO_ERROR; /* Return code */ |
| 2647 | int ret = 1; |
| 2648 | ULONG priority = 0, nesting; /* Shut down the warnings */ |
| 2649 | PPIB pib; |
| 2650 | PTIB tib; |
| 2651 | char *e = NULL; |
| 2652 | APIRET badrc; |
| 2653 | |
| 2654 | if (!(_emx_env & 0x200)) /* DOS */ |
| 2655 | return !_sleep2(ms); |
| 2656 | |
| 2657 | os2cp_croak(DosCreateEventSem(NULL, /* Unnamed */ |
| 2658 | &hevEvent1, /* Handle of semaphore returned */ |
| 2659 | DC_SEM_SHARED, /* Shared needed for DosAsyncTimer */ |
| 2660 | FALSE), /* Semaphore is in RESET state */ |
| 2661 | "DosCreateEventSem"); |
| 2662 | |
| 2663 | if (ms >= switch_priority) |
| 2664 | switch_priority = 0; |
| 2665 | if (switch_priority) { |
| 2666 | if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) |
| 2667 | switch_priority = 0; |
| 2668 | else { |
| 2669 | /* In Warp3, to switch scheduling to 8ms step, one needs to do |
| 2670 | DosAsyncTimer() in time-critical thread. On laters versions, |
| 2671 | more and more cases of wait-for-something are covered. |
| 2672 | |
| 2673 | It turns out that on Warp3fp42 it is the priority at the time |
| 2674 | of DosAsyncTimer() which matters. Let's hope that this works |
| 2675 | with later versions too... XXXX |
| 2676 | */ |
| 2677 | priority = (tib->tib_ptib2->tib2_ulpri); |
| 2678 | if ((priority & 0xFF00) == 0x0300) /* already time-critical */ |
| 2679 | switch_priority = 0; |
| 2680 | /* Make us time-critical. Just modifying TIB is not enough... */ |
| 2681 | /* tib->tib_ptib2->tib2_ulpri = 0x0300;*/ |
| 2682 | /* We do not want to run at high priority if a signal causes us |
| 2683 | to longjmp() out of this section... */ |
| 2684 | if (DosEnterMustComplete(&nesting)) |
| 2685 | switch_priority = 0; |
| 2686 | else |
| 2687 | DosSetPriority(PRTYS_THREAD, PRTYC_TIMECRITICAL, 0, 0); |
| 2688 | } |
| 2689 | } |
| 2690 | |
| 2691 | if ((badrc = DosAsyncTimer(ms, |
| 2692 | (HSEM) hevEvent1, /* Semaphore to post */ |
| 2693 | &htimerEvent1))) /* Timer handler (returned) */ |
| 2694 | e = "DosAsyncTimer"; |
| 2695 | |
| 2696 | if (switch_priority && tib->tib_ptib2->tib2_ulpri == 0x0300) { |
| 2697 | /* Nobody switched priority while we slept... Ignore errors... */ |
| 2698 | /* tib->tib_ptib2->tib2_ulpri = priority; */ /* Get back... */ |
| 2699 | if (!(rc = DosSetPriority(PRTYS_THREAD, (priority>>8) & 0xFF, 0, 0))) |
| 2700 | rc = DosSetPriority(PRTYS_THREAD, 0, priority & 0xFF, 0); |
| 2701 | } |
| 2702 | if (switch_priority) |
| 2703 | rc = DosExitMustComplete(&nesting); /* Ignore errors */ |
| 2704 | |
| 2705 | /* The actual blocking call is made with "normal" priority. This way we |
| 2706 | should not bother with DosSleep(0) etc. to compensate for us interrupting |
| 2707 | higher-priority threads. The goal is to prohibit the system spending too |
| 2708 | much time halt()ing, not to run us "no matter what". */ |
| 2709 | if (!e) /* Wait for AsyncTimer event */ |
| 2710 | badrc = DosWaitEventSem(hevEvent1, SEM_INDEFINITE_WAIT); |
| 2711 | |
| 2712 | if (e) ; /* Do nothing */ |
| 2713 | else if (badrc == ERROR_INTERRUPT) |
| 2714 | ret = 0; |
| 2715 | else if (badrc) |
| 2716 | e = "DosWaitEventSem"; |
| 2717 | if ((rc = DosCloseEventSem(hevEvent1)) && !e) { /* Get rid of semaphore */ |
| 2718 | e = "DosCloseEventSem"; |
| 2719 | badrc = rc; |
| 2720 | } |
| 2721 | if (e) |
| 2722 | os2cp_croak(badrc, e); |
| 2723 | return ret; |
| 2724 | } |
| 2725 | |
| 2726 | XS(XS_OS2_ms_sleep) /* for testing only... */ |
| 2727 | { |
| 2728 | dXSARGS; |
| 2729 | ULONG ms, lim; |
| 2730 | |
| 2731 | if (items > 2 || items < 1) |
| 2732 | Perl_croak_nocontext("Usage: OS2::ms_sleep(wait_ms [, high_priority_limit])"); |
| 2733 | ms = SvUV(ST(0)); |
| 2734 | lim = items > 1 ? SvUV(ST(1)) : ms + 1; |
| 2735 | async_mssleep(ms, lim); |
| 2736 | XSRETURN_YES; |
| 2737 | } |
| 2738 | |
| 2739 | ULONG (*pDosTmrQueryFreq) (PULONG); |
| 2740 | ULONG (*pDosTmrQueryTime) (unsigned long long *); |
| 2741 | |
| 2742 | XS(XS_OS2_Timer) |
| 2743 | { |
| 2744 | dXSARGS; |
| 2745 | static ULONG freq; |
| 2746 | unsigned long long count; |
| 2747 | ULONG rc; |
| 2748 | |
| 2749 | if (items != 0) |
| 2750 | Perl_croak_nocontext("Usage: OS2::Timer()"); |
| 2751 | if (!freq) { |
| 2752 | *(PFN*)&pDosTmrQueryFreq = loadByOrdinal(ORD_DosTmrQueryFreq, 0); |
| 2753 | *(PFN*)&pDosTmrQueryTime = loadByOrdinal(ORD_DosTmrQueryTime, 0); |
| 2754 | MUTEX_LOCK(&perlos2_state_mutex); |
| 2755 | if (!freq) |
| 2756 | if (CheckOSError(pDosTmrQueryFreq(&freq))) |
| 2757 | croak_with_os2error("DosTmrQueryFreq"); |
| 2758 | MUTEX_UNLOCK(&perlos2_state_mutex); |
| 2759 | } |
| 2760 | if (CheckOSError(pDosTmrQueryTime(&count))) |
| 2761 | croak_with_os2error("DosTmrQueryTime"); |
| 2762 | { |
| 2763 | dXSTARG; |
| 2764 | |
| 2765 | XSprePUSH; PUSHn(((NV)count)/freq); |
| 2766 | } |
| 2767 | XSRETURN(1); |
| 2768 | } |
| 2769 | |
| 2770 | XS(XS_OS2_msCounter) |
| 2771 | { |
| 2772 | dXSARGS; |
| 2773 | |
| 2774 | if (items != 0) |
| 2775 | Perl_croak_nocontext("Usage: OS2::msCounter()"); |
| 2776 | { |
| 2777 | dXSTARG; |
| 2778 | |
| 2779 | XSprePUSH; PUSHu(msCounter()); |
| 2780 | } |
| 2781 | XSRETURN(1); |
| 2782 | } |
| 2783 | |
| 2784 | XS(XS_OS2__InfoTable) |
| 2785 | { |
| 2786 | dXSARGS; |
| 2787 | int is_local = 0; |
| 2788 | |
| 2789 | if (items > 1) |
| 2790 | Perl_croak_nocontext("Usage: OS2::_infoTable([isLocal])"); |
| 2791 | if (items == 1) |
| 2792 | is_local = (int)SvIV(ST(0)); |
| 2793 | { |
| 2794 | dXSTARG; |
| 2795 | |
| 2796 | XSprePUSH; PUSHu(InfoTable(is_local)); |
| 2797 | } |
| 2798 | XSRETURN(1); |
| 2799 | } |
| 2800 | |
| 2801 | static const char * const dc_fields[] = { |
| 2802 | "FAMILY", |
| 2803 | "IO_CAPS", |
| 2804 | "TECHNOLOGY", |
| 2805 | "DRIVER_VERSION", |
| 2806 | "WIDTH", |
| 2807 | "HEIGHT", |
| 2808 | "WIDTH_IN_CHARS", |
| 2809 | "HEIGHT_IN_CHARS", |
| 2810 | "HORIZONTAL_RESOLUTION", |
| 2811 | "VERTICAL_RESOLUTION", |
| 2812 | "CHAR_WIDTH", |
| 2813 | "CHAR_HEIGHT", |
| 2814 | "SMALL_CHAR_WIDTH", |
| 2815 | "SMALL_CHAR_HEIGHT", |
| 2816 | "COLORS", |
| 2817 | "COLOR_PLANES", |
| 2818 | "COLOR_BITCOUNT", |
| 2819 | "COLOR_TABLE_SUPPORT", |
| 2820 | "MOUSE_BUTTONS", |
| 2821 | "FOREGROUND_MIX_SUPPORT", |
| 2822 | "BACKGROUND_MIX_SUPPORT", |
| 2823 | "VIO_LOADABLE_FONTS", |
| 2824 | "WINDOW_BYTE_ALIGNMENT", |
| 2825 | "BITMAP_FORMATS", |
| 2826 | "RASTER_CAPS", |
| 2827 | "MARKER_HEIGHT", |
| 2828 | "MARKER_WIDTH", |
| 2829 | "DEVICE_FONTS", |
| 2830 | "GRAPHICS_SUBSET", |
| 2831 | "GRAPHICS_VERSION", |
| 2832 | "GRAPHICS_VECTOR_SUBSET", |
| 2833 | "DEVICE_WINDOWING", |
| 2834 | "ADDITIONAL_GRAPHICS", |
| 2835 | "PHYS_COLORS", |
| 2836 | "COLOR_INDEX", |
| 2837 | "GRAPHICS_CHAR_WIDTH", |
| 2838 | "GRAPHICS_CHAR_HEIGHT", |
| 2839 | "HORIZONTAL_FONT_RES", |
| 2840 | "VERTICAL_FONT_RES", |
| 2841 | "DEVICE_FONT_SIM", |
| 2842 | "LINEWIDTH_THICK", |
| 2843 | "DEVICE_POLYSET_POINTS", |
| 2844 | }; |
| 2845 | |
| 2846 | enum { |
| 2847 | DevCap_dc, DevCap_hwnd |
| 2848 | }; |
| 2849 | |
| 2850 | HDC (*pWinOpenWindowDC) (HWND hwnd); |
| 2851 | HMF (*pDevCloseDC) (HDC hdc); |
| 2852 | HDC (*pDevOpenDC) (HAB hab, LONG lType, PCSZ pszToken, LONG lCount, |
| 2853 | PDEVOPENDATA pdopData, HDC hdcComp); |
| 2854 | BOOL (*pDevQueryCaps) (HDC hdc, LONG lStart, LONG lCount, PLONG alArray); |
| 2855 | |
| 2856 | |
| 2857 | XS(XS_OS2_DevCap) |
| 2858 | { |
| 2859 | dXSARGS; |
| 2860 | if (items > 2) |
| 2861 | Perl_croak_nocontext("Usage: OS2::DevCap()"); |
| 2862 | { |
| 2863 | /* Device Capabilities Data Buffer (10 extra w.r.t. Warp 4.5) */ |
| 2864 | LONG si[CAPS_DEVICE_POLYSET_POINTS - CAPS_FAMILY + 1]; |
| 2865 | int i = 0, j = 0, how = DevCap_dc; |
| 2866 | HDC hScreenDC; |
| 2867 | DEVOPENSTRUC doStruc= {0L, (PSZ)"DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; |
| 2868 | ULONG rc1 = NO_ERROR; |
| 2869 | HWND hwnd; |
| 2870 | static volatile int devcap_loaded; |
| 2871 | |
| 2872 | if (!devcap_loaded) { |
| 2873 | *(PFN*)&pWinOpenWindowDC = loadByOrdinal(ORD_WinOpenWindowDC, 0); |
| 2874 | *(PFN*)&pDevOpenDC = loadByOrdinal(ORD_DevOpenDC, 0); |
| 2875 | *(PFN*)&pDevCloseDC = loadByOrdinal(ORD_DevCloseDC, 0); |
| 2876 | *(PFN*)&pDevQueryCaps = loadByOrdinal(ORD_DevQueryCaps, 0); |
| 2877 | devcap_loaded = 1; |
| 2878 | } |
| 2879 | |
| 2880 | if (items >= 2) |
| 2881 | how = SvIV(ST(1)); |
| 2882 | if (!items) { /* Get device contents from PM */ |
| 2883 | hScreenDC = pDevOpenDC(perl_hab_GET(), OD_MEMORY, (PSZ)"*", 0, |
| 2884 | (PDEVOPENDATA)&doStruc, NULLHANDLE); |
| 2885 | if (CheckWinError(hScreenDC)) |
| 2886 | croak_with_os2error("DevOpenDC() failed"); |
| 2887 | } else if (how == DevCap_dc) |
| 2888 | hScreenDC = (HDC)SvIV(ST(0)); |
| 2889 | else { /* DevCap_hwnd */ |
| 2890 | if (!Perl_hmq) |
| 2891 | Perl_croak(aTHX_ "Getting a window's device context without a message queue would lock PM"); |
| 2892 | hwnd = (HWND)SvIV(ST(0)); |
| 2893 | hScreenDC = pWinOpenWindowDC(hwnd); /* No need to DevCloseDC() */ |
| 2894 | if (CheckWinError(hScreenDC)) |
| 2895 | croak_with_os2error("WinOpenWindowDC() failed"); |
| 2896 | } |
| 2897 | if (CheckWinError(pDevQueryCaps(hScreenDC, |
| 2898 | CAPS_FAMILY, /* W3 documented caps */ |
| 2899 | CAPS_DEVICE_POLYSET_POINTS |
| 2900 | - CAPS_FAMILY + 1, |
| 2901 | si))) |
| 2902 | rc1 = Perl_rc; |
| 2903 | else { |
| 2904 | EXTEND(SP,2*(CAPS_DEVICE_POLYSET_POINTS - CAPS_FAMILY + 1)); |
| 2905 | while (i < CAPS_DEVICE_POLYSET_POINTS - CAPS_FAMILY + 1) { |
| 2906 | ST(j) = sv_newmortal(); |
| 2907 | sv_setpv(ST(j++), dc_fields[i]); |
| 2908 | ST(j) = sv_newmortal(); |
| 2909 | sv_setiv(ST(j++), si[i]); |
| 2910 | i++; |
| 2911 | } |
| 2912 | i = CAPS_DEVICE_POLYSET_POINTS + 1; |
| 2913 | while (i < CAPS_DEVICE_POLYSET_POINTS + 11) { /* Just in case... */ |
| 2914 | LONG l; |
| 2915 | |
| 2916 | if (CheckWinError(pDevQueryCaps(hScreenDC, i, 1, &l))) |
| 2917 | break; |
| 2918 | EXTEND(SP, j + 2); |
| 2919 | ST(j) = sv_newmortal(); |
| 2920 | sv_setiv(ST(j++), i); |
| 2921 | ST(j) = sv_newmortal(); |
| 2922 | sv_setiv(ST(j++), l); |
| 2923 | i++; |
| 2924 | } |
| 2925 | } |
| 2926 | if (!items && CheckWinError(pDevCloseDC(hScreenDC))) |
| 2927 | Perl_warn_nocontext("DevCloseDC() failed: %s", os2error(Perl_rc)); |
| 2928 | if (rc1) |
| 2929 | Perl_rc = rc1, croak_with_os2error("DevQueryCaps() failed"); |
| 2930 | XSRETURN(j); |
| 2931 | } |
| 2932 | } |
| 2933 | |
| 2934 | LONG (*pWinQuerySysValue) (HWND hwndDesktop, LONG iSysValue); |
| 2935 | BOOL (*pWinSetSysValue) (HWND hwndDesktop, LONG iSysValue, LONG lValue); |
| 2936 | |
| 2937 | const char * const sv_keys[] = { |
| 2938 | "SWAPBUTTON", |
| 2939 | "DBLCLKTIME", |
| 2940 | "CXDBLCLK", |
| 2941 | "CYDBLCLK", |
| 2942 | "CXSIZEBORDER", |
| 2943 | "CYSIZEBORDER", |
| 2944 | "ALARM", |
| 2945 | "7", |
| 2946 | "8", |
| 2947 | "CURSORRATE", |
| 2948 | "FIRSTSCROLLRATE", |
| 2949 | "SCROLLRATE", |
| 2950 | "NUMBEREDLISTS", |
| 2951 | "WARNINGFREQ", |
| 2952 | "NOTEFREQ", |
| 2953 | "ERRORFREQ", |
| 2954 | "WARNINGDURATION", |
| 2955 | "NOTEDURATION", |
| 2956 | "ERRORDURATION", |
| 2957 | "19", |
| 2958 | "CXSCREEN", |
| 2959 | "CYSCREEN", |
| 2960 | "CXVSCROLL", |
| 2961 | "CYHSCROLL", |
| 2962 | "CYVSCROLLARROW", |
| 2963 | "CXHSCROLLARROW", |
| 2964 | "CXBORDER", |
| 2965 | "CYBORDER", |
| 2966 | "CXDLGFRAME", |
| 2967 | "CYDLGFRAME", |
| 2968 | "CYTITLEBAR", |
| 2969 | "CYVSLIDER", |
| 2970 | "CXHSLIDER", |
| 2971 | "CXMINMAXBUTTON", |
| 2972 | "CYMINMAXBUTTON", |
| 2973 | "CYMENU", |
| 2974 | "CXFULLSCREEN", |
| 2975 | "CYFULLSCREEN", |
| 2976 | "CXICON", |
| 2977 | "CYICON", |
| 2978 | "CXPOINTER", |
| 2979 | "CYPOINTER", |
| 2980 | "DEBUG", |
| 2981 | "CPOINTERBUTTONS", |
| 2982 | "POINTERLEVEL", |
| 2983 | "CURSORLEVEL", |
| 2984 | "TRACKRECTLEVEL", |
| 2985 | "CTIMERS", |
| 2986 | "MOUSEPRESENT", |
| 2987 | "CXALIGN", |
| 2988 | "CYALIGN", |
| 2989 | "DESKTOPWORKAREAYTOP", |
| 2990 | "DESKTOPWORKAREAYBOTTOM", |
| 2991 | "DESKTOPWORKAREAXRIGHT", |
| 2992 | "DESKTOPWORKAREAXLEFT", |
| 2993 | "55", |
| 2994 | "NOTRESERVED", |
| 2995 | "EXTRAKEYBEEP", |
| 2996 | "SETLIGHTS", |
| 2997 | "INSERTMODE", |
| 2998 | "60", |
| 2999 | "61", |
| 3000 | "62", |
| 3001 | "63", |
| 3002 | "MENUROLLDOWNDELAY", |
| 3003 | "MENUROLLUPDELAY", |
| 3004 | "ALTMNEMONIC", |
| 3005 | "TASKLISTMOUSEACCESS", |
| 3006 | "CXICONTEXTWIDTH", |
| 3007 | "CICONTEXTLINES", |
| 3008 | "CHORDTIME", |
| 3009 | "CXCHORD", |
| 3010 | "CYCHORD", |
| 3011 | "CXMOTIONSTART", |
| 3012 | "CYMOTIONSTART", |
| 3013 | "BEGINDRAG", |
| 3014 | "ENDDRAG", |
| 3015 | "SINGLESELECT", |
| 3016 | "OPEN", |
| 3017 | "CONTEXTMENU", |
| 3018 | "CONTEXTHELP", |
| 3019 | "TEXTEDIT", |
| 3020 | "BEGINSELECT", |
| 3021 | "ENDSELECT", |
| 3022 | "BEGINDRAGKB", |
| 3023 | "ENDDRAGKB", |
| 3024 | "SELECTKB", |
| 3025 | "OPENKB", |
| 3026 | "CONTEXTMENUKB", |
| 3027 | "CONTEXTHELPKB", |
| 3028 | "TEXTEDITKB", |
| 3029 | "BEGINSELECTKB", |
| 3030 | "ENDSELECTKB", |
| 3031 | "ANIMATION", |
| 3032 | "ANIMATIONSPEED", |
| 3033 | "MONOICONS", |
| 3034 | "KBDALTERED", |
| 3035 | "PRINTSCREEN", /* 97, the last one on one of the DDK header */ |
| 3036 | "LOCKSTARTINPUT", |
| 3037 | "DYNAMICDRAG", |
| 3038 | "100", |
| 3039 | "101", |
| 3040 | "102", |
| 3041 | "103", |
| 3042 | "104", |
| 3043 | "105", |
| 3044 | "106", |
| 3045 | "107", |
| 3046 | /* "CSYSVALUES",*/ |
| 3047 | /* In recent DDK the limit is 108 */ |
| 3048 | }; |
| 3049 | |
| 3050 | XS(XS_OS2_SysValues) |
| 3051 | { |
| 3052 | dXSARGS; |
| 3053 | if (items > 2) |
| 3054 | Perl_croak_nocontext("Usage: OS2::SysValues(which = -1, hwndDesktop = HWND_DESKTOP)"); |
| 3055 | { |
| 3056 | int i = 0, j = 0, which = -1; |
| 3057 | HWND hwnd = HWND_DESKTOP; |
| 3058 | static volatile int sv_loaded; |
| 3059 | LONG RETVAL; |
| 3060 | |
| 3061 | if (!sv_loaded) { |
| 3062 | *(PFN*)&pWinQuerySysValue = loadByOrdinal(ORD_WinQuerySysValue, 0); |
| 3063 | sv_loaded = 1; |
| 3064 | } |
| 3065 | |
| 3066 | if (items == 2) |
| 3067 | hwnd = (HWND)SvIV(ST(1)); |
| 3068 | if (items >= 1) |
| 3069 | which = (int)SvIV(ST(0)); |
| 3070 | if (which == -1) { |
| 3071 | EXTEND(SP,2*C_ARRAY_LENGTH(sv_keys)); |
| 3072 | while (i < C_ARRAY_LENGTH(sv_keys)) { |
| 3073 | ResetWinError(); |
| 3074 | RETVAL = pWinQuerySysValue(hwnd, i); |
| 3075 | if ( !RETVAL |
| 3076 | && !(sv_keys[i][0] >= '0' && sv_keys[i][0] <= '9' |
| 3077 | && i <= SV_PRINTSCREEN) ) { |
| 3078 | FillWinError; |
| 3079 | if (Perl_rc) { |
| 3080 | if (i > SV_PRINTSCREEN) |
| 3081 | break; /* May be not present on older systems */ |
| 3082 | croak_with_os2error("SysValues():"); |
| 3083 | } |
| 3084 | |
| 3085 | } |
| 3086 | ST(j) = sv_newmortal(); |
| 3087 | sv_setpv(ST(j++), sv_keys[i]); |
| 3088 | ST(j) = sv_newmortal(); |
| 3089 | sv_setiv(ST(j++), RETVAL); |
| 3090 | i++; |
| 3091 | } |
| 3092 | XSRETURN(2 * i); |
| 3093 | } else { |
| 3094 | dXSTARG; |
| 3095 | |
| 3096 | ResetWinError(); |
| 3097 | RETVAL = pWinQuerySysValue(hwnd, which); |
| 3098 | if (!RETVAL) { |
| 3099 | FillWinError; |
| 3100 | if (Perl_rc) |
| 3101 | croak_with_os2error("SysValues():"); |
| 3102 | } |
| 3103 | XSprePUSH; PUSHi((IV)RETVAL); |
| 3104 | } |
| 3105 | } |
| 3106 | } |
| 3107 | |
| 3108 | XS(XS_OS2_SysValues_set) |
| 3109 | { |
| 3110 | dXSARGS; |
| 3111 | if (items < 2 || items > 3) |
| 3112 | Perl_croak_nocontext("Usage: OS2::SysValues_set(which, val, hwndDesktop = HWND_DESKTOP)"); |
| 3113 | { |
| 3114 | int which = (int)SvIV(ST(0)); |
| 3115 | LONG val = (LONG)SvIV(ST(1)); |
| 3116 | HWND hwnd = HWND_DESKTOP; |
| 3117 | static volatile int svs_loaded; |
| 3118 | |
| 3119 | if (!svs_loaded) { |
| 3120 | *(PFN*)&pWinSetSysValue = loadByOrdinal(ORD_WinSetSysValue, 0); |
| 3121 | svs_loaded = 1; |
| 3122 | } |
| 3123 | |
| 3124 | if (items == 3) |
| 3125 | hwnd = (HWND)SvIV(ST(2)); |
| 3126 | if (CheckWinError(pWinSetSysValue(hwnd, which, val))) |
| 3127 | croak_with_os2error("SysValues_set()"); |
| 3128 | } |
| 3129 | XSRETURN_YES; |
| 3130 | } |
| 3131 | |
| 3132 | #define QSV_MAX_WARP3 QSV_MAX_COMP_LENGTH |
| 3133 | |
| 3134 | static const char * const si_fields[] = { |
| 3135 | "MAX_PATH_LENGTH", |
| 3136 | "MAX_TEXT_SESSIONS", |
| 3137 | "MAX_PM_SESSIONS", |
| 3138 | "MAX_VDM_SESSIONS", |
| 3139 | "BOOT_DRIVE", |
| 3140 | "DYN_PRI_VARIATION", |
| 3141 | "MAX_WAIT", |
| 3142 | "MIN_SLICE", |
| 3143 | "MAX_SLICE", |
| 3144 | "PAGE_SIZE", |
| 3145 | "VERSION_MAJOR", |
| 3146 | "VERSION_MINOR", |
| 3147 | "VERSION_REVISION", |
| 3148 | "MS_COUNT", |
| 3149 | "TIME_LOW", |
| 3150 | "TIME_HIGH", |
| 3151 | "TOTPHYSMEM", |
| 3152 | "TOTRESMEM", |
| 3153 | "TOTAVAILMEM", |
| 3154 | "MAXPRMEM", |
| 3155 | "MAXSHMEM", |
| 3156 | "TIMER_INTERVAL", |
| 3157 | "MAX_COMP_LENGTH", |
| 3158 | "FOREGROUND_FS_SESSION", |
| 3159 | "FOREGROUND_PROCESS", /* Warp 3 toolkit defines up to this */ |
| 3160 | "NUMPROCESSORS", |
| 3161 | "MAXHPRMEM", |
| 3162 | "MAXHSHMEM", |
| 3163 | "MAXPROCESSES", |
| 3164 | "VIRTUALADDRESSLIMIT", |
| 3165 | "INT10ENABLED", /* From $TOOLKIT-ddk\DDK\video\rel\os2c\include\base\os2\bsedos.h */ |
| 3166 | }; |
| 3167 | |
| 3168 | XS(XS_OS2_SysInfo) |
| 3169 | { |
| 3170 | dXSARGS; |
| 3171 | if (items != 0) |
| 3172 | Perl_croak_nocontext("Usage: OS2::SysInfo()"); |
| 3173 | { |
| 3174 | /* System Information Data Buffer (10 extra w.r.t. Warp 4.5) */ |
| 3175 | ULONG si[C_ARRAY_LENGTH(si_fields) + 10]; |
| 3176 | APIRET rc = NO_ERROR; /* Return code */ |
| 3177 | int i = 0, j = 0, last = QSV_MAX_WARP3; |
| 3178 | |
| 3179 | if (CheckOSError(DosQuerySysInfo(1L, /* Request documented system */ |
| 3180 | last, /* info for Warp 3 */ |
| 3181 | (PVOID)si, |
| 3182 | sizeof(si)))) |
| 3183 | croak_with_os2error("DosQuerySysInfo() failed"); |
| 3184 | while (++last <= C_ARRAY_LENGTH(si)) { |
| 3185 | if (CheckOSError(DosQuerySysInfo(last, last, /* One entry only */ |
| 3186 | (PVOID)(si+last-1), |
| 3187 | sizeof(*si)))) { |
| 3188 | if (Perl_rc != ERROR_INVALID_PARAMETER) |
| 3189 | croak_with_os2error("DosQuerySysInfo() failed"); |
| 3190 | break; |
| 3191 | } |
| 3192 | } |
| 3193 | last--; /* Count of successfully processed offsets */ |
| 3194 | EXTEND(SP,2*last); |
| 3195 | while (i < last) { |
| 3196 | ST(j) = sv_newmortal(); |
| 3197 | if (i < C_ARRAY_LENGTH(si_fields)) |
| 3198 | sv_setpv(ST(j++), si_fields[i]); |
| 3199 | else |
| 3200 | sv_setiv(ST(j++), i + 1); |
| 3201 | ST(j) = sv_newmortal(); |
| 3202 | sv_setuv(ST(j++), si[i]); |
| 3203 | i++; |
| 3204 | } |
| 3205 | XSRETURN(2 * last); |
| 3206 | } |
| 3207 | } |
| 3208 | |
| 3209 | XS(XS_OS2_SysInfoFor) |
| 3210 | { |
| 3211 | dXSARGS; |
| 3212 | int count = (items == 2 ? (int)SvIV(ST(1)) : 1); |
| 3213 | |
| 3214 | if (items < 1 || items > 2) |
| 3215 | Perl_croak_nocontext("Usage: OS2::SysInfoFor(id[,count])"); |
| 3216 | { |
| 3217 | /* System Information Data Buffer (10 extra w.r.t. Warp 4.5) */ |
| 3218 | ULONG si[C_ARRAY_LENGTH(si_fields) + 10]; |
| 3219 | APIRET rc = NO_ERROR; /* Return code */ |
| 3220 | int i = 0; |
| 3221 | int start = (int)SvIV(ST(0)); |
| 3222 | |
| 3223 | if (count > C_ARRAY_LENGTH(si) || count <= 0) |
| 3224 | Perl_croak(aTHX_ "unexpected count %d for OS2::SysInfoFor()", count); |
| 3225 | if (CheckOSError(DosQuerySysInfo(start, |
| 3226 | start + count - 1, |
| 3227 | (PVOID)si, |
| 3228 | sizeof(si)))) |
| 3229 | croak_with_os2error("DosQuerySysInfo() failed"); |
| 3230 | EXTEND(SP,count); |
| 3231 | while (i < count) { |
| 3232 | ST(i) = sv_newmortal(); |
| 3233 | sv_setiv(ST(i), si[i]); |
| 3234 | i++; |
| 3235 | } |
| 3236 | } |
| 3237 | XSRETURN(count); |
| 3238 | } |
| 3239 | |
| 3240 | XS(XS_OS2_BootDrive) |
| 3241 | { |
| 3242 | dXSARGS; |
| 3243 | if (items != 0) |
| 3244 | Perl_croak_nocontext("Usage: OS2::BootDrive()"); |
| 3245 | { |
| 3246 | ULONG si[1] = {0}; /* System Information Data Buffer */ |
| 3247 | APIRET rc = NO_ERROR; /* Return code */ |
| 3248 | char c; |
| 3249 | dXSTARG; |
| 3250 | |
| 3251 | if (CheckOSError(DosQuerySysInfo(QSV_BOOT_DRIVE, QSV_BOOT_DRIVE, |
| 3252 | (PVOID)si, sizeof(si)))) |
| 3253 | croak_with_os2error("DosQuerySysInfo() failed"); |
| 3254 | c = 'a' - 1 + si[0]; |
| 3255 | sv_setpvn(TARG, &c, 1); |
| 3256 | XSprePUSH; PUSHTARG; |
| 3257 | } |
| 3258 | XSRETURN(1); |
| 3259 | } |
| 3260 | |
| 3261 | XS(XS_OS2_Beep) |
| 3262 | { |
| 3263 | dXSARGS; |
| 3264 | if (items > 2) /* Defaults as for WinAlarm(ERROR) */ |
| 3265 | Perl_croak_nocontext("Usage: OS2::Beep(freq = 440, ms = 100)"); |
| 3266 | { |
| 3267 | ULONG freq = (items > 0 ? (ULONG)SvUV(ST(0)) : 440); |
| 3268 | ULONG ms = (items > 1 ? (ULONG)SvUV(ST(1)) : 100); |
| 3269 | ULONG rc; |
| 3270 | |
| 3271 | if (CheckOSError(DosBeep(freq, ms))) |
| 3272 | croak_with_os2error("SysValues_set()"); |
| 3273 | } |
| 3274 | XSRETURN_YES; |
| 3275 | } |
| 3276 | |
| 3277 | |
| 3278 | |
| 3279 | XS(XS_OS2_MorphPM) |
| 3280 | { |
| 3281 | dXSARGS; |
| 3282 | if (items != 1) |
| 3283 | Perl_croak_nocontext("Usage: OS2::MorphPM(serve)"); |
| 3284 | { |
| 3285 | bool serve = SvOK(ST(0)); |
| 3286 | unsigned long pmq = perl_hmq_GET(serve); |
| 3287 | dXSTARG; |
| 3288 | |
| 3289 | XSprePUSH; PUSHi((IV)pmq); |
| 3290 | } |
| 3291 | XSRETURN(1); |
| 3292 | } |
| 3293 | |
| 3294 | XS(XS_OS2_UnMorphPM) |
| 3295 | { |
| 3296 | dXSARGS; |
| 3297 | if (items != 1) |
| 3298 | Perl_croak_nocontext("Usage: OS2::UnMorphPM(serve)"); |
| 3299 | { |
| 3300 | bool serve = SvOK(ST(0)); |
| 3301 | |
| 3302 | perl_hmq_UNSET(serve); |
| 3303 | } |
| 3304 | XSRETURN(0); |
| 3305 | } |
| 3306 | |
| 3307 | XS(XS_OS2_Serve_Messages) |
| 3308 | { |
| 3309 | dXSARGS; |
| 3310 | if (items != 1) |
| 3311 | Perl_croak_nocontext("Usage: OS2::Serve_Messages(force)"); |
| 3312 | { |
| 3313 | bool force = SvOK(ST(0)); |
| 3314 | unsigned long cnt = Perl_Serve_Messages(force); |
| 3315 | dXSTARG; |
| 3316 | |
| 3317 | XSprePUSH; PUSHi((IV)cnt); |
| 3318 | } |
| 3319 | XSRETURN(1); |
| 3320 | } |
| 3321 | |
| 3322 | XS(XS_OS2_Process_Messages) |
| 3323 | { |
| 3324 | dXSARGS; |
| 3325 | if (items < 1 || items > 2) |
| 3326 | Perl_croak_nocontext("Usage: OS2::Process_Messages(force [, cnt])"); |
| 3327 | { |
| 3328 | bool force = SvOK(ST(0)); |
| 3329 | unsigned long cnt; |
| 3330 | dXSTARG; |
| 3331 | |
| 3332 | if (items == 2) { |
| 3333 | I32 cntr; |
| 3334 | SV *sv = ST(1); |
| 3335 | |
| 3336 | (void)SvIV(sv); /* Force SvIVX */ |
| 3337 | if (!SvIOK(sv)) |
| 3338 | Perl_croak_nocontext("Can't upgrade count to IV"); |
| 3339 | cntr = SvIVX(sv); |
| 3340 | cnt = Perl_Process_Messages(force, &cntr); |
| 3341 | SvIVX(sv) = cntr; |
| 3342 | } else { |
| 3343 | cnt = Perl_Process_Messages(force, NULL); |
| 3344 | } |
| 3345 | XSprePUSH; PUSHi((IV)cnt); |
| 3346 | } |
| 3347 | XSRETURN(1); |
| 3348 | } |
| 3349 | |
| 3350 | XS(XS_Cwd_current_drive) |
| 3351 | { |
| 3352 | dXSARGS; |
| 3353 | if (items != 0) |
| 3354 | Perl_croak_nocontext("Usage: Cwd::current_drive()"); |
| 3355 | { |
| 3356 | char RETVAL; |
| 3357 | dXSTARG; |
| 3358 | |
| 3359 | RETVAL = current_drive(); |
| 3360 | sv_setpvn(TARG, (char *)&RETVAL, 1); |
| 3361 | XSprePUSH; PUSHTARG; |
| 3362 | } |
| 3363 | XSRETURN(1); |
| 3364 | } |
| 3365 | |
| 3366 | XS(XS_Cwd_sys_chdir) |
| 3367 | { |
| 3368 | dXSARGS; |
| 3369 | if (items != 1) |
| 3370 | Perl_croak_nocontext("Usage: Cwd::sys_chdir(path)"); |
| 3371 | { |
| 3372 | STRLEN n_a; |
| 3373 | char * path = (char *)SvPV(ST(0),n_a); |
| 3374 | bool RETVAL; |
| 3375 | |
| 3376 | RETVAL = sys_chdir(path); |
| 3377 | ST(0) = boolSV(RETVAL); |
| 3378 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
| 3379 | } |
| 3380 | XSRETURN(1); |
| 3381 | } |
| 3382 | |
| 3383 | XS(XS_Cwd_change_drive) |
| 3384 | { |
| 3385 | dXSARGS; |
| 3386 | if (items != 1) |
| 3387 | Perl_croak_nocontext("Usage: Cwd::change_drive(d)"); |
| 3388 | { |
| 3389 | STRLEN n_a; |
| 3390 | char d = (char)*SvPV(ST(0),n_a); |
| 3391 | bool RETVAL; |
| 3392 | |
| 3393 | RETVAL = change_drive(d); |
| 3394 | ST(0) = boolSV(RETVAL); |
| 3395 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
| 3396 | } |
| 3397 | XSRETURN(1); |
| 3398 | } |
| 3399 | |
| 3400 | XS(XS_Cwd_sys_is_absolute) |
| 3401 | { |
| 3402 | dXSARGS; |
| 3403 | if (items != 1) |
| 3404 | Perl_croak_nocontext("Usage: Cwd::sys_is_absolute(path)"); |
| 3405 | { |
| 3406 | STRLEN n_a; |
| 3407 | char * path = (char *)SvPV(ST(0),n_a); |
| 3408 | bool RETVAL; |
| 3409 | |
| 3410 | RETVAL = sys_is_absolute(path); |
| 3411 | ST(0) = boolSV(RETVAL); |
| 3412 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
| 3413 | } |
| 3414 | XSRETURN(1); |
| 3415 | } |
| 3416 | |
| 3417 | XS(XS_Cwd_sys_is_rooted) |
| 3418 | { |
| 3419 | dXSARGS; |
| 3420 | if (items != 1) |
| 3421 | Perl_croak_nocontext("Usage: Cwd::sys_is_rooted(path)"); |
| 3422 | { |
| 3423 | STRLEN n_a; |
| 3424 | char * path = (char *)SvPV(ST(0),n_a); |
| 3425 | bool RETVAL; |
| 3426 | |
| 3427 | RETVAL = sys_is_rooted(path); |
| 3428 | ST(0) = boolSV(RETVAL); |
| 3429 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
| 3430 | } |
| 3431 | XSRETURN(1); |
| 3432 | } |
| 3433 | |
| 3434 | XS(XS_Cwd_sys_is_relative) |
| 3435 | { |
| 3436 | dXSARGS; |
| 3437 | if (items != 1) |
| 3438 | Perl_croak_nocontext("Usage: Cwd::sys_is_relative(path)"); |
| 3439 | { |
| 3440 | STRLEN n_a; |
| 3441 | char * path = (char *)SvPV(ST(0),n_a); |
| 3442 | bool RETVAL; |
| 3443 | |
| 3444 | RETVAL = sys_is_relative(path); |
| 3445 | ST(0) = boolSV(RETVAL); |
| 3446 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
| 3447 | } |
| 3448 | XSRETURN(1); |
| 3449 | } |
| 3450 | |
| 3451 | XS(XS_Cwd_sys_cwd) |
| 3452 | { |
| 3453 | dXSARGS; |
| 3454 | if (items != 0) |
| 3455 | Perl_croak_nocontext("Usage: Cwd::sys_cwd()"); |
| 3456 | { |
| 3457 | char p[MAXPATHLEN]; |
| 3458 | char * RETVAL; |
| 3459 | |
| 3460 | /* Can't use TARG, since tainting behaves differently */ |
| 3461 | RETVAL = _getcwd2(p, MAXPATHLEN); |
| 3462 | ST(0) = sv_newmortal(); |
| 3463 | sv_setpv(ST(0), RETVAL); |
| 3464 | #ifndef INCOMPLETE_TAINTS |
| 3465 | SvTAINTED_on(ST(0)); |
| 3466 | #endif |
| 3467 | } |
| 3468 | XSRETURN(1); |
| 3469 | } |
| 3470 | |
| 3471 | XS(XS_Cwd_sys_abspath) |
| 3472 | { |
| 3473 | dXSARGS; |
| 3474 | if (items > 2) |
| 3475 | Perl_croak_nocontext("Usage: Cwd::sys_abspath(path = '.', dir = NULL)"); |
| 3476 | { |
| 3477 | STRLEN n_a; |
| 3478 | char * path = items ? (char *)SvPV(ST(0),n_a) : "."; |
| 3479 | char * dir, *s, *t, *e; |
| 3480 | char p[MAXPATHLEN]; |
| 3481 | char * RETVAL; |
| 3482 | int l; |
| 3483 | SV *sv; |
| 3484 | |
| 3485 | if (items < 2) |
| 3486 | dir = NULL; |
| 3487 | else { |
| 3488 | dir = (char *)SvPV(ST(1),n_a); |
| 3489 | } |
| 3490 | if (path[0] == '.' && (path[1] == '/' || path[1] == '\\')) { |
| 3491 | path += 2; |
| 3492 | } |
| 3493 | if (dir == NULL) { |
| 3494 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
| 3495 | RETVAL = p; |
| 3496 | } else { |
| 3497 | RETVAL = NULL; |
| 3498 | } |
| 3499 | } else { |
| 3500 | /* Absolute with drive: */ |
| 3501 | if ( sys_is_absolute(path) ) { |
| 3502 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
| 3503 | RETVAL = p; |
| 3504 | } else { |
| 3505 | RETVAL = NULL; |
| 3506 | } |
| 3507 | } else if (path[0] == '/' || path[0] == '\\') { |
| 3508 | /* Rooted, but maybe on different drive. */ |
| 3509 | if (isALPHA(dir[0]) && dir[1] == ':' ) { |
| 3510 | char p1[MAXPATHLEN]; |
| 3511 | |
| 3512 | /* Need to prepend the drive. */ |
| 3513 | p1[0] = dir[0]; |
| 3514 | p1[1] = dir[1]; |
| 3515 | Copy(path, p1 + 2, strlen(path) + 1, char); |
| 3516 | RETVAL = p; |
| 3517 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
| 3518 | RETVAL = p; |
| 3519 | } else { |
| 3520 | RETVAL = NULL; |
| 3521 | } |
| 3522 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
| 3523 | RETVAL = p; |
| 3524 | } else { |
| 3525 | RETVAL = NULL; |
| 3526 | } |
| 3527 | } else { |
| 3528 | /* Either path is relative, or starts with a drive letter. */ |
| 3529 | /* If the path starts with a drive letter, then dir is |
| 3530 | relevant only if |
| 3531 | a/b) it is absolute/x:relative on the same drive. |
| 3532 | c) path is on current drive, and dir is rooted |
| 3533 | In all the cases it is safe to drop the drive part |
| 3534 | of the path. */ |
| 3535 | if ( !sys_is_relative(path) ) { |
| 3536 | if ( ( ( sys_is_absolute(dir) |
| 3537 | || (isALPHA(dir[0]) && dir[1] == ':' |
| 3538 | && strnicmp(dir, path,1) == 0)) |
| 3539 | && strnicmp(dir, path,1) == 0) |
| 3540 | || ( !(isALPHA(dir[0]) && dir[1] == ':') |
| 3541 | && toupper(path[0]) == current_drive())) { |
| 3542 | path += 2; |
| 3543 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
| 3544 | RETVAL = p; goto done; |
| 3545 | } else { |
| 3546 | RETVAL = NULL; goto done; |
| 3547 | } |
| 3548 | } |
| 3549 | { |
| 3550 | /* Need to prepend the absolute path of dir. */ |
| 3551 | char p1[MAXPATHLEN]; |
| 3552 | |
| 3553 | if (_abspath(p1, dir, MAXPATHLEN) == 0) { |
| 3554 | int l = strlen(p1); |
| 3555 | |
| 3556 | if (p1[ l - 1 ] != '/') { |
| 3557 | p1[ l ] = '/'; |
| 3558 | l++; |
| 3559 | } |
| 3560 | Copy(path, p1 + l, strlen(path) + 1, char); |
| 3561 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
| 3562 | RETVAL = p; |
| 3563 | } else { |
| 3564 | RETVAL = NULL; |
| 3565 | } |
| 3566 | } else { |
| 3567 | RETVAL = NULL; |
| 3568 | } |
| 3569 | } |
| 3570 | done: |
| 3571 | } |
| 3572 | } |
| 3573 | if (!RETVAL) |
| 3574 | XSRETURN_EMPTY; |
| 3575 | /* Backslashes are already converted to slashes. */ |
| 3576 | /* Remove trailing slashes */ |
| 3577 | l = strlen(RETVAL); |
| 3578 | while (l > 0 && RETVAL[l-1] == '/') |
| 3579 | l--; |
| 3580 | ST(0) = sv_newmortal(); |
| 3581 | sv_setpvn( sv = (SV*)ST(0), RETVAL, l); |
| 3582 | /* Remove duplicate slashes, skipping the first three, which |
| 3583 | may be parts of a server-based path */ |
| 3584 | s = t = 3 + SvPV_force(sv, n_a); |
| 3585 | e = SvEND(sv); |
| 3586 | /* Do not worry about multibyte chars here, this would contradict the |
| 3587 | eventual UTFization, and currently most other places break too... */ |
| 3588 | while (s < e) { |
| 3589 | if (s[0] == t[-1] && s[0] == '/') |
| 3590 | s++; /* Skip duplicate / */ |
| 3591 | else |
| 3592 | *t++ = *s++; |
| 3593 | } |
| 3594 | if (t < e) { |
| 3595 | *t = 0; |
| 3596 | SvCUR_set(sv, t - SvPVX(sv)); |
| 3597 | } |
| 3598 | #ifndef INCOMPLETE_TAINTS |
| 3599 | if (!items) |
| 3600 | SvTAINTED_on(ST(0)); |
| 3601 | #endif |
| 3602 | } |
| 3603 | XSRETURN(1); |
| 3604 | } |
| 3605 | typedef APIRET (*PELP)(PSZ path, ULONG type); |
| 3606 | |
| 3607 | /* Kernels after 2000/09/15 understand this too: */ |
| 3608 | #ifndef LIBPATHSTRICT |
| 3609 | # define LIBPATHSTRICT 3 |
| 3610 | #endif |
| 3611 | |
| 3612 | APIRET |
| 3613 | ExtLIBPATH(ULONG ord, PSZ path, IV type, int fatal) |
| 3614 | { |
| 3615 | ULONG what; |
| 3616 | PFN f = loadByOrdinal(ord, fatal); /* if fatal: load or die! */ |
| 3617 | |
| 3618 | if (!f) /* Impossible with fatal */ |
| 3619 | return Perl_rc; |
| 3620 | if (type > 0) |
| 3621 | what = END_LIBPATH; |
| 3622 | else if (type == 0) |
| 3623 | what = BEGIN_LIBPATH; |
| 3624 | else |
| 3625 | what = LIBPATHSTRICT; |
| 3626 | return (*(PELP)f)(path, what); |
| 3627 | } |
| 3628 | |
| 3629 | #define extLibpath(to,type, fatal) \ |
| 3630 | (CheckOSError(ExtLIBPATH(ORD_DosQueryExtLibpath, (to), (type), fatal)) ? NULL : (to) ) |
| 3631 | |
| 3632 | #define extLibpath_set(p,type, fatal) \ |
| 3633 | (!CheckOSError(ExtLIBPATH(ORD_DosSetExtLibpath, (p), (type), fatal))) |
| 3634 | |
| 3635 | static void |
| 3636 | early_error(char *msg1, char *msg2, char *msg3) |
| 3637 | { /* Buffer overflow detected; there is very little we can do... */ |
| 3638 | ULONG rc; |
| 3639 | |
| 3640 | DosWrite(2, msg1, strlen(msg1), &rc); |
| 3641 | DosWrite(2, msg2, strlen(msg2), &rc); |
| 3642 | DosWrite(2, msg3, strlen(msg3), &rc); |
| 3643 | DosExit(EXIT_PROCESS, 2); |
| 3644 | } |
| 3645 | |
| 3646 | XS(XS_Cwd_extLibpath) |
| 3647 | { |
| 3648 | dXSARGS; |
| 3649 | if (items < 0 || items > 1) |
| 3650 | Perl_croak_nocontext("Usage: OS2::extLibpath(type = 0)"); |
| 3651 | { |
| 3652 | IV type; |
| 3653 | char to[1024]; |
| 3654 | U32 rc; |
| 3655 | char * RETVAL; |
| 3656 | dXSTARG; |
| 3657 | STRLEN l; |
| 3658 | |
| 3659 | if (items < 1) |
| 3660 | type = 0; |
| 3661 | else { |
| 3662 | type = SvIV(ST(0)); |
| 3663 | } |
| 3664 | |
| 3665 | to[0] = 1; to[1] = 0; /* Sometimes no error reported */ |
| 3666 | RETVAL = extLibpath(to, type, 1); /* Make errors fatal */ |
| 3667 | if (RETVAL && RETVAL[0] == 1 && RETVAL[1] == 0) |
| 3668 | Perl_croak_nocontext("panic OS2::extLibpath parameter"); |
| 3669 | l = strlen(to); |
| 3670 | if (l >= sizeof(to)) |
| 3671 | early_error("Buffer overflow while getting BEGIN/ENDLIBPATH: `", |
| 3672 | to, "'\r\n"); /* Will not return */ |
| 3673 | sv_setpv(TARG, RETVAL); |
| 3674 | XSprePUSH; PUSHTARG; |
| 3675 | } |
| 3676 | XSRETURN(1); |
| 3677 | } |
| 3678 | |
| 3679 | XS(XS_Cwd_extLibpath_set) |
| 3680 | { |
| 3681 | dXSARGS; |
| 3682 | if (items < 1 || items > 2) |
| 3683 | Perl_croak_nocontext("Usage: OS2::extLibpath_set(s, type = 0)"); |
| 3684 | { |
| 3685 | STRLEN n_a; |
| 3686 | char * s = (char *)SvPV(ST(0),n_a); |
| 3687 | IV type; |
| 3688 | U32 rc; |
| 3689 | bool RETVAL; |
| 3690 | |
| 3691 | if (items < 2) |
| 3692 | type = 0; |
| 3693 | else { |
| 3694 | type = SvIV(ST(1)); |
| 3695 | } |
| 3696 | |
| 3697 | RETVAL = extLibpath_set(s, type, 1); /* Make errors fatal */ |
| 3698 | ST(0) = boolSV(RETVAL); |
| 3699 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
| 3700 | } |
| 3701 | XSRETURN(1); |
| 3702 | } |
| 3703 | |
| 3704 | ULONG |
| 3705 | fill_extLibpath(int type, char *pre, char *post, int replace, char *msg) |
| 3706 | { |
| 3707 | char buf[2048], *to = buf, buf1[300], *s; |
| 3708 | STRLEN l; |
| 3709 | ULONG rc; |
| 3710 | |
| 3711 | if (!pre && !post) |
| 3712 | return 0; |
| 3713 | if (pre) { |
| 3714 | pre = dir_subst(pre, strlen(pre), buf1, sizeof buf1, dir_subst_pathlike, msg); |
| 3715 | if (!pre) |
| 3716 | return ERROR_INVALID_PARAMETER; |
| 3717 | l = strlen(pre); |
| 3718 | if (l >= sizeof(buf)/2) |
| 3719 | return ERROR_BUFFER_OVERFLOW; |
| 3720 | s = pre - 1; |
| 3721 | while (*++s) |
| 3722 | if (*s == '/') |
| 3723 | *s = '\\'; /* Be extra causious */ |
| 3724 | memcpy(to, pre, l); |
| 3725 | if (!l || to[l-1] != ';') |
| 3726 | to[l++] = ';'; |
| 3727 | to += l; |
| 3728 | } |
| 3729 | |
| 3730 | if (!replace) { |
| 3731 | to[0] = 1; to[1] = 0; /* Sometimes no error reported */ |
| 3732 | rc = ExtLIBPATH(ORD_DosQueryExtLibpath, to, type, 0); /* Do not croak */ |
| 3733 | if (rc) |
| 3734 | return rc; |
| 3735 | if (to[0] == 1 && to[1] == 0) |
| 3736 | return ERROR_INVALID_PARAMETER; |
| 3737 | to += strlen(to); |
| 3738 | if (buf + sizeof(buf) - 1 <= to) /* Buffer overflow */ |
| 3739 | early_error("Buffer overflow while getting BEGIN/ENDLIBPATH: `", |
| 3740 | buf, "'\r\n"); /* Will not return */ |
| 3741 | if (to > buf && to[-1] != ';') |
| 3742 | *to++ = ';'; |
| 3743 | } |
| 3744 | if (post) { |
| 3745 | post = dir_subst(post, strlen(post), buf1, sizeof buf1, dir_subst_pathlike, msg); |
| 3746 | if (!post) |
| 3747 | return ERROR_INVALID_PARAMETER; |
| 3748 | l = strlen(post); |
| 3749 | if (l + to - buf >= sizeof(buf) - 1) |
| 3750 | return ERROR_BUFFER_OVERFLOW; |
| 3751 | s = post - 1; |
| 3752 | while (*++s) |
| 3753 | if (*s == '/') |
| 3754 | *s = '\\'; /* Be extra causious */ |
| 3755 | memcpy(to, post, l); |
| 3756 | if (!l || to[l-1] != ';') |
| 3757 | to[l++] = ';'; |
| 3758 | to += l; |
| 3759 | } |
| 3760 | *to = 0; |
| 3761 | rc = ExtLIBPATH(ORD_DosSetExtLibpath, buf, type, 0); /* Do not croak */ |
| 3762 | return rc; |
| 3763 | } |
| 3764 | |
| 3765 | /* Input: Address, BufLen |
| 3766 | APIRET APIENTRY |
| 3767 | DosQueryModFromEIP (HMODULE * hmod, ULONG * obj, ULONG BufLen, PCHAR Buf, |
| 3768 | ULONG * Offset, ULONG Address); |
| 3769 | */ |
| 3770 | |
| 3771 | DeclOSFuncByORD(APIRET, _DosQueryModFromEIP,ORD_DosQueryModFromEIP, |
| 3772 | (HMODULE * hmod, ULONG * obj, ULONG BufLen, PCHAR Buf, |
| 3773 | ULONG * Offset, ULONG Address), |
| 3774 | (hmod, obj, BufLen, Buf, Offset, Address)) |
| 3775 | |
| 3776 | static SV* |
| 3777 | module_name_at(void *pp, enum module_name_how how) |
| 3778 | { |
| 3779 | dTHX; |
| 3780 | char buf[MAXPATHLEN]; |
| 3781 | char *p = buf; |
| 3782 | HMODULE mod; |
| 3783 | ULONG obj, offset, rc, addr = (ULONG)pp; |
| 3784 | |
| 3785 | if (how & mod_name_HMODULE) { |
| 3786 | if ((how & ~mod_name_HMODULE) == mod_name_shortname) |
| 3787 | Perl_croak(aTHX_ "Can't get short module name from a handle"); |
| 3788 | mod = (HMODULE)pp; |
| 3789 | how &= ~mod_name_HMODULE; |
| 3790 | } else if (!_DosQueryModFromEIP(&mod, &obj, sizeof(buf), buf, &offset, addr)) |
| 3791 | return &PL_sv_undef; |
| 3792 | if (how == mod_name_handle) |
| 3793 | return newSVuv(mod); |
| 3794 | /* Full name... */ |
| 3795 | if ( how != mod_name_shortname |
| 3796 | && CheckOSError(DosQueryModuleName(mod, sizeof(buf), buf)) ) |
| 3797 | return &PL_sv_undef; |
| 3798 | while (*p) { |
| 3799 | if (*p == '\\') |
| 3800 | *p = '/'; |
| 3801 | p++; |
| 3802 | } |
| 3803 | return newSVpv(buf, 0); |
| 3804 | } |
| 3805 | |
| 3806 | static SV* |
| 3807 | module_name_of_cv(SV *cv, enum module_name_how how) |
| 3808 | { |
| 3809 | if (!cv || !SvROK(cv) || SvTYPE(SvRV(cv)) != SVt_PVCV || !CvXSUB(SvRV(cv))) { |
| 3810 | dTHX; |
| 3811 | |
| 3812 | if (how & mod_name_C_function) |
| 3813 | return module_name_at((void*)SvIV(cv), how & ~mod_name_C_function); |
| 3814 | else if (how & mod_name_HMODULE) |
| 3815 | return module_name_at((void*)SvIV(cv), how); |
| 3816 | Perl_croak(aTHX_ "Not an XSUB reference"); |
| 3817 | } |
| 3818 | return module_name_at(CvXSUB(SvRV(cv)), how); |
| 3819 | } |
| 3820 | |
| 3821 | XS(XS_OS2_DLLname) |
| 3822 | { |
| 3823 | dXSARGS; |
| 3824 | if (items > 2) |
| 3825 | Perl_croak(aTHX_ "Usage: OS2::DLLname( [ how, [\\&xsub] ] )"); |
| 3826 | { |
| 3827 | SV * RETVAL; |
| 3828 | int how; |
| 3829 | |
| 3830 | if (items < 1) |
| 3831 | how = mod_name_full; |
| 3832 | else { |
| 3833 | how = (int)SvIV(ST(0)); |
| 3834 | } |
| 3835 | if (items < 2) |
| 3836 | RETVAL = module_name(how); |
| 3837 | else |
| 3838 | RETVAL = module_name_of_cv(ST(1), how); |
| 3839 | ST(0) = RETVAL; |
| 3840 | sv_2mortal(ST(0)); |
| 3841 | } |
| 3842 | XSRETURN(1); |
| 3843 | } |
| 3844 | |
| 3845 | DeclOSFuncByORD(INT, _Dos32QueryHeaderInfo, ORD_Dos32QueryHeaderInfo, |
| 3846 | (ULONG r1, ULONG r2, PVOID buf, ULONG szbuf, ULONG fnum), |
| 3847 | (r1, r2, buf, szbuf, fnum)) |
| 3848 | |
| 3849 | XS(XS_OS2__headerInfo) |
| 3850 | { |
| 3851 | dXSARGS; |
| 3852 | if (items > 4 || items < 2) |
| 3853 | Perl_croak(aTHX_ "Usage: OS2::_headerInfo(req,size[,handle,[offset]])"); |
| 3854 | { |
| 3855 | ULONG req = (ULONG)SvIV(ST(0)); |
| 3856 | STRLEN size = (STRLEN)SvIV(ST(1)), n_a; |
| 3857 | ULONG handle = (items >= 3 ? (ULONG)SvIV(ST(2)) : 0); |
| 3858 | ULONG offset = (items >= 4 ? (ULONG)SvIV(ST(3)) : 0); |
| 3859 | |
| 3860 | if (size <= 0) |
| 3861 | Perl_croak(aTHX_ "OS2::_headerInfo(): unexpected size: %d", (int)size); |
| 3862 | ST(0) = newSVpvn("",0); |
| 3863 | SvGROW(ST(0), size + 1); |
| 3864 | sv_2mortal(ST(0)); |
| 3865 | |
| 3866 | if (!_Dos32QueryHeaderInfo(handle, offset, SvPV(ST(0), n_a), size, req)) |
| 3867 | Perl_croak(aTHX_ "OS2::_headerInfo(%ld,%ld,%ld,%ld) error: %s", |
| 3868 | req, size, handle, offset, os2error(Perl_rc)); |
| 3869 | SvCUR_set(ST(0), size); |
| 3870 | *SvEND(ST(0)) = 0; |
| 3871 | } |
| 3872 | XSRETURN(1); |
| 3873 | } |
| 3874 | |
| 3875 | #define DQHI_QUERYLIBPATHSIZE 4 |
| 3876 | #define DQHI_QUERYLIBPATH 5 |
| 3877 | |
| 3878 | XS(XS_OS2_libPath) |
| 3879 | { |
| 3880 | dXSARGS; |
| 3881 | if (items != 0) |
| 3882 | Perl_croak(aTHX_ "Usage: OS2::libPath()"); |
| 3883 | { |
| 3884 | ULONG size; |
| 3885 | STRLEN n_a; |
| 3886 | |
| 3887 | if (!_Dos32QueryHeaderInfo(0, 0, &size, sizeof(size), |
| 3888 | DQHI_QUERYLIBPATHSIZE)) |
| 3889 | Perl_croak(aTHX_ "OS2::_headerInfo(%ld,%ld,%ld,%ld) error: %s", |
| 3890 | DQHI_QUERYLIBPATHSIZE, sizeof(size), 0, 0, |
| 3891 | os2error(Perl_rc)); |
| 3892 | ST(0) = newSVpvn("",0); |
| 3893 | SvGROW(ST(0), size + 1); |
| 3894 | sv_2mortal(ST(0)); |
| 3895 | |
| 3896 | /* We should be careful: apparently, this entry point does not |
| 3897 | pay attention to the size argument, so may overwrite |
| 3898 | unrelated data! */ |
| 3899 | if (!_Dos32QueryHeaderInfo(0, 0, SvPV(ST(0), n_a), size, |
| 3900 | DQHI_QUERYLIBPATH)) |
| 3901 | Perl_croak(aTHX_ "OS2::_headerInfo(%ld,%ld,%ld,%ld) error: %s", |
| 3902 | DQHI_QUERYLIBPATH, size, 0, 0, os2error(Perl_rc)); |
| 3903 | SvCUR_set(ST(0), size); |
| 3904 | *SvEND(ST(0)) = 0; |
| 3905 | } |
| 3906 | XSRETURN(1); |
| 3907 | } |
| 3908 | |
| 3909 | #define get_control87() _control87(0,0) |
| 3910 | #define set_control87 _control87 |
| 3911 | |
| 3912 | XS(XS_OS2__control87) |
| 3913 | { |
| 3914 | dXSARGS; |
| 3915 | if (items != 2) |
| 3916 | Perl_croak(aTHX_ "Usage: OS2::_control87(new,mask)"); |
| 3917 | { |
| 3918 | unsigned new = (unsigned)SvIV(ST(0)); |
| 3919 | unsigned mask = (unsigned)SvIV(ST(1)); |
| 3920 | unsigned RETVAL; |
| 3921 | dXSTARG; |
| 3922 | |
| 3923 | RETVAL = _control87(new, mask); |
| 3924 | XSprePUSH; PUSHi((IV)RETVAL); |
| 3925 | } |
| 3926 | XSRETURN(1); |
| 3927 | } |
| 3928 | |
| 3929 | XS(XS_OS2_mytype) |
| 3930 | { |
| 3931 | dXSARGS; |
| 3932 | int which = 0; |
| 3933 | |
| 3934 | if (items < 0 || items > 1) |
| 3935 | Perl_croak(aTHX_ "Usage: OS2::mytype([which])"); |
| 3936 | if (items == 1) |
| 3937 | which = (int)SvIV(ST(0)); |
| 3938 | { |
| 3939 | unsigned RETVAL; |
| 3940 | dXSTARG; |
| 3941 | |
| 3942 | switch (which) { |
| 3943 | case 0: |
| 3944 | RETVAL = os2_mytype; /* Reset after fork */ |
| 3945 | break; |
| 3946 | case 1: |
| 3947 | RETVAL = os2_mytype_ini; /* Before any fork */ |
| 3948 | break; |
| 3949 | case 2: |
| 3950 | RETVAL = Perl_os2_initial_mode; /* Before first morphing */ |
| 3951 | break; |
| 3952 | case 3: |
| 3953 | RETVAL = my_type(); /* Morphed type */ |
| 3954 | break; |
| 3955 | default: |
| 3956 | Perl_croak(aTHX_ "OS2::mytype(which): unknown which=%d", which); |
| 3957 | } |
| 3958 | XSprePUSH; PUSHi((IV)RETVAL); |
| 3959 | } |
| 3960 | XSRETURN(1); |
| 3961 | } |
| 3962 | |
| 3963 | |
| 3964 | XS(XS_OS2_mytype_set) |
| 3965 | { |
| 3966 | dXSARGS; |
| 3967 | int type; |
| 3968 | |
| 3969 | if (items == 1) |
| 3970 | type = (int)SvIV(ST(0)); |
| 3971 | else |
| 3972 | Perl_croak(aTHX_ "Usage: OS2::mytype_set(type)"); |
| 3973 | my_type_set(type); |
| 3974 | XSRETURN_YES; |
| 3975 | } |
| 3976 | |
| 3977 | |
| 3978 | XS(XS_OS2_get_control87) |
| 3979 | { |
| 3980 | dXSARGS; |
| 3981 | if (items != 0) |
| 3982 | Perl_croak(aTHX_ "Usage: OS2::get_control87()"); |
| 3983 | { |
| 3984 | unsigned RETVAL; |
| 3985 | dXSTARG; |
| 3986 | |
| 3987 | RETVAL = get_control87(); |
| 3988 | XSprePUSH; PUSHi((IV)RETVAL); |
| 3989 | } |
| 3990 | XSRETURN(1); |
| 3991 | } |
| 3992 | |
| 3993 | |
| 3994 | XS(XS_OS2_set_control87) |
| 3995 | { |
| 3996 | dXSARGS; |
| 3997 | if (items < 0 || items > 2) |
| 3998 | Perl_croak(aTHX_ "Usage: OS2::set_control87(new=MCW_EM, mask=MCW_EM)"); |
| 3999 | { |
| 4000 | unsigned new; |
| 4001 | unsigned mask; |
| 4002 | unsigned RETVAL; |
| 4003 | dXSTARG; |
| 4004 | |
| 4005 | if (items < 1) |
| 4006 | new = MCW_EM; |
| 4007 | else { |
| 4008 | new = (unsigned)SvIV(ST(0)); |
| 4009 | } |
| 4010 | |
| 4011 | if (items < 2) |
| 4012 | mask = MCW_EM; |
| 4013 | else { |
| 4014 | mask = (unsigned)SvIV(ST(1)); |
| 4015 | } |
| 4016 | |
| 4017 | RETVAL = set_control87(new, mask); |
| 4018 | XSprePUSH; PUSHi((IV)RETVAL); |
| 4019 | } |
| 4020 | XSRETURN(1); |
| 4021 | } |
| 4022 | |
| 4023 | XS(XS_OS2_incrMaxFHandles) /* DosSetRelMaxFH */ |
| 4024 | { |
| 4025 | dXSARGS; |
| 4026 | if (items < 0 || items > 1) |
| 4027 | Perl_croak(aTHX_ "Usage: OS2::incrMaxFHandles(delta = 0)"); |
| 4028 | { |
| 4029 | LONG delta; |
| 4030 | ULONG RETVAL, rc; |
| 4031 | dXSTARG; |
| 4032 | |
| 4033 | if (items < 1) |
| 4034 | delta = 0; |
| 4035 | else |
| 4036 | delta = (LONG)SvIV(ST(0)); |
| 4037 | |
| 4038 | if (CheckOSError(DosSetRelMaxFH(&delta, &RETVAL))) |
| 4039 | croak_with_os2error("OS2::incrMaxFHandles(): DosSetRelMaxFH() error"); |
| 4040 | XSprePUSH; PUSHu((UV)RETVAL); |
| 4041 | } |
| 4042 | XSRETURN(1); |
| 4043 | } |
| 4044 | |
| 4045 | /* wait>0: force wait, wait<0: force nowait; |
| 4046 | if restore, save/restore flags; otherwise flags are in oflags. |
| 4047 | |
| 4048 | Returns 1 if connected, 0 if not (due to nowait); croaks on error. */ |
| 4049 | static ULONG |
| 4050 | connectNPipe(ULONG hpipe, int wait, ULONG restore, ULONG oflags) |
| 4051 | { |
| 4052 | ULONG ret = ERROR_INTERRUPT, rc, flags; |
| 4053 | |
| 4054 | if (restore && wait) |
| 4055 | os2cp_croak(DosQueryNPHState(hpipe, &oflags), "DosQueryNPHState()"); |
| 4056 | /* DosSetNPHState fails if more bits than NP_NOWAIT|NP_READMODE_MESSAGE */ |
| 4057 | oflags &= (NP_NOWAIT | NP_READMODE_MESSAGE); |
| 4058 | flags = (oflags & ~NP_NOWAIT) | (wait > 0 ? NP_WAIT : NP_NOWAIT); |
| 4059 | /* We know (o)flags unless wait == 0 && restore */ |
| 4060 | if (wait && (flags != oflags)) |
| 4061 | os2cp_croak(DosSetNPHState(hpipe, flags), "DosSetNPHState()"); |
| 4062 | while (ret == ERROR_INTERRUPT) |
| 4063 | ret = DosConnectNPipe(hpipe); |
| 4064 | (void)CheckOSError(ret); |
| 4065 | if (restore && wait && (flags != oflags)) |
| 4066 | os2cp_croak(DosSetNPHState(hpipe, oflags), "DosSetNPHState() back"); |
| 4067 | /* We know flags unless wait == 0 && restore */ |
| 4068 | if ( ((wait || restore) ? (flags & NP_NOWAIT) : 1) |
| 4069 | && (ret == ERROR_PIPE_NOT_CONNECTED) ) |
| 4070 | return 0; /* normal return value */ |
| 4071 | if (ret == NO_ERROR) |
| 4072 | return 1; |
| 4073 | croak_with_os2error("DosConnectNPipe()"); |
| 4074 | } |
| 4075 | |
| 4076 | /* With a lot of manual editing: |
| 4077 | NO_OUTPUT ULONG |
| 4078 | DosCreateNPipe(PCSZ pszName, OUTLIST HPIPE hpipe, ULONG ulOpenMode, int connect = 1, int count = 1, ULONG ulInbufLength = 8192, ULONG ulOutbufLength = ulInbufLength, ULONG ulPipeMode = count | NP_NOWAIT | NP_TYPE_BYTE | NP_READMODE_BYTE, ULONG ulTimeout = 0) |
| 4079 | PREINIT: |
| 4080 | ULONG rc; |
| 4081 | C_ARGS: |
| 4082 | pszName, &hpipe, ulOpenMode, ulPipeMode, ulInbufLength, ulOutbufLength, ulTimeout |
| 4083 | POSTCALL: |
| 4084 | if (CheckOSError(RETVAL)) |
| 4085 | croak_with_os2error("OS2::mkpipe() error"); |
| 4086 | */ |
| 4087 | XS(XS_OS2_pipe); /* prototype to pass -Wmissing-prototypes */ |
| 4088 | XS(XS_OS2_pipe) |
| 4089 | { |
| 4090 | dXSARGS; |
| 4091 | if (items < 2 || items > 8) |
| 4092 | Perl_croak(aTHX_ "Usage: OS2::pipe(pszName, ulOpenMode, connect= 1, count= 1, ulInbufLength= 8192, ulOutbufLength= ulInbufLength, ulPipeMode= count | NP_NOWAIT | NP_TYPE_BYTE | NP_READMODE_BYTE, ulTimeout= 0)"); |
| 4093 | { |
| 4094 | ULONG RETVAL; |
| 4095 | PCSZ pszName = ( SvOK(ST(0)) ? (PCSZ)SvPV_nolen(ST(0)) : NULL ); |
| 4096 | HPIPE hpipe; |
| 4097 | SV *OpenMode = ST(1); |
| 4098 | ULONG ulOpenMode; |
| 4099 | int connect = 0, count, message_r = 0, message = 0, b = 0; |
| 4100 | ULONG ulInbufLength, ulOutbufLength, ulPipeMode, ulTimeout, rc; |
| 4101 | STRLEN len; |
| 4102 | char *s, buf[10], *s1, *perltype = NULL; |
| 4103 | PerlIO *perlio; |
| 4104 | double timeout; |
| 4105 | |
| 4106 | if (!pszName || !*pszName) |
| 4107 | Perl_croak(aTHX_ "OS2::pipe(): empty pipe name"); |
| 4108 | s = SvPV(OpenMode, len); |
| 4109 | if (len == 4 && strEQ(s, "wait")) { /* DosWaitNPipe() */ |
| 4110 | ULONG ms = 0xFFFFFFFF, ret = ERROR_INTERRUPT; /* Indefinite */ |
| 4111 | |
| 4112 | if (items == 3) { |
| 4113 | timeout = (double)SvNV(ST(2)); |
| 4114 | ms = timeout * 1000; |
| 4115 | if (timeout < 0) |
| 4116 | ms = 0xFFFFFFFF; /* Indefinite */ |
| 4117 | else if (timeout && !ms) |
| 4118 | ms = 1; |
| 4119 | } else if (items > 3) |
| 4120 | Perl_croak(aTHX_ "OS2::pipe(): too many arguments for wait-for-connect: %ld", (long)items); |
| 4121 | |
| 4122 | while (ret == ERROR_INTERRUPT) |
| 4123 | ret = DosWaitNPipe(pszName, ms); /* XXXX Update ms? */ |
| 4124 | os2cp_croak(ret, "DosWaitNPipe()"); |
| 4125 | XSRETURN_YES; |
| 4126 | } |
| 4127 | if (len == 4 && strEQ(s, "call")) { /* DosCallNPipe() */ |
| 4128 | ULONG ms = 0xFFFFFFFF, got; /* Indefinite */ |
| 4129 | STRLEN l; |
| 4130 | char *s; |
| 4131 | char buf[8192]; |
| 4132 | STRLEN ll = sizeof(buf); |
| 4133 | char *b = buf; |
| 4134 | |
| 4135 | if (items < 3 || items > 5) |
| 4136 | Perl_croak(aTHX_ "usage: OS2::pipe(pszName, 'call', write [, timeout= 0xFFFFFFFF, buffsize = 8192])"); |
| 4137 | s = SvPV(ST(2), l); |
| 4138 | if (items >= 4) { |
| 4139 | timeout = (double)SvNV(ST(3)); |
| 4140 | ms = timeout * 1000; |
| 4141 | if (timeout < 0) |
| 4142 | ms = 0xFFFFFFFF; /* Indefinite */ |
| 4143 | else if (timeout && !ms) |
| 4144 | ms = 1; |
| 4145 | } |
| 4146 | if (items >= 5) { |
| 4147 | STRLEN lll = SvUV(ST(4)); |
| 4148 | SV *sv = NEWSV(914, lll); |
| 4149 | |
| 4150 | sv_2mortal(sv); |
| 4151 | ll = lll; |
| 4152 | b = SvPVX(sv); |
| 4153 | } |
| 4154 | |
| 4155 | os2cp_croak(DosCallNPipe(pszName, s, l, b, ll, &got, ms), |
| 4156 | "DosCallNPipe()"); |
| 4157 | XSRETURN_PVN(b, got); |
| 4158 | } |
| 4159 | s1 = buf; |
| 4160 | if (len && len <= 3 && !(*s >= '0' && *s <= '9')) { |
| 4161 | int r, w, R, W; |
| 4162 | |
| 4163 | r = strchr(s, 'r') != 0; |
| 4164 | w = strchr(s, 'w') != 0; |
| 4165 | R = strchr(s, 'R') != 0; |
| 4166 | W = strchr(s, 'W') != 0; |
| 4167 | b = strchr(s, 'b') != 0; |
| 4168 | if (r + w + R + W + b != len || (r && R) || (w && W)) |
| 4169 | Perl_croak(aTHX_ "OS2::pipe(): unknown OpenMode argument: `%s'", s); |
| 4170 | if ((r || R) && (w || W)) |
| 4171 | ulOpenMode = NP_INHERIT | NP_NOWRITEBEHIND | NP_ACCESS_DUPLEX; |
| 4172 | else if (r || R) |
| 4173 | ulOpenMode = NP_INHERIT | NP_NOWRITEBEHIND | NP_ACCESS_INBOUND; |
| 4174 | else |
| 4175 | ulOpenMode = NP_INHERIT | NP_NOWRITEBEHIND | NP_ACCESS_OUTBOUND; |
| 4176 | if (R) |
| 4177 | message = message_r = 1; |
| 4178 | if (W) |
| 4179 | message = 1; |
| 4180 | else if (w && R) |
| 4181 | Perl_croak(aTHX_ "OS2::pipe(): can't have message read mode for non-message pipes"); |
| 4182 | } else |
| 4183 | ulOpenMode = (ULONG)SvUV(OpenMode); /* ST(1) */ |
| 4184 | |
| 4185 | if ( (ulOpenMode & 0x3) == NP_ACCESS_DUPLEX |
| 4186 | || (ulOpenMode & 0x3) == NP_ACCESS_INBOUND ) |
| 4187 | *s1++ = 'r'; |
| 4188 | if ( (ulOpenMode & 0x3) == NP_ACCESS_DUPLEX ) |
| 4189 | *s1++ = '+'; |
| 4190 | if ( (ulOpenMode & 0x3) == NP_ACCESS_OUTBOUND ) |
| 4191 | *s1++ = 'w'; |
| 4192 | if (b) |
| 4193 | *s1++ = 'b'; |
| 4194 | *s1 = 0; |
| 4195 | if ( (ulOpenMode & 0x3) == NP_ACCESS_DUPLEX ) |
| 4196 | perltype = "+<&"; |
| 4197 | else if ( (ulOpenMode & 0x3) == NP_ACCESS_OUTBOUND ) |
| 4198 | perltype = ">&"; |
| 4199 | else |
| 4200 | perltype = "<&"; |
| 4201 | |
| 4202 | if (items < 3) |
| 4203 | connect = -1; /* no wait */ |
| 4204 | else if (SvTRUE(ST(2))) { |
| 4205 | s = SvPV(ST(2), len); |
| 4206 | if (len == 6 && strEQ(s, "nowait")) |
| 4207 | connect = -1; /* no wait */ |
| 4208 | else if (len == 4 && strEQ(s, "wait")) |
| 4209 | connect = 1; /* wait */ |
| 4210 | else |
| 4211 | Perl_croak(aTHX_ "OS2::pipe(): unknown connect argument: `%s'", s); |
| 4212 | } |
| 4213 | |
| 4214 | if (items < 4) |
| 4215 | count = 1; |
| 4216 | else |
| 4217 | count = (int)SvIV(ST(3)); |
| 4218 | |
| 4219 | if (items < 5) |
| 4220 | ulInbufLength = 8192; |
| 4221 | else |
| 4222 | ulInbufLength = (ULONG)SvUV(ST(4)); |
| 4223 | |
| 4224 | if (items < 6) |
| 4225 | ulOutbufLength = ulInbufLength; |
| 4226 | else |
| 4227 | ulOutbufLength = (ULONG)SvUV(ST(5)); |
| 4228 | |
| 4229 | if (count < -1 || count == 0 || count >= 255) |
| 4230 | Perl_croak(aTHX_ "OS2::pipe(): count should be -1 or between 1 and 254: %ld", (long)count); |
| 4231 | if (count < 0 ) |
| 4232 | count = 255; /* Unlimited */ |
| 4233 | |
| 4234 | ulPipeMode = count; |
| 4235 | if (items < 7) |
| 4236 | ulPipeMode |= (NP_WAIT |
| 4237 | | (message ? NP_TYPE_MESSAGE : NP_TYPE_BYTE) |
| 4238 | | (message_r ? NP_READMODE_MESSAGE : NP_READMODE_BYTE)); |
| 4239 | else |
| 4240 | ulPipeMode |= (ULONG)SvUV(ST(6)); |
| 4241 | |
| 4242 | if (items < 8) |
| 4243 | timeout = 0; |
| 4244 | else |
| 4245 | timeout = (double)SvNV(ST(7)); |
| 4246 | ulTimeout = timeout * 1000; |
| 4247 | if (timeout < 0) |
| 4248 | ulTimeout = 0xFFFFFFFF; /* Indefinite */ |
| 4249 | else if (timeout && !ulTimeout) |
| 4250 | ulTimeout = 1; |
| 4251 | |
| 4252 | RETVAL = DosCreateNPipe(pszName, &hpipe, ulOpenMode, ulPipeMode, ulInbufLength, ulOutbufLength, ulTimeout); |
| 4253 | if (CheckOSError(RETVAL)) |
| 4254 | croak_with_os2error("OS2::pipe(): DosCreateNPipe() error"); |
| 4255 | |
| 4256 | if (connect) |
| 4257 | connectNPipe(hpipe, connect, 1, 0); /* XXXX wait, retval */ |
| 4258 | hpipe = __imphandle(hpipe); |
| 4259 | |
| 4260 | perlio = PerlIO_fdopen(hpipe, buf); |
| 4261 | ST(0) = sv_newmortal(); |
| 4262 | { |
| 4263 | GV *gv = newGVgen("OS2::pipe"); |
| 4264 | if ( do_open(gv, perltype, strlen(perltype), FALSE, 0, 0, perlio) ) |
| 4265 | sv_setsv(ST(0), sv_bless(newRV((SV*)gv), gv_stashpv("IO::Handle",1))); |
| 4266 | else |
| 4267 | ST(0) = &PL_sv_undef; |
| 4268 | } |
| 4269 | } |
| 4270 | XSRETURN(1); |
| 4271 | } |
| 4272 | |
| 4273 | XS(XS_OS2_pipeCntl); /* prototype to pass -Wmissing-prototypes */ |
| 4274 | XS(XS_OS2_pipeCntl) |
| 4275 | { |
| 4276 | dXSARGS; |
| 4277 | if (items < 2 || items > 3) |
| 4278 | Perl_croak(aTHX_ "Usage: OS2::pipeCntl(pipe, op [, wait])"); |
| 4279 | { |
| 4280 | ULONG rc; |
| 4281 | PerlIO *perlio = IoIFP(sv_2io(ST(0))); |
| 4282 | IV fn = PerlIO_fileno(perlio); |
| 4283 | HPIPE hpipe = (HPIPE)fn; |
| 4284 | STRLEN len; |
| 4285 | char *s = SvPV(ST(1), len); |
| 4286 | int wait = 0, disconnect = 0, connect = 0, message = -1, query = 0; |
| 4287 | int peek = 0, state = 0, info = 0; |
| 4288 | |
| 4289 | if (fn < 0) |
| 4290 | Perl_croak(aTHX_ "OS2::pipeCntl(): not a pipe"); |
| 4291 | if (items == 3) |
| 4292 | wait = (SvTRUE(ST(2)) ? 1 : -1); |
| 4293 | |
| 4294 | switch (len) { |
| 4295 | case 4: |
| 4296 | if (strEQ(s, "byte")) |
| 4297 | message = 0; |
| 4298 | else if (strEQ(s, "peek")) |
| 4299 | peek = 1; |
| 4300 | else if (strEQ(s, "info")) |
| 4301 | info = 1; |
| 4302 | else |
| 4303 | goto unknown; |
| 4304 | break; |
| 4305 | case 5: |
| 4306 | if (strEQ(s, "reset")) |
| 4307 | disconnect = connect = 1; |
| 4308 | else if (strEQ(s, "state")) |
| 4309 | query = 1; |
| 4310 | else |
| 4311 | goto unknown; |
| 4312 | break; |
| 4313 | case 7: |
| 4314 | if (strEQ(s, "connect")) |
| 4315 | connect = 1; |
| 4316 | else if (strEQ(s, "message")) |
| 4317 | message = 1; |
| 4318 | else |
| 4319 | goto unknown; |
| 4320 | break; |
| 4321 | case 9: |
| 4322 | if (!strEQ(s, "readstate")) |
| 4323 | goto unknown; |
| 4324 | state = 1; |
| 4325 | break; |
| 4326 | case 10: |
| 4327 | if (!strEQ(s, "disconnect")) |
| 4328 | goto unknown; |
| 4329 | disconnect = 1; |
| 4330 | break; |
| 4331 | default: |
| 4332 | unknown: |
| 4333 | Perl_croak(aTHX_ "OS2::pipeCntl(): unknown argument: `%s'", s); |
| 4334 | break; |
| 4335 | } |
| 4336 | |
| 4337 | if (items == 3 && !connect) |
| 4338 | Perl_croak(aTHX_ "OS2::pipeCntl(): no wait argument for `%s'", s); |
| 4339 | |
| 4340 | XSprePUSH; /* Do not need arguments any more */ |
| 4341 | if (disconnect) { |
| 4342 | os2cp_croak(DosDisConnectNPipe(hpipe), "OS2::pipeCntl(): DosDisConnectNPipe()"); |
| 4343 | PerlIO_clearerr(perlio); |
| 4344 | } |
| 4345 | if (connect) { |
| 4346 | if (!connectNPipe(hpipe, wait , 1, 0)) |
| 4347 | XSRETURN_IV(-1); |
| 4348 | } |
| 4349 | if (query) { |
| 4350 | ULONG flags; |
| 4351 | |
| 4352 | os2cp_croak(DosQueryNPHState(hpipe, &flags), "DosQueryNPHState()"); |
| 4353 | XSRETURN_UV(flags); |
| 4354 | } |
| 4355 | if (peek || state || info) { |
| 4356 | ULONG BytesRead, PipeState; |
| 4357 | AVAILDATA BytesAvail; |
| 4358 | |
| 4359 | os2cp_croak( DosPeekNPipe(hpipe, NULL, 0, &BytesRead, &BytesAvail, |
| 4360 | &PipeState), "DosPeekNPipe() for state"); |
| 4361 | if (state) { |
| 4362 | EXTEND(SP, 3); |
| 4363 | mPUSHu(PipeState); |
| 4364 | /* Bytes (available/in-message) */ |
| 4365 | mPUSHi(BytesAvail.cbpipe); |
| 4366 | mPUSHi(BytesAvail.cbmessage); |
| 4367 | XSRETURN(3); |
| 4368 | } else if (info) { |
| 4369 | /* L S S C C C/Z* |
| 4370 | ID of the (remote) computer |
| 4371 | buffers (out/in) |
| 4372 | instances (max/actual) |
| 4373 | */ |
| 4374 | struct pipe_info_t { |
| 4375 | ULONG id; /* char id[4]; */ |
| 4376 | PIPEINFO pInfo; |
| 4377 | char buf[512]; |
| 4378 | } b; |
| 4379 | int size; |
| 4380 | |
| 4381 | os2cp_croak( DosQueryNPipeInfo(hpipe, 1, &b.pInfo, sizeof(b) - STRUCT_OFFSET(struct pipe_info_t, pInfo)), |
| 4382 | "DosQueryNPipeInfo(1)"); |
| 4383 | os2cp_croak( DosQueryNPipeInfo(hpipe, 2, &b.id, sizeof(b.id)), |
| 4384 | "DosQueryNPipeInfo(2)"); |
| 4385 | size = b.pInfo.cbName; |
| 4386 | /* Trailing 0 is included in cbName - undocumented; so |
| 4387 | one should always extract with Z* */ |
| 4388 | if (size) /* name length 254 or less */ |
| 4389 | size--; |
| 4390 | else |
| 4391 | size = strlen(b.pInfo.szName); |
| 4392 | EXTEND(SP, 6); |
| 4393 | mPUSHp(b.pInfo.szName, size); |
| 4394 | mPUSHu(b.id); |
| 4395 | mPUSHi(b.pInfo.cbOut); |
| 4396 | mPUSHi(b.pInfo.cbIn); |
| 4397 | mPUSHi(b.pInfo.cbMaxInst); |
| 4398 | mPUSHi(b.pInfo.cbCurInst); |
| 4399 | XSRETURN(6); |
| 4400 | } else if (BytesAvail.cbpipe == 0) { |
| 4401 | XSRETURN_NO; |
| 4402 | } else { |
| 4403 | SV *tmp = NEWSV(914, BytesAvail.cbpipe); |
| 4404 | char *s = SvPVX(tmp); |
| 4405 | |
| 4406 | sv_2mortal(tmp); |
| 4407 | os2cp_croak( DosPeekNPipe(hpipe, s, BytesAvail.cbpipe, &BytesRead, |
| 4408 | &BytesAvail, &PipeState), "DosPeekNPipe()"); |
| 4409 | SvCUR_set(tmp, BytesRead); |
| 4410 | *SvEND(tmp) = 0; |
| 4411 | SvPOK_on(tmp); |
| 4412 | XSprePUSH; PUSHs(tmp); |
| 4413 | XSRETURN(1); |
| 4414 | } |
| 4415 | } |
| 4416 | if (message > -1) { |
| 4417 | ULONG oflags, flags; |
| 4418 | |
| 4419 | os2cp_croak(DosQueryNPHState(hpipe, &oflags), "DosQueryNPHState()"); |
| 4420 | /* DosSetNPHState fails if more bits than NP_NOWAIT|NP_READMODE_MESSAGE */ |
| 4421 | oflags &= (NP_NOWAIT | NP_READMODE_MESSAGE); |
| 4422 | flags = (oflags & NP_NOWAIT) |
| 4423 | | (message ? NP_READMODE_MESSAGE : NP_READMODE_BYTE); |
| 4424 | if (flags != oflags) |
| 4425 | os2cp_croak(DosSetNPHState(hpipe, flags), "DosSetNPHState()"); |
| 4426 | } |
| 4427 | } |
| 4428 | XSRETURN_YES; |
| 4429 | } |
| 4430 | |
| 4431 | /* |
| 4432 | NO_OUTPUT ULONG |
| 4433 | DosOpen(PCSZ pszFileName, OUTLIST HFILE hFile, OUTLIST ULONG ulAction, ULONG ulOpenFlags, ULONG ulOpenMode = OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW, ULONG ulAttribute = FILE_NORMAL, ULONG ulFileSize = 0, PEAOP2 pEABuf = NULL); |
| 4434 | PREINIT: |
| 4435 | ULONG rc; |
| 4436 | C_ARGS: |
| 4437 | pszFileName, &hFile, &ulAction, ulFileSize, ulAttribute, ulOpenFlags, ulOpenMode, pEABuf |
| 4438 | POSTCALL: |
| 4439 | if (CheckOSError(RETVAL)) |
| 4440 | croak_with_os2error("OS2::open() error"); |
| 4441 | */ |
| 4442 | XS(XS_OS2_open); /* prototype to pass -Wmissing-prototypes */ |
| 4443 | XS(XS_OS2_open) |
| 4444 | { |
| 4445 | dXSARGS; |
| 4446 | if (items < 2 || items > 6) |
| 4447 | Perl_croak(aTHX_ "Usage: OS2::open(pszFileName, ulOpenMode, ulOpenFlags= OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW, ulAttribute= FILE_NORMAL, ulFileSize= 0, pEABuf= NULL)"); |
| 4448 | { |
| 4449 | #line 39 "pipe.xs" |
| 4450 | ULONG rc; |
| 4451 | #line 113 "pipe.c" |
| 4452 | ULONG RETVAL; |
| 4453 | PCSZ pszFileName = ( SvOK(ST(0)) ? (PCSZ)SvPV_nolen(ST(0)) : NULL ); |
| 4454 | HFILE hFile; |
| 4455 | ULONG ulAction; |
| 4456 | ULONG ulOpenMode = (ULONG)SvUV(ST(1)); |
| 4457 | ULONG ulOpenFlags; |
| 4458 | ULONG ulAttribute; |
| 4459 | ULONG ulFileSize; |
| 4460 | PEAOP2 pEABuf; |
| 4461 | |
| 4462 | if (items < 3) |
| 4463 | ulOpenFlags = OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW; |
| 4464 | else { |
| 4465 | ulOpenFlags = (ULONG)SvUV(ST(2)); |
| 4466 | } |
| 4467 | |
| 4468 | if (items < 4) |
| 4469 | ulAttribute = FILE_NORMAL; |
| 4470 | else { |
| 4471 | ulAttribute = (ULONG)SvUV(ST(3)); |
| 4472 | } |
| 4473 | |
| 4474 | if (items < 5) |
| 4475 | ulFileSize = 0; |
| 4476 | else { |
| 4477 | ulFileSize = (ULONG)SvUV(ST(4)); |
| 4478 | } |
| 4479 | |
| 4480 | if (items < 6) |
| 4481 | pEABuf = NULL; |
| 4482 | else { |
| 4483 | pEABuf = (PEAOP2)SvUV(ST(5)); |
| 4484 | } |
| 4485 | |
| 4486 | RETVAL = DosOpen(pszFileName, &hFile, &ulAction, ulFileSize, ulAttribute, ulOpenFlags, ulOpenMode, pEABuf); |
| 4487 | if (CheckOSError(RETVAL)) |
| 4488 | croak_with_os2error("OS2::open() error"); |
| 4489 | XSprePUSH; EXTEND(SP,2); |
| 4490 | PUSHs(sv_newmortal()); |
| 4491 | sv_setuv(ST(0), (UV)hFile); |
| 4492 | PUSHs(sv_newmortal()); |
| 4493 | sv_setuv(ST(1), (UV)ulAction); |
| 4494 | } |
| 4495 | XSRETURN(2); |
| 4496 | } |
| 4497 | |
| 4498 | int |
| 4499 | Xs_OS2_init(pTHX) |
| 4500 | { |
| 4501 | char *file = __FILE__; |
| 4502 | { |
| 4503 | GV *gv; |
| 4504 | |
| 4505 | if (_emx_env & 0x200) { /* OS/2 */ |
| 4506 | newXS("File::Copy::syscopy", XS_File__Copy_syscopy, file); |
| 4507 | newXS("Cwd::extLibpath", XS_Cwd_extLibpath, file); |
| 4508 | newXS("Cwd::extLibpath_set", XS_Cwd_extLibpath_set, file); |
| 4509 | newXS("OS2::extLibpath", XS_Cwd_extLibpath, file); |
| 4510 | newXS("OS2::extLibpath_set", XS_Cwd_extLibpath_set, file); |
| 4511 | } |
| 4512 | newXS("OS2::Error", XS_OS2_Error, file); |
| 4513 | newXS("OS2::Errors2Drive", XS_OS2_Errors2Drive, file); |
| 4514 | newXS("OS2::SysInfo", XS_OS2_SysInfo, file); |
| 4515 | newXSproto("OS2::DevCap", XS_OS2_DevCap, file, ";$$"); |
| 4516 | newXSproto("OS2::SysInfoFor", XS_OS2_SysInfoFor, file, "$;$"); |
| 4517 | newXS("OS2::BootDrive", XS_OS2_BootDrive, file); |
| 4518 | newXS("OS2::MorphPM", XS_OS2_MorphPM, file); |
| 4519 | newXS("OS2::UnMorphPM", XS_OS2_UnMorphPM, file); |
| 4520 | newXS("OS2::Serve_Messages", XS_OS2_Serve_Messages, file); |
| 4521 | newXS("OS2::Process_Messages", XS_OS2_Process_Messages, file); |
| 4522 | newXS("DynaLoader::mod2fname", XS_DynaLoader_mod2fname, file); |
| 4523 | newXS("Cwd::current_drive", XS_Cwd_current_drive, file); |
| 4524 | newXS("Cwd::sys_chdir", XS_Cwd_sys_chdir, file); |
| 4525 | newXS("Cwd::change_drive", XS_Cwd_change_drive, file); |
| 4526 | newXS("Cwd::sys_is_absolute", XS_Cwd_sys_is_absolute, file); |
| 4527 | newXS("Cwd::sys_is_rooted", XS_Cwd_sys_is_rooted, file); |
| 4528 | newXS("Cwd::sys_is_relative", XS_Cwd_sys_is_relative, file); |
| 4529 | newXS("Cwd::sys_cwd", XS_Cwd_sys_cwd, file); |
| 4530 | newXS("Cwd::sys_abspath", XS_Cwd_sys_abspath, file); |
| 4531 | newXS("OS2::replaceModule", XS_OS2_replaceModule, file); |
| 4532 | newXS("OS2::perfSysCall", XS_OS2_perfSysCall, file); |
| 4533 | newXSproto("OS2::_control87", XS_OS2__control87, file, "$$"); |
| 4534 | newXSproto("OS2::get_control87", XS_OS2_get_control87, file, ""); |
| 4535 | newXSproto("OS2::set_control87", XS_OS2_set_control87, file, ";$$"); |
| 4536 | newXSproto("OS2::DLLname", XS_OS2_DLLname, file, ";$$"); |
| 4537 | newXSproto("OS2::mytype", XS_OS2_mytype, file, ";$"); |
| 4538 | newXSproto("OS2::mytype_set", XS_OS2_mytype_set, file, "$"); |
| 4539 | newXSproto("OS2::_headerInfo", XS_OS2__headerInfo, file, "$$;$$"); |
| 4540 | newXSproto("OS2::libPath", XS_OS2_libPath, file, ""); |
| 4541 | newXSproto("OS2::Timer", XS_OS2_Timer, file, ""); |
| 4542 | newXSproto("OS2::msCounter", XS_OS2_msCounter, file, ""); |
| 4543 | newXSproto("OS2::ms_sleep", XS_OS2_ms_sleep, file, "$;$"); |
| 4544 | newXSproto("OS2::_InfoTable", XS_OS2__InfoTable, file, ";$"); |
| 4545 | newXSproto("OS2::incrMaxFHandles", XS_OS2_incrMaxFHandles, file, ";$"); |
| 4546 | newXSproto("OS2::SysValues", XS_OS2_SysValues, file, ";$$"); |
| 4547 | newXSproto("OS2::SysValues_set", XS_OS2_SysValues_set, file, "$$;$"); |
| 4548 | newXSproto("OS2::Beep", XS_OS2_Beep, file, ";$$"); |
| 4549 | newXSproto("OS2::pipe", XS_OS2_pipe, file, "$$;$$$$$$"); |
| 4550 | newXSproto("OS2::pipeCntl", XS_OS2_pipeCntl, file, "$$;$"); |
| 4551 | newXSproto("OS2::open", XS_OS2_open, file, "$$;$$$$"); |
| 4552 | gv = gv_fetchpv("OS2::is_aout", TRUE, SVt_PV); |
| 4553 | GvMULTI_on(gv); |
| 4554 | #ifdef PERL_IS_AOUT |
| 4555 | sv_setiv(GvSV(gv), 1); |
| 4556 | #endif |
| 4557 | gv = gv_fetchpv("OS2::is_static", TRUE, SVt_PV); |
| 4558 | GvMULTI_on(gv); |
| 4559 | #ifdef PERL_IS_AOUT |
| 4560 | sv_setiv(GvSV(gv), 1); |
| 4561 | #endif |
| 4562 | gv = gv_fetchpv("OS2::can_fork", TRUE, SVt_PV); |
| 4563 | GvMULTI_on(gv); |
| 4564 | sv_setiv(GvSV(gv), exe_is_aout()); |
| 4565 | gv = gv_fetchpv("OS2::emx_rev", TRUE, SVt_PV); |
| 4566 | GvMULTI_on(gv); |
| 4567 | sv_setiv(GvSV(gv), _emx_rev); |
| 4568 | sv_setpv(GvSV(gv), _emx_vprt); |
| 4569 | SvIOK_on(GvSV(gv)); |
| 4570 | gv = gv_fetchpv("OS2::emx_env", TRUE, SVt_PV); |
| 4571 | GvMULTI_on(gv); |
| 4572 | sv_setiv(GvSV(gv), _emx_env); |
| 4573 | gv = gv_fetchpv("OS2::os_ver", TRUE, SVt_PV); |
| 4574 | GvMULTI_on(gv); |
| 4575 | sv_setnv(GvSV(gv), _osmajor + 0.001 * _osminor); |
| 4576 | gv = gv_fetchpv("OS2::nsyserror", TRUE, SVt_PV); |
| 4577 | GvMULTI_on(gv); |
| 4578 | sv_setiv(GvSV(gv), 1); /* DEFAULT: Show number on syserror */ |
| 4579 | } |
| 4580 | return 0; |
| 4581 | } |
| 4582 | |
| 4583 | extern void _emx_init(void*); |
| 4584 | |
| 4585 | static void jmp_out_of_atexit(void); |
| 4586 | |
| 4587 | #define FORCE_EMX_INIT_CONTRACT_ARGV 1 |
| 4588 | #define FORCE_EMX_INIT_INSTALL_ATEXIT 2 |
| 4589 | |
| 4590 | static void |
| 4591 | my_emx_init(void *layout) { |
| 4592 | static volatile void *old_esp = 0; /* Cannot be on stack! */ |
| 4593 | |
| 4594 | /* Can't just call emx_init(), since it moves the stack pointer */ |
| 4595 | /* It also busts a lot of registers, so be extra careful */ |
| 4596 | __asm__( "pushf\n" |
| 4597 | "pusha\n" |
| 4598 | "movl %%esp, %1\n" |
| 4599 | "push %0\n" |
| 4600 | "call __emx_init\n" |
| 4601 | "movl %1, %%esp\n" |
| 4602 | "popa\n" |
| 4603 | "popf\n" : : "r" (layout), "m" (old_esp) ); |
| 4604 | } |
| 4605 | |
| 4606 | struct layout_table_t { |
| 4607 | ULONG text_base; |
| 4608 | ULONG text_end; |
| 4609 | ULONG data_base; |
| 4610 | ULONG data_end; |
| 4611 | ULONG bss_base; |
| 4612 | ULONG bss_end; |
| 4613 | ULONG heap_base; |
| 4614 | ULONG heap_end; |
| 4615 | ULONG heap_brk; |
| 4616 | ULONG heap_off; |
| 4617 | ULONG os2_dll; |
| 4618 | ULONG stack_base; |
| 4619 | ULONG stack_end; |
| 4620 | ULONG flags; |
| 4621 | ULONG reserved[2]; |
| 4622 | char options[64]; |
| 4623 | }; |
| 4624 | |
| 4625 | static ULONG |
| 4626 | my_os_version() { |
| 4627 | static ULONG osv_res; /* Cannot be on stack! */ |
| 4628 | |
| 4629 | /* Can't just call __os_version(), since it does not follow C |
| 4630 | calling convention: it busts a lot of registers, so be extra careful */ |
| 4631 | __asm__( "pushf\n" |
| 4632 | "pusha\n" |
| 4633 | "call ___os_version\n" |
| 4634 | "movl %%eax, %0\n" |
| 4635 | "popa\n" |
| 4636 | "popf\n" : "=m" (osv_res) ); |
| 4637 | |
| 4638 | return osv_res; |
| 4639 | } |
| 4640 | |
| 4641 | static void |
| 4642 | force_init_emx_runtime(EXCEPTIONREGISTRATIONRECORD *preg, ULONG flags) |
| 4643 | { |
| 4644 | /* Calling emx_init() will bust the top of stack: it installs an |
| 4645 | exception handler and puts argv data there. */ |
| 4646 | char *oldarg, *oldenv; |
| 4647 | void *oldstackend, *oldstack; |
| 4648 | PPIB pib; |
| 4649 | PTIB tib; |
| 4650 | ULONG rc, error = 0, out; |
| 4651 | char buf[512]; |
| 4652 | static struct layout_table_t layout_table; |
| 4653 | struct { |
| 4654 | char buf[48*1024]; /* _emx_init() requires 32K, cmd.exe has 64K only */ |
| 4655 | double alignment1; |
| 4656 | EXCEPTIONREGISTRATIONRECORD xreg; |
| 4657 | } *newstack; |
| 4658 | char *s; |
| 4659 | |
| 4660 | layout_table.os2_dll = (ULONG)&os2_dll_fake; |
| 4661 | layout_table.flags = 0x02000002; /* flags: application, OMF */ |
| 4662 | |
| 4663 | DosGetInfoBlocks(&tib, &pib); |
| 4664 | oldarg = pib->pib_pchcmd; |
| 4665 | oldenv = pib->pib_pchenv; |
| 4666 | oldstack = tib->tib_pstack; |
| 4667 | oldstackend = tib->tib_pstacklimit; |
| 4668 | |
| 4669 | if ( (char*)&s < (char*)oldstack + 4*1024 |
| 4670 | || (char *)oldstackend < (char*)oldstack + 52*1024 ) |
| 4671 | early_error("It is a lunacy to try to run EMX Perl ", |
| 4672 | "with less than 64K of stack;\r\n", |
| 4673 | " at least with non-EMX starter...\r\n"); |
| 4674 | |
| 4675 | /* Minimize the damage to the stack via reducing the size of argv. */ |
| 4676 | if (flags & FORCE_EMX_INIT_CONTRACT_ARGV) { |
| 4677 | pib->pib_pchcmd = "\0\0"; /* Need 3 concatenated strings */ |
| 4678 | pib->pib_pchcmd = "\0"; /* Ended by an extra \0. */ |
| 4679 | } |
| 4680 | |
| 4681 | newstack = alloca(sizeof(*newstack)); |
| 4682 | /* Emulate the stack probe */ |
| 4683 | s = ((char*)newstack) + sizeof(*newstack); |
| 4684 | while (s > (char*)newstack) { |
| 4685 | s[-1] = 0; |
| 4686 | s -= 4096; |
| 4687 | } |
| 4688 | |
| 4689 | /* Reassigning stack is documented to work */ |
| 4690 | tib->tib_pstack = (void*)newstack; |
| 4691 | tib->tib_pstacklimit = (void*)((char*)newstack + sizeof(*newstack)); |
| 4692 | |
| 4693 | /* Can't just call emx_init(), since it moves the stack pointer */ |
| 4694 | my_emx_init((void*)&layout_table); |
| 4695 | |
| 4696 | /* Remove the exception handler, cannot use it - too low on the stack. |
| 4697 | Check whether it is inside the new stack. */ |
| 4698 | buf[0] = 0; |
| 4699 | if (tib->tib_pexchain >= tib->tib_pstacklimit |
| 4700 | || tib->tib_pexchain < tib->tib_pstack) { |
| 4701 | error = 1; |
| 4702 | sprintf(buf, |
| 4703 | "panic: ExceptionHandler misplaced: not %#lx <= %#lx < %#lx\n", |
| 4704 | (unsigned long)tib->tib_pstack, |
| 4705 | (unsigned long)tib->tib_pexchain, |
| 4706 | (unsigned long)tib->tib_pstacklimit); |
| 4707 | goto finish; |
| 4708 | } |
| 4709 | if (tib->tib_pexchain != &(newstack->xreg)) { |
| 4710 | sprintf(buf, "ExceptionHandler misplaced: %#lx != %#lx\n", |
| 4711 | (unsigned long)tib->tib_pexchain, |
| 4712 | (unsigned long)&(newstack->xreg)); |
| 4713 | } |
| 4714 | rc = DosUnsetExceptionHandler((EXCEPTIONREGISTRATIONRECORD *)tib->tib_pexchain); |
| 4715 | if (rc) |
| 4716 | sprintf(buf + strlen(buf), |
| 4717 | "warning: DosUnsetExceptionHandler rc=%#lx=%lu\n", rc, rc); |
| 4718 | |
| 4719 | if (preg) { |
| 4720 | /* ExceptionRecords should be on stack, in a correct order. Sigh... */ |
| 4721 | preg->prev_structure = 0; |
| 4722 | preg->ExceptionHandler = _emx_exception; |
| 4723 | rc = DosSetExceptionHandler(preg); |
| 4724 | if (rc) { |
| 4725 | sprintf(buf + strlen(buf), |
| 4726 | "warning: DosSetExceptionHandler rc=%#lx=%lu\n", rc, rc); |
| 4727 | DosWrite(2, buf, strlen(buf), &out); |
| 4728 | emx_exception_init = 1; /* Do it around spawn*() calls */ |
| 4729 | } |
| 4730 | } else |
| 4731 | emx_exception_init = 1; /* Do it around spawn*() calls */ |
| 4732 | |
| 4733 | finish: |
| 4734 | /* Restore the damage */ |
| 4735 | pib->pib_pchcmd = oldarg; |
| 4736 | pib->pib_pchcmd = oldenv; |
| 4737 | tib->tib_pstacklimit = oldstackend; |
| 4738 | tib->tib_pstack = oldstack; |
| 4739 | emx_runtime_init = 1; |
| 4740 | if (buf[0]) |
| 4741 | DosWrite(2, buf, strlen(buf), &out); |
| 4742 | if (error) |
| 4743 | exit(56); |
| 4744 | } |
| 4745 | |
| 4746 | static void |
| 4747 | jmp_out_of_atexit(void) |
| 4748 | { |
| 4749 | if (longjmp_at_exit) |
| 4750 | longjmp(at_exit_buf, 1); |
| 4751 | } |
| 4752 | |
| 4753 | extern void _CRT_term(void); |
| 4754 | |
| 4755 | void |
| 4756 | Perl_OS2_term(void **p, int exitstatus, int flags) |
| 4757 | { |
| 4758 | if (!emx_runtime_secondary) |
| 4759 | return; |
| 4760 | |
| 4761 | /* The principal executable is not running the same CRTL, so there |
| 4762 | is nobody to shutdown *this* CRTL except us... */ |
| 4763 | if (flags & FORCE_EMX_DEINIT_EXIT) { |
| 4764 | if (p && !emx_exception_init) |
| 4765 | DosUnsetExceptionHandler((EXCEPTIONREGISTRATIONRECORD *)p); |
| 4766 | /* Do not run the executable's CRTL's termination routines */ |
| 4767 | exit(exitstatus); /* Run at-exit, flush buffers, etc */ |
| 4768 | } |
| 4769 | /* Run at-exit list, and jump out at the end */ |
| 4770 | if ((flags & FORCE_EMX_DEINIT_RUN_ATEXIT) && !setjmp(at_exit_buf)) { |
| 4771 | longjmp_at_exit = 1; |
| 4772 | exit(exitstatus); /* The first pass through "if" */ |
| 4773 | } |
| 4774 | |
| 4775 | /* Get here if we managed to jump out of exit(), or did not run atexit. */ |
| 4776 | longjmp_at_exit = 0; /* Maybe exit() is called again? */ |
| 4777 | #if 0 /* _atexit_n is not exported */ |
| 4778 | if (flags & FORCE_EMX_DEINIT_RUN_ATEXIT) |
| 4779 | _atexit_n = 0; /* Remove the atexit() handlers */ |
| 4780 | #endif |
| 4781 | /* Will segfault on program termination if we leave this dangling... */ |
| 4782 | if (p && !emx_exception_init) |
| 4783 | DosUnsetExceptionHandler((EXCEPTIONREGISTRATIONRECORD *)p); |
| 4784 | /* Typically there is no need to do this, done from _DLL_InitTerm() */ |
| 4785 | if (flags & FORCE_EMX_DEINIT_CRT_TERM) |
| 4786 | _CRT_term(); /* Flush buffers, etc. */ |
| 4787 | /* Now it is a good time to call exit() in the caller's CRTL... */ |
| 4788 | } |
| 4789 | |
| 4790 | #include <emx/startup.h> |
| 4791 | |
| 4792 | extern ULONG __os_version(); /* See system.doc */ |
| 4793 | |
| 4794 | void |
| 4795 | check_emx_runtime(char **env, EXCEPTIONREGISTRATIONRECORD *preg) |
| 4796 | { |
| 4797 | ULONG v_crt, v_emx, count = 0, rc = NO_ERROR, rc1, maybe_inited = 0; |
| 4798 | static HMTX hmtx_emx_init = NULLHANDLE; |
| 4799 | static int emx_init_done = 0; |
| 4800 | |
| 4801 | /* If _environ is not set, this code sits in a DLL which |
| 4802 | uses a CRT DLL which not compatible with the executable's |
| 4803 | CRT library. Some parts of the DLL are not initialized. |
| 4804 | */ |
| 4805 | if (_environ != NULL) |
| 4806 | return; /* Properly initialized */ |
| 4807 | |
| 4808 | /* It is not DOS, so we may use OS/2 API now */ |
| 4809 | /* Some data we manipulate is static; protect ourselves from |
| 4810 | calling the same API from a different thread. */ |
| 4811 | DosEnterMustComplete(&count); |
| 4812 | |
| 4813 | rc1 = DosEnterCritSec(); |
| 4814 | if (!hmtx_emx_init) |
| 4815 | rc = DosCreateMutexSem(NULL, &hmtx_emx_init, 0, TRUE); /*Create owned*/ |
| 4816 | else |
| 4817 | maybe_inited = 1; |
| 4818 | |
| 4819 | if (rc != NO_ERROR) |
| 4820 | hmtx_emx_init = NULLHANDLE; |
| 4821 | |
| 4822 | if (rc1 == NO_ERROR) |
| 4823 | DosExitCritSec(); |
| 4824 | DosExitMustComplete(&count); |
| 4825 | |
| 4826 | while (maybe_inited) { /* Other thread did or is doing the same now */ |
| 4827 | if (emx_init_done) |
| 4828 | return; |
| 4829 | rc = DosRequestMutexSem(hmtx_emx_init, |
| 4830 | (ULONG) SEM_INDEFINITE_WAIT); /* Timeout (none) */ |
| 4831 | if (rc == ERROR_INTERRUPT) |
| 4832 | continue; |
| 4833 | if (rc != NO_ERROR) { |
| 4834 | char buf[80]; |
| 4835 | ULONG out; |
| 4836 | |
| 4837 | sprintf(buf, |
| 4838 | "panic: EMX backdoor init: DosRequestMutexSem error: %lu=%#lx\n", rc, rc); |
| 4839 | DosWrite(2, buf, strlen(buf), &out); |
| 4840 | return; |
| 4841 | } |
| 4842 | DosReleaseMutexSem(hmtx_emx_init); |
| 4843 | return; |
| 4844 | } |
| 4845 | |
| 4846 | /* If the executable does not use EMX.DLL, EMX.DLL is not completely |
| 4847 | initialized either. Uninitialized EMX.DLL returns 0 in the low |
| 4848 | nibble of __os_version(). */ |
| 4849 | v_emx = my_os_version(); |
| 4850 | |
| 4851 | /* _osmajor and _osminor are normally set in _DLL_InitTerm of CRT DLL |
| 4852 | (=>_CRT_init=>_entry2) via a call to __os_version(), then |
| 4853 | reset when the EXE initialization code calls _text=>_init=>_entry2. |
| 4854 | The first time they are wrongly set to 0; the second time the |
| 4855 | EXE initialization code had already called emx_init=>initialize1 |
| 4856 | which correctly set version_major, version_minor used by |
| 4857 | __os_version(). */ |
| 4858 | v_crt = (_osmajor | _osminor); |
| 4859 | |
| 4860 | if ((_emx_env & 0x200) && !(v_emx & 0xFFFF)) { /* OS/2, EMX uninit. */ |
| 4861 | force_init_emx_runtime( preg, |
| 4862 | FORCE_EMX_INIT_CONTRACT_ARGV |
| 4863 | | FORCE_EMX_INIT_INSTALL_ATEXIT ); |
| 4864 | emx_wasnt_initialized = 1; |
| 4865 | /* Update CRTL data basing on now-valid EMX runtime data */ |
| 4866 | if (!v_crt) { /* The only wrong data are the versions. */ |
| 4867 | v_emx = my_os_version(); /* *Now* it works */ |
| 4868 | *(unsigned char *)&_osmajor = v_emx & 0xFF; /* Cast out const */ |
| 4869 | *(unsigned char *)&_osminor = (v_emx>>8) & 0xFF; |
| 4870 | } |
| 4871 | } |
| 4872 | emx_runtime_secondary = 1; |
| 4873 | /* if (flags & FORCE_EMX_INIT_INSTALL_ATEXIT) */ |
| 4874 | atexit(jmp_out_of_atexit); /* Allow run of atexit() w/o exit() */ |
| 4875 | |
| 4876 | if (env == NULL) { /* Fetch from the process info block */ |
| 4877 | int c = 0; |
| 4878 | PPIB pib; |
| 4879 | PTIB tib; |
| 4880 | char *e, **ep; |
| 4881 | |
| 4882 | DosGetInfoBlocks(&tib, &pib); |
| 4883 | e = pib->pib_pchenv; |
| 4884 | while (*e) { /* Get count */ |
| 4885 | c++; |
| 4886 | e = e + strlen(e) + 1; |
| 4887 | } |
| 4888 | Newx(env, c + 1, char*); |
| 4889 | ep = env; |
| 4890 | e = pib->pib_pchenv; |
| 4891 | while (c--) { |
| 4892 | *ep++ = e; |
| 4893 | e = e + strlen(e) + 1; |
| 4894 | } |
| 4895 | *ep = NULL; |
| 4896 | } |
| 4897 | _environ = _org_environ = env; |
| 4898 | emx_init_done = 1; |
| 4899 | if (hmtx_emx_init) |
| 4900 | DosReleaseMutexSem(hmtx_emx_init); |
| 4901 | } |
| 4902 | |
| 4903 | #define ENTRY_POINT 0x10000 |
| 4904 | |
| 4905 | static int |
| 4906 | exe_is_aout(void) |
| 4907 | { |
| 4908 | struct layout_table_t *layout; |
| 4909 | if (emx_wasnt_initialized) |
| 4910 | return 0; |
| 4911 | /* Now we know that the principal executable is an EMX application |
| 4912 | - unless somebody did already play with delayed initialization... */ |
| 4913 | /* With EMX applications to determine whether it is AOUT one needs |
| 4914 | to examine the start of the executable to find "layout" */ |
| 4915 | if ( *(unsigned char*)ENTRY_POINT != 0x68 /* PUSH n */ |
| 4916 | || *(unsigned char*)(ENTRY_POINT+5) != 0xe8 /* CALL */ |
| 4917 | || *(unsigned char*)(ENTRY_POINT+10) != 0xeb /* JMP */ |
| 4918 | || *(unsigned char*)(ENTRY_POINT+12) != 0xe8) /* CALL */ |
| 4919 | return 0; /* ! EMX executable */ |
| 4920 | /* Fix alignment */ |
| 4921 | Copy((char*)(ENTRY_POINT+1), &layout, 1, struct layout_table_t*); |
| 4922 | return !(layout->flags & 2); |
| 4923 | } |
| 4924 | |
| 4925 | void |
| 4926 | Perl_OS2_init(char **env) |
| 4927 | { |
| 4928 | Perl_OS2_init3(env, 0, 0); |
| 4929 | } |
| 4930 | |
| 4931 | void |
| 4932 | Perl_OS2_init3(char **env, void **preg, int flags) |
| 4933 | { |
| 4934 | char *shell, *s; |
| 4935 | ULONG rc; |
| 4936 | |
| 4937 | _uflags (_UF_SBRK_MODEL, _UF_SBRK_ARBITRARY); |
| 4938 | MALLOC_INIT; |
| 4939 | |
| 4940 | check_emx_runtime(env, (EXCEPTIONREGISTRATIONRECORD *)preg); |
| 4941 | |
| 4942 | settmppath(); |
| 4943 | OS2_Perl_data.xs_init = &Xs_OS2_init; |
| 4944 | if (perl_sh_installed) { |
| 4945 | int l = strlen(perl_sh_installed); |
| 4946 | |
| 4947 | Newx(PL_sh_path, l + 1, char); |
| 4948 | memcpy(PL_sh_path, perl_sh_installed, l + 1); |
| 4949 | } else if ( (shell = getenv("PERL_SH_DRIVE")) ) { |
| 4950 | Newx(PL_sh_path, strlen(SH_PATH) + 1, char); |
| 4951 | strcpy(PL_sh_path, SH_PATH); |
| 4952 | PL_sh_path[0] = shell[0]; |
| 4953 | } else if ( (shell = getenv("PERL_SH_DIR")) ) { |
| 4954 | int l = strlen(shell), i; |
| 4955 | |
| 4956 | while (l && (shell[l-1] == '/' || shell[l-1] == '\\')) |
| 4957 | l--; |
| 4958 | Newx(PL_sh_path, l + 8, char); |
| 4959 | strncpy(PL_sh_path, shell, l); |
| 4960 | strcpy(PL_sh_path + l, "/sh.exe"); |
| 4961 | for (i = 0; i < l; i++) { |
| 4962 | if (PL_sh_path[i] == '\\') PL_sh_path[i] = '/'; |
| 4963 | } |
| 4964 | } |
| 4965 | #if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
| 4966 | MUTEX_INIT(&start_thread_mutex); |
| 4967 | MUTEX_INIT(&perlos2_state_mutex); |
| 4968 | #endif |
| 4969 | os2_mytype = my_type(); /* Do it before morphing. Needed? */ |
| 4970 | os2_mytype_ini = os2_mytype; |
| 4971 | Perl_os2_initial_mode = -1; /* Uninit */ |
| 4972 | |
| 4973 | s = getenv("PERL_BEGINLIBPATH"); |
| 4974 | if (s) |
| 4975 | rc = fill_extLibpath(0, s, NULL, 1, "PERL_BEGINLIBPATH"); |
| 4976 | else |
| 4977 | rc = fill_extLibpath(0, getenv("PERL_PRE_BEGINLIBPATH"), getenv("PERL_POST_BEGINLIBPATH"), 0, "PERL_(PRE/POST)_BEGINLIBPATH"); |
| 4978 | if (!rc) { |
| 4979 | s = getenv("PERL_ENDLIBPATH"); |
| 4980 | if (s) |
| 4981 | rc = fill_extLibpath(1, s, NULL, 1, "PERL_ENDLIBPATH"); |
| 4982 | else |
| 4983 | rc = fill_extLibpath(1, getenv("PERL_PRE_ENDLIBPATH"), getenv("PERL_POST_ENDLIBPATH"), 0, "PERL_(PRE/POST)_ENDLIBPATH"); |
| 4984 | } |
| 4985 | if (rc) { |
| 4986 | char buf[1024]; |
| 4987 | |
| 4988 | snprintf(buf, sizeof buf, "Error setting BEGIN/ENDLIBPATH: %s\n", |
| 4989 | os2error(rc)); |
| 4990 | DosWrite(2, buf, strlen(buf), &rc); |
| 4991 | exit(2); |
| 4992 | } |
| 4993 | |
| 4994 | _emxload_env("PERL_EMXLOAD_SECS"); |
| 4995 | /* Some DLLs reset FP flags on load. We may have been linked with them */ |
| 4996 | _control87(MCW_EM, MCW_EM); |
| 4997 | } |
| 4998 | |
| 4999 | int |
| 5000 | fd_ok(int fd) |
| 5001 | { |
| 5002 | static ULONG max_fh = 0; |
| 5003 | |
| 5004 | if (!(_emx_env & 0x200)) return 1; /* not OS/2. */ |
| 5005 | if (fd >= max_fh) { /* Renew */ |
| 5006 | LONG delta = 0; |
| 5007 | |
| 5008 | if (DosSetRelMaxFH(&delta, &max_fh)) /* Assume it OK??? */ |
| 5009 | return 1; |
| 5010 | } |
| 5011 | return fd < max_fh; |
| 5012 | } |
| 5013 | |
| 5014 | /* Kernels up to Oct 2003 trap on (invalid) dup(max_fh); [off-by-one + double fault]. */ |
| 5015 | int |
| 5016 | dup2(int from, int to) |
| 5017 | { |
| 5018 | if (fd_ok(from < to ? to : from)) |
| 5019 | return _dup2(from, to); |
| 5020 | errno = EBADF; |
| 5021 | return -1; |
| 5022 | } |
| 5023 | |
| 5024 | int |
| 5025 | dup(int from) |
| 5026 | { |
| 5027 | if (fd_ok(from)) |
| 5028 | return _dup(from); |
| 5029 | errno = EBADF; |
| 5030 | return -1; |
| 5031 | } |
| 5032 | |
| 5033 | #undef tmpnam |
| 5034 | #undef tmpfile |
| 5035 | |
| 5036 | char * |
| 5037 | my_tmpnam (char *str) |
| 5038 | { |
| 5039 | char *p = getenv("TMP"), *tpath; |
| 5040 | |
| 5041 | if (!p) p = getenv("TEMP"); |
| 5042 | tpath = tempnam(p, "pltmp"); |
| 5043 | if (str && tpath) { |
| 5044 | strcpy(str, tpath); |
| 5045 | return str; |
| 5046 | } |
| 5047 | return tpath; |
| 5048 | } |
| 5049 | |
| 5050 | FILE * |
| 5051 | my_tmpfile () |
| 5052 | { |
| 5053 | struct stat s; |
| 5054 | |
| 5055 | stat(".", &s); |
| 5056 | if (s.st_mode & S_IWOTH) { |
| 5057 | return tmpfile(); |
| 5058 | } |
| 5059 | return fopen(my_tmpnam(NULL), "w+b"); /* Race condition, but |
| 5060 | grants TMP. */ |
| 5061 | } |
| 5062 | |
| 5063 | #undef rmdir |
| 5064 | |
| 5065 | /* EMX flavors do not tolerate trailing slashes. t/op/mkdir.t has many |
| 5066 | trailing slashes, so we need to support this as well. */ |
| 5067 | |
| 5068 | int |
| 5069 | my_rmdir (__const__ char *s) |
| 5070 | { |
| 5071 | char b[MAXPATHLEN]; |
| 5072 | char *buf = b; |
| 5073 | STRLEN l = strlen(s); |
| 5074 | int rc; |
| 5075 | |
| 5076 | if (s[l-1] == '/' || s[l-1] == '\\') { /* EMX mkdir fails... */ |
| 5077 | if (l >= sizeof b) |
| 5078 | Newx(buf, l + 1, char); |
| 5079 | strcpy(buf,s); |
| 5080 | while (l > 1 && (s[l-1] == '/' || s[l-1] == '\\')) |
| 5081 | l--; |
| 5082 | buf[l] = 0; |
| 5083 | s = buf; |
| 5084 | } |
| 5085 | rc = rmdir(s); |
| 5086 | if (b != buf) |
| 5087 | Safefree(buf); |
| 5088 | return rc; |
| 5089 | } |
| 5090 | |
| 5091 | #undef mkdir |
| 5092 | |
| 5093 | int |
| 5094 | my_mkdir (__const__ char *s, long perm) |
| 5095 | { |
| 5096 | char b[MAXPATHLEN]; |
| 5097 | char *buf = b; |
| 5098 | STRLEN l = strlen(s); |
| 5099 | int rc; |
| 5100 | |
| 5101 | if (s[l-1] == '/' || s[l-1] == '\\') { /* EMX mkdir fails... */ |
| 5102 | if (l >= sizeof b) |
| 5103 | Newx(buf, l + 1, char); |
| 5104 | strcpy(buf,s); |
| 5105 | while (l > 1 && (s[l-1] == '/' || s[l-1] == '\\')) |
| 5106 | l--; |
| 5107 | buf[l] = 0; |
| 5108 | s = buf; |
| 5109 | } |
| 5110 | rc = mkdir(s, perm); |
| 5111 | if (b != buf) |
| 5112 | Safefree(buf); |
| 5113 | return rc; |
| 5114 | } |
| 5115 | |
| 5116 | #undef flock |
| 5117 | |
| 5118 | /* This code was contributed by Rocco Caputo. */ |
| 5119 | int |
| 5120 | my_flock(int handle, int o) |
| 5121 | { |
| 5122 | FILELOCK rNull, rFull; |
| 5123 | ULONG timeout, handle_type, flag_word; |
| 5124 | APIRET rc; |
| 5125 | int blocking, shared; |
| 5126 | static int use_my_flock = -1; |
| 5127 | |
| 5128 | if (use_my_flock == -1) { |
| 5129 | MUTEX_LOCK(&perlos2_state_mutex); |
| 5130 | if (use_my_flock == -1) { |
| 5131 | char *s = getenv("USE_PERL_FLOCK"); |
| 5132 | if (s) |
| 5133 | use_my_flock = atoi(s); |
| 5134 | else |
| 5135 | use_my_flock = 1; |
| 5136 | } |
| 5137 | MUTEX_UNLOCK(&perlos2_state_mutex); |
| 5138 | } |
| 5139 | if (!(_emx_env & 0x200) || !use_my_flock) |
| 5140 | return flock(handle, o); /* Delegate to EMX. */ |
| 5141 | |
| 5142 | /* is this a file? */ |
| 5143 | if ((DosQueryHType(handle, &handle_type, &flag_word) != 0) || |
| 5144 | (handle_type & 0xFF)) |
| 5145 | { |
| 5146 | errno = EBADF; |
| 5147 | return -1; |
| 5148 | } |
| 5149 | /* set lock/unlock ranges */ |
| 5150 | rNull.lOffset = rNull.lRange = rFull.lOffset = 0; |
| 5151 | rFull.lRange = 0x7FFFFFFF; |
| 5152 | /* set timeout for blocking */ |
| 5153 | timeout = ((blocking = !(o & LOCK_NB))) ? 100 : 1; |
| 5154 | /* shared or exclusive? */ |
| 5155 | shared = (o & LOCK_SH) ? 1 : 0; |
| 5156 | /* do not block the unlock */ |
| 5157 | if (o & (LOCK_UN | LOCK_SH | LOCK_EX)) { |
| 5158 | rc = DosSetFileLocks(handle, &rFull, &rNull, timeout, shared); |
| 5159 | switch (rc) { |
| 5160 | case 0: |
| 5161 | errno = 0; |
| 5162 | return 0; |
| 5163 | case ERROR_INVALID_HANDLE: |
| 5164 | errno = EBADF; |
| 5165 | return -1; |
| 5166 | case ERROR_SHARING_BUFFER_EXCEEDED: |
| 5167 | errno = ENOLCK; |
| 5168 | return -1; |
| 5169 | case ERROR_LOCK_VIOLATION: |
| 5170 | break; /* not an error */ |
| 5171 | case ERROR_INVALID_PARAMETER: |
| 5172 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
| 5173 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
| 5174 | errno = EINVAL; |
| 5175 | return -1; |
| 5176 | case ERROR_INTERRUPT: |
| 5177 | errno = EINTR; |
| 5178 | return -1; |
| 5179 | default: |
| 5180 | errno = EINVAL; |
| 5181 | return -1; |
| 5182 | } |
| 5183 | } |
| 5184 | /* lock may block */ |
| 5185 | if (o & (LOCK_SH | LOCK_EX)) { |
| 5186 | /* for blocking operations */ |
| 5187 | for (;;) { |
| 5188 | rc = |
| 5189 | DosSetFileLocks( |
| 5190 | handle, |
| 5191 | &rNull, |
| 5192 | &rFull, |
| 5193 | timeout, |
| 5194 | shared |
| 5195 | ); |
| 5196 | switch (rc) { |
| 5197 | case 0: |
| 5198 | errno = 0; |
| 5199 | return 0; |
| 5200 | case ERROR_INVALID_HANDLE: |
| 5201 | errno = EBADF; |
| 5202 | return -1; |
| 5203 | case ERROR_SHARING_BUFFER_EXCEEDED: |
| 5204 | errno = ENOLCK; |
| 5205 | return -1; |
| 5206 | case ERROR_LOCK_VIOLATION: |
| 5207 | if (!blocking) { |
| 5208 | errno = EWOULDBLOCK; |
| 5209 | return -1; |
| 5210 | } |
| 5211 | break; |
| 5212 | case ERROR_INVALID_PARAMETER: |
| 5213 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
| 5214 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
| 5215 | errno = EINVAL; |
| 5216 | return -1; |
| 5217 | case ERROR_INTERRUPT: |
| 5218 | errno = EINTR; |
| 5219 | return -1; |
| 5220 | default: |
| 5221 | errno = EINVAL; |
| 5222 | return -1; |
| 5223 | } |
| 5224 | /* give away timeslice */ |
| 5225 | DosSleep(1); |
| 5226 | } |
| 5227 | } |
| 5228 | |
| 5229 | errno = 0; |
| 5230 | return 0; |
| 5231 | } |
| 5232 | |
| 5233 | static int |
| 5234 | use_my_pwent(void) |
| 5235 | { |
| 5236 | if (_my_pwent == -1) { |
| 5237 | char *s = getenv("USE_PERL_PWENT"); |
| 5238 | if (s) |
| 5239 | _my_pwent = atoi(s); |
| 5240 | else |
| 5241 | _my_pwent = 1; |
| 5242 | } |
| 5243 | return _my_pwent; |
| 5244 | } |
| 5245 | |
| 5246 | #undef setpwent |
| 5247 | #undef getpwent |
| 5248 | #undef endpwent |
| 5249 | |
| 5250 | void |
| 5251 | my_setpwent(void) |
| 5252 | { |
| 5253 | if (!use_my_pwent()) { |
| 5254 | setpwent(); /* Delegate to EMX. */ |
| 5255 | return; |
| 5256 | } |
| 5257 | pwent_cnt = 0; |
| 5258 | } |
| 5259 | |
| 5260 | void |
| 5261 | my_endpwent(void) |
| 5262 | { |
| 5263 | if (!use_my_pwent()) { |
| 5264 | endpwent(); /* Delegate to EMX. */ |
| 5265 | return; |
| 5266 | } |
| 5267 | } |
| 5268 | |
| 5269 | struct passwd * |
| 5270 | my_getpwent (void) |
| 5271 | { |
| 5272 | if (!use_my_pwent()) |
| 5273 | return getpwent(); /* Delegate to EMX. */ |
| 5274 | if (pwent_cnt++) |
| 5275 | return 0; /* Return one entry only */ |
| 5276 | return getpwuid(0); |
| 5277 | } |
| 5278 | |
| 5279 | void |
| 5280 | setgrent(void) |
| 5281 | { |
| 5282 | grent_cnt = 0; |
| 5283 | } |
| 5284 | |
| 5285 | void |
| 5286 | endgrent(void) |
| 5287 | { |
| 5288 | } |
| 5289 | |
| 5290 | struct group * |
| 5291 | getgrent (void) |
| 5292 | { |
| 5293 | if (grent_cnt++) |
| 5294 | return 0; /* Return one entry only */ |
| 5295 | return getgrgid(0); |
| 5296 | } |
| 5297 | |
| 5298 | #undef getpwuid |
| 5299 | #undef getpwnam |
| 5300 | |
| 5301 | /* Too long to be a crypt() of anything, so it is not-a-valid pw_passwd. */ |
| 5302 | static const char pw_p[] = "Jf0Wb/BzMFvk7K7lrzK"; |
| 5303 | |
| 5304 | static struct passwd * |
| 5305 | passw_wrap(struct passwd *p) |
| 5306 | { |
| 5307 | char *s; |
| 5308 | |
| 5309 | if (!p || (p->pw_passwd && *p->pw_passwd)) /* Not a dangerous password */ |
| 5310 | return p; |
| 5311 | pw = *p; |
| 5312 | s = getenv("PW_PASSWD"); |
| 5313 | if (!s) |
| 5314 | s = (char*)pw_p; /* Make match impossible */ |
| 5315 | |
| 5316 | pw.pw_passwd = s; |
| 5317 | return &pw; |
| 5318 | } |
| 5319 | |
| 5320 | struct passwd * |
| 5321 | my_getpwuid (uid_t id) |
| 5322 | { |
| 5323 | return passw_wrap(getpwuid(id)); |
| 5324 | } |
| 5325 | |
| 5326 | struct passwd * |
| 5327 | my_getpwnam (__const__ char *n) |
| 5328 | { |
| 5329 | return passw_wrap(getpwnam(n)); |
| 5330 | } |
| 5331 | |
| 5332 | char * |
| 5333 | gcvt_os2 (double value, int digits, char *buffer) |
| 5334 | { |
| 5335 | double absv = value > 0 ? value : -value; |
| 5336 | /* EMX implementation is lousy between 0.1 and 0.0001 (uses exponents below |
| 5337 | 0.1), 1-digit stuff is ok below 0.001; multi-digit below 0.0001. */ |
| 5338 | int buggy; |
| 5339 | |
| 5340 | absv *= 10000; |
| 5341 | buggy = (absv < 1000 && (absv >= 10 || (absv > 1 && floor(absv) != absv))); |
| 5342 | |
| 5343 | if (buggy) { |
| 5344 | char pat[12]; |
| 5345 | |
| 5346 | sprintf(pat, "%%.%dg", digits); |
| 5347 | sprintf(buffer, pat, value); |
| 5348 | return buffer; |
| 5349 | } |
| 5350 | return gcvt (value, digits, buffer); |
| 5351 | } |
| 5352 | |
| 5353 | #undef fork |
| 5354 | int fork_with_resources() |
| 5355 | { |
| 5356 | #if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) && !defined(USE_SLOW_THREAD_SPECIFIC) |
| 5357 | dTHX; |
| 5358 | void *ctx = PERL_GET_CONTEXT; |
| 5359 | #endif |
| 5360 | unsigned fpflag = _control87(0,0); |
| 5361 | int rc = fork(); |
| 5362 | |
| 5363 | if (rc == 0) { /* child */ |
| 5364 | #if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) && !defined(USE_SLOW_THREAD_SPECIFIC) |
| 5365 | ALLOC_THREAD_KEY; /* Acquire the thread-local memory */ |
| 5366 | PERL_SET_CONTEXT(ctx); /* Reinit the thread-local memory */ |
| 5367 | #endif |
| 5368 | |
| 5369 | { /* Reload loaded-on-demand DLLs */ |
| 5370 | struct dll_handle_t *dlls = dll_handles; |
| 5371 | |
| 5372 | while (dlls->modname) { |
| 5373 | char dllname[260], fail[260]; |
| 5374 | ULONG rc; |
| 5375 | |
| 5376 | if (!dlls->handle) { /* Was not loaded */ |
| 5377 | dlls++; |
| 5378 | continue; |
| 5379 | } |
| 5380 | /* It was loaded in the parent. We need to reload it. */ |
| 5381 | |
| 5382 | rc = DosQueryModuleName(dlls->handle, sizeof(dllname), dllname); |
| 5383 | if (rc) { |
| 5384 | Perl_warn_nocontext("Can't find DLL name for the module `%s' by the handle %d, rc=%lu=%#lx", |
| 5385 | dlls->modname, (int)dlls->handle, rc, rc); |
| 5386 | dlls++; |
| 5387 | continue; |
| 5388 | } |
| 5389 | rc = DosLoadModule(fail, sizeof fail, dllname, &dlls->handle); |
| 5390 | if (rc) |
| 5391 | Perl_warn_nocontext("Can't load DLL `%s', possible problematic module `%s'", |
| 5392 | dllname, fail); |
| 5393 | dlls++; |
| 5394 | } |
| 5395 | } |
| 5396 | |
| 5397 | { /* Support message queue etc. */ |
| 5398 | os2_mytype = my_type(); |
| 5399 | /* Apparently, subprocesses (in particular, fork()) do not |
| 5400 | inherit the morphed state, so os2_mytype is the same as |
| 5401 | os2_mytype_ini. */ |
| 5402 | |
| 5403 | if (Perl_os2_initial_mode != -1 |
| 5404 | && Perl_os2_initial_mode != os2_mytype) { |
| 5405 | /* XXXX ??? */ |
| 5406 | } |
| 5407 | } |
| 5408 | if (Perl_HAB_set) |
| 5409 | (void)_obtain_Perl_HAB; |
| 5410 | if (Perl_hmq_refcnt) { |
| 5411 | if (my_type() != 3) |
| 5412 | my_type_set(3); |
| 5413 | Create_HMQ(Perl_hmq_servers != 0, |
| 5414 | "Cannot create a message queue on fork"); |
| 5415 | } |
| 5416 | |
| 5417 | /* We may have loaded some modules */ |
| 5418 | _control87(fpflag, MCW_EM); /* Some modules reset FP flags on (un)load */ |
| 5419 | } |
| 5420 | return rc; |
| 5421 | } |
| 5422 | |
| 5423 | /* APIRET APIENTRY DosGetInfoSeg(PSEL pselGlobal, PSEL pselLocal); */ |
| 5424 | |
| 5425 | ULONG _THUNK_FUNCTION(Dos16GetInfoSeg)(USHORT *pGlobal, USHORT *pLocal); |
| 5426 | |
| 5427 | APIRET APIENTRY |
| 5428 | myDosGetInfoSeg(PGINFOSEG *pGlobal, PLINFOSEG *pLocal) |
| 5429 | { |
| 5430 | APIRET rc; |
| 5431 | USHORT gSel, lSel; /* Will not cross 64K boundary */ |
| 5432 | |
| 5433 | rc = ((USHORT) |
| 5434 | (_THUNK_PROLOG (4+4); |
| 5435 | _THUNK_FLAT (&gSel); |
| 5436 | _THUNK_FLAT (&lSel); |
| 5437 | _THUNK_CALL (Dos16GetInfoSeg))); |
| 5438 | if (rc) |
| 5439 | return rc; |
| 5440 | *pGlobal = MAKEPGINFOSEG(gSel); |
| 5441 | *pLocal = MAKEPLINFOSEG(lSel); |
| 5442 | return rc; |
| 5443 | } |
| 5444 | |
| 5445 | static void |
| 5446 | GetInfoTables(void) |
| 5447 | { |
| 5448 | ULONG rc = 0; |
| 5449 | |
| 5450 | MUTEX_LOCK(&perlos2_state_mutex); |
| 5451 | if (!gTable) |
| 5452 | rc = myDosGetInfoSeg(&gTable, &lTable); |
| 5453 | MUTEX_UNLOCK(&perlos2_state_mutex); |
| 5454 | os2cp_croak(rc, "Dos16GetInfoSeg"); |
| 5455 | } |
| 5456 | |
| 5457 | ULONG |
| 5458 | msCounter(void) |
| 5459 | { /* XXXX Is not lTable thread-specific? */ |
| 5460 | if (!gTable) |
| 5461 | GetInfoTables(); |
| 5462 | return gTable->SIS_MsCount; |
| 5463 | } |
| 5464 | |
| 5465 | ULONG |
| 5466 | InfoTable(int local) |
| 5467 | { |
| 5468 | if (!gTable) |
| 5469 | GetInfoTables(); |
| 5470 | return local ? (ULONG)lTable : (ULONG)gTable; |
| 5471 | } |