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 | ||
a44ceb8e CB |
201 | /* Lower case entry points for these are missing in some earlier RTLs |
202 | * so we borrow the defines and declares from errno.h and upcase them. | |
203 | */ | |
204 | #if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 50500000) | |
205 | # define errno (*CMA$TIS_ERRNO_GET_ADDR()) | |
206 | # define vaxc$errno (*CMA$TIS_VMSERRNO_GET_ADDR()) | |
207 | int *CMA$TIS_ERRNO_GET_ADDR (void); /* UNIX style error code */ | |
208 | int *CMA$TIS_VMSERRNO_GET_ADDR (void); /* VMS error (errno == EVMSERR) */ | |
209 | #endif | |
210 | ||
748a9306 LW |
211 | /* Macros to set errno using the VAX thread-safe calls, if present */ |
212 | #if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA) | |
213 | # define set_errno(v) (cma$tis_errno_set_value(v)) | |
774d564b | 214 | void cma$tis_errno_set_value(int __value); /* missing in some errno.h */ |
748a9306 LW |
215 | # define set_vaxc_errno(v) (vaxc$errno = (v)) |
216 | #else | |
217 | # define set_errno(v) (errno = (v)) | |
218 | # define set_vaxc_errno(v) (vaxc$errno = (v)) | |
219 | #endif | |
220 | ||
ff0cee69 | 221 | /* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */ |
222 | ||
223 | #define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */ | |
224 | ||
aa689395 | 225 | #define HINT_V_VMSISH 24 |
d98f61e7 GS |
226 | #define HINT_M_VMSISH_HUSHED 0x20000000 /* stifle error msgs on exit */ |
227 | #define HINT_M_VMSISH_STATUS 0x40000000 /* system, $? return VMS status */ | |
a0ed51b3 | 228 | #define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */ |
6b88bc9c | 229 | #define NATIVE_HINTS (PL_hints >> HINT_V_VMSISH) /* used in op.c */ |
ff0cee69 | 230 | |
6b88bc9c | 231 | #define TEST_VMSISH(h) (PL_curcop->op_private & ((h) >> HINT_V_VMSISH)) |
d98f61e7 | 232 | #define VMSISH_HUSHED TEST_VMSISH(HINT_M_VMSISH_HUSHED) |
ff0cee69 | 233 | #define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS) |
ff0cee69 | 234 | #define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME) |
235 | ||
562a7b0c CB |
236 | /* Flags for vmstrnenv() */ |
237 | #define PERL__TRNENV_SECURE 0x01 | |
238 | ||
748a9306 | 239 | /* Handy way to vet calls to VMS system services and RTL routines. */ |
bf109933 | 240 | #define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \ |
748a9306 LW |
241 | if (!((__ckvms_sts=(call))&1)) { \ |
242 | set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ | |
5c84aa53 | 243 | Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \ |
bf109933 | 244 | __ckvms_sts,__FILE__,__LINE__); } } STMT_END |
a0d0e21e | 245 | |
0414b1a0 | 246 | /* Same thing, but don't call back to Perl's croak(); useful for errors |
247 | * occurring during startup, before Perl's state is initialized */ | |
248 | #define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \ | |
249 | if (!((__ckvms_sts=(call))&1)) { \ | |
250 | set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ | |
251 | fprintf(Perl_debug_log,"Fatal VMS error (status=%d) at %s, line %d", \ | |
252 | __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END | |
253 | ||
a0d0e21e LW |
254 | #ifdef VMS_DO_SOCKETS |
255 | #include "sockadapt.h" | |
256 | #endif | |
257 | ||
c07a80fd | 258 | #define BIT_BUCKET "_NLA0:" |
fc1ce8cc | 259 | #define PERL_SYS_INIT(c,v) vms_image_init((c),(v)); MALLOC_INIT |
534825c4 | 260 | #define PERL_SYS_TERM() OP_REFCNT_TERM; MALLOC_TERM |
8cc95fdb | 261 | #define dXSUB_SYS |
a0d0e21e LW |
262 | #define HAS_KILL |
263 | #define HAS_WAIT | |
264 | ||
146174a9 | 265 | #define PERL_FS_VER_FMT "%d_%d_%d" |
c93fa817 GS |
266 | /* Temporary; we need to add support for this to Configure.Com */ |
267 | #ifdef PERL_INC_VERSION_LIST | |
268 | # undef PERL_INC_VERSION_LIST | |
269 | #endif | |
146174a9 | 270 | |
e518068a | 271 | /* VMS: |
272 | * This symbol, if defined, indicates that the program is running under | |
273 | * VMS. It's a symbol automagically defined by all VMS C compilers I've seen. | |
274 | * Just in case, however . . . */ | |
275 | #ifndef VMS | |
276 | #define VMS /**/ | |
277 | #endif | |
278 | ||
279 | /* HAS_IOCTL: | |
280 | * This symbol, if defined, indicates that the ioctl() routine is | |
281 | * available to set I/O characteristics | |
a0d0e21e | 282 | */ |
e518068a | 283 | #undef HAS_IOCTL /**/ |
284 | ||
285 | /* HAS_UTIME: | |
286 | * This symbol, if defined, indicates that the routine utime() is | |
287 | * available to update the access and modification times of files. | |
288 | */ | |
289 | #define HAS_UTIME /**/ | |
a0d0e21e | 290 | |
e518068a | 291 | /* HAS_GROUP |
28e8609d JH |
292 | * This symbol, if defined, indicates that the getgrnam() and |
293 | * getgrgid() routines are available to get group entries. | |
294 | * The getgrent() has a separate definition, HAS_GETGRENT. | |
e518068a | 295 | */ |
296 | #undef HAS_GROUP /**/ | |
297 | ||
298 | /* HAS_PASSWD | |
28e8609d JH |
299 | * This symbol, if defined, indicates that the getpwnam() and |
300 | * getpwuid() routines are available to get password entries. | |
301 | * The getpwent() has a separate definition, HAS_GETPWENT. | |
e518068a | 302 | */ |
303 | #define HAS_PASSWD /**/ | |
304 | ||
305 | #define HAS_KILL | |
306 | #define HAS_WAIT | |
307 | ||
0414b1a0 | 308 | /* USEMYBINMODE |
309 | * This symbol, if defined, indicates that the program should | |
16fe6d59 | 310 | * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure |
0414b1a0 | 311 | * that a file is in "binary" mode -- that is, that no translation |
312 | * of bytes occurs on read or write operations. | |
313 | */ | |
562a7b0c | 314 | #undef USEMYBINMODE |
0414b1a0 | 315 | |
61bb5906 CB |
316 | /* Stat_t: |
317 | * This symbol holds the type used to declare buffers for information | |
318 | * returned by stat(). It's usually just struct stat. It may be necessary | |
319 | * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed | |
320 | * information. | |
321 | */ | |
322 | /* VMS: | |
323 | * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS | |
324 | * is in effect, since Perl's thread.h embeds one of these structs in its | |
325 | * thread data struct, and our struct mystat is a different size from the | |
326 | * regular struct stat (cf. note above about having to pad struct to work | |
327 | * around bug in compiler.) | |
328 | * It's OK to pass one of these to the RTL's stat(), though, since the | |
329 | * fields it fills are the same in each struct. | |
330 | */ | |
331 | #define Stat_t struct mystat | |
332 | ||
333 | /* USE_STAT_RDEV: | |
334 | * This symbol is defined if this system has a stat structure declaring | |
335 | * st_rdev | |
336 | * VMS: Field exists in POSIXish version of struct stat(), but is not used. | |
337 | */ | |
338 | #undef USE_STAT_RDEV /**/ | |
339 | ||
a0d0e21e LW |
340 | /* |
341 | * fwrite1() should be a routine with the same calling sequence as fwrite(), | |
342 | * but which outputs all of the bytes requested as a single stream (unlike | |
343 | * fwrite() itself, which on some systems outputs several distinct records | |
344 | * if the number_of_items parameter is >1). | |
345 | */ | |
346 | #define fwrite1 my_fwrite | |
347 | ||
d27fe803 JH |
348 | /* By default, flush data all the way to disk, not just to RMS buffers */ |
349 | #define Fflush(fp) my_flush(fp) | |
350 | ||
a0d0e21e LW |
351 | /* Use our own rmdir() */ |
352 | #define rmdir(name) do_rmdir(name) | |
353 | ||
354 | /* Assorted fiddling with sigs . . . */ | |
355 | # include <signal.h> | |
356 | #define ABORT() abort() | |
5f05dabc | 357 | /* VAXC's signal.h doesn't #define SIG_ERR, but provides BADSIG instead. */ |
358 | #if !defined(SIG_ERR) && defined(BADSIG) | |
359 | # define SIG_ERR BADSIG | |
360 | #endif | |
361 | ||
a0d0e21e | 362 | |
748a9306 LW |
363 | /* Used with our my_utime() routine in vms.c */ |
364 | struct utimbuf { | |
365 | time_t actime; | |
366 | time_t modtime; | |
367 | }; | |
368 | #define utime my_utime | |
369 | ||
0414b1a0 | 370 | /* This is what times() returns, but <times.h> calls it tbuffer_t on VMS |
371 | * prior to v7.0. We check the DECC manifest to see whether it's already | |
372 | * done this for us, relying on the fact that perl.h #includes <time.h> | |
373 | * before it #includes "vmsish.h". | |
374 | */ | |
a0d0e21e | 375 | |
0414b1a0 | 376 | #ifndef __TMS |
377 | struct tms { | |
378 | clock_t tms_utime; /* user time */ | |
379 | clock_t tms_stime; /* system time - always 0 on VMS */ | |
380 | clock_t tms_cutime; /* user time, children */ | |
381 | clock_t tms_cstime; /* system time, children - always 0 on VMS */ | |
382 | }; | |
5f05dabc | 383 | #else |
384 | /* The new headers change the times() prototype to tms from tbuffer */ | |
385 | # define tbuffer_t struct tms | |
0414b1a0 | 386 | #endif |
a0d0e21e | 387 | |
61bb5906 CB |
388 | /* Substitute our own routines for gmtime(), localtime(), and time(), |
389 | * which allow us to implement the vmsish 'time' pragma, and work | |
390 | * around absence of system-level UTC support on old versions of VMS. | |
e518068a | 391 | */ |
392 | #define gmtime(t) my_gmtime(t) | |
ff0cee69 | 393 | #define localtime(t) my_localtime(t) |
394 | #define time(t) my_time(t) | |
61bb5906 CB |
395 | |
396 | /* If we're using an older version of VMS whose Unix signal emulation | |
397 | * isn't very POSIXish, then roll our own. | |
398 | */ | |
399 | #if __VMS_VER < 70000000 || __DECC_VER < 50200000 | |
400 | # define HOMEGROWN_POSIX_SIGNALS | |
401 | #endif | |
402 | #ifdef HOMEGROWN_POSIX_SIGNALS | |
403 | # define sigemptyset(t) my_sigemptyset(t) | |
404 | # define sigfillset(t) my_sigfillset(t) | |
405 | # define sigaddset(t, u) my_sigaddset(t, u) | |
406 | # define sigdelset(t, u) my_sigdelset(t, u) | |
407 | # define sigismember(t, u) my_sigismember(t, u) | |
408 | # define sigprocmask(t, u, v) my_sigprocmask(t, u, v) | |
09b7f37c | 409 | # ifndef _SIGSET_T |
61bb5906 | 410 | typedef int sigset_t; |
09b7f37c | 411 | # endif |
61bb5906 CB |
412 | /* The tools for sigprocmask() are there, just not the routine itself */ |
413 | # ifndef SIG_UNBLOCK | |
414 | # define SIG_UNBLOCK 1 | |
415 | # endif | |
416 | # ifndef SIG_BLOCK | |
417 | # define SIG_BLOCK 2 | |
418 | # endif | |
419 | # ifndef SIG_SETMASK | |
420 | # define SIG_SETMASK 3 | |
421 | # endif | |
422 | # define sigaction sigvec | |
423 | # define sa_flags sv_onstack | |
424 | # define sa_handler sv_handler | |
425 | # define sa_mask sv_mask | |
426 | # define sigsuspend(set) sigpause(*set) | |
427 | # define sigpending(a) (not_here("sigpending"),0) | |
7b62b82b | 428 | #endif |
e518068a | 429 | |
a0d0e21e LW |
430 | /* VMS doesn't use a real sys_nerr, but we need this when scanning for error |
431 | * messages in text strings . . . | |
432 | */ | |
433 | ||
434 | #define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */ | |
435 | ||
436 | /* Look up new %ENV values on the fly */ | |
437 | #define DYNAMIC_ENV_FETCH 1 | |
438 | #define ENV_HV_NAME "%EnV%VmS%" | |
aa689395 | 439 | /* Special getenv function for retrieving %ENV elements. */ |
562a7b0c | 440 | #define ENVgetenv(v) my_getenv(v,FALSE) |
a6c40364 | 441 | #define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE) |
aa689395 | 442 | |
a0d0e21e | 443 | |
c07a80fd | 444 | /* Thin jacket around cuserid() tomatch Unix' calling sequence */ |
445 | #define getlogin my_getlogin | |
446 | ||
447 | /* Ditto for sys$hash_passwrod() . . . */ | |
448 | #define crypt my_crypt | |
449 | ||
8cc95fdb | 450 | /* Tweak arg to mkdir first, so we can tolerate trailing /. */ |
451 | #define Mkdir(dir,mode) my_mkdir((dir),(mode)) | |
452 | ||
a0d0e21e LW |
453 | /* Use our own stat() clones, which handle Unix-style directory names */ |
454 | #define Stat(name,bufptr) flex_stat(name,bufptr) | |
455 | #define Fstat(fd,bufptr) flex_fstat(fd,bufptr) | |
456 | ||
457 | /* Setup for the dirent routines: | |
458 | * opendir(), closedir(), readdir(), seekdir(), telldir(), and | |
459 | * vmsreaddirversions(), and preprocessor stuff on which these depend: | |
460 | * Written by Rich $alz, <rsalz@bbn.com> in August, 1990. | |
a0d0e21e LW |
461 | */ |
462 | /* Data structure returned by READDIR(). */ | |
463 | struct dirent { | |
464 | char d_name[256]; /* File name */ | |
465 | int d_namlen; /* Length of d_name */ | |
466 | int vms_verscount; /* Number of versions */ | |
467 | int vms_versions[20]; /* Version numbers */ | |
468 | }; | |
469 | ||
470 | /* Handle returned by opendir(), used by the other routines. You | |
471 | * are not supposed to care what's inside this structure. */ | |
472 | typedef struct _dirdesc { | |
473 | long context; | |
474 | int vms_wantversions; | |
475 | unsigned long int count; | |
476 | char *pattern; | |
477 | struct dirent entry; | |
478 | struct dsc$descriptor_s pat; | |
479 | } DIR; | |
480 | ||
481 | #define rewinddir(dirp) seekdir((dirp), 0) | |
482 | ||
748a9306 LW |
483 | /* used for our emulation of getpw* */ |
484 | struct passwd { | |
485 | char *pw_name; /* Username */ | |
486 | char *pw_passwd; | |
487 | Uid_t pw_uid; /* UIC member number */ | |
488 | Gid_t pw_gid; /* UIC group number */ | |
489 | char *pw_comment; /* Default device/directory (Unix-style) */ | |
490 | char *pw_gecos; /* Owner */ | |
491 | char *pw_dir; /* Default device/directory (VMS-style) */ | |
492 | char *pw_shell; /* Default CLI name (eg. DCL) */ | |
493 | }; | |
494 | #define pw_unixdir pw_comment /* Default device/directory (Unix-style) */ | |
495 | #define getpwnam my_getpwnam | |
496 | #define getpwuid my_getpwuid | |
497 | #define getpwent my_getpwent | |
498 | #define endpwent my_endpwent | |
499 | #define setpwent my_endpwent | |
500 | ||
501 | /* Our own stat_t substitute, since we play with st_dev and st_ino - | |
502 | * we want atomic types so Unix-bound code which compares these fields | |
c07a80fd | 503 | * for two files will work most of the time under VMS. |
504 | * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) == | |
505 | * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type | |
506 | * to map the unsigned int we want and the unsigned short[3] the CRTL | |
507 | * returns into the same member, since gcc has different ideas than DECC | |
508 | * and VAXC about sizing union types. | |
509 | * N.B 2. The routine cando() in vms.c assumes that &stat.st_ino is the | |
510 | * address of a FID. | |
748a9306 LW |
511 | */ |
512 | /* First, grab the system types, so we don't clobber them later */ | |
513 | #include <stat.h> | |
514 | /* Since we've got to match the size of the CRTL's stat_t, we need | |
515 | * to mimic DECC's alignment settings. | |
516 | */ | |
517 | #if defined(__DECC) || defined(__DECCXX) | |
518 | # pragma __member_alignment __save | |
519 | # pragma __nomember_alignment | |
520 | #endif | |
521 | #if defined(__DECC) | |
522 | # pragma __message __save | |
523 | # pragma __message disable (__MISALGNDSTRCT) | |
524 | # pragma __message disable (__MISALGNDMEM) | |
525 | #endif | |
526 | struct mystat | |
527 | { | |
528 | char *st_devnam; /* pointer to device name */ | |
c07a80fd | 529 | unsigned st_ino; /* hack - CRTL uses unsigned short[3] for */ |
530 | unsigned short rvn; /* FID (num,seq,rvn) */ | |
748a9306 LW |
531 | unsigned short st_mode; /* file "mode" i.e. prot, dir, reg, etc. */ |
532 | int st_nlink; /* for compatibility - not really used */ | |
533 | unsigned st_uid; /* from ACP - QIO uic field */ | |
534 | unsigned short st_gid; /* group number extracted from st_uid */ | |
535 | dev_t st_rdev; /* for compatibility - always zero */ | |
536 | off_t st_size; /* file size in bytes */ | |
537 | unsigned st_atime; /* file access time; always same as st_mtime */ | |
538 | unsigned st_mtime; /* last modification time */ | |
539 | unsigned st_ctime; /* file creation time */ | |
540 | char st_fab_rfm; /* record format */ | |
541 | char st_fab_rat; /* record attributes */ | |
542 | char st_fab_fsz; /* fixed header size */ | |
543 | unsigned st_dev; /* encoded device name */ | |
61bb5906 CB |
544 | /* Pad struct out to integral number of longwords, since DECC 5.6/VAX |
545 | * has a bug in dealing with offsets in structs in which are embedded | |
546 | * other structs whose size is an odd number of bytes. (An even | |
547 | * number of bytes is enough to make it happy, but we go for natural | |
548 | * alignment anyhow.) | |
549 | */ | |
550 | char st_fill1[sizeof(void *) - (3*sizeof(unsigned short) + 3*sizeof(char))%sizeof(void *)]; | |
748a9306 | 551 | }; |
748a9306 | 552 | typedef unsigned mydev_t; |
c07a80fd | 553 | typedef unsigned myino_t; |
a44ceb8e CB |
554 | |
555 | /* | |
556 | * DEC C previous to 6.0 corrupts the behavior of the /prefix | |
557 | * qualifier with the extern prefix pragma. This provisional | |
558 | * hack circumvents this prefix pragma problem in previous | |
559 | * precompilers. | |
560 | */ | |
561 | #if defined(__VMS_VER) && __VMS_VER >= 70000000 | |
562 | # if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 60000000) | |
563 | # pragma __extern_prefix save | |
564 | # pragma __extern_prefix "" /* set to empty to prevent prefixing */ | |
565 | # define geteuid decc$__unix_geteuid | |
566 | # define getuid decc$__unix_getuid | |
567 | # define stat(__p1,__p2) decc$__utc_stat(__p1,__p2) | |
568 | # define fstat(__p1,__p2) decc$__utc_fstat(__p1,__p2) | |
569 | # pragma __extern_prefix restore | |
570 | # endif | |
571 | #endif | |
572 | ||
aa689395 | 573 | #ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */ |
574 | # ifdef stat | |
575 | # undef stat | |
576 | # endif | |
577 | # define stat mystat | |
578 | # define dev_t mydev_t | |
579 | # define ino_t myino_t | |
580 | #endif | |
748a9306 LW |
581 | #if defined(__DECC) || defined(__DECCXX) |
582 | # pragma __member_alignment __restore | |
583 | #endif | |
584 | #if defined(__DECC) | |
585 | # pragma __message __restore | |
586 | #endif | |
587 | /* Cons up a 'delete' bit for testing access */ | |
588 | #define S_IDUSR (S_IWUSR | S_IXUSR) | |
589 | #define S_IDGRP (S_IWGRP | S_IXGRP) | |
590 | #define S_IDOTH (S_IWOTH | S_IXOTH) | |
a0d0e21e | 591 | |
a44ceb8e | 592 | |
a0d0e21e LW |
593 | /* Prototypes for functions unique to vms.c. Don't include replacements |
594 | * for routines in the mainline source files excluded by #ifndef VMS; | |
595 | * their prototypes are already in proto.h. | |
596 | * | |
597 | * In order to keep Gen_ShrFls.Pl happy, functions which are to be made | |
598 | * available to images linked to PerlShr.Exe must be declared between the | |
599 | * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form | |
20ce7b12 | 600 | * <data type><TAB>name<WHITESPACE>(<prototype args>); |
a0d0e21e | 601 | */ |
94c456c4 | 602 | |
44a8e56a | 603 | #ifdef NO_PERL_TYPEDEFS |
604 | /* We don't have Perl typedefs available (e.g. when building a2p), so | |
605 | we fake them here. N.B. There is *no* guarantee that the faked | |
606 | prototypes will actually match the real routines. If you want to | |
607 | call Perl routines, include perl.h to get the real typedefs. */ | |
608 | # ifndef bool | |
609 | # define bool int | |
610 | # define __MY_BOOL_TYPE_FAKE | |
611 | # endif | |
612 | # ifndef I32 | |
613 | # define I32 int | |
614 | # define __MY_I32_TYPE_FAKE | |
615 | # endif | |
616 | # ifndef SV | |
617 | # define SV void /* Since we only see SV * in prototypes */ | |
618 | # define __MY_SV_TYPE_FAKE | |
619 | # endif | |
620 | #endif | |
621 | ||
20ce7b12 GS |
622 | void prime_env_iter (void); |
623 | void init_os_extras (); | |
c07a80fd | 624 | /* prototype section start marker; `typedef' passes through cpp */ |
625 | typedef char __VMS_PROTOTYPES__; | |
20ce7b12 GS |
626 | int vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int); |
627 | int my_trnlnm (const char *, char *, unsigned long int); | |
5c84aa53 CB |
628 | #if !defined(PERL_IMPLICIT_CONTEXT) |
629 | char * Perl_my_getenv (const char *, bool); | |
630 | #else | |
631 | char * Perl_my_getenv (pTHX_ const char *, bool); | |
632 | #endif | |
20ce7b12 GS |
633 | char * my_getenv_len (const char *, unsigned long *, bool); |
634 | int vmssetenv (char *, char *, struct dsc$descriptor_s **); | |
635 | char * my_crypt (const char *, const char *); | |
636 | Pid_t my_waitpid (Pid_t, int *, int); | |
637 | char * my_gconvert (double, int, int, char *); | |
638 | int do_rmdir (char *); | |
639 | int kill_file (char *); | |
640 | int my_mkdir (char *, Mode_t); | |
641 | int my_utime (char *, struct utimbuf *); | |
642 | char * rmsexpand (char *, char *, char *, unsigned); | |
643 | char * rmsexpand_ts (char *, char *, char *, unsigned); | |
644 | char * fileify_dirspec (char *, char *); | |
645 | char * fileify_dirspec_ts (char *, char *); | |
646 | char * pathify_dirspec (char *, char *); | |
647 | char * pathify_dirspec_ts (char *, char *); | |
648 | char * tounixspec (char *, char *); | |
649 | char * tounixspec_ts (char *, char *); | |
650 | char * tovmsspec (char *, char *); | |
651 | char * tovmsspec_ts (char *, char *); | |
652 | char * tounixpath (char *, char *); | |
653 | char * tounixpath_ts (char *, char *); | |
654 | char * tovmspath (char *, char *); | |
655 | char * tovmspath_ts (char *, char *); | |
656 | void vms_image_init (int *, char ***); | |
657 | DIR * opendir (char *); | |
658 | struct dirent * readdir (DIR *); | |
659 | long telldir (DIR *); | |
660 | void seekdir (DIR *, long); | |
661 | void closedir (DIR *); | |
662 | void vmsreaddirversions (DIR *, int); | |
663 | struct tm * my_gmtime (const time_t *); | |
664 | struct tm * my_localtime (const time_t *); | |
665 | time_t my_time (time_t *); | |
61bb5906 | 666 | #ifdef HOMEGROWN_POSIX_SIGNALS |
20ce7b12 GS |
667 | int my_sigemptyset (sigset_t *); |
668 | int my_sigfillset (sigset_t *); | |
669 | int my_sigaddset (sigset_t *, int); | |
670 | int my_sigdelset (sigset_t *, int); | |
671 | int my_sigismember (sigset_t *, int); | |
672 | int my_sigprocmask (int, sigset_t *, sigset_t *); | |
5b411029 | 673 | #endif |
146174a9 | 674 | I32 cando_by_name (I32, Uid_t, char *); |
20ce7b12 | 675 | int flex_fstat (int, Stat_t *); |
cc077a9f | 676 | int flex_stat (const char *, Stat_t *); |
20ce7b12 GS |
677 | int trim_unixpath (char *, char*, int); |
678 | int my_vfork (); | |
679 | bool vms_do_aexec (SV *, SV **, SV **); | |
680 | bool vms_do_exec (char *); | |
681 | unsigned long int do_aspawn (void *, void **, void **); | |
682 | unsigned long int do_spawn (char *); | |
683 | int my_fwrite (void *, size_t, size_t, FILE *); | |
684 | int my_flush (FILE *); | |
685 | struct passwd * my_getpwnam (char *name); | |
686 | struct passwd * my_getpwuid (Uid_t uid); | |
687 | struct passwd * my_getpwent (); | |
688 | void my_endpwent (); | |
689 | char * my_getlogin (); | |
690 | int rmscopy (char *, char *, int); | |
c07a80fd | 691 | typedef char __VMS_SEPYTOTORP__; |
692 | /* prototype section end marker; `typedef' passes through cpp */ | |
a0d0e21e | 693 | |
44a8e56a | 694 | #ifdef NO_PERL_TYPEDEFS /* We'll try not to scramble later files */ |
695 | # ifdef __MY_BOOL_TYPE_FAKE | |
696 | # undef bool | |
697 | # undef __MY_BOOL_TYPE_FAKE | |
698 | # endif | |
699 | # ifdef __MY_I32_TYPE_FAKE | |
700 | # undef I32 | |
701 | # undef __MY_I32_TYPE_FAKE | |
702 | # endif | |
703 | # ifdef __MY_SV_TYPE_FAKE | |
704 | # undef SV | |
705 | # undef __MY_SV_TYPE_FAKE | |
706 | # endif | |
707 | #endif | |
708 | ||
a0d0e21e | 709 | #ifndef VMS_DO_SOCKETS |
748a9306 LW |
710 | /* This relies on tricks in perl.h to pick up that these manifest constants |
711 | * are undefined and set up conversion routines. It will then redefine | |
712 | * these manifest constants, so the actual values will match config.h | |
713 | */ | |
714 | #undef HAS_HTONS | |
715 | #undef HAS_NTOHS | |
716 | #undef HAS_HTONL | |
717 | #undef HAS_NTOHL | |
a0d0e21e LW |
718 | #endif |
719 | ||
3b7650f4 CB |
720 | /* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */ |
721 | #if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000 | |
722 | # undef fileno | |
723 | #endif | |
724 | ||
a0d0e21e | 725 | #endif /* __vmsish_h_included */ |