| 1 | #define INCL_DOS |
| 2 | #define INCL_NOPM |
| 3 | #define INCL_DOSFILEMGR |
| 4 | #define INCL_DOSMEMMGR |
| 5 | #define INCL_DOSERRORS |
| 6 | #include <os2.h> |
| 7 | |
| 8 | /* |
| 9 | * Various Unix compatibility functions for OS/2 |
| 10 | */ |
| 11 | |
| 12 | #include <stdio.h> |
| 13 | #include <errno.h> |
| 14 | #include <limits.h> |
| 15 | #include <process.h> |
| 16 | #include <fcntl.h> |
| 17 | |
| 18 | #include "EXTERN.h" |
| 19 | #include "perl.h" |
| 20 | |
| 21 | /*****************************************************************************/ |
| 22 | /* 2.1 would not resolve symbols on demand, and has no ExtLIBPATH. */ |
| 23 | static PFN ExtFCN[2]; /* Labeled by ord below. */ |
| 24 | static USHORT loadOrd[2] = { 874, 873 }; /* Query=874, Set=873. */ |
| 25 | #define ORD_QUERY_ELP 0 |
| 26 | #define ORD_SET_ELP 1 |
| 27 | |
| 28 | APIRET |
| 29 | loadByOrd(ULONG ord) |
| 30 | { |
| 31 | if (ExtFCN[ord] == NULL) { |
| 32 | static HMODULE hdosc = 0; |
| 33 | BYTE buf[20]; |
| 34 | PFN fcn; |
| 35 | APIRET rc; |
| 36 | |
| 37 | if ((!hdosc && CheckOSError(DosLoadModule(buf, sizeof buf, |
| 38 | "doscalls", &hdosc))) |
| 39 | || CheckOSError(DosQueryProcAddr(hdosc, loadOrd[ord], NULL, &fcn))) |
| 40 | die("This version of OS/2 does not support doscalls.%i", |
| 41 | loadOrd[ord]); |
| 42 | ExtFCN[ord] = fcn; |
| 43 | } |
| 44 | if ((long)ExtFCN[ord] == -1) die("panic queryaddr"); |
| 45 | } |
| 46 | |
| 47 | /* priorities */ |
| 48 | static signed char priors[] = {0, 1, 3, 2}; /* Last two interchanged, |
| 49 | self inverse. */ |
| 50 | #define QSS_INI_BUFFER 1024 |
| 51 | |
| 52 | PQTOPLEVEL |
| 53 | get_sysinfo(ULONG pid, ULONG flags) |
| 54 | { |
| 55 | char *pbuffer; |
| 56 | ULONG rc, buf_len = QSS_INI_BUFFER; |
| 57 | |
| 58 | New(1322, pbuffer, buf_len, char); |
| 59 | /* QSS_PROCESS | QSS_MODULE | QSS_SEMAPHORES | QSS_SHARED */ |
| 60 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
| 61 | while (rc == ERROR_BUFFER_OVERFLOW) { |
| 62 | Renew(pbuffer, buf_len *= 2, char); |
| 63 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
| 64 | } |
| 65 | if (rc) { |
| 66 | FillOSError(rc); |
| 67 | Safefree(pbuffer); |
| 68 | return 0; |
| 69 | } |
| 70 | return (PQTOPLEVEL)pbuffer; |
| 71 | } |
| 72 | |
| 73 | #define PRIO_ERR 0x1111 |
| 74 | |
| 75 | static ULONG |
| 76 | sys_prio(pid) |
| 77 | { |
| 78 | ULONG prio; |
| 79 | PQTOPLEVEL psi; |
| 80 | |
| 81 | psi = get_sysinfo(pid, QSS_PROCESS); |
| 82 | if (!psi) { |
| 83 | return PRIO_ERR; |
| 84 | } |
| 85 | if (pid != psi->procdata->pid) { |
| 86 | Safefree(psi); |
| 87 | croak("panic: wrong pid in sysinfo"); |
| 88 | } |
| 89 | prio = psi->procdata->threads->priority; |
| 90 | Safefree(psi); |
| 91 | return prio; |
| 92 | } |
| 93 | |
| 94 | int |
| 95 | setpriority(int which, int pid, int val) |
| 96 | { |
| 97 | ULONG rc, prio; |
| 98 | PQTOPLEVEL psi; |
| 99 | |
| 100 | prio = sys_prio(pid); |
| 101 | |
| 102 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
| 103 | if (priors[(32 - val) >> 5] + 1 == (prio >> 8)) { |
| 104 | /* Do not change class. */ |
| 105 | return CheckOSError(DosSetPriority((pid < 0) |
| 106 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
| 107 | 0, |
| 108 | (32 - val) % 32 - (prio & 0xFF), |
| 109 | abs(pid))) |
| 110 | ? -1 : 0; |
| 111 | } else /* if ((32 - val) % 32 == (prio & 0xFF)) */ { |
| 112 | /* Documentation claims one can change both class and basevalue, |
| 113 | * but I find it wrong. */ |
| 114 | /* Change class, but since delta == 0 denotes absolute 0, correct. */ |
| 115 | if (CheckOSError(DosSetPriority((pid < 0) |
| 116 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
| 117 | priors[(32 - val) >> 5] + 1, |
| 118 | 0, |
| 119 | abs(pid)))) |
| 120 | return -1; |
| 121 | if ( ((32 - val) % 32) == 0 ) return 0; |
| 122 | return CheckOSError(DosSetPriority((pid < 0) |
| 123 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
| 124 | 0, |
| 125 | (32 - val) % 32, |
| 126 | abs(pid))) |
| 127 | ? -1 : 0; |
| 128 | } |
| 129 | /* else return CheckOSError(DosSetPriority((pid < 0) */ |
| 130 | /* ? PRTYS_PROCESSTREE : PRTYS_PROCESS, */ |
| 131 | /* priors[(32 - val) >> 5] + 1, */ |
| 132 | /* (32 - val) % 32 - (prio & 0xFF), */ |
| 133 | /* abs(pid))) */ |
| 134 | /* ? -1 : 0; */ |
| 135 | } |
| 136 | |
| 137 | int |
| 138 | getpriority(int which /* ignored */, int pid) |
| 139 | { |
| 140 | TIB *tib; |
| 141 | PIB *pib; |
| 142 | ULONG rc, ret; |
| 143 | |
| 144 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
| 145 | /* DosGetInfoBlocks has old priority! */ |
| 146 | /* if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) return -1; */ |
| 147 | /* if (pid != pib->pib_ulpid) { */ |
| 148 | ret = sys_prio(pid); |
| 149 | if (ret == PRIO_ERR) { |
| 150 | return -1; |
| 151 | } |
| 152 | /* } else */ |
| 153 | /* ret = tib->tib_ptib2->tib2_ulpri; */ |
| 154 | return (1 - priors[((ret >> 8) - 1)])*32 - (ret & 0xFF); |
| 155 | } |
| 156 | |
| 157 | /*****************************************************************************/ |
| 158 | /* spawn */ |
| 159 | typedef void (*Sigfunc) _((int)); |
| 160 | |
| 161 | static int |
| 162 | result(int flag, int pid) |
| 163 | { |
| 164 | int r, status; |
| 165 | Signal_t (*ihand)(); /* place to save signal during system() */ |
| 166 | Signal_t (*qhand)(); /* place to save signal during system() */ |
| 167 | #ifndef __EMX__ |
| 168 | RESULTCODES res; |
| 169 | int rpid; |
| 170 | #endif |
| 171 | |
| 172 | if (pid < 0 || flag != 0) |
| 173 | return pid; |
| 174 | |
| 175 | #ifdef __EMX__ |
| 176 | ihand = rsignal(SIGINT, SIG_IGN); |
| 177 | qhand = rsignal(SIGQUIT, SIG_IGN); |
| 178 | do { |
| 179 | r = wait4pid(pid, &status, 0); |
| 180 | } while (r == -1 && errno == EINTR); |
| 181 | rsignal(SIGINT, ihand); |
| 182 | rsignal(SIGQUIT, qhand); |
| 183 | |
| 184 | statusvalue = (U16)status; |
| 185 | if (r < 0) |
| 186 | return -1; |
| 187 | return status & 0xFFFF; |
| 188 | #else |
| 189 | ihand = rsignal(SIGINT, SIG_IGN); |
| 190 | r = DosWaitChild(DCWA_PROCESS, DCWW_WAIT, &res, &rpid, pid); |
| 191 | rsignal(SIGINT, ihand); |
| 192 | statusvalue = res.codeResult << 8 | res.codeTerminate; |
| 193 | if (r) |
| 194 | return -1; |
| 195 | return statusvalue; |
| 196 | #endif |
| 197 | } |
| 198 | |
| 199 | int |
| 200 | do_aspawn(really,mark,sp) |
| 201 | SV *really; |
| 202 | register SV **mark; |
| 203 | register SV **sp; |
| 204 | { |
| 205 | register char **a; |
| 206 | char *tmps = NULL; |
| 207 | int rc; |
| 208 | int flag = P_WAIT, trueflag, err, secondtry = 0; |
| 209 | |
| 210 | if (sp > mark) { |
| 211 | New(1301,Argv, sp - mark + 3, char*); |
| 212 | a = Argv; |
| 213 | |
| 214 | if (mark < sp && SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) { |
| 215 | ++mark; |
| 216 | flag = SvIVx(*mark); |
| 217 | } |
| 218 | |
| 219 | while (++mark <= sp) { |
| 220 | if (*mark) |
| 221 | *a++ = SvPVx(*mark, na); |
| 222 | else |
| 223 | *a++ = ""; |
| 224 | } |
| 225 | *a = Nullch; |
| 226 | |
| 227 | trueflag = flag; |
| 228 | if (flag == P_WAIT) |
| 229 | flag = P_NOWAIT; |
| 230 | |
| 231 | if (strEQ(Argv[0],"/bin/sh")) Argv[0] = sh_path; |
| 232 | |
| 233 | if (Argv[0][0] != '/' && Argv[0][0] != '\\' |
| 234 | && !(Argv[0][0] && Argv[0][1] == ':' |
| 235 | && (Argv[0][2] == '/' || Argv[0][2] != '\\')) |
| 236 | ) /* will swawnvp use PATH? */ |
| 237 | TAINT_ENV(); /* testing IFS here is overkill, probably */ |
| 238 | /* We should check PERL_SH* and PERLLIB_* as well? */ |
| 239 | retry: |
| 240 | if (really && *(tmps = SvPV(really, na))) |
| 241 | rc = result(trueflag, spawnvp(flag,tmps,Argv)); |
| 242 | else |
| 243 | rc = result(trueflag, spawnvp(flag,Argv[0],Argv)); |
| 244 | |
| 245 | if (rc < 0 && secondtry == 0 |
| 246 | && (!tmps || !*tmps)) { /* Cannot transfer `really' via shell. */ |
| 247 | err = errno; |
| 248 | if (err == ENOENT) { /* No such file. */ |
| 249 | /* One reason may be that EMX added .exe. We suppose |
| 250 | that .exe-less files are automatically shellable. */ |
| 251 | char *no_dir; |
| 252 | (no_dir = strrchr(Argv[0], '/')) |
| 253 | || (no_dir = strrchr(Argv[0], '\\')) |
| 254 | || (no_dir = Argv[0]); |
| 255 | if (!strchr(no_dir, '.')) { |
| 256 | struct stat buffer; |
| 257 | if (stat(Argv[0], &buffer) != -1) { /* File exists. */ |
| 258 | /* Maybe we need to specify the full name here? */ |
| 259 | goto doshell; |
| 260 | } |
| 261 | } |
| 262 | } else if (err == ENOEXEC) { /* Need to send to shell. */ |
| 263 | doshell: |
| 264 | while (a >= Argv) { |
| 265 | *(a + 2) = *a; |
| 266 | a--; |
| 267 | } |
| 268 | *Argv = sh_path; |
| 269 | *(Argv + 1) = "-c"; |
| 270 | secondtry = 1; |
| 271 | goto retry; |
| 272 | } |
| 273 | } |
| 274 | if (rc < 0 && dowarn) |
| 275 | warn("Can't spawn \"%s\": %s", Argv[0], Strerror(errno)); |
| 276 | if (rc < 0) rc = 255 << 8; /* Emulate the fork(). */ |
| 277 | } else |
| 278 | rc = -1; |
| 279 | do_execfree(); |
| 280 | return rc; |
| 281 | } |
| 282 | |
| 283 | #define EXECF_SPAWN 0 |
| 284 | #define EXECF_EXEC 1 |
| 285 | #define EXECF_TRUEEXEC 2 |
| 286 | #define EXECF_SPAWN_NOWAIT 3 |
| 287 | |
| 288 | int |
| 289 | do_spawn2(cmd, execf) |
| 290 | char *cmd; |
| 291 | int execf; |
| 292 | { |
| 293 | register char **a; |
| 294 | register char *s; |
| 295 | char flags[10]; |
| 296 | char *shell, *copt, *news = NULL; |
| 297 | int rc, added_shell = 0, err; |
| 298 | char fullcmd[MAXNAMLEN + 1]; |
| 299 | |
| 300 | #ifdef TRYSHELL |
| 301 | if ((shell = getenv("EMXSHELL")) != NULL) |
| 302 | copt = "-c"; |
| 303 | else if ((shell = getenv("SHELL")) != NULL) |
| 304 | copt = "-c"; |
| 305 | else if ((shell = getenv("COMSPEC")) != NULL) |
| 306 | copt = "/C"; |
| 307 | else |
| 308 | shell = "cmd.exe"; |
| 309 | #else |
| 310 | /* Consensus on perl5-porters is that it is _very_ important to |
| 311 | have a shell which will not change between computers with the |
| 312 | same architecture, to avoid "action on a distance". |
| 313 | And to have simple build, this shell should be sh. */ |
| 314 | shell = sh_path; |
| 315 | copt = "-c"; |
| 316 | #endif |
| 317 | |
| 318 | while (*cmd && isSPACE(*cmd)) |
| 319 | cmd++; |
| 320 | |
| 321 | if (strnEQ(cmd,"/bin/sh",7) && isSPACE(cmd[7])) { |
| 322 | STRLEN l = strlen(sh_path); |
| 323 | |
| 324 | New(1302, news, strlen(cmd) - 7 + l + 1, char); |
| 325 | strcpy(news, sh_path); |
| 326 | strcpy(news + l, cmd + 7); |
| 327 | cmd = news; |
| 328 | added_shell = 1; |
| 329 | } |
| 330 | |
| 331 | /* save an extra exec if possible */ |
| 332 | /* see if there are shell metacharacters in it */ |
| 333 | |
| 334 | if (*cmd == '.' && isSPACE(cmd[1])) |
| 335 | goto doshell; |
| 336 | |
| 337 | if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4])) |
| 338 | goto doshell; |
| 339 | |
| 340 | for (s = cmd; *s && isALPHA(*s); s++) ; /* catch VAR=val gizmo */ |
| 341 | if (*s == '=') |
| 342 | goto doshell; |
| 343 | |
| 344 | for (s = cmd; *s; s++) { |
| 345 | if (*s != ' ' && !isALPHA(*s) && strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) { |
| 346 | if (*s == '\n' && s[1] == '\0') { |
| 347 | *s = '\0'; |
| 348 | break; |
| 349 | } |
| 350 | doshell: |
| 351 | if (execf == EXECF_TRUEEXEC) |
| 352 | return execl(shell,shell,copt,cmd,(char*)0); |
| 353 | else if (execf == EXECF_EXEC) |
| 354 | return spawnl(P_OVERLAY,shell,shell,copt,cmd,(char*)0); |
| 355 | else if (execf == EXECF_SPAWN_NOWAIT) |
| 356 | return spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0); |
| 357 | /* In the ak code internal P_NOWAIT is P_WAIT ??? */ |
| 358 | rc = result(P_WAIT, |
| 359 | spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0)); |
| 360 | if (rc < 0 && dowarn) |
| 361 | warn("Can't %s \"%s\": %s", |
| 362 | (execf == EXECF_SPAWN ? "spawn" : "exec"), |
| 363 | shell, Strerror(errno)); |
| 364 | if (rc < 0) rc = 255 << 8; /* Emulate the fork(). */ |
| 365 | if (news) Safefree(news); |
| 366 | return rc; |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | New(1303,Argv, (s - cmd) / 2 + 2, char*); |
| 371 | Cmd = savepvn(cmd, s-cmd); |
| 372 | a = Argv; |
| 373 | for (s = Cmd; *s;) { |
| 374 | while (*s && isSPACE(*s)) s++; |
| 375 | if (*s) |
| 376 | *(a++) = s; |
| 377 | while (*s && !isSPACE(*s)) s++; |
| 378 | if (*s) |
| 379 | *s++ = '\0'; |
| 380 | } |
| 381 | *a = Nullch; |
| 382 | if (Argv[0]) { |
| 383 | int err; |
| 384 | |
| 385 | if (execf == EXECF_TRUEEXEC) |
| 386 | rc = execvp(Argv[0],Argv); |
| 387 | else if (execf == EXECF_EXEC) |
| 388 | rc = spawnvp(P_OVERLAY,Argv[0],Argv); |
| 389 | else if (execf == EXECF_SPAWN_NOWAIT) |
| 390 | rc = spawnvp(P_NOWAIT,Argv[0],Argv); |
| 391 | else |
| 392 | rc = result(P_WAIT, spawnvp(P_NOWAIT,Argv[0],Argv)); |
| 393 | if (rc < 0) { |
| 394 | err = errno; |
| 395 | if (err == ENOENT) { /* No such file. */ |
| 396 | /* One reason may be that EMX added .exe. We suppose |
| 397 | that .exe-less files are automatically shellable. */ |
| 398 | char *no_dir; |
| 399 | (no_dir = strrchr(Argv[0], '/')) |
| 400 | || (no_dir = strrchr(Argv[0], '\\')) |
| 401 | || (no_dir = Argv[0]); |
| 402 | if (!strchr(no_dir, '.')) { |
| 403 | struct stat buffer; |
| 404 | if (stat(Argv[0], &buffer) != -1) { /* File exists. */ |
| 405 | /* Maybe we need to specify the full name here? */ |
| 406 | goto doshell; |
| 407 | } |
| 408 | } |
| 409 | } else if (err == ENOEXEC) { /* Need to send to shell. */ |
| 410 | goto doshell; |
| 411 | } |
| 412 | } |
| 413 | if (rc < 0 && dowarn) |
| 414 | warn("Can't %s \"%s\": %s", |
| 415 | ((execf != EXECF_EXEC && execf != EXECF_TRUEEXEC) |
| 416 | ? "spawn" : "exec"), |
| 417 | Argv[0], Strerror(err)); |
| 418 | if (rc < 0) rc = 255 << 8; /* Emulate the fork(). */ |
| 419 | } else |
| 420 | rc = -1; |
| 421 | if (news) Safefree(news); |
| 422 | do_execfree(); |
| 423 | return rc; |
| 424 | } |
| 425 | |
| 426 | int |
| 427 | do_spawn(cmd) |
| 428 | char *cmd; |
| 429 | { |
| 430 | return do_spawn2(cmd, EXECF_SPAWN); |
| 431 | } |
| 432 | |
| 433 | int |
| 434 | do_spawn_nowait(cmd) |
| 435 | char *cmd; |
| 436 | { |
| 437 | return do_spawn2(cmd, EXECF_SPAWN_NOWAIT); |
| 438 | } |
| 439 | |
| 440 | bool |
| 441 | do_exec(cmd) |
| 442 | char *cmd; |
| 443 | { |
| 444 | return do_spawn2(cmd, EXECF_EXEC); |
| 445 | } |
| 446 | |
| 447 | bool |
| 448 | os2exec(cmd) |
| 449 | char *cmd; |
| 450 | { |
| 451 | return do_spawn2(cmd, EXECF_TRUEEXEC); |
| 452 | } |
| 453 | |
| 454 | PerlIO * |
| 455 | my_syspopen(cmd,mode) |
| 456 | char *cmd; |
| 457 | char *mode; |
| 458 | { |
| 459 | #ifndef USE_POPEN |
| 460 | |
| 461 | int p[2]; |
| 462 | register I32 this, that, newfd; |
| 463 | register I32 pid, rc; |
| 464 | PerlIO *res; |
| 465 | SV *sv; |
| 466 | |
| 467 | if (pipe(p) < 0) |
| 468 | return Nullfp; |
| 469 | /* `this' is what we use in the parent, `that' in the child. */ |
| 470 | this = (*mode == 'w'); |
| 471 | that = !this; |
| 472 | if (tainting) { |
| 473 | taint_env(); |
| 474 | taint_proper("Insecure %s%s", "EXEC"); |
| 475 | } |
| 476 | /* Now we need to spawn the child. */ |
| 477 | newfd = dup(*mode == 'r'); /* Preserve std* */ |
| 478 | if (p[that] != (*mode == 'r')) { |
| 479 | dup2(p[that], *mode == 'r'); |
| 480 | close(p[that]); |
| 481 | } |
| 482 | /* Where is `this' and newfd now? */ |
| 483 | fcntl(p[this], F_SETFD, FD_CLOEXEC); |
| 484 | fcntl(newfd, F_SETFD, FD_CLOEXEC); |
| 485 | pid = do_spawn_nowait(cmd); |
| 486 | if (newfd != (*mode == 'r')) { |
| 487 | dup2(newfd, *mode == 'r'); /* Return std* back. */ |
| 488 | close(newfd); |
| 489 | } |
| 490 | close(p[that]); |
| 491 | if (pid == -1) { |
| 492 | close(p[this]); |
| 493 | return NULL; |
| 494 | } |
| 495 | if (p[that] < p[this]) { |
| 496 | dup2(p[this], p[that]); |
| 497 | close(p[this]); |
| 498 | p[this] = p[that]; |
| 499 | } |
| 500 | sv = *av_fetch(fdpid,p[this],TRUE); |
| 501 | (void)SvUPGRADE(sv,SVt_IV); |
| 502 | SvIVX(sv) = pid; |
| 503 | forkprocess = pid; |
| 504 | return PerlIO_fdopen(p[this], mode); |
| 505 | |
| 506 | #else /* USE_POPEN */ |
| 507 | |
| 508 | PerlIO *res; |
| 509 | SV *sv; |
| 510 | |
| 511 | # ifdef TRYSHELL |
| 512 | res = popen(cmd, mode); |
| 513 | # else |
| 514 | char *shell = getenv("EMXSHELL"); |
| 515 | |
| 516 | my_setenv("EMXSHELL", sh_path); |
| 517 | res = popen(cmd, mode); |
| 518 | my_setenv("EMXSHELL", shell); |
| 519 | # endif |
| 520 | sv = *av_fetch(fdpid, PerlIO_fileno(res), TRUE); |
| 521 | (void)SvUPGRADE(sv,SVt_IV); |
| 522 | SvIVX(sv) = -1; /* A cooky. */ |
| 523 | return res; |
| 524 | |
| 525 | #endif /* USE_POPEN */ |
| 526 | |
| 527 | } |
| 528 | |
| 529 | /******************************************************************/ |
| 530 | |
| 531 | #ifndef HAS_FORK |
| 532 | int |
| 533 | fork(void) |
| 534 | { |
| 535 | die(no_func, "Unsupported function fork"); |
| 536 | errno = EINVAL; |
| 537 | return -1; |
| 538 | } |
| 539 | #endif |
| 540 | |
| 541 | /*******************************************************************/ |
| 542 | /* not implemented in EMX 0.9a */ |
| 543 | |
| 544 | void * ctermid(x) { return 0; } |
| 545 | |
| 546 | #ifdef MYTTYNAME /* was not in emx0.9a */ |
| 547 | void * ttyname(x) { return 0; } |
| 548 | #endif |
| 549 | |
| 550 | /******************************************************************/ |
| 551 | /* my socket forwarders - EMX lib only provides static forwarders */ |
| 552 | |
| 553 | static HMODULE htcp = 0; |
| 554 | |
| 555 | static void * |
| 556 | tcp0(char *name) |
| 557 | { |
| 558 | static BYTE buf[20]; |
| 559 | PFN fcn; |
| 560 | |
| 561 | if (!(_emx_env & 0x200)) croak("%s requires OS/2", name); /* Die if not OS/2. */ |
| 562 | if (!htcp) |
| 563 | DosLoadModule(buf, sizeof buf, "tcp32dll", &htcp); |
| 564 | if (htcp && DosQueryProcAddr(htcp, 0, name, &fcn) == 0) |
| 565 | return (void *) ((void * (*)(void)) fcn) (); |
| 566 | return 0; |
| 567 | } |
| 568 | |
| 569 | static void |
| 570 | tcp1(char *name, int arg) |
| 571 | { |
| 572 | static BYTE buf[20]; |
| 573 | PFN fcn; |
| 574 | |
| 575 | if (!(_emx_env & 0x200)) croak("%s requires OS/2", name); /* Die if not OS/2. */ |
| 576 | if (!htcp) |
| 577 | DosLoadModule(buf, sizeof buf, "tcp32dll", &htcp); |
| 578 | if (htcp && DosQueryProcAddr(htcp, 0, name, &fcn) == 0) |
| 579 | ((void (*)(int)) fcn) (arg); |
| 580 | } |
| 581 | |
| 582 | void * gethostent() { return tcp0("GETHOSTENT"); } |
| 583 | void * getnetent() { return tcp0("GETNETENT"); } |
| 584 | void * getprotoent() { return tcp0("GETPROTOENT"); } |
| 585 | void * getservent() { return tcp0("GETSERVENT"); } |
| 586 | void sethostent(x) { tcp1("SETHOSTENT", x); } |
| 587 | void setnetent(x) { tcp1("SETNETENT", x); } |
| 588 | void setprotoent(x) { tcp1("SETPROTOENT", x); } |
| 589 | void setservent(x) { tcp1("SETSERVENT", x); } |
| 590 | void endhostent() { tcp0("ENDHOSTENT"); } |
| 591 | void endnetent() { tcp0("ENDNETENT"); } |
| 592 | void endprotoent() { tcp0("ENDPROTOENT"); } |
| 593 | void endservent() { tcp0("ENDSERVENT"); } |
| 594 | |
| 595 | /*****************************************************************************/ |
| 596 | /* not implemented in C Set++ */ |
| 597 | |
| 598 | #ifndef __EMX__ |
| 599 | int setuid(x) { errno = EINVAL; return -1; } |
| 600 | int setgid(x) { errno = EINVAL; return -1; } |
| 601 | #endif |
| 602 | |
| 603 | /*****************************************************************************/ |
| 604 | /* stat() hack for char/block device */ |
| 605 | |
| 606 | #if OS2_STAT_HACK |
| 607 | |
| 608 | /* First attempt used DosQueryFSAttach which crashed the system when |
| 609 | used with 5.001. Now just look for /dev/. */ |
| 610 | |
| 611 | int |
| 612 | os2_stat(char *name, struct stat *st) |
| 613 | { |
| 614 | static int ino = SHRT_MAX; |
| 615 | |
| 616 | if (stricmp(name, "/dev/con") != 0 |
| 617 | && stricmp(name, "/dev/tty") != 0) |
| 618 | return stat(name, st); |
| 619 | |
| 620 | memset(st, 0, sizeof *st); |
| 621 | st->st_mode = S_IFCHR|0666; |
| 622 | st->st_ino = (ino-- & 0x7FFF); |
| 623 | st->st_nlink = 1; |
| 624 | return 0; |
| 625 | } |
| 626 | |
| 627 | #endif |
| 628 | |
| 629 | #ifdef USE_PERL_SBRK |
| 630 | |
| 631 | /* SBRK() emulation, mostly moved to malloc.c. */ |
| 632 | |
| 633 | void * |
| 634 | sys_alloc(int size) { |
| 635 | void *got; |
| 636 | APIRET rc = DosAllocMem(&got, size, PAG_COMMIT | PAG_WRITE); |
| 637 | |
| 638 | if (rc == ERROR_NOT_ENOUGH_MEMORY) { |
| 639 | return (void *) -1; |
| 640 | } else if ( rc ) die("Got an error from DosAllocMem: %li", (long)rc); |
| 641 | return got; |
| 642 | } |
| 643 | |
| 644 | #endif /* USE_PERL_SBRK */ |
| 645 | |
| 646 | /* tmp path */ |
| 647 | |
| 648 | char *tmppath = TMPPATH1; |
| 649 | |
| 650 | void |
| 651 | settmppath() |
| 652 | { |
| 653 | char *p = getenv("TMP"), *tpath; |
| 654 | int len; |
| 655 | |
| 656 | if (!p) p = getenv("TEMP"); |
| 657 | if (!p) return; |
| 658 | len = strlen(p); |
| 659 | tpath = (char *)malloc(len + strlen(TMPPATH1) + 2); |
| 660 | strcpy(tpath, p); |
| 661 | tpath[len] = '/'; |
| 662 | strcpy(tpath + len + 1, TMPPATH1); |
| 663 | tmppath = tpath; |
| 664 | } |
| 665 | |
| 666 | #include "XSUB.h" |
| 667 | |
| 668 | XS(XS_File__Copy_syscopy) |
| 669 | { |
| 670 | dXSARGS; |
| 671 | if (items < 2 || items > 3) |
| 672 | croak("Usage: File::Copy::syscopy(src,dst,flag=0)"); |
| 673 | { |
| 674 | char * src = (char *)SvPV(ST(0),na); |
| 675 | char * dst = (char *)SvPV(ST(1),na); |
| 676 | U32 flag; |
| 677 | int RETVAL, rc; |
| 678 | |
| 679 | if (items < 3) |
| 680 | flag = 0; |
| 681 | else { |
| 682 | flag = (unsigned long)SvIV(ST(2)); |
| 683 | } |
| 684 | |
| 685 | RETVAL = !CheckOSError(DosCopy(src, dst, flag)); |
| 686 | ST(0) = sv_newmortal(); |
| 687 | sv_setiv(ST(0), (IV)RETVAL); |
| 688 | } |
| 689 | XSRETURN(1); |
| 690 | } |
| 691 | |
| 692 | char * |
| 693 | mod2fname(sv) |
| 694 | SV *sv; |
| 695 | { |
| 696 | static char fname[9]; |
| 697 | int pos = 6, len, avlen; |
| 698 | unsigned int sum = 0; |
| 699 | AV *av; |
| 700 | SV *svp; |
| 701 | char *s; |
| 702 | |
| 703 | if (!SvROK(sv)) croak("Not a reference given to mod2fname"); |
| 704 | sv = SvRV(sv); |
| 705 | if (SvTYPE(sv) != SVt_PVAV) |
| 706 | croak("Not array reference given to mod2fname"); |
| 707 | |
| 708 | avlen = av_len((AV*)sv); |
| 709 | if (avlen < 0) |
| 710 | croak("Empty array reference given to mod2fname"); |
| 711 | |
| 712 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), na); |
| 713 | strncpy(fname, s, 8); |
| 714 | len = strlen(s); |
| 715 | if (len < 6) pos = len; |
| 716 | while (*s) { |
| 717 | sum = 33 * sum + *(s++); /* Checksumming first chars to |
| 718 | * get the capitalization into c.s. */ |
| 719 | } |
| 720 | avlen --; |
| 721 | while (avlen >= 0) { |
| 722 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), na); |
| 723 | while (*s) { |
| 724 | sum = 33 * sum + *(s++); /* 7 is primitive mod 13. */ |
| 725 | } |
| 726 | avlen --; |
| 727 | } |
| 728 | fname[pos] = 'A' + (sum % 26); |
| 729 | fname[pos + 1] = 'A' + (sum / 26 % 26); |
| 730 | fname[pos + 2] = '\0'; |
| 731 | return (char *)fname; |
| 732 | } |
| 733 | |
| 734 | XS(XS_DynaLoader_mod2fname) |
| 735 | { |
| 736 | dXSARGS; |
| 737 | if (items != 1) |
| 738 | croak("Usage: DynaLoader::mod2fname(sv)"); |
| 739 | { |
| 740 | SV * sv = ST(0); |
| 741 | char * RETVAL; |
| 742 | |
| 743 | RETVAL = mod2fname(sv); |
| 744 | ST(0) = sv_newmortal(); |
| 745 | sv_setpv((SV*)ST(0), RETVAL); |
| 746 | } |
| 747 | XSRETURN(1); |
| 748 | } |
| 749 | |
| 750 | char * |
| 751 | os2error(int rc) |
| 752 | { |
| 753 | static char buf[300]; |
| 754 | ULONG len; |
| 755 | |
| 756 | if (!(_emx_env & 0x200)) return ""; /* Nop if not OS/2. */ |
| 757 | if (rc == 0) |
| 758 | return NULL; |
| 759 | if (DosGetMessage(NULL, 0, buf, sizeof buf - 1, rc, "OSO001.MSG", &len)) |
| 760 | sprintf(buf, "OS/2 system error code %d=0x%x", rc, rc); |
| 761 | else |
| 762 | buf[len] = '\0'; |
| 763 | return buf; |
| 764 | } |
| 765 | |
| 766 | char * |
| 767 | perllib_mangle(char *s, unsigned int l) |
| 768 | { |
| 769 | static char *newp, *oldp; |
| 770 | static int newl, oldl, notfound; |
| 771 | static char ret[STATIC_FILE_LENGTH+1]; |
| 772 | |
| 773 | if (!newp && !notfound) { |
| 774 | newp = getenv("PERLLIB_PREFIX"); |
| 775 | if (newp) { |
| 776 | char *s; |
| 777 | |
| 778 | oldp = newp; |
| 779 | while (*newp && !isSPACE(*newp) && *newp != ';') { |
| 780 | newp++; oldl++; /* Skip digits. */ |
| 781 | } |
| 782 | while (*newp && (isSPACE(*newp) || *newp == ';')) { |
| 783 | newp++; /* Skip whitespace. */ |
| 784 | } |
| 785 | newl = strlen(newp); |
| 786 | if (newl == 0 || oldl == 0) { |
| 787 | die("Malformed PERLLIB_PREFIX"); |
| 788 | } |
| 789 | strcpy(ret, newp); |
| 790 | s = ret; |
| 791 | while (*s) { |
| 792 | if (*s == '\\') *s = '/'; |
| 793 | s++; |
| 794 | } |
| 795 | } else { |
| 796 | notfound = 1; |
| 797 | } |
| 798 | } |
| 799 | if (!newp) { |
| 800 | return s; |
| 801 | } |
| 802 | if (l == 0) { |
| 803 | l = strlen(s); |
| 804 | } |
| 805 | if (l < oldl || strnicmp(oldp, s, oldl) != 0) { |
| 806 | return s; |
| 807 | } |
| 808 | if (l + newl - oldl > STATIC_FILE_LENGTH || newl > STATIC_FILE_LENGTH) { |
| 809 | die("Malformed PERLLIB_PREFIX"); |
| 810 | } |
| 811 | strcpy(ret + newl, s + oldl); |
| 812 | return ret; |
| 813 | } |
| 814 | |
| 815 | extern void dlopen(); |
| 816 | void *fakedl = &dlopen; /* Pull in dynaloading part. */ |
| 817 | |
| 818 | #define sys_is_absolute(path) ( isALPHA((path)[0]) && (path)[1] == ':' \ |
| 819 | && ((path)[2] == '/' || (path)[2] == '\\')) |
| 820 | #define sys_is_rooted _fnisabs |
| 821 | #define sys_is_relative _fnisrel |
| 822 | #define current_drive _getdrive |
| 823 | |
| 824 | #undef chdir /* Was _chdir2. */ |
| 825 | #define sys_chdir(p) (chdir(p) == 0) |
| 826 | #define change_drive(d) (_chdrive(d), (current_drive() == toupper(d))) |
| 827 | |
| 828 | XS(XS_Cwd_current_drive) |
| 829 | { |
| 830 | dXSARGS; |
| 831 | if (items != 0) |
| 832 | croak("Usage: Cwd::current_drive()"); |
| 833 | { |
| 834 | char RETVAL; |
| 835 | |
| 836 | RETVAL = current_drive(); |
| 837 | ST(0) = sv_newmortal(); |
| 838 | sv_setpvn(ST(0), (char *)&RETVAL, 1); |
| 839 | } |
| 840 | XSRETURN(1); |
| 841 | } |
| 842 | |
| 843 | XS(XS_Cwd_sys_chdir) |
| 844 | { |
| 845 | dXSARGS; |
| 846 | if (items != 1) |
| 847 | croak("Usage: Cwd::sys_chdir(path)"); |
| 848 | { |
| 849 | char * path = (char *)SvPV(ST(0),na); |
| 850 | bool RETVAL; |
| 851 | |
| 852 | RETVAL = sys_chdir(path); |
| 853 | ST(0) = boolSV(RETVAL); |
| 854 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
| 855 | } |
| 856 | XSRETURN(1); |
| 857 | } |
| 858 | |
| 859 | XS(XS_Cwd_change_drive) |
| 860 | { |
| 861 | dXSARGS; |
| 862 | if (items != 1) |
| 863 | croak("Usage: Cwd::change_drive(d)"); |
| 864 | { |
| 865 | char d = (char)*SvPV(ST(0),na); |
| 866 | bool RETVAL; |
| 867 | |
| 868 | RETVAL = change_drive(d); |
| 869 | ST(0) = boolSV(RETVAL); |
| 870 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
| 871 | } |
| 872 | XSRETURN(1); |
| 873 | } |
| 874 | |
| 875 | XS(XS_Cwd_sys_is_absolute) |
| 876 | { |
| 877 | dXSARGS; |
| 878 | if (items != 1) |
| 879 | croak("Usage: Cwd::sys_is_absolute(path)"); |
| 880 | { |
| 881 | char * path = (char *)SvPV(ST(0),na); |
| 882 | bool RETVAL; |
| 883 | |
| 884 | RETVAL = sys_is_absolute(path); |
| 885 | ST(0) = boolSV(RETVAL); |
| 886 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
| 887 | } |
| 888 | XSRETURN(1); |
| 889 | } |
| 890 | |
| 891 | XS(XS_Cwd_sys_is_rooted) |
| 892 | { |
| 893 | dXSARGS; |
| 894 | if (items != 1) |
| 895 | croak("Usage: Cwd::sys_is_rooted(path)"); |
| 896 | { |
| 897 | char * path = (char *)SvPV(ST(0),na); |
| 898 | bool RETVAL; |
| 899 | |
| 900 | RETVAL = sys_is_rooted(path); |
| 901 | ST(0) = boolSV(RETVAL); |
| 902 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
| 903 | } |
| 904 | XSRETURN(1); |
| 905 | } |
| 906 | |
| 907 | XS(XS_Cwd_sys_is_relative) |
| 908 | { |
| 909 | dXSARGS; |
| 910 | if (items != 1) |
| 911 | croak("Usage: Cwd::sys_is_relative(path)"); |
| 912 | { |
| 913 | char * path = (char *)SvPV(ST(0),na); |
| 914 | bool RETVAL; |
| 915 | |
| 916 | RETVAL = sys_is_relative(path); |
| 917 | ST(0) = boolSV(RETVAL); |
| 918 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
| 919 | } |
| 920 | XSRETURN(1); |
| 921 | } |
| 922 | |
| 923 | XS(XS_Cwd_sys_cwd) |
| 924 | { |
| 925 | dXSARGS; |
| 926 | if (items != 0) |
| 927 | croak("Usage: Cwd::sys_cwd()"); |
| 928 | { |
| 929 | char p[MAXPATHLEN]; |
| 930 | char * RETVAL; |
| 931 | RETVAL = _getcwd2(p, MAXPATHLEN); |
| 932 | ST(0) = sv_newmortal(); |
| 933 | sv_setpv((SV*)ST(0), RETVAL); |
| 934 | } |
| 935 | XSRETURN(1); |
| 936 | } |
| 937 | |
| 938 | XS(XS_Cwd_sys_abspath) |
| 939 | { |
| 940 | dXSARGS; |
| 941 | if (items < 1 || items > 2) |
| 942 | croak("Usage: Cwd::sys_abspath(path, dir = NULL)"); |
| 943 | { |
| 944 | char * path = (char *)SvPV(ST(0),na); |
| 945 | char * dir; |
| 946 | char p[MAXPATHLEN]; |
| 947 | char * RETVAL; |
| 948 | |
| 949 | if (items < 2) |
| 950 | dir = NULL; |
| 951 | else { |
| 952 | dir = (char *)SvPV(ST(1),na); |
| 953 | } |
| 954 | if (path[0] == '.' && (path[1] == '/' || path[1] == '\\')) { |
| 955 | path += 2; |
| 956 | } |
| 957 | if (dir == NULL) { |
| 958 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
| 959 | RETVAL = p; |
| 960 | } else { |
| 961 | RETVAL = NULL; |
| 962 | } |
| 963 | } else { |
| 964 | /* Absolute with drive: */ |
| 965 | if ( sys_is_absolute(path) ) { |
| 966 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
| 967 | RETVAL = p; |
| 968 | } else { |
| 969 | RETVAL = NULL; |
| 970 | } |
| 971 | } else if (path[0] == '/' || path[0] == '\\') { |
| 972 | /* Rooted, but maybe on different drive. */ |
| 973 | if (isALPHA(dir[0]) && dir[1] == ':' ) { |
| 974 | char p1[MAXPATHLEN]; |
| 975 | |
| 976 | /* Need to prepend the drive. */ |
| 977 | p1[0] = dir[0]; |
| 978 | p1[1] = dir[1]; |
| 979 | Copy(path, p1 + 2, strlen(path) + 1, char); |
| 980 | RETVAL = p; |
| 981 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
| 982 | RETVAL = p; |
| 983 | } else { |
| 984 | RETVAL = NULL; |
| 985 | } |
| 986 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
| 987 | RETVAL = p; |
| 988 | } else { |
| 989 | RETVAL = NULL; |
| 990 | } |
| 991 | } else { |
| 992 | /* Either path is relative, or starts with a drive letter. */ |
| 993 | /* If the path starts with a drive letter, then dir is |
| 994 | relevant only if |
| 995 | a/b) it is absolute/x:relative on the same drive. |
| 996 | c) path is on current drive, and dir is rooted |
| 997 | In all the cases it is safe to drop the drive part |
| 998 | of the path. */ |
| 999 | if ( !sys_is_relative(path) ) { |
| 1000 | int is_drived; |
| 1001 | |
| 1002 | if ( ( ( sys_is_absolute(dir) |
| 1003 | || (isALPHA(dir[0]) && dir[1] == ':' |
| 1004 | && strnicmp(dir, path,1) == 0)) |
| 1005 | && strnicmp(dir, path,1) == 0) |
| 1006 | || ( !(isALPHA(dir[0]) && dir[1] == ':') |
| 1007 | && toupper(path[0]) == current_drive())) { |
| 1008 | path += 2; |
| 1009 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
| 1010 | RETVAL = p; goto done; |
| 1011 | } else { |
| 1012 | RETVAL = NULL; goto done; |
| 1013 | } |
| 1014 | } |
| 1015 | { |
| 1016 | /* Need to prepend the absolute path of dir. */ |
| 1017 | char p1[MAXPATHLEN]; |
| 1018 | |
| 1019 | if (_abspath(p1, dir, MAXPATHLEN) == 0) { |
| 1020 | int l = strlen(p1); |
| 1021 | |
| 1022 | if (p1[ l - 1 ] != '/') { |
| 1023 | p1[ l ] = '/'; |
| 1024 | l++; |
| 1025 | } |
| 1026 | Copy(path, p1 + l, strlen(path) + 1, char); |
| 1027 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
| 1028 | RETVAL = p; |
| 1029 | } else { |
| 1030 | RETVAL = NULL; |
| 1031 | } |
| 1032 | } else { |
| 1033 | RETVAL = NULL; |
| 1034 | } |
| 1035 | } |
| 1036 | done: |
| 1037 | } |
| 1038 | } |
| 1039 | ST(0) = sv_newmortal(); |
| 1040 | sv_setpv((SV*)ST(0), RETVAL); |
| 1041 | } |
| 1042 | XSRETURN(1); |
| 1043 | } |
| 1044 | typedef APIRET (*PELP)(PSZ path, ULONG type); |
| 1045 | |
| 1046 | APIRET |
| 1047 | ExtLIBPATH(ULONG ord, PSZ path, ULONG type) |
| 1048 | { |
| 1049 | loadByOrd(ord); /* Guarantied to load or die! */ |
| 1050 | return (*(PELP)ExtFCN[ord])(path, type); |
| 1051 | } |
| 1052 | |
| 1053 | #define extLibpath(type) \ |
| 1054 | (CheckOSError(ExtLIBPATH(ORD_QUERY_ELP, to, ((type) ? END_LIBPATH \ |
| 1055 | : BEGIN_LIBPATH))) \ |
| 1056 | ? NULL : to ) |
| 1057 | |
| 1058 | #define extLibpath_set(p,type) \ |
| 1059 | (!CheckOSError(ExtLIBPATH(ORD_SET_ELP, (p), ((type) ? END_LIBPATH \ |
| 1060 | : BEGIN_LIBPATH)))) |
| 1061 | |
| 1062 | XS(XS_Cwd_extLibpath) |
| 1063 | { |
| 1064 | dXSARGS; |
| 1065 | if (items < 0 || items > 1) |
| 1066 | croak("Usage: Cwd::extLibpath(type = 0)"); |
| 1067 | { |
| 1068 | bool type; |
| 1069 | char to[1024]; |
| 1070 | U32 rc; |
| 1071 | char * RETVAL; |
| 1072 | |
| 1073 | if (items < 1) |
| 1074 | type = 0; |
| 1075 | else { |
| 1076 | type = (int)SvIV(ST(0)); |
| 1077 | } |
| 1078 | |
| 1079 | RETVAL = extLibpath(type); |
| 1080 | ST(0) = sv_newmortal(); |
| 1081 | sv_setpv((SV*)ST(0), RETVAL); |
| 1082 | } |
| 1083 | XSRETURN(1); |
| 1084 | } |
| 1085 | |
| 1086 | XS(XS_Cwd_extLibpath_set) |
| 1087 | { |
| 1088 | dXSARGS; |
| 1089 | if (items < 1 || items > 2) |
| 1090 | croak("Usage: Cwd::extLibpath_set(s, type = 0)"); |
| 1091 | { |
| 1092 | char * s = (char *)SvPV(ST(0),na); |
| 1093 | bool type; |
| 1094 | U32 rc; |
| 1095 | bool RETVAL; |
| 1096 | |
| 1097 | if (items < 2) |
| 1098 | type = 0; |
| 1099 | else { |
| 1100 | type = (int)SvIV(ST(1)); |
| 1101 | } |
| 1102 | |
| 1103 | RETVAL = extLibpath_set(s, type); |
| 1104 | ST(0) = boolSV(RETVAL); |
| 1105 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
| 1106 | } |
| 1107 | XSRETURN(1); |
| 1108 | } |
| 1109 | |
| 1110 | int |
| 1111 | Xs_OS2_init() |
| 1112 | { |
| 1113 | char *file = __FILE__; |
| 1114 | { |
| 1115 | GV *gv; |
| 1116 | |
| 1117 | if (_emx_env & 0x200) { /* OS/2 */ |
| 1118 | newXS("File::Copy::syscopy", XS_File__Copy_syscopy, file); |
| 1119 | newXS("Cwd::extLibpath", XS_Cwd_extLibpath, file); |
| 1120 | newXS("Cwd::extLibpath_set", XS_Cwd_extLibpath_set, file); |
| 1121 | } |
| 1122 | newXS("DynaLoader::mod2fname", XS_DynaLoader_mod2fname, file); |
| 1123 | newXS("Cwd::current_drive", XS_Cwd_current_drive, file); |
| 1124 | newXS("Cwd::sys_chdir", XS_Cwd_sys_chdir, file); |
| 1125 | newXS("Cwd::change_drive", XS_Cwd_change_drive, file); |
| 1126 | newXS("Cwd::sys_is_absolute", XS_Cwd_sys_is_absolute, file); |
| 1127 | newXS("Cwd::sys_is_rooted", XS_Cwd_sys_is_rooted, file); |
| 1128 | newXS("Cwd::sys_is_relative", XS_Cwd_sys_is_relative, file); |
| 1129 | newXS("Cwd::sys_cwd", XS_Cwd_sys_cwd, file); |
| 1130 | newXS("Cwd::sys_abspath", XS_Cwd_sys_abspath, file); |
| 1131 | gv = gv_fetchpv("OS2::is_aout", TRUE, SVt_PV); |
| 1132 | GvMULTI_on(gv); |
| 1133 | #ifdef PERL_IS_AOUT |
| 1134 | sv_setiv(GvSV(gv), 1); |
| 1135 | #endif |
| 1136 | } |
| 1137 | } |
| 1138 | |
| 1139 | OS2_Perl_data_t OS2_Perl_data; |
| 1140 | |
| 1141 | void |
| 1142 | Perl_OS2_init(char **env) |
| 1143 | { |
| 1144 | char *shell; |
| 1145 | |
| 1146 | settmppath(); |
| 1147 | OS2_Perl_data.xs_init = &Xs_OS2_init; |
| 1148 | if (environ == NULL) { |
| 1149 | environ = env; |
| 1150 | } |
| 1151 | if ( (shell = getenv("PERL_SH_DRIVE")) ) { |
| 1152 | New(1304, sh_path, strlen(SH_PATH) + 1, char); |
| 1153 | strcpy(sh_path, SH_PATH); |
| 1154 | sh_path[0] = shell[0]; |
| 1155 | } else if ( (shell = getenv("PERL_SH_DIR")) ) { |
| 1156 | int l = strlen(shell), i; |
| 1157 | if (shell[l-1] == '/' || shell[l-1] == '\\') { |
| 1158 | l--; |
| 1159 | } |
| 1160 | New(1304, sh_path, l + 8, char); |
| 1161 | strncpy(sh_path, shell, l); |
| 1162 | strcpy(sh_path + l, "/sh.exe"); |
| 1163 | for (i = 0; i < l; i++) { |
| 1164 | if (sh_path[i] == '\\') sh_path[i] = '/'; |
| 1165 | } |
| 1166 | } |
| 1167 | } |
| 1168 | |
| 1169 | #undef tmpnam |
| 1170 | #undef tmpfile |
| 1171 | |
| 1172 | char * |
| 1173 | my_tmpnam (char *str) |
| 1174 | { |
| 1175 | char *p = getenv("TMP"), *tpath; |
| 1176 | int len; |
| 1177 | |
| 1178 | if (!p) p = getenv("TEMP"); |
| 1179 | tpath = tempnam(p, "pltmp"); |
| 1180 | if (str && tpath) { |
| 1181 | strcpy(str, tpath); |
| 1182 | return str; |
| 1183 | } |
| 1184 | return tpath; |
| 1185 | } |
| 1186 | |
| 1187 | FILE * |
| 1188 | my_tmpfile () |
| 1189 | { |
| 1190 | struct stat s; |
| 1191 | |
| 1192 | stat(".", &s); |
| 1193 | if (s.st_mode & S_IWOTH) { |
| 1194 | return tmpfile(); |
| 1195 | } |
| 1196 | return fopen(my_tmpnam(NULL), "w+b"); /* Race condition, but |
| 1197 | grants TMP. */ |
| 1198 | } |
| 1199 | |
| 1200 | #undef flock |
| 1201 | |
| 1202 | /* This code was contributed by Rocco Caputo. */ |
| 1203 | int |
| 1204 | my_flock(int handle, int op) |
| 1205 | { |
| 1206 | FILELOCK rNull, rFull; |
| 1207 | ULONG timeout, handle_type, flag_word; |
| 1208 | APIRET rc; |
| 1209 | int blocking, shared; |
| 1210 | static int use_my = -1; |
| 1211 | |
| 1212 | if (use_my == -1) { |
| 1213 | char *s = getenv("USE_PERL_FLOCK"); |
| 1214 | if (s) |
| 1215 | use_my = atoi(s); |
| 1216 | else |
| 1217 | use_my = 1; |
| 1218 | } |
| 1219 | if (!(_emx_env & 0x200) || !use_my) |
| 1220 | return flock(handle, op); /* Delegate to EMX. */ |
| 1221 | |
| 1222 | // is this a file? |
| 1223 | if ((DosQueryHType(handle, &handle_type, &flag_word) != 0) || |
| 1224 | (handle_type & 0xFF)) |
| 1225 | { |
| 1226 | errno = EBADF; |
| 1227 | return -1; |
| 1228 | } |
| 1229 | // set lock/unlock ranges |
| 1230 | rNull.lOffset = rNull.lRange = rFull.lOffset = 0; |
| 1231 | rFull.lRange = 0x7FFFFFFF; |
| 1232 | // set timeout for blocking |
| 1233 | timeout = ((blocking = !(op & LOCK_NB))) ? 100 : 1; |
| 1234 | // shared or exclusive? |
| 1235 | shared = (op & LOCK_SH) ? 1 : 0; |
| 1236 | // do not block the unlock |
| 1237 | if (op & (LOCK_UN | LOCK_SH | LOCK_EX)) { |
| 1238 | rc = DosSetFileLocks(handle, &rFull, &rNull, timeout, shared); |
| 1239 | switch (rc) { |
| 1240 | case 0: |
| 1241 | errno = 0; |
| 1242 | return 0; |
| 1243 | case ERROR_INVALID_HANDLE: |
| 1244 | errno = EBADF; |
| 1245 | return -1; |
| 1246 | case ERROR_SHARING_BUFFER_EXCEEDED: |
| 1247 | errno = ENOLCK; |
| 1248 | return -1; |
| 1249 | case ERROR_LOCK_VIOLATION: |
| 1250 | break; // not an error |
| 1251 | case ERROR_INVALID_PARAMETER: |
| 1252 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
| 1253 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
| 1254 | errno = EINVAL; |
| 1255 | return -1; |
| 1256 | case ERROR_INTERRUPT: |
| 1257 | errno = EINTR; |
| 1258 | return -1; |
| 1259 | default: |
| 1260 | errno = EINVAL; |
| 1261 | return -1; |
| 1262 | } |
| 1263 | } |
| 1264 | // lock may block |
| 1265 | if (op & (LOCK_SH | LOCK_EX)) { |
| 1266 | // for blocking operations |
| 1267 | for (;;) { |
| 1268 | rc = |
| 1269 | DosSetFileLocks( |
| 1270 | handle, |
| 1271 | &rNull, |
| 1272 | &rFull, |
| 1273 | timeout, |
| 1274 | shared |
| 1275 | ); |
| 1276 | switch (rc) { |
| 1277 | case 0: |
| 1278 | errno = 0; |
| 1279 | return 0; |
| 1280 | case ERROR_INVALID_HANDLE: |
| 1281 | errno = EBADF; |
| 1282 | return -1; |
| 1283 | case ERROR_SHARING_BUFFER_EXCEEDED: |
| 1284 | errno = ENOLCK; |
| 1285 | return -1; |
| 1286 | case ERROR_LOCK_VIOLATION: |
| 1287 | if (!blocking) { |
| 1288 | errno = EWOULDBLOCK; |
| 1289 | return -1; |
| 1290 | } |
| 1291 | break; |
| 1292 | case ERROR_INVALID_PARAMETER: |
| 1293 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
| 1294 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
| 1295 | errno = EINVAL; |
| 1296 | return -1; |
| 1297 | case ERROR_INTERRUPT: |
| 1298 | errno = EINTR; |
| 1299 | return -1; |
| 1300 | default: |
| 1301 | errno = EINVAL; |
| 1302 | return -1; |
| 1303 | } |
| 1304 | // give away timeslice |
| 1305 | DosSleep(1); |
| 1306 | } |
| 1307 | } |
| 1308 | |
| 1309 | errno = 0; |
| 1310 | return 0; |
| 1311 | } |