3 * VMS-specific C header file for perl5.
5 * revised: 16-Sep-1998 by Charles Bailey bailey@newman.upenn.edu
8 * Last revised: 01-Feb-2005 by John Malmberg (HP OpenVMS) wb8twy@qsl.net
9 * Add SYMLINK support, and updated Craig Berry's
13 #ifndef __vmsish_h_included
14 #define __vmsish_h_included
16 #include <descrip.h> /* for dirent struct definitions */
17 #include <libdef.h> /* status codes for various places */
18 #include <rmsdef.h> /* at which errno and vaxc$errno are */
19 #include <ssdef.h> /* explicitly set in the perl source code */
20 #include <stsdef.h> /* bitmasks for exit status testing */
22 /* Suppress compiler warnings from DECC for VMS-specific extensions:
23 * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values
24 * (e.g. pointer fields of descriptors)
26 #if defined(__DECC) || defined(__DECCXX)
27 # pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT)
30 /* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */
34 #define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040)
38 #define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040)
39 /* DECC 1.3 has a funny definition of abs; it's fixed in DECC 4.0, so this
40 * can go away once DECC 1.3 isn't in use any more. */
41 #if defined(__ALPHA) && (defined(__DECC) || defined(__DECCXX))
43 #define abs(__x) __ABS(__x)
45 #define labs(__x) __LABS(__x)
46 #endif /* __ALPHA && __DECC */
48 /* Assorted things to look like Unix */
50 #ifndef _IOLBF /* gcc's stdio.h doesn't define this */
54 #include <processes.h> /* for vfork() */
57 #if __CRTL_VER >= 80200000 && !defined(__VAX)
60 #include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */
61 #if (defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000) || defined(__DECCXX)
62 # include <unistd.h> /* DECC has this; gcc doesn't */
65 #ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */
66 # define DONT_MASK_RTL_CALLS
69 /* Note that we do, in fact, have this */
71 #define HAS_GETENV_LEN
73 /* All this stiff is for the x2P programs. Hopefully they'll still work */
74 #if defined(PERL_FOR_X2P)
86 #ifndef DONT_MASK_RTL_CALLS
90 /* getenv used for regular logical names */
91 # define getenv(v) Perl_my_getenv(aTHX_ v,TRUE)
96 #define getenv_len(v,l) Perl_my_getenv_len(aTHX_ v,l,TRUE)
98 /* DECC introduces this routine in the RTL as of VMS 7.0; for now,
99 * we'll use ours, since it gives us the full VMS exit status. */
100 #define waitpid my_waitpid
102 /* Don't redeclare standard RTL routines in Perl's header files;
103 * VMS history or extensions makes some of the formal protoypes
104 * differ from the common Unix forms.
106 #define DONT_DECLARE_STD 1
108 /* Our own contribution to PerlShr's global symbols . . . */
109 #define prime_env_iter Perl_prime_env_iter
110 #define vms_image_init Perl_vms_image_init
111 #define my_tmpfile Perl_my_tmpfile
112 #define vmstrnenv Perl_vmstrnenv
113 #if !defined(PERL_IMPLICIT_CONTEXT)
114 #define my_getenv_len Perl_my_getenv_len
115 #define vmssetenv Perl_vmssetenv
116 #define my_trnlnm Perl_my_trnlnm
117 #define my_setenv Perl_my_setenv
118 #define my_getenv Perl_my_getenv
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 do_rmdir Perl_do_rmdir
128 #define fileify_dirspec Perl_fileify_dirspec
129 #define fileify_dirspec_ts Perl_fileify_dirspec_ts
130 #define pathify_dirspec Perl_pathify_dirspec
131 #define pathify_dirspec_ts Perl_pathify_dirspec_ts
132 #define trim_unixpath Perl_trim_unixpath
133 #ifndef DONT_MASK_RTL_CALLS
134 #define opendir Perl_opendir
136 #define rmscopy Perl_rmscopy
137 #define my_mkdir Perl_my_mkdir
138 #define vms_do_aexec Perl_vms_do_aexec
139 #define vms_do_exec Perl_vms_do_exec
140 #define my_waitpid Perl_my_waitpid
141 #define my_crypt Perl_my_crypt
142 #define kill_file Perl_kill_file
143 #define my_utime Perl_my_utime
144 #define my_chdir Perl_my_chdir
145 #define do_aspawn Perl_do_aspawn
146 #ifndef DONT_MASK_RTL_CALLS
147 #define seekdir Perl_seekdir
149 #define my_gmtime Perl_my_gmtime
150 #define my_localtime Perl_my_localtime
151 #define my_time Perl_my_time
152 #define do_spawn Perl_do_spawn
153 #define flex_fstat Perl_flex_fstat
154 #define flex_stat Perl_flex_stat
155 #define flex_lstat Perl_flex_lstat
156 #define cando_by_name Perl_cando_by_name
157 #define my_getpwnam Perl_my_getpwnam
158 #define my_getpwuid Perl_my_getpwuid
159 #define my_flush Perl_my_flush
160 #define readdir Perl_readdir
161 #define readdir_r Perl_readdir_r
163 #define my_getenv_len(a,b,c) Perl_my_getenv_len(aTHX_ a,b,c)
164 #define vmssetenv(a,b,c) Perl_vmssetenv(aTHX_ a,b,c)
165 #define my_trnlnm(a,b,c) Perl_my_trnlnm(aTHX_ a,b,c)
166 #define my_setenv(a,b) Perl_my_setenv(aTHX_ a,b)
167 #define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b)
168 #define tounixspec(a,b) Perl_tounixspec(aTHX_ a,b)
169 #define tounixspec_ts(a,b) Perl_tounixspec_ts(aTHX_ a,b)
170 #define tovmsspec(a,b) Perl_tovmsspec(aTHX_ a,b)
171 #define tovmsspec_t(a,b) Perl_tovmsspec_ts(aTHX_ a,b)
172 #define tounixpath(a,b) Perl_tounixpath(aTHX_ a,b)
173 #define tounixpath_ts(a,b) Perl_tounixpath_ts(aTHX_ a,b)
174 #define tovmspath(a,b) Perl_tovmspath(aTHX_ a,b)
175 #define tovmspath_ts(a,b) Perl_tovmspath_ts(aTHX_ a,b)
176 #define do_rmdir(a) Perl_do_rmdir(aTHX_ a)
177 #define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b)
178 #define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b)
179 #define pathify_dirspec Perl_pathify_dirspec
180 #define pathify_dirspec_ts Perl_pathify_dirspec_ts
181 #define rmsexpand(a,b,c,d) Perl_rmsexpand(aTHX_ a,b,c,d)
182 #define rmsexpand_ts(a,b,c,d) Perl_rmsexpand_ts(aTHX_ a,b,c,d)
183 #define trim_unixpath(a,b,c) Perl_trim_unixpath(aTHX_ a,b,c)
184 #ifndef DONT_MASK_RTL_CALLS
185 #define opendir(a) Perl_opendir(aTHX_ a)
187 #define rmscopy(a,b,c) Perl_rmscopy(aTHX_ a,b,c)
188 #define my_mkdir(a,b) Perl_my_mkdir(aTHX_ a,b)
189 #define vms_do_aexec(a,b,c) Perl_vms_do_aexec(aTHX_ a,b,c)
190 #define vms_do_exec(a) Perl_vms_do_exec(aTHX_ a)
191 #define my_waitpid(a,b,c) Perl_my_waitpid(aTHX_ a,b,c)
192 #define my_crypt(a,b) Perl_my_crypt(aTHX_ a,b)
193 #define kill_file(a) Perl_kill_file(aTHX_ a)
194 #define my_utime(a,b) Perl_my_utime(aTHX_ a,b)
195 #define my_chdir(a) Perl_my_chdir(aTHX_ a)
196 #define do_aspawn(a,b,c) Perl_do_aspawn(aTHX_ a,b,c)
197 #ifndef DONT_MASK_RTL_CALLS
198 #define seekdir(a,b) Perl_seekdir(aTHX_ a,b)
200 #define my_gmtime(a) Perl_my_gmtime(aTHX_ a)
201 #define my_localtime(a) Perl_my_localtime(aTHX_ a)
202 #define my_time(a) Perl_my_time(aTHX_ a)
203 #define do_spawn(a) Perl_do_spawn(aTHX_ a)
204 #define flex_fstat(a,b) Perl_flex_fstat(aTHX_ a,b)
205 #define cando_by_name(a,b,c) Perl_cando_by_name(aTHX_ a,b,c)
206 #define flex_stat(a,b) Perl_flex_stat(aTHX_ a,b)
207 #define my_getpwnam(a) Perl_my_getpwnam(aTHX_ a)
208 #define my_getpwuid(a) Perl_my_getpwuid(aTHX_ a)
209 #define my_flush(a) Perl_my_flush(aTHX_ a)
210 #ifndef DONT_MASK_RTL_CALLS
211 #define readdir(a) Perl_readdir(aTHX_ a)
212 #define readdir_r(a,b,c) Perl_readdir_r(aTHX_ a,b,c)
215 #define my_gconvert Perl_my_gconvert
216 #ifndef DONT_MASK_RTL_CALLS
217 #define telldir Perl_telldir
218 #define closedir Perl_closedir
220 #define vmsreaddirversions Perl_vmsreaddirversions
221 #define my_sigemptyset Perl_my_sigemptyset
222 #define my_sigfillset Perl_my_sigfillset
223 #define my_sigaddset Perl_my_sigaddset
224 #define my_sigdelset Perl_my_sigdelset
225 #define my_sigismember Perl_my_sigismember
226 #define my_sigprocmask Perl_my_sigprocmask
227 #define my_vfork Perl_my_vfork
228 #define my_fdopen Perl_my_fdopen
229 #define my_fclose Perl_my_fclose
230 #define my_fwrite Perl_my_fwrite
231 #define my_getpwent() Perl_my_getpwent(aTHX)
232 #define my_endpwent() Perl_my_endpwent(aTHX)
233 #define my_getlogin Perl_my_getlogin
234 #define init_os_extras Perl_init_os_extras
235 #define vms_realpath(a, b) Perl_vms_realpath(aTHX_ a,b)
236 #define vms_case_tolerant(a) Perl_vms_case_tolerant(a)
237 #define vms_decc_feature_get_name(a) \
238 Perl_vms_decc_feature_get_name(aTHX_ a)
239 #define vms_decc_feature_get_value(a, b) \
240 Perl_vms_decc_feature_get_value(aTHX_ a, b)
241 #define vms_decc_feature_set_value(a, b, c) \
242 Perl_vms_decc_feature_set_value(aTHX_ a, b, c)
243 #define vms_decc_feature_get_index(a) \
244 Perl_vms_decc_feature_get_index(aTHX_ a)
246 /* Delete if at all possible, changing protections if necessary. */
247 #define unlink kill_file
250 * Intercept calls to fork, so we know whether subsequent calls to
251 * exec should be handled in VMSish or Unixish style.
253 #define fork my_vfork
254 #ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */
258 # define vfork my_vfork
262 * Toss in a shim to tmpfile which creates a plain temp file if the
263 * RMS tmp mechanism won't work (e.g. if someone is relying on ACLs
264 * from a specific directory to permit creation of files).
266 #ifndef DONT_MASK_RTL_CALLS
267 # define tmpfile Perl_my_tmpfile
272 * This symbol is defined if Time_t is an unsigned type on this system.
277 * This symbol, if defined, indicates that error messages should be
278 * should be generated in a format that allows the use of the Acme
279 * GUI/editor's autofind feature.
281 #undef ACME_MESS /**/
283 /* ALTERNATE_SHEBANG:
284 * This symbol, if defined, contains a "magic" string which may be used
285 * as the first line of a Perl program designed to be executed directly
286 * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG
287 * begins with a character other then #, then Perl will only treat
288 * it as a command line if if finds the string "perl" in the first
289 * word; otherwise it's treated as the first line of code in the script.
290 * (IOW, Perl won't hand off to another interpreter via an alternate
291 * shebang sequence that might be legal Perl code.)
293 #define ALTERNATE_SHEBANG "$"
295 /* Lower case entry points for these are missing in some earlier RTLs
296 * so we borrow the defines and declares from errno.h and upcase them.
298 #if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 50500000)
299 # define errno (*CMA$TIS_ERRNO_GET_ADDR())
300 # define vaxc$errno (*CMA$TIS_VMSERRNO_GET_ADDR())
301 int *CMA$TIS_ERRNO_GET_ADDR (void); /* UNIX style error code */
302 int *CMA$TIS_VMSERRNO_GET_ADDR (void); /* VMS error (errno == EVMSERR) */
305 /* Macros to set errno using the VAX thread-safe calls, if present */
306 #if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA)
307 # define set_errno(v) (cma$tis_errno_set_value(v))
308 void cma$tis_errno_set_value(int __value); /* missing in some errno.h */
309 # define set_vaxc_errno(v) (vaxc$errno = (v))
311 # define set_errno(v) (errno = (v))
312 # define set_vaxc_errno(v) (vaxc$errno = (v))
315 /* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */
317 #define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */
319 #define HINT_V_VMSISH 24
320 #define HINT_M_VMSISH_STATUS 0x40000000 /* system, $? return VMS status */
321 #define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */
322 #define NATIVE_HINTS (PL_hints >> HINT_V_VMSISH) /* used in op.c */
324 #define TEST_VMSISH(h) (PL_curcop->op_private & ((h) >> HINT_V_VMSISH))
325 #define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS)
326 #define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME)
328 /* VMS-specific data storage */
330 #define HAVE_INTERP_INTERN
331 struct interp_intern {
336 #define VMSISH_HUSHED (PL_sys_intern.hushed)
337 #define MY_INV_RAND_MAX (PL_sys_intern.inv_rand_max)
338 #define MY_POSIX_EXIT (PL_sys_intern.posix_exit)
340 /* Flags for vmstrnenv() */
341 #define PERL__TRNENV_SECURE 0x01
342 #define PERL__TRNENV_JOIN_SEARCHLIST 0x02
344 /* Handy way to vet calls to VMS system services and RTL routines. */
345 #define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \
346 if (!((__ckvms_sts=(call))&1)) { \
347 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
348 Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \
349 __ckvms_sts,__FILE__,__LINE__); } } STMT_END
351 /* Same thing, but don't call back to Perl's croak(); useful for errors
352 * occurring during startup, before Perl's state is initialized */
353 #define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \
354 if (!((__ckvms_sts=(call))&1)) { \
355 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
356 fprintf(stderr,"Fatal VMS error (status=%d) at %s, line %d", \
357 __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END
359 #ifdef VMS_DO_SOCKETS
360 #include "sockadapt.h"
361 #define PERL_SOCK_SYSREAD_IS_RECV
362 #define PERL_SOCK_SYSWRITE_IS_SEND
365 #if __CRTL_VER < 70000000
366 #define BIT_BUCKET "_NLA0:"
368 #define BIT_BUCKET "/dev/null"
370 #define PERL_SYS_INIT(c,v) MALLOC_CHECK_TAINT2(*c,*v) vms_image_init((c),(v)); MALLOC_INIT
371 #define PERL_SYS_TERM() OP_REFCNT_TERM; MALLOC_TERM
376 #define PERL_FS_VER_FMT "%d_%d_%d"
377 /* Temporary; we need to add support for this to Configure.Com */
378 #ifdef PERL_INC_VERSION_LIST
379 # undef PERL_INC_VERSION_LIST
383 * This symbol, if defined, indicates that the program is running under
384 * VMS. It's a symbol automagically defined by all VMS C compilers I've seen.
385 * Just in case, however . . . */
386 /* Note that code really should be using __VMS to comply with ANSI */
392 * This symbol, if defined, indicates that the ioctl() routine is
393 * available to set I/O characteristics
395 #if defined(__CRTL_VER) && __CRTL_VER >= 70000000
396 #define HAS_IOCTL /**/
398 #undef HAS_IOCTL /**/
402 * This symbol, if defined, indicates that the routine utime() is
403 * available to update the access and modification times of files.
405 #define HAS_UTIME /**/
408 * This symbol, if defined, indicates that the getgrnam() and
409 * getgrgid() routines are available to get group entries.
410 * The getgrent() has a separate definition, HAS_GETGRENT.
412 #undef HAS_GROUP /**/
415 * This symbol, if defined, indicates that the getpwnam() and
416 * getpwuid() routines are available to get password entries.
417 * The getpwent() has a separate definition, HAS_GETPWENT.
419 #define HAS_PASSWD /**/
425 * This symbol, if defined, indicates that the program should
426 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
427 * that a file is in "binary" mode -- that is, that no translation
428 * of bytes occurs on read or write operations.
433 * This symbol holds the type used to declare buffers for information
434 * returned by stat(). It's usually just struct stat. It may be necessary
435 * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
439 * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS
440 * is in effect, since Perl's thread.h embeds one of these structs in its
441 * thread data struct, and our struct mystat is a different size from the
442 * regular struct stat (cf. note above about having to pad struct to work
443 * around bug in compiler.)
444 * It's OK to pass one of these to the RTL's stat(), though, since the
445 * fields it fills are the same in each struct.
447 #define Stat_t struct mystat
450 * This symbol is defined if this system has a stat structure declaring
452 * VMS: Field exists in POSIXish version of struct stat(), but is not used.
454 * No definition of what value an operating system or file system should
455 * put in the st_rdev field has been found by me so far. Examination of
456 * LINUX source code indicates that the value is both very platform and
457 * file system specific, with many filesystems just putting 1 or 0 in it.
460 #undef USE_STAT_RDEV /**/
463 * fwrite1() should be a routine with the same calling sequence as fwrite(),
464 * but which outputs all of the bytes requested as a single stream (unlike
465 * fwrite() itself, which on some systems outputs several distinct records
466 * if the number_of_items parameter is >1).
468 #define fwrite1 my_fwrite
471 #ifndef DONT_MASK_RTL_CALLS
472 # define fwrite my_fwrite /* for PerlSIO_fwrite */
473 # define fdopen my_fdopen
474 # define fclose my_fclose
478 /* By default, flush data all the way to disk, not just to RMS buffers */
479 #define Fflush(fp) my_flush(fp)
481 /* Use our own rmdir() */
482 #ifndef DONT_MASK_RTL_CALLS
483 #define rmdir(name) do_rmdir(name)
486 /* Assorted fiddling with sigs . . . */
488 #define ABORT() abort()
490 /* Used with our my_utime() routine in vms.c */
495 #define utime my_utime
497 /* This is what times() returns, but <times.h> calls it tbuffer_t on VMS
498 * prior to v7.0. We check the DECC manifest to see whether it's already
499 * done this for us, relying on the fact that perl.h #includes <time.h>
500 * before it #includes "vmsish.h".
505 clock_t tms_utime; /* user time */
506 clock_t tms_stime; /* system time - always 0 on VMS */
507 clock_t tms_cutime; /* user time, children */
508 clock_t tms_cstime; /* system time, children - always 0 on VMS */
511 /* The new headers change the times() prototype to tms from tbuffer */
512 # define tbuffer_t struct tms
515 /* Substitute our own routines for gmtime(), localtime(), and time(),
516 * which allow us to implement the vmsish 'time' pragma, and work
517 * around absence of system-level UTC support on old versions of VMS.
519 #define gmtime(t) my_gmtime(t)
520 #define localtime(t) my_localtime(t)
521 #define time(t) my_time(t)
523 /* If we're using an older version of VMS whose Unix signal emulation
524 * isn't very POSIXish, then roll our own.
526 #if __VMS_VER < 70000000 || __DECC_VER < 50200000
527 # define HOMEGROWN_POSIX_SIGNALS
529 #ifdef HOMEGROWN_POSIX_SIGNALS
530 # define sigemptyset(t) my_sigemptyset(t)
531 # define sigfillset(t) my_sigfillset(t)
532 # define sigaddset(t, u) my_sigaddset(t, u)
533 # define sigdelset(t, u) my_sigdelset(t, u)
534 # define sigismember(t, u) my_sigismember(t, u)
535 # define sigprocmask(t, u, v) my_sigprocmask(t, u, v)
537 typedef int sigset_t;
539 /* The tools for sigprocmask() are there, just not the routine itself */
541 # define SIG_UNBLOCK 1
547 # define SIG_SETMASK 3
549 # define sigaction sigvec
550 # define sa_flags sv_onstack
551 # define sa_handler sv_handler
552 # define sa_mask sv_mask
553 # define sigsuspend(set) sigpause(*set)
554 # define sigpending(a) (not_here("sigpending"),0)
557 * The C RTL's sigaction fails to check for invalid signal numbers so we
560 # ifndef DONT_MASK_RTL_CALLS
561 # define sigaction(a,b,c) Perl_my_sigaction(aTHX_ a,b,c)
564 #ifdef KILL_BY_SIGPRC
565 # define kill Perl_my_kill
569 /* VMS doesn't use a real sys_nerr, but we need this when scanning for error
570 * messages in text strings . . .
573 #define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */
575 /* Look up new %ENV values on the fly */
576 #define DYNAMIC_ENV_FETCH 1
577 /* Special getenv function for retrieving %ENV elements. */
578 #define ENVgetenv(v) my_getenv(v,FALSE)
579 #define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE)
582 /* Thin jacket around cuserid() to match Unix' calling sequence */
583 #define getlogin my_getlogin
585 /* Ditto for sys$hash_password() . . . */
586 #define crypt(a,b) Perl_my_crypt(aTHX_ a,b)
588 /* Tweak arg to mkdir & chdir first, so we can tolerate trailing /. */
589 #define Mkdir(dir,mode) Perl_my_mkdir(aTHX_ (dir),(mode))
590 #define Chdir(dir) my_chdir((dir))
592 /* Use our own stat() clones, which handle Unix-style directory names */
593 #define Stat(name,bufptr) flex_stat(name,bufptr)
594 #define Fstat(fd,bufptr) Perl_flex_fstat(aTHX_ fd,bufptr)
595 #ifndef DONT_MASK_RTL_CALLS
596 #define lstat(name, bufptr) Perl_flex_lstat(name, bufptr)
599 /* Setup for the dirent routines:
600 * opendir(), closedir(), readdir(), seekdir(), telldir(), and
601 * vmsreaddirversions(), and preprocessor stuff on which these depend:
602 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
604 * Feb 2005 - POSIX filespecs need real opendir() structures.
605 * rename to remove conflicts. J. Malmberg (HP OpenVMS)
608 /* Data structure returned by READDIR(). */
610 char d_name[256]; /* File name */
611 # if defined _XOPEN_SOURCE || !defined _POSIX_C_SOURCE
614 __ino_t d_ino[3]; /* file serial number (vms-style inode) */
619 int d_namlen; /* Length of d_name */
620 int vms_verscount; /* Number of versions */
621 int vms_versions[20]; /* Version numbers */
624 /* Handle returned by opendir(), used by the other routines. You
625 * are not supposed to care what's inside this structure. */
626 typedef struct my_dirdesc {
627 #if __CRTL_VER >= 80200000 && !defined(__VAX)
632 int vms_wantversions;
633 unsigned long int count;
635 struct my_dirent entry;
636 struct dsc$descriptor_s pat;
641 #ifndef DONT_MASK_RTL_CALLS
643 #define dirent my_dirent
644 #define rewinddir(dirp) seekdir((dirp), 0)
647 /* used for our emulation of getpw* */
649 char *pw_name; /* Username */
651 Uid_t pw_uid; /* UIC member number */
652 Gid_t pw_gid; /* UIC group number */
653 char *pw_comment; /* Default device/directory (Unix-style) */
654 char *pw_gecos; /* Owner */
655 char *pw_dir; /* Default device/directory (VMS-style) */
656 char *pw_shell; /* Default CLI name (eg. DCL) */
658 #define pw_unixdir pw_comment /* Default device/directory (Unix-style) */
659 #define getpwnam my_getpwnam
660 #define getpwuid my_getpwuid
661 #define getpwent my_getpwent
662 #define endpwent my_endpwent
663 #define setpwent my_endpwent
665 /* Our own stat_t substitute, since we play with st_dev and st_ino -
666 * we want atomic types so Unix-bound code which compares these fields
667 * for two files will work most of the time under VMS.
668 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) ==
669 * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type
670 * to map the unsigned int we want and the unsigned short[3] the CRTL
671 * returns into the same member, since gcc has different ideas than DECC
672 * and VAXC about sizing union types.
673 * N.B. 2. The routine cando() in vms.c assumes that &stat.st_ino is the
676 /* First, grab the system types, so we don't clobber them later */
678 /* Since we've got to match the size of the CRTL's stat_t, we need
679 * to mimic DECC's alignment settings.
681 * The simplest thing is to just put a wrapper around the stat structure
682 * supplied by the CRTL and use #defines to redirect references to the
683 * members to the real names.
686 #if defined(__DECC) || defined(__DECCXX)
687 # pragma __member_alignment __save
688 # pragma member_alignment
691 typedef unsigned mydev_t;
693 typedef unsigned myino_t;
695 typedef __ino64_t myino_t;
700 struct stat crtl_stat;
703 unsigned rvn; /* FID (num,seq,rvn) + pad */
706 char st_devnam[256]; /* Cache the (short) VMS name */
709 #define st_mode crtl_stat.st_mode
710 #define st_nlink crtl_stat.st_nlink
711 #define st_uid crtl_stat.st_uid
712 #define st_gid crtl_stat.st_gid
713 #define st_rdev crtl_stat.st_rdev
714 #define st_size crtl_stat.st_size
715 #define st_atime crtl_stat.st_atime
716 #define st_mtime crtl_stat.st_mtime
717 #define st_ctime crtl_stat.st_ctime
718 #define st_fab_rfm crtl_stat.st_fab_rfm
719 #define st_fab_rat crtl_stat.st_fab_rat
720 #define st_fab_fsz crtl_stat.st_fab_fsz
721 #define st_fab_mrs crtl_stat_st_fab_mrs
723 #endif /* defined(USE_LARGE_FILES) */
725 #if defined(__DECC) || defined(__DECCXX)
726 # pragma __member_alignment __restore
730 * DEC C previous to 6.0 corrupts the behavior of the /prefix
731 * qualifier with the extern prefix pragma. This provisional
732 * hack circumvents this prefix pragma problem in previous
735 #if defined(__VMS_VER) && __VMS_VER >= 70000000
736 # if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 60000000)
737 # pragma __extern_prefix save
738 # pragma __extern_prefix "" /* set to empty to prevent prefixing */
739 # define geteuid decc$__unix_geteuid
740 # define getuid decc$__unix_getuid
741 # define stat(__p1,__p2) decc$__utc_stat(__p1,__p2)
742 # define fstat(__p1,__p2) decc$__utc_fstat(__p1,__p2)
743 # pragma __extern_prefix restore
747 #ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */
752 # define dev_t mydev_t
753 # define ino_t myino_t
755 /* Cons up a 'delete' bit for testing access */
756 #define S_IDUSR (S_IWUSR | S_IXUSR)
757 #define S_IDGRP (S_IWGRP | S_IXGRP)
758 #define S_IDOTH (S_IWOTH | S_IXOTH)
761 /* Prototypes for functions unique to vms.c. Don't include replacements
762 * for routines in the mainline source files excluded by #ifndef VMS;
763 * their prototypes are already in proto.h.
765 * In order to keep Gen_ShrFls.Pl happy, functions which are to be made
766 * available to images linked to PerlShr.Exe must be declared between the
767 * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form
768 * <data type><TAB>name<WHITESPACE>(<prototype args>);
771 #ifdef NO_PERL_TYPEDEFS
772 /* We don't have Perl typedefs available (e.g. when building a2p), so
773 we fake them here. N.B. There is *no* guarantee that the faked
774 prototypes will actually match the real routines. If you want to
775 call Perl routines, include perl.h to get the real typedefs. */
778 # define __MY_BOOL_TYPE_FAKE
782 # define __MY_I32_TYPE_FAKE
785 # define SV void /* Since we only see SV * in prototypes */
786 # define __MY_SV_TYPE_FAKE
790 void prime_env_iter (void);
791 void init_os_extras (void);
792 int Perl_vms_status_to_unix(int vms_status, int child_flag);
793 int Perl_unix_status_to_vms(int unix_status);
794 /* prototype section start marker; `typedef' passes through cpp */
795 typedef char __VMS_PROTOTYPES__;
796 int Perl_vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int);
797 char * Perl_vms_realpath (const char *, char *);
798 #if !defined(PERL_IMPLICIT_CONTEXT)
799 int Perl_vms_case_tolerant(void);
800 char * Perl_my_getenv (const char *, bool);
801 int Perl_my_trnlnm (const char *, char *, unsigned long int);
802 char * Perl_tounixspec (const char *, char *);
803 char * Perl_tounixspec_ts (const char *, char *);
804 char * Perl_tovmsspec (const char *, char *);
805 char * Perl_tovmsspec_ts (const char *, char *);
806 char * Perl_tounixpath (const char *, char *);
807 char * Perl_tounixpath_ts (const char *, char *);
808 char * Perl_tovmspath (const char *, char *);
809 char * Perl_tovmspath_ts (const char *, char *);
810 int Perl_do_rmdir (const char *);
811 char * Perl_fileify_dirspec (const char *, char *);
812 char * Perl_fileify_dirspec_ts (const char *, char *);
813 char * Perl_pathify_dirspec (const char *, char *);
814 char * Perl_pathify_dirspec_ts (const char *, char *);
815 char * Perl_rmsexpand (const char *, char *, const char *, unsigned);
816 char * Perl_rmsexpand_ts (const char *, char *, const char *, unsigned);
817 int Perl_trim_unixpath (char *, const char*, int);
818 MY_DIR * Perl_opendir (const char *);
819 int Perl_rmscopy (const char *, const char *, int);
820 int Perl_my_mkdir (const char *, Mode_t);
821 bool Perl_vms_do_aexec (SV *, SV **, SV **);
823 char * Perl_my_getenv (pTHX_ const char *, bool);
824 int Perl_my_trnlnm (pTHX_ const char *, char *, unsigned long int);
825 char * Perl_tounixspec (pTHX_ const char *, char *);
826 char * Perl_tounixspec_ts (pTHX_ const char *, char *);
827 char * Perl_tovmsspec (pTHX_ const char *, char *);
828 char * Perl_tovmsspec_ts (pTHX_ const char *, char *);
829 char * Perl_tounixpath (pTHX_ const char *, char *);
830 char * Perl_tounixpath_ts (pTHX_ const char *, char *);
831 char * Perl_tovmspath (pTHX_ const char *, char *);
832 char * Perl_tovmspath_ts (pTHX_ const char *, char *);
833 int Perl_do_rmdir (pTHX_ const char *);
834 char * Perl_fileify_dirspec (pTHX_ const char *, char *);
835 char * Perl_fileify_dirspec_ts (pTHX_ const char *, char *);
836 char * Perl_pathify_dirspec (pTHX_ const char *, char *);
837 char * Perl_pathify_dirspec_ts (pTHX_ const char *, char *);
838 char * Perl_rmsexpand (pTHX_ const char *, char *, const char *, unsigned);
839 char * Perl_rmsexpand_ts (pTHX_ const char *, char *, const char *, unsigned);
840 int Perl_trim_unixpath (pTHX_ char *, const char*, int);
841 MY_DIR * Perl_opendir (pTHX_ const char *);
842 int Perl_rmscopy (pTHX_ const char *, const char *, int);
843 int Perl_my_mkdir (pTHX_ const char *, Mode_t);
844 bool Perl_vms_do_aexec (pTHX_ SV *, SV **, SV **);
845 char * Perl_vms_realpath (pTHX_ const char *, char *);
846 char * Perl_vms_decc_feature_get_name(pTHX_ int a);
847 int Perl_vms_decc_feature_get_value(pTHX_ int, int);
848 int Perl_vms_decc_feature_set_value(pTHX_ int, int, int)
849 int Perl_vms_decc_feature_get_index(aTHX_ const char *)
851 int Perl_vms_case_tolerant(void);
852 char * Perl_my_getenv_len (pTHX_ const char *, unsigned long *, bool);
853 int Perl_vmssetenv (pTHX_ const char *, const char *, struct dsc$descriptor_s **);
854 void Perl_vmssetuserlnm(pTHX_ const char *name, const char *eqv);
855 char * Perl_my_crypt (pTHX_ const char *, const char *);
856 Pid_t Perl_my_waitpid (pTHX_ Pid_t, int *, int);
857 char * my_gconvert (double, int, int, char *);
858 int Perl_kill_file (pTHX_ const char *);
859 int Perl_my_chdir (pTHX_ const char *);
860 FILE * Perl_my_tmpfile (void);
861 #ifndef HOMEGROWN_POSIX_SIGNALS
862 int Perl_my_sigaction (pTHX_ int, const struct sigaction*, struct sigaction*);
864 #ifdef KILL_BY_SIGPRC
865 unsigned int Perl_sig_to_vmscondition (int);
866 int Perl_my_kill (int, int);
867 void Perl_csighandler_init (void);
869 int Perl_my_utime (pTHX_ const char *, const struct utimbuf *);
870 void Perl_vms_image_init (int *, char ***);
871 struct my_dirent * Perl_readdir (pTHX_ MY_DIR *);
872 int Perl_readdir_r(pTHX_ MY_DIR *, struct my_dirent *, struct my_dirent **);
873 long Perl_telldir (MY_DIR *);
874 void Perl_seekdir (pTHX_ MY_DIR *, long);
875 void Perl_closedir (MY_DIR *);
876 void vmsreaddirversions (MY_DIR *, int);
877 struct tm * Perl_my_gmtime (pTHX_ const time_t *);
878 struct tm * Perl_my_localtime (pTHX_ const time_t *);
879 time_t Perl_my_time (pTHX_ time_t *);
880 #ifdef HOMEGROWN_POSIX_SIGNALS
881 int my_sigemptyset (sigset_t *);
882 int my_sigfillset (sigset_t *);
883 int my_sigaddset (sigset_t *, int);
884 int my_sigdelset (sigset_t *, int);
885 int my_sigismember (sigset_t *, int);
886 int my_sigprocmask (int, sigset_t *, sigset_t *);
888 I32 Perl_cando_by_name (pTHX_ I32, Uid_t, const char *);
889 int Perl_flex_fstat (pTHX_ int, Stat_t *);
890 int Perl_flex_lstat (pTHX_ const char *, Stat_t *);
891 int Perl_flex_stat (pTHX_ const char *, Stat_t *);
893 bool Perl_vms_do_exec (pTHX_ const char *);
894 unsigned long int Perl_do_aspawn (pTHX_ void *, void **, void **);
895 unsigned long int Perl_do_spawn (pTHX_ const char *);
896 FILE * my_fdopen (int, const char *);
897 int my_fclose (FILE *);
898 int my_fwrite (const void *, size_t, size_t, FILE *);
899 int Perl_my_flush (pTHX_ FILE *);
900 struct passwd * Perl_my_getpwnam (pTHX_ const char *name);
901 struct passwd * Perl_my_getpwuid (pTHX_ Uid_t uid);
902 void Perl_my_endpwent (pTHX);
903 char * my_getlogin (void);
904 typedef char __VMS_SEPYTOTORP__;
905 /* prototype section end marker; `typedef' passes through cpp */
907 #ifdef NO_PERL_TYPEDEFS /* We'll try not to scramble later files */
908 # ifdef __MY_BOOL_TYPE_FAKE
910 # undef __MY_BOOL_TYPE_FAKE
912 # ifdef __MY_I32_TYPE_FAKE
914 # undef __MY_I32_TYPE_FAKE
916 # ifdef __MY_SV_TYPE_FAKE
918 # undef __MY_SV_TYPE_FAKE
922 #ifndef VMS_DO_SOCKETS
923 /* This relies on tricks in perl.h to pick up that these manifest constants
924 * are undefined and set up conversion routines. It will then redefine
925 * these manifest constants, so the actual values will match config.h
933 /* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */
934 #if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000
938 #define NO_ENVIRON_ARRAY
940 #endif /* __vmsish_h_included */