Commit | Line | Data |
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a0d0e21e LW |
1 | /* vmsish.h |
2 | * | |
3 | * VMS-specific C header file for perl5. | |
4 | * | |
562a7b0c CB |
5 | * Last revised: 16-Sep-1998 by Charles Bailey bailey@newman.upenn.edu |
6 | * Version: 5.5.2 | |
a0d0e21e LW |
7 | */ |
8 | ||
9 | #ifndef __vmsish_h_included | |
10 | #define __vmsish_h_included | |
11 | ||
12 | #include <descrip.h> /* for dirent struct definitions */ | |
748a9306 LW |
13 | #include <libdef.h> /* status codes for various places */ |
14 | #include <rmsdef.h> /* at which errno and vaxc$errno are */ | |
15 | #include <ssdef.h> /* explicitly set in the perl source code */ | |
4fdae800 | 16 | #include <stsdef.h> /* bitmasks for exit status testing */ |
748a9306 | 17 | |
4633a7c4 | 18 | /* Suppress compiler warnings from DECC for VMS-specific extensions: |
e518068a | 19 | * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values |
20 | * (e.g. pointer fields of descriptors) | |
21 | */ | |
22 | #ifdef __DECC | |
17f28c40 | 23 | # pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT) |
e518068a | 24 | #endif |
25 | ||
748a9306 LW |
26 | /* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */ |
27 | #ifdef _toupper | |
28 | # undef _toupper | |
29 | #endif | |
30 | #define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040) | |
31 | #ifdef _tolower | |
32 | # undef _tolower | |
33 | #endif | |
34 | #define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040) | |
4633a7c4 LW |
35 | /* DECC 1.3 has a funny definition of abs; it's fixed in DECC 4.0, so this |
36 | * can go away once DECC 1.3 isn't in use any more. */ | |
37 | #if defined(__ALPHA) && defined(__DECC) | |
38 | #undef abs | |
39 | #define abs(__x) __ABS(__x) | |
40 | #undef labs | |
41 | #define labs(__x) __LABS(__x) | |
42 | #endif /* __ALPHA && __DECC */ | |
a0d0e21e LW |
43 | |
44 | /* Assorted things to look like Unix */ | |
45 | #ifdef __GNUC__ | |
46 | #ifndef _IOLBF /* gcc's stdio.h doesn't define this */ | |
47 | #define _IOLBF 1 | |
48 | #endif | |
748a9306 | 49 | #endif |
a0d0e21e LW |
50 | #include <processes.h> /* for vfork() */ |
51 | #include <unixio.h> | |
a0d0e21e LW |
52 | #include <unixlib.h> |
53 | #include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */ | |
774d564b | 54 | #if defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000 |
bbce6d69 | 55 | # include <unistd.h> /* DECC has this; VAXC and gcc don't */ |
56 | #endif | |
bf109933 | 57 | |
09b7f37c CB |
58 | /* VAXC doesn't have a unary plus operator, so we need to get there indirectly */ |
59 | #if defined(VAXC) && !defined(__DECC) | |
60 | # define NO_UNARY_PLUS | |
61 | #endif | |
62 | ||
aa689395 | 63 | #ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */ |
64 | # define DONT_MASK_RTL_CALLS | |
65 | #endif | |
66 | ||
562a7b0c CB |
67 | /* Note that we do, in fact, have this */ |
68 | #define HAS_GETENV_SV | |
cc077a9f | 69 | #define HAS_GETENV_LEN |
562a7b0c | 70 | |
aa689395 | 71 | #ifndef DONT_MASK_RTL_CALLS |
72 | # ifdef getenv | |
73 | # undef getenv | |
74 | # endif | |
562a7b0c CB |
75 | /* getenv used for regular logical names */ |
76 | # define getenv(v) my_getenv(v,TRUE) | |
aa689395 | 77 | #endif |
19c10e8f CB |
78 | #ifdef getenv_len |
79 | # undef getenv_len | |
80 | #endif | |
a6c40364 | 81 | #define getenv_len(v,l) my_getenv_len(v,l,TRUE) |
aa689395 | 82 | |
4fdae800 | 83 | /* DECC introduces this routine in the RTL as of VMS 7.0; for now, |
84 | * we'll use ours, since it gives us the full VMS exit status. */ | |
4fdae800 | 85 | #define waitpid my_waitpid |
86 | ||
61bb5906 CB |
87 | /* Don't redeclare standard RTL routines in Perl's header files; |
88 | * VMS history or extensions makes some of the formal protoypes | |
89 | * differ from the common Unix forms. | |
90 | */ | |
91 | #define DONT_DECLARE_STD 1 | |
92 | ||
bf109933 | 93 | /* Our own contribution to PerlShr's global symbols . . . */ |
562a7b0c CB |
94 | #define vmstrnenv Perl_vmstrnenv |
95 | #define my_trnlnm Perl_my_trnlnm | |
a6c40364 | 96 | #define my_getenv_len Perl_my_getenv_len |
562a7b0c CB |
97 | #define prime_env_iter Perl_prime_env_iter |
98 | #define vmssetenv Perl_vmssetenv | |
5c84aa53 | 99 | #if !defined(PERL_IMPLICIT_CONTEXT) |
562a7b0c | 100 | #define my_setenv Perl_my_setenv |
5c84aa53 CB |
101 | #define my_getenv Perl_my_getenv |
102 | #else | |
103 | #define my_setenv(a,b) Perl_my_setenv(aTHX_ a,b) | |
104 | #define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b) | |
105 | #endif | |
562a7b0c CB |
106 | #define my_crypt Perl_my_crypt |
107 | #define my_waitpid Perl_my_waitpid | |
108 | #define my_gconvert Perl_my_gconvert | |
109 | #define do_rmdir Perl_do_rmdir | |
110 | #define kill_file Perl_kill_file | |
111 | #define my_mkdir Perl_my_mkdir | |
112 | #define my_utime Perl_my_utime | |
113 | #define rmsexpand Perl_rmsexpand | |
114 | #define rmsexpand_ts Perl_rmsexpand_ts | |
115 | #define fileify_dirspec Perl_fileify_dirspec | |
116 | #define fileify_dirspec_ts Perl_fileify_dirspec_ts | |
117 | #define pathify_dirspec Perl_pathify_dirspec | |
118 | #define pathify_dirspec_ts Perl_pathify_dirspec_ts | |
119 | #define tounixspec Perl_tounixspec | |
120 | #define tounixspec_ts Perl_tounixspec_ts | |
121 | #define tovmsspec Perl_tovmsspec | |
122 | #define tovmsspec_ts Perl_tovmsspec_ts | |
123 | #define tounixpath Perl_tounixpath | |
124 | #define tounixpath_ts Perl_tounixpath_ts | |
125 | #define tovmspath Perl_tovmspath | |
126 | #define tovmspath_ts Perl_tovmspath_ts | |
127 | #define vms_image_init Perl_vms_image_init | |
128 | #define opendir Perl_opendir | |
129 | #define readdir Perl_readdir | |
130 | #define telldir Perl_telldir | |
131 | #define seekdir Perl_seekdir | |
132 | #define closedir Perl_closedir | |
133 | #define vmsreaddirversions Perl_vmsreaddirversions | |
134 | #define my_gmtime Perl_my_gmtime | |
135 | #define my_localtime Perl_my_localtime | |
136 | #define my_time Perl_my_time | |
137 | #define my_sigemptyset Perl_my_sigemptyset | |
138 | #define my_sigfillset Perl_my_sigfillset | |
139 | #define my_sigaddset Perl_my_sigaddset | |
140 | #define my_sigdelset Perl_my_sigdelset | |
141 | #define my_sigismember Perl_my_sigismember | |
142 | #define my_sigprocmask Perl_my_sigprocmask | |
143 | #define cando_by_name Perl_cando_by_name | |
144 | #define flex_fstat Perl_flex_fstat | |
145 | #define flex_stat Perl_flex_stat | |
146 | #define trim_unixpath Perl_trim_unixpath | |
147 | #define my_vfork Perl_my_vfork | |
148 | #define vms_do_aexec Perl_vms_do_aexec | |
149 | #define vms_do_exec Perl_vms_do_exec | |
150 | #define do_aspawn Perl_do_aspawn | |
151 | #define do_spawn Perl_do_spawn | |
152 | #define my_fwrite Perl_my_fwrite | |
153 | #define my_flush Perl_my_flush | |
154 | #define my_getpwnam Perl_my_getpwnam | |
155 | #define my_getpwuid Perl_my_getpwuid | |
156 | #define my_getpwent Perl_my_getpwent | |
157 | #define my_endpwent Perl_my_endpwent | |
158 | #define my_getlogin Perl_my_getlogin | |
159 | #define rmscopy Perl_rmscopy | |
160 | #define init_os_extras Perl_init_os_extras | |
bf109933 | 161 | |
162 | /* Delete if at all possible, changing protections if necessary. */ | |
748a9306 LW |
163 | #define unlink kill_file |
164 | ||
0414b1a0 | 165 | /* |
166 | * Intercept calls to fork, so we know whether subsequent calls to | |
167 | * exec should be handled in VMSish or Unixish style. | |
168 | */ | |
169 | #define fork my_vfork | |
aa689395 | 170 | #ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */ |
0414b1a0 | 171 | # ifdef vfork |
172 | # undef vfork | |
173 | # endif | |
174 | # define vfork my_vfork | |
175 | #endif | |
176 | ||
177 | /* BIG_TIME: | |
178 | * This symbol is defined if Time_t is an unsigned type on this system. | |
179 | */ | |
180 | #define BIG_TIME | |
181 | ||
0414b1a0 | 182 | /* ACME_MESS: |
183 | * This symbol, if defined, indicates that error messages should be | |
184 | * should be generated in a format that allows the use of the Acme | |
185 | * GUI/editor's autofind feature. | |
186 | */ | |
187 | #undef ACME_MESS /**/ | |
e518068a | 188 | |
44a8e56a | 189 | /* ALTERNATE_SHEBANG: |
190 | * This symbol, if defined, contains a "magic" string which may be used | |
191 | * as the first line of a Perl program designed to be executed directly | |
192 | * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG | |
193 | * begins with a character other then #, then Perl will only treat | |
194 | * it as a command line if if finds the string "perl" in the first | |
195 | * word; otherwise it's treated as the first line of code in the script. | |
196 | * (IOW, Perl won't hand off to another interpreter via an alternate | |
197 | * shebang sequence that might be legal Perl code.) | |
198 | */ | |
199 | #define ALTERNATE_SHEBANG "$" | |
200 | ||
748a9306 LW |
201 | /* Macros to set errno using the VAX thread-safe calls, if present */ |
202 | #if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA) | |
203 | # define set_errno(v) (cma$tis_errno_set_value(v)) | |
774d564b | 204 | void cma$tis_errno_set_value(int __value); /* missing in some errno.h */ |
748a9306 LW |
205 | # define set_vaxc_errno(v) (vaxc$errno = (v)) |
206 | #else | |
207 | # define set_errno(v) (errno = (v)) | |
208 | # define set_vaxc_errno(v) (vaxc$errno = (v)) | |
209 | #endif | |
210 | ||
ff0cee69 | 211 | /* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */ |
212 | ||
213 | #define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */ | |
214 | ||
aa689395 | 215 | #define HINT_V_VMSISH 24 |
a0ed51b3 LW |
216 | #define HINT_M_VMSISH_STATUS 0x20000000 /* system, $? return VMS status */ |
217 | #define HINT_M_VMSISH_EXIT 0x40000000 /* exit(1) ==> SS$_NORMAL */ | |
218 | #define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */ | |
6b88bc9c | 219 | #define NATIVE_HINTS (PL_hints >> HINT_V_VMSISH) /* used in op.c */ |
ff0cee69 | 220 | |
6b88bc9c | 221 | #define TEST_VMSISH(h) (PL_curcop->op_private & ((h) >> HINT_V_VMSISH)) |
ff0cee69 | 222 | #define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS) |
223 | #define VMSISH_EXIT TEST_VMSISH(HINT_M_VMSISH_EXIT) | |
224 | #define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME) | |
225 | ||
562a7b0c CB |
226 | /* Flags for vmstrnenv() */ |
227 | #define PERL__TRNENV_SECURE 0x01 | |
228 | ||
748a9306 | 229 | /* Handy way to vet calls to VMS system services and RTL routines. */ |
bf109933 | 230 | #define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \ |
748a9306 LW |
231 | if (!((__ckvms_sts=(call))&1)) { \ |
232 | set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ | |
5c84aa53 | 233 | Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \ |
bf109933 | 234 | __ckvms_sts,__FILE__,__LINE__); } } STMT_END |
a0d0e21e | 235 | |
0414b1a0 | 236 | /* Same thing, but don't call back to Perl's croak(); useful for errors |
237 | * occurring during startup, before Perl's state is initialized */ | |
238 | #define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \ | |
239 | if (!((__ckvms_sts=(call))&1)) { \ | |
240 | set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ | |
241 | fprintf(Perl_debug_log,"Fatal VMS error (status=%d) at %s, line %d", \ | |
242 | __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END | |
243 | ||
a0d0e21e LW |
244 | #ifdef VMS_DO_SOCKETS |
245 | #include "sockadapt.h" | |
246 | #endif | |
247 | ||
c07a80fd | 248 | #define BIT_BUCKET "_NLA0:" |
fc1ce8cc | 249 | #define PERL_SYS_INIT(c,v) vms_image_init((c),(v)); MALLOC_INIT |
18f739ee | 250 | #define PERL_SYS_TERM() MALLOC_TERM |
8cc95fdb | 251 | #define dXSUB_SYS |
a0d0e21e LW |
252 | #define HAS_KILL |
253 | #define HAS_WAIT | |
254 | ||
e518068a | 255 | /* VMS: |
256 | * This symbol, if defined, indicates that the program is running under | |
257 | * VMS. It's a symbol automagically defined by all VMS C compilers I've seen. | |
258 | * Just in case, however . . . */ | |
259 | #ifndef VMS | |
260 | #define VMS /**/ | |
261 | #endif | |
262 | ||
263 | /* HAS_IOCTL: | |
264 | * This symbol, if defined, indicates that the ioctl() routine is | |
265 | * available to set I/O characteristics | |
a0d0e21e | 266 | */ |
e518068a | 267 | #undef HAS_IOCTL /**/ |
268 | ||
269 | /* HAS_UTIME: | |
270 | * This symbol, if defined, indicates that the routine utime() is | |
271 | * available to update the access and modification times of files. | |
272 | */ | |
273 | #define HAS_UTIME /**/ | |
a0d0e21e | 274 | |
e518068a | 275 | /* HAS_GROUP |
28e8609d JH |
276 | * This symbol, if defined, indicates that the getgrnam() and |
277 | * getgrgid() routines are available to get group entries. | |
278 | * The getgrent() has a separate definition, HAS_GETGRENT. | |
e518068a | 279 | */ |
280 | #undef HAS_GROUP /**/ | |
281 | ||
282 | /* HAS_PASSWD | |
28e8609d JH |
283 | * This symbol, if defined, indicates that the getpwnam() and |
284 | * getpwuid() routines are available to get password entries. | |
285 | * The getpwent() has a separate definition, HAS_GETPWENT. | |
e518068a | 286 | */ |
287 | #define HAS_PASSWD /**/ | |
288 | ||
289 | #define HAS_KILL | |
290 | #define HAS_WAIT | |
291 | ||
0414b1a0 | 292 | /* USEMYBINMODE |
293 | * This symbol, if defined, indicates that the program should | |
294 | * use the routine my_binmode(FILE *fp, char iotype) to insure | |
295 | * that a file is in "binary" mode -- that is, that no translation | |
296 | * of bytes occurs on read or write operations. | |
297 | */ | |
562a7b0c | 298 | #undef USEMYBINMODE |
0414b1a0 | 299 | |
61bb5906 CB |
300 | /* Stat_t: |
301 | * This symbol holds the type used to declare buffers for information | |
302 | * returned by stat(). It's usually just struct stat. It may be necessary | |
303 | * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed | |
304 | * information. | |
305 | */ | |
306 | /* VMS: | |
307 | * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS | |
308 | * is in effect, since Perl's thread.h embeds one of these structs in its | |
309 | * thread data struct, and our struct mystat is a different size from the | |
310 | * regular struct stat (cf. note above about having to pad struct to work | |
311 | * around bug in compiler.) | |
312 | * It's OK to pass one of these to the RTL's stat(), though, since the | |
313 | * fields it fills are the same in each struct. | |
314 | */ | |
315 | #define Stat_t struct mystat | |
316 | ||
317 | /* USE_STAT_RDEV: | |
318 | * This symbol is defined if this system has a stat structure declaring | |
319 | * st_rdev | |
320 | * VMS: Field exists in POSIXish version of struct stat(), but is not used. | |
321 | */ | |
322 | #undef USE_STAT_RDEV /**/ | |
323 | ||
a0d0e21e LW |
324 | /* |
325 | * fwrite1() should be a routine with the same calling sequence as fwrite(), | |
326 | * but which outputs all of the bytes requested as a single stream (unlike | |
327 | * fwrite() itself, which on some systems outputs several distinct records | |
328 | * if the number_of_items parameter is >1). | |
329 | */ | |
330 | #define fwrite1 my_fwrite | |
331 | ||
d27fe803 JH |
332 | /* By default, flush data all the way to disk, not just to RMS buffers */ |
333 | #define Fflush(fp) my_flush(fp) | |
334 | ||
a0d0e21e LW |
335 | /* Use our own rmdir() */ |
336 | #define rmdir(name) do_rmdir(name) | |
337 | ||
338 | /* Assorted fiddling with sigs . . . */ | |
339 | # include <signal.h> | |
340 | #define ABORT() abort() | |
5f05dabc | 341 | /* VAXC's signal.h doesn't #define SIG_ERR, but provides BADSIG instead. */ |
342 | #if !defined(SIG_ERR) && defined(BADSIG) | |
343 | # define SIG_ERR BADSIG | |
344 | #endif | |
345 | ||
a0d0e21e | 346 | |
748a9306 LW |
347 | /* Used with our my_utime() routine in vms.c */ |
348 | struct utimbuf { | |
349 | time_t actime; | |
350 | time_t modtime; | |
351 | }; | |
352 | #define utime my_utime | |
353 | ||
0414b1a0 | 354 | /* This is what times() returns, but <times.h> calls it tbuffer_t on VMS |
355 | * prior to v7.0. We check the DECC manifest to see whether it's already | |
356 | * done this for us, relying on the fact that perl.h #includes <time.h> | |
357 | * before it #includes "vmsish.h". | |
358 | */ | |
a0d0e21e | 359 | |
0414b1a0 | 360 | #ifndef __TMS |
361 | struct tms { | |
362 | clock_t tms_utime; /* user time */ | |
363 | clock_t tms_stime; /* system time - always 0 on VMS */ | |
364 | clock_t tms_cutime; /* user time, children */ | |
365 | clock_t tms_cstime; /* system time, children - always 0 on VMS */ | |
366 | }; | |
5f05dabc | 367 | #else |
368 | /* The new headers change the times() prototype to tms from tbuffer */ | |
369 | # define tbuffer_t struct tms | |
0414b1a0 | 370 | #endif |
a0d0e21e | 371 | |
61bb5906 CB |
372 | /* Substitute our own routines for gmtime(), localtime(), and time(), |
373 | * which allow us to implement the vmsish 'time' pragma, and work | |
374 | * around absence of system-level UTC support on old versions of VMS. | |
e518068a | 375 | */ |
376 | #define gmtime(t) my_gmtime(t) | |
ff0cee69 | 377 | #define localtime(t) my_localtime(t) |
378 | #define time(t) my_time(t) | |
61bb5906 CB |
379 | |
380 | /* If we're using an older version of VMS whose Unix signal emulation | |
381 | * isn't very POSIXish, then roll our own. | |
382 | */ | |
383 | #if __VMS_VER < 70000000 || __DECC_VER < 50200000 | |
384 | # define HOMEGROWN_POSIX_SIGNALS | |
385 | #endif | |
386 | #ifdef HOMEGROWN_POSIX_SIGNALS | |
387 | # define sigemptyset(t) my_sigemptyset(t) | |
388 | # define sigfillset(t) my_sigfillset(t) | |
389 | # define sigaddset(t, u) my_sigaddset(t, u) | |
390 | # define sigdelset(t, u) my_sigdelset(t, u) | |
391 | # define sigismember(t, u) my_sigismember(t, u) | |
392 | # define sigprocmask(t, u, v) my_sigprocmask(t, u, v) | |
09b7f37c | 393 | # ifndef _SIGSET_T |
61bb5906 | 394 | typedef int sigset_t; |
09b7f37c | 395 | # endif |
61bb5906 CB |
396 | /* The tools for sigprocmask() are there, just not the routine itself */ |
397 | # ifndef SIG_UNBLOCK | |
398 | # define SIG_UNBLOCK 1 | |
399 | # endif | |
400 | # ifndef SIG_BLOCK | |
401 | # define SIG_BLOCK 2 | |
402 | # endif | |
403 | # ifndef SIG_SETMASK | |
404 | # define SIG_SETMASK 3 | |
405 | # endif | |
406 | # define sigaction sigvec | |
407 | # define sa_flags sv_onstack | |
408 | # define sa_handler sv_handler | |
409 | # define sa_mask sv_mask | |
410 | # define sigsuspend(set) sigpause(*set) | |
411 | # define sigpending(a) (not_here("sigpending"),0) | |
7b62b82b | 412 | #endif |
e518068a | 413 | |
a0d0e21e LW |
414 | /* VMS doesn't use a real sys_nerr, but we need this when scanning for error |
415 | * messages in text strings . . . | |
416 | */ | |
417 | ||
418 | #define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */ | |
419 | ||
420 | /* Look up new %ENV values on the fly */ | |
421 | #define DYNAMIC_ENV_FETCH 1 | |
422 | #define ENV_HV_NAME "%EnV%VmS%" | |
aa689395 | 423 | /* Special getenv function for retrieving %ENV elements. */ |
562a7b0c | 424 | #define ENVgetenv(v) my_getenv(v,FALSE) |
a6c40364 | 425 | #define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE) |
aa689395 | 426 | |
a0d0e21e | 427 | |
c07a80fd | 428 | /* Thin jacket around cuserid() tomatch Unix' calling sequence */ |
429 | #define getlogin my_getlogin | |
430 | ||
431 | /* Ditto for sys$hash_passwrod() . . . */ | |
432 | #define crypt my_crypt | |
433 | ||
8cc95fdb | 434 | /* Tweak arg to mkdir first, so we can tolerate trailing /. */ |
435 | #define Mkdir(dir,mode) my_mkdir((dir),(mode)) | |
436 | ||
a0d0e21e LW |
437 | /* Use our own stat() clones, which handle Unix-style directory names */ |
438 | #define Stat(name,bufptr) flex_stat(name,bufptr) | |
439 | #define Fstat(fd,bufptr) flex_fstat(fd,bufptr) | |
440 | ||
441 | /* Setup for the dirent routines: | |
442 | * opendir(), closedir(), readdir(), seekdir(), telldir(), and | |
443 | * vmsreaddirversions(), and preprocessor stuff on which these depend: | |
444 | * Written by Rich $alz, <rsalz@bbn.com> in August, 1990. | |
a0d0e21e LW |
445 | */ |
446 | /* Data structure returned by READDIR(). */ | |
447 | struct dirent { | |
448 | char d_name[256]; /* File name */ | |
449 | int d_namlen; /* Length of d_name */ | |
450 | int vms_verscount; /* Number of versions */ | |
451 | int vms_versions[20]; /* Version numbers */ | |
452 | }; | |
453 | ||
454 | /* Handle returned by opendir(), used by the other routines. You | |
455 | * are not supposed to care what's inside this structure. */ | |
456 | typedef struct _dirdesc { | |
457 | long context; | |
458 | int vms_wantversions; | |
459 | unsigned long int count; | |
460 | char *pattern; | |
461 | struct dirent entry; | |
462 | struct dsc$descriptor_s pat; | |
463 | } DIR; | |
464 | ||
465 | #define rewinddir(dirp) seekdir((dirp), 0) | |
466 | ||
748a9306 LW |
467 | /* used for our emulation of getpw* */ |
468 | struct passwd { | |
469 | char *pw_name; /* Username */ | |
470 | char *pw_passwd; | |
471 | Uid_t pw_uid; /* UIC member number */ | |
472 | Gid_t pw_gid; /* UIC group number */ | |
473 | char *pw_comment; /* Default device/directory (Unix-style) */ | |
474 | char *pw_gecos; /* Owner */ | |
475 | char *pw_dir; /* Default device/directory (VMS-style) */ | |
476 | char *pw_shell; /* Default CLI name (eg. DCL) */ | |
477 | }; | |
478 | #define pw_unixdir pw_comment /* Default device/directory (Unix-style) */ | |
479 | #define getpwnam my_getpwnam | |
480 | #define getpwuid my_getpwuid | |
481 | #define getpwent my_getpwent | |
482 | #define endpwent my_endpwent | |
483 | #define setpwent my_endpwent | |
484 | ||
485 | /* Our own stat_t substitute, since we play with st_dev and st_ino - | |
486 | * we want atomic types so Unix-bound code which compares these fields | |
c07a80fd | 487 | * for two files will work most of the time under VMS. |
488 | * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) == | |
489 | * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type | |
490 | * to map the unsigned int we want and the unsigned short[3] the CRTL | |
491 | * returns into the same member, since gcc has different ideas than DECC | |
492 | * and VAXC about sizing union types. | |
493 | * N.B 2. The routine cando() in vms.c assumes that &stat.st_ino is the | |
494 | * address of a FID. | |
748a9306 LW |
495 | */ |
496 | /* First, grab the system types, so we don't clobber them later */ | |
497 | #include <stat.h> | |
498 | /* Since we've got to match the size of the CRTL's stat_t, we need | |
499 | * to mimic DECC's alignment settings. | |
500 | */ | |
501 | #if defined(__DECC) || defined(__DECCXX) | |
502 | # pragma __member_alignment __save | |
503 | # pragma __nomember_alignment | |
504 | #endif | |
505 | #if defined(__DECC) | |
506 | # pragma __message __save | |
507 | # pragma __message disable (__MISALGNDSTRCT) | |
508 | # pragma __message disable (__MISALGNDMEM) | |
509 | #endif | |
510 | struct mystat | |
511 | { | |
512 | char *st_devnam; /* pointer to device name */ | |
c07a80fd | 513 | unsigned st_ino; /* hack - CRTL uses unsigned short[3] for */ |
514 | unsigned short rvn; /* FID (num,seq,rvn) */ | |
748a9306 LW |
515 | unsigned short st_mode; /* file "mode" i.e. prot, dir, reg, etc. */ |
516 | int st_nlink; /* for compatibility - not really used */ | |
517 | unsigned st_uid; /* from ACP - QIO uic field */ | |
518 | unsigned short st_gid; /* group number extracted from st_uid */ | |
519 | dev_t st_rdev; /* for compatibility - always zero */ | |
520 | off_t st_size; /* file size in bytes */ | |
521 | unsigned st_atime; /* file access time; always same as st_mtime */ | |
522 | unsigned st_mtime; /* last modification time */ | |
523 | unsigned st_ctime; /* file creation time */ | |
524 | char st_fab_rfm; /* record format */ | |
525 | char st_fab_rat; /* record attributes */ | |
526 | char st_fab_fsz; /* fixed header size */ | |
527 | unsigned st_dev; /* encoded device name */ | |
61bb5906 CB |
528 | /* Pad struct out to integral number of longwords, since DECC 5.6/VAX |
529 | * has a bug in dealing with offsets in structs in which are embedded | |
530 | * other structs whose size is an odd number of bytes. (An even | |
531 | * number of bytes is enough to make it happy, but we go for natural | |
532 | * alignment anyhow.) | |
533 | */ | |
534 | char st_fill1[sizeof(void *) - (3*sizeof(unsigned short) + 3*sizeof(char))%sizeof(void *)]; | |
748a9306 | 535 | }; |
748a9306 | 536 | typedef unsigned mydev_t; |
c07a80fd | 537 | typedef unsigned myino_t; |
aa689395 | 538 | #ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */ |
539 | # ifdef stat | |
540 | # undef stat | |
541 | # endif | |
542 | # define stat mystat | |
543 | # define dev_t mydev_t | |
544 | # define ino_t myino_t | |
545 | #endif | |
748a9306 LW |
546 | #if defined(__DECC) || defined(__DECCXX) |
547 | # pragma __member_alignment __restore | |
548 | #endif | |
549 | #if defined(__DECC) | |
550 | # pragma __message __restore | |
551 | #endif | |
552 | /* Cons up a 'delete' bit for testing access */ | |
553 | #define S_IDUSR (S_IWUSR | S_IXUSR) | |
554 | #define S_IDGRP (S_IWGRP | S_IXGRP) | |
555 | #define S_IDOTH (S_IWOTH | S_IXOTH) | |
a0d0e21e LW |
556 | |
557 | /* Prototypes for functions unique to vms.c. Don't include replacements | |
558 | * for routines in the mainline source files excluded by #ifndef VMS; | |
559 | * their prototypes are already in proto.h. | |
560 | * | |
561 | * In order to keep Gen_ShrFls.Pl happy, functions which are to be made | |
562 | * available to images linked to PerlShr.Exe must be declared between the | |
563 | * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form | |
20ce7b12 | 564 | * <data type><TAB>name<WHITESPACE>(<prototype args>); |
a0d0e21e | 565 | */ |
94c456c4 | 566 | |
44a8e56a | 567 | #ifdef NO_PERL_TYPEDEFS |
568 | /* We don't have Perl typedefs available (e.g. when building a2p), so | |
569 | we fake them here. N.B. There is *no* guarantee that the faked | |
570 | prototypes will actually match the real routines. If you want to | |
571 | call Perl routines, include perl.h to get the real typedefs. */ | |
572 | # ifndef bool | |
573 | # define bool int | |
574 | # define __MY_BOOL_TYPE_FAKE | |
575 | # endif | |
576 | # ifndef I32 | |
577 | # define I32 int | |
578 | # define __MY_I32_TYPE_FAKE | |
579 | # endif | |
580 | # ifndef SV | |
581 | # define SV void /* Since we only see SV * in prototypes */ | |
582 | # define __MY_SV_TYPE_FAKE | |
583 | # endif | |
584 | #endif | |
585 | ||
20ce7b12 GS |
586 | void prime_env_iter (void); |
587 | void init_os_extras (); | |
c07a80fd | 588 | /* prototype section start marker; `typedef' passes through cpp */ |
589 | typedef char __VMS_PROTOTYPES__; | |
20ce7b12 GS |
590 | int vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int); |
591 | int my_trnlnm (const char *, char *, unsigned long int); | |
5c84aa53 CB |
592 | #if !defined(PERL_IMPLICIT_CONTEXT) |
593 | char * Perl_my_getenv (const char *, bool); | |
594 | #else | |
595 | char * Perl_my_getenv (pTHX_ const char *, bool); | |
596 | #endif | |
20ce7b12 GS |
597 | char * my_getenv_len (const char *, unsigned long *, bool); |
598 | int vmssetenv (char *, char *, struct dsc$descriptor_s **); | |
599 | char * my_crypt (const char *, const char *); | |
600 | Pid_t my_waitpid (Pid_t, int *, int); | |
601 | char * my_gconvert (double, int, int, char *); | |
602 | int do_rmdir (char *); | |
603 | int kill_file (char *); | |
604 | int my_mkdir (char *, Mode_t); | |
605 | int my_utime (char *, struct utimbuf *); | |
606 | char * rmsexpand (char *, char *, char *, unsigned); | |
607 | char * rmsexpand_ts (char *, char *, char *, unsigned); | |
608 | char * fileify_dirspec (char *, char *); | |
609 | char * fileify_dirspec_ts (char *, char *); | |
610 | char * pathify_dirspec (char *, char *); | |
611 | char * pathify_dirspec_ts (char *, char *); | |
612 | char * tounixspec (char *, char *); | |
613 | char * tounixspec_ts (char *, char *); | |
614 | char * tovmsspec (char *, char *); | |
615 | char * tovmsspec_ts (char *, char *); | |
616 | char * tounixpath (char *, char *); | |
617 | char * tounixpath_ts (char *, char *); | |
618 | char * tovmspath (char *, char *); | |
619 | char * tovmspath_ts (char *, char *); | |
620 | void vms_image_init (int *, char ***); | |
621 | DIR * opendir (char *); | |
622 | struct dirent * readdir (DIR *); | |
623 | long telldir (DIR *); | |
624 | void seekdir (DIR *, long); | |
625 | void closedir (DIR *); | |
626 | void vmsreaddirversions (DIR *, int); | |
627 | struct tm * my_gmtime (const time_t *); | |
628 | struct tm * my_localtime (const time_t *); | |
629 | time_t my_time (time_t *); | |
61bb5906 | 630 | #ifdef HOMEGROWN_POSIX_SIGNALS |
20ce7b12 GS |
631 | int my_sigemptyset (sigset_t *); |
632 | int my_sigfillset (sigset_t *); | |
633 | int my_sigaddset (sigset_t *, int); | |
634 | int my_sigdelset (sigset_t *, int); | |
635 | int my_sigismember (sigset_t *, int); | |
636 | int my_sigprocmask (int, sigset_t *, sigset_t *); | |
5b411029 | 637 | #endif |
20ce7b12 GS |
638 | I32 cando_by_name (I32, I32, char *); |
639 | int flex_fstat (int, Stat_t *); | |
cc077a9f | 640 | int flex_stat (const char *, Stat_t *); |
20ce7b12 GS |
641 | int trim_unixpath (char *, char*, int); |
642 | int my_vfork (); | |
643 | bool vms_do_aexec (SV *, SV **, SV **); | |
644 | bool vms_do_exec (char *); | |
645 | unsigned long int do_aspawn (void *, void **, void **); | |
646 | unsigned long int do_spawn (char *); | |
647 | int my_fwrite (void *, size_t, size_t, FILE *); | |
648 | int my_flush (FILE *); | |
649 | struct passwd * my_getpwnam (char *name); | |
650 | struct passwd * my_getpwuid (Uid_t uid); | |
651 | struct passwd * my_getpwent (); | |
652 | void my_endpwent (); | |
653 | char * my_getlogin (); | |
654 | int rmscopy (char *, char *, int); | |
c07a80fd | 655 | typedef char __VMS_SEPYTOTORP__; |
656 | /* prototype section end marker; `typedef' passes through cpp */ | |
a0d0e21e | 657 | |
44a8e56a | 658 | #ifdef NO_PERL_TYPEDEFS /* We'll try not to scramble later files */ |
659 | # ifdef __MY_BOOL_TYPE_FAKE | |
660 | # undef bool | |
661 | # undef __MY_BOOL_TYPE_FAKE | |
662 | # endif | |
663 | # ifdef __MY_I32_TYPE_FAKE | |
664 | # undef I32 | |
665 | # undef __MY_I32_TYPE_FAKE | |
666 | # endif | |
667 | # ifdef __MY_SV_TYPE_FAKE | |
668 | # undef SV | |
669 | # undef __MY_SV_TYPE_FAKE | |
670 | # endif | |
671 | #endif | |
672 | ||
a0d0e21e | 673 | #ifndef VMS_DO_SOCKETS |
748a9306 LW |
674 | /* This relies on tricks in perl.h to pick up that these manifest constants |
675 | * are undefined and set up conversion routines. It will then redefine | |
676 | * these manifest constants, so the actual values will match config.h | |
677 | */ | |
678 | #undef HAS_HTONS | |
679 | #undef HAS_NTOHS | |
680 | #undef HAS_HTONL | |
681 | #undef HAS_NTOHL | |
a0d0e21e LW |
682 | #endif |
683 | ||
482b294c | 684 | #define TMPPATH "sys$scratch:perl-eXXXXXX" |
685 | ||
a0d0e21e | 686 | #endif /* __vmsish_h_included */ |