3 * VMS-specific C header file for perl5.
5 * Last revised: 18-Feb-1997 by Charles Bailey bailey@genetics.upenn.edu
9 #ifndef __vmsish_h_included
10 #define __vmsish_h_included
12 #include <descrip.h> /* for dirent struct definitions */
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 */
16 #include <stsdef.h> /* bitmasks for exit status testing */
18 /* Suppress compiler warnings from DECC for VMS-specific extensions:
19 * GLOBALEXT, NOSHAREEXT, READONLYEXT: global[dr]ef declarations
20 * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values
21 * (e.g. pointer fields of descriptors)
24 # pragma message disable (GLOBALEXT,NOSHAREEXT,READONLYEXT,ADDRCONSTEXT,NEEDCONSTEXT)
27 /* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */
31 #define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040)
35 #define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040)
36 /* DECC 1.3 has a funny definition of abs; it's fixed in DECC 4.0, so this
37 * can go away once DECC 1.3 isn't in use any more. */
38 #if defined(__ALPHA) && defined(__DECC)
40 #define abs(__x) __ABS(__x)
42 #define labs(__x) __LABS(__x)
43 #endif /* __ALPHA && __DECC */
45 /* Assorted things to look like Unix */
47 #ifndef _IOLBF /* gcc's stdio.h doesn't define this */
51 #include <processes.h> /* for vfork() */
54 #include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */
55 #if defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000
56 # include <unistd.h> /* DECC has this; VAXC and gcc don't */
59 #ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */
60 # define DONT_MASK_RTL_CALLS
63 /* defined for vms.c so we can see CRTL | defined for a2p */
64 #ifndef DONT_MASK_RTL_CALLS
68 # define getenv(v) my_getenv(v) /* getenv used for regular logical names */
71 /* DECC introduces this routine in the RTL as of VMS 7.0; for now,
72 * we'll use ours, since it gives us the full VMS exit status. */
76 # define Pid_t unsigned int
78 #define waitpid my_waitpid
80 /* Our own contribution to PerlShr's global symbols . . . */
82 # define my_trnlnm Perl_my_trnlnm
83 # define my_getenv Perl_my_getenv
84 # define prime_env_iter Perl_prime_env_iter
85 # define my_setenv Perl_my_setenv
86 # define my_crypt Perl_my_crypt
87 # define my_waitpid Perl_my_waitpid
88 # define my_gconvert Perl_my_gconvert
89 # define do_rmdir Perl_do_rmdir
90 # define kill_file Perl_kill_file
91 # define my_mkdir Perl_my_mkdir
92 # define my_utime Perl_my_utime
93 # define rmsexpand Perl_rmsexpand
94 # define rmsexpand_ts Perl_rmsexpand_ts
95 # define fileify_dirspec Perl_fileify_dirspec
96 # define fileify_dirspec_ts Perl_fileify_dirspec_ts
97 # define pathify_dirspec Perl_pathify_dirspec
98 # define pathify_dirspec_ts Perl_pathify_dirspec_ts
99 # define tounixspec Perl_tounixspec
100 # define tounixspec_ts Perl_tounixspec_ts
101 # define tovmsspec Perl_tovmsspec
102 # define tovmsspec_ts Perl_tovmsspec_ts
103 # define tounixpath Perl_tounixpath
104 # define tounixpath_ts Perl_tounixpath_ts
105 # define tovmspath Perl_tovmspath
106 # define tovmspath_ts Perl_tovmspath_ts
107 # define vms_image_init Perl_vms_image_init
108 # define opendir Perl_opendir
109 # define readdir Perl_readdir
110 # define telldir Perl_telldir
111 # define seekdir Perl_seekdir
112 # define closedir Perl_closedir
113 # define vmsreaddirversions Perl_vmsreaddirversions
114 #if __VMS_VER < 70000000 || __DECC_VER < 50200000
115 # define my_gmtime Perl_my_gmtime
116 # define my_localtime Perl_my_localtime
117 # define my_time Perl_my_time
118 # define my_sigemptyset Perl_my_sigemptyset
119 # define my_sigfillset Perl_my_sigfillset
120 # define my_sigaddset Perl_my_sigaddset
121 # define my_sigdelset Perl_my_sigdelset
122 # define my_sigismember Perl_my_sigismember
123 # define my_sigprocmask Perl_my_sigprocmask
125 # define cando_by_name Perl_cando_by_name
126 # define flex_fstat Perl_flex_fstat
127 # define flex_stat Perl_flex_stat
128 # define trim_unixpath Perl_trim_unixpath
129 # define my_vfork Perl_my_vfork
130 # define vms_do_aexec Perl_vms_do_aexec
131 # define vms_do_exec Perl_vms_do_exec
132 # define do_aspawn Perl_do_aspawn
133 # define do_spawn Perl_do_spawn
134 # define my_fwrite Perl_my_fwrite
135 # define my_flush Perl_my_flush
136 # define my_binmode Perl_my_binmode
137 # define my_getpwnam Perl_my_getpwnam
138 # define my_getpwuid Perl_my_getpwuid
139 # define my_getpwent Perl_my_getpwent
140 # define my_endpwent Perl_my_endpwent
141 # define my_getlogin Perl_my_getlogin
142 # define rmscopy Perl_rmscopy
143 # define init_os_extras Perl_init_os_extras
146 /* Delete if at all possible, changing protections if necessary. */
147 #define unlink kill_file
150 * Intercept calls to fork, so we know whether subsequent calls to
151 * exec should be handled in VMSish or Unixish style.
153 #define fork my_vfork
154 #ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */
158 # define vfork my_vfork
162 * This symbol is defined if Time_t is an unsigned type on this system.
167 * This symbol is defined if this system has a stat structure declaring
170 #define USE_STAT_RDEV /**/
173 * This symbol, if defined, indicates that error messages should be
174 * should be generated in a format that allows the use of the Acme
175 * GUI/editor's autofind feature.
177 #undef ACME_MESS /**/
179 /* ALTERNATE_SHEBANG:
180 * This symbol, if defined, contains a "magic" string which may be used
181 * as the first line of a Perl program designed to be executed directly
182 * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG
183 * begins with a character other then #, then Perl will only treat
184 * it as a command line if if finds the string "perl" in the first
185 * word; otherwise it's treated as the first line of code in the script.
186 * (IOW, Perl won't hand off to another interpreter via an alternate
187 * shebang sequence that might be legal Perl code.)
189 #define ALTERNATE_SHEBANG "$"
191 /* Macros to set errno using the VAX thread-safe calls, if present */
192 #if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA)
193 # define set_errno(v) (cma$tis_errno_set_value(v))
194 void cma$tis_errno_set_value(int __value); /* missing in some errno.h */
195 # define set_vaxc_errno(v) (vaxc$errno = (v))
197 # define set_errno(v) (errno = (v))
198 # define set_vaxc_errno(v) (vaxc$errno = (v))
201 /* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */
203 #define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */
205 #define HINT_V_VMSISH 24
206 #define HINT_M_VMSISH_STATUS 0x01000000 /* system, $? return VMS status */
207 #define HINT_M_VMSISH_EXIT 0x02000000 /* exit(1) ==> SS$_NORMAL */
208 #define HINT_M_VMSISH_TIME 0x04000000 /* times are local, not UTC */
209 #define NATIVE_HINTS (hints >> HINT_V_VMSISH) /* used in op.c */
211 #define TEST_VMSISH(h) (curcop->op_private & ((h) >> HINT_V_VMSISH))
212 #define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS)
213 #define VMSISH_EXIT TEST_VMSISH(HINT_M_VMSISH_EXIT)
214 #define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME)
216 /* Handy way to vet calls to VMS system services and RTL routines. */
217 #define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \
218 if (!((__ckvms_sts=(call))&1)) { \
219 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
220 croak("Fatal VMS error (status=%d) at %s, line %d", \
221 __ckvms_sts,__FILE__,__LINE__); } } STMT_END
223 /* Same thing, but don't call back to Perl's croak(); useful for errors
224 * occurring during startup, before Perl's state is initialized */
225 #define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \
226 if (!((__ckvms_sts=(call))&1)) { \
227 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
228 fprintf(Perl_debug_log,"Fatal VMS error (status=%d) at %s, line %d", \
229 __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END
231 #ifdef VMS_DO_SOCKETS
232 #include "sockadapt.h"
235 #define BIT_BUCKET "_NLA0:"
236 #define PERL_SYS_INIT(c,v) vms_image_init((c),(v))
237 #define PERL_SYS_TERM()
243 * This symbol, if defined, indicates that the program is running under
244 * VMS. It's a symbol automagically defined by all VMS C compilers I've seen.
245 * Just in case, however . . . */
251 * This symbol, if defined, indicates that the ioctl() routine is
252 * available to set I/O characteristics
254 #undef HAS_IOCTL /**/
257 * This symbol, if defined, indicates that the routine utime() is
258 * available to update the access and modification times of files.
260 #define HAS_UTIME /**/
263 * This symbol, if defined, indicates that the getgrnam(),
264 * getgrgid(), and getgrent() routines are available to
267 #undef HAS_GROUP /**/
270 * This symbol, if defined, indicates that the getpwnam(),
271 * getpwuid(), and getpwent() routines are available to
272 * get password entries.
274 #define HAS_PASSWD /**/
280 * This symbol, if defined, indicates that the program should
281 * use the routine my_binmode(FILE *fp, char iotype) to insure
282 * that a file is in "binary" mode -- that is, that no translation
283 * of bytes occurs on read or write operations.
288 * fwrite1() should be a routine with the same calling sequence as fwrite(),
289 * but which outputs all of the bytes requested as a single stream (unlike
290 * fwrite() itself, which on some systems outputs several distinct records
291 * if the number_of_items parameter is >1).
293 #define fwrite1 my_fwrite
295 /* By default, flush data all the way to disk, not just to RMS buffers */
296 #define Fflush(fp) my_flush(fp)
298 /* Use our own rmdir() */
299 #define rmdir(name) do_rmdir(name)
301 /* Assorted fiddling with sigs . . . */
303 #define ABORT() abort()
304 /* VAXC's signal.h doesn't #define SIG_ERR, but provides BADSIG instead. */
305 #if !defined(SIG_ERR) && defined(BADSIG)
306 # define SIG_ERR BADSIG
310 /* Used with our my_utime() routine in vms.c */
315 #define utime my_utime
317 /* This is what times() returns, but <times.h> calls it tbuffer_t on VMS
318 * prior to v7.0. We check the DECC manifest to see whether it's already
319 * done this for us, relying on the fact that perl.h #includes <time.h>
320 * before it #includes "vmsish.h".
325 clock_t tms_utime; /* user time */
326 clock_t tms_stime; /* system time - always 0 on VMS */
327 clock_t tms_cutime; /* user time, children */
328 clock_t tms_cstime; /* system time, children - always 0 on VMS */
331 /* The new headers change the times() prototype to tms from tbuffer */
332 # define tbuffer_t struct tms
335 /* Prior to VMS 7.0, the CRTL gmtime() routine was a stub which always
336 * returned NULL. Substitute our own routine, which uses the logical
337 * SYS$TIMEZONE_DIFFERENTIAL, whcih the native UTC support routines
338 * in VMS 6.0 or later use. We also add shims for time() and localtime()
339 * so we can run on UTC by default.
341 #if __VMS_VER < 70000000 || __DECC_VER < 50200000
342 #define gmtime(t) my_gmtime(t)
343 #define localtime(t) my_localtime(t)
344 #define time(t) my_time(t)
345 #define sigemptyset(t) my_sigemptyset(t)
346 #define sigfillset(t) my_sigfillset(t)
347 #define sigaddset(t, u) my_sigaddset(t, u)
348 #define sigdelset(t, u) my_sigdelset(t, u)
349 #define sigismember(t, u) my_sigismember(t, u)
350 #define sigprocmask(t, u, v) my_sigprocmask(t, u, v)
351 typedef int sigset_t;
352 /* The tools for sigprocmask() are there, just not the routine itself */
354 # define SIG_UNBLOCK 1
360 # define SIG_SETMASK 3
362 # define sigaction sigvec
363 # define sa_flags sv_onstack
364 # define sa_handler sv_handler
365 # define sa_mask sv_mask
366 # define sigsuspend(set) sigpause(*set)
367 # define sigpending(a) (not_here("sigpending"),0)
370 /* VMS doesn't use a real sys_nerr, but we need this when scanning for error
371 * messages in text strings . . .
374 #define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */
376 /* Look up new %ENV values on the fly */
377 #define DYNAMIC_ENV_FETCH 1
378 #define ENV_HV_NAME "%EnV%VmS%"
379 /* Special getenv function for retrieving %ENV elements. */
380 #define ENV_getenv(v) my_getenv(v)
383 /* Thin jacket around cuserid() tomatch Unix' calling sequence */
384 #define getlogin my_getlogin
386 /* Ditto for sys$hash_passwrod() . . . */
387 #define crypt my_crypt
389 /* Tweak arg to mkdir first, so we can tolerate trailing /. */
390 #define Mkdir(dir,mode) my_mkdir((dir),(mode))
392 /* Use our own stat() clones, which handle Unix-style directory names */
393 #define Stat(name,bufptr) flex_stat(name,bufptr)
394 #define Fstat(fd,bufptr) flex_fstat(fd,bufptr)
396 /* Setup for the dirent routines:
397 * opendir(), closedir(), readdir(), seekdir(), telldir(), and
398 * vmsreaddirversions(), and preprocessor stuff on which these depend:
399 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
401 /* Data structure returned by READDIR(). */
403 char d_name[256]; /* File name */
404 int d_namlen; /* Length of d_name */
405 int vms_verscount; /* Number of versions */
406 int vms_versions[20]; /* Version numbers */
409 /* Handle returned by opendir(), used by the other routines. You
410 * are not supposed to care what's inside this structure. */
411 typedef struct _dirdesc {
413 int vms_wantversions;
414 unsigned long int count;
417 struct dsc$descriptor_s pat;
420 #define rewinddir(dirp) seekdir((dirp), 0)
422 /* used for our emulation of getpw* */
424 char *pw_name; /* Username */
426 Uid_t pw_uid; /* UIC member number */
427 Gid_t pw_gid; /* UIC group number */
428 char *pw_comment; /* Default device/directory (Unix-style) */
429 char *pw_gecos; /* Owner */
430 char *pw_dir; /* Default device/directory (VMS-style) */
431 char *pw_shell; /* Default CLI name (eg. DCL) */
433 #define pw_unixdir pw_comment /* Default device/directory (Unix-style) */
434 #define getpwnam my_getpwnam
435 #define getpwuid my_getpwuid
436 #define getpwent my_getpwent
437 #define endpwent my_endpwent
438 #define setpwent my_endpwent
440 /* Our own stat_t substitute, since we play with st_dev and st_ino -
441 * we want atomic types so Unix-bound code which compares these fields
442 * for two files will work most of the time under VMS.
443 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) ==
444 * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type
445 * to map the unsigned int we want and the unsigned short[3] the CRTL
446 * returns into the same member, since gcc has different ideas than DECC
447 * and VAXC about sizing union types.
448 * N.B 2. The routine cando() in vms.c assumes that &stat.st_ino is the
451 /* First, grab the system types, so we don't clobber them later */
453 /* Since we've got to match the size of the CRTL's stat_t, we need
454 * to mimic DECC's alignment settings.
456 #if defined(__DECC) || defined(__DECCXX)
457 # pragma __member_alignment __save
458 # pragma __nomember_alignment
461 # pragma __message __save
462 # pragma __message disable (__MISALGNDSTRCT)
463 # pragma __message disable (__MISALGNDMEM)
467 char *st_devnam; /* pointer to device name */
468 unsigned st_ino; /* hack - CRTL uses unsigned short[3] for */
469 unsigned short rvn; /* FID (num,seq,rvn) */
470 unsigned short st_mode; /* file "mode" i.e. prot, dir, reg, etc. */
471 int st_nlink; /* for compatibility - not really used */
472 unsigned st_uid; /* from ACP - QIO uic field */
473 unsigned short st_gid; /* group number extracted from st_uid */
474 dev_t st_rdev; /* for compatibility - always zero */
475 off_t st_size; /* file size in bytes */
476 unsigned st_atime; /* file access time; always same as st_mtime */
477 unsigned st_mtime; /* last modification time */
478 unsigned st_ctime; /* file creation time */
479 char st_fab_rfm; /* record format */
480 char st_fab_rat; /* record attributes */
481 char st_fab_fsz; /* fixed header size */
482 unsigned st_dev; /* encoded device name */
484 typedef unsigned mydev_t;
485 typedef unsigned myino_t;
486 #ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */
491 # define dev_t mydev_t
492 # define ino_t myino_t
494 #if defined(__DECC) || defined(__DECCXX)
495 # pragma __member_alignment __restore
498 # pragma __message __restore
500 /* Cons up a 'delete' bit for testing access */
501 #define S_IDUSR (S_IWUSR | S_IXUSR)
502 #define S_IDGRP (S_IWGRP | S_IXGRP)
503 #define S_IDOTH (S_IWOTH | S_IXOTH)
505 /* Prototypes for functions unique to vms.c. Don't include replacements
506 * for routines in the mainline source files excluded by #ifndef VMS;
507 * their prototypes are already in proto.h.
509 * In order to keep Gen_ShrFls.Pl happy, functions which are to be made
510 * available to images linked to PerlShr.Exe must be declared between the
511 * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form
512 * <data type><TAB>name<WHITESPACE>_((<prototype args>));
515 #ifdef NO_PERL_TYPEDEFS
516 /* We don't have Perl typedefs available (e.g. when building a2p), so
517 we fake them here. N.B. There is *no* guarantee that the faked
518 prototypes will actually match the real routines. If you want to
519 call Perl routines, include perl.h to get the real typedefs. */
522 # define __MY_BOOL_TYPE_FAKE
526 # define __MY_I32_TYPE_FAKE
529 # define SV void /* Since we only see SV * in prototypes */
530 # define __MY_SV_TYPE_FAKE
534 void prime_env_iter _((void));
535 void init_os_extras _(());
536 /* prototype section start marker; `typedef' passes through cpp */
537 typedef char __VMS_PROTOTYPES__;
538 int my_trnlnm _((char *, char *, unsigned long int));
539 char * my_getenv _((char *));
540 char * my_crypt _((const char *, const char *));
541 Pid_t my_waitpid _((Pid_t, int *, int));
542 char * my_gconvert _((double, int, int, char *));
543 int do_rmdir _((char *));
544 int kill_file _((char *));
545 int my_mkdir _((char *, Mode_t));
546 int my_utime _((char *, struct utimbuf *));
547 char * rmsexpand _((char *, char *, char *, unsigned));
548 char * rmsexpand_ts _((char *, char *, char *, unsigned));
549 char * fileify_dirspec _((char *, char *));
550 char * fileify_dirspec_ts _((char *, char *));
551 char * pathify_dirspec _((char *, char *));
552 char * pathify_dirspec_ts _((char *, char *));
553 char * tounixspec _((char *, char *));
554 char * tounixspec_ts _((char *, char *));
555 char * tovmsspec _((char *, char *));
556 char * tovmsspec_ts _((char *, char *));
557 char * tounixpath _((char *, char *));
558 char * tounixpath_ts _((char *, char *));
559 char * tovmspath _((char *, char *));
560 char * tovmspath_ts _((char *, char *));
561 void vms_image_init _((int *, char ***));
562 DIR * opendir _((char *));
563 struct dirent * readdir _((DIR *));
564 long telldir _((DIR *));
565 void seekdir _((DIR *, long));
566 void closedir _((DIR *));
567 void vmsreaddirversions _((DIR *, int));
569 struct tm * my_gmtime _((const time_t *));
570 struct tm * my_localtime _((const time_t *));
571 time_t my_time _((time_t *));
572 #endif /* We're assuming these three come as a package */
573 /* We're just gonna assume that if we've got an antique here that we */
574 /* need the signal functions */
575 #if __VMS_VER < 70000000 || __DECC_VER < 50200000
576 int my_sigemptyset _((sigset_t *));
577 int my_sigfillset _((sigset_t *));
578 int my_sigaddset _((sigset_t *, int));
579 int my_sigdelset _((sigset_t *, int));
580 int my_sigismember _((sigset_t *, int));
581 int my_sigprocmask _((int, sigset_t *, sigset_t *));
583 I32 cando_by_name _((I32, I32, char *));
584 int flex_fstat _((int, struct mystat *));
585 int flex_stat _((char *, struct mystat *));
586 int trim_unixpath _((char *, char*, int));
588 bool vms_do_aexec _((SV *, SV **, SV **));
589 bool vms_do_exec _((char *));
590 unsigned long int do_aspawn _((SV *, SV **, SV **));
591 unsigned long int do_spawn _((char *));
592 int my_fwrite _((void *, size_t, size_t, FILE *));
593 int my_flush _((FILE *));
594 FILE * my_binmode _((FILE *, char));
595 struct passwd * my_getpwnam _((char *name));
596 struct passwd * my_getpwuid _((Uid_t uid));
597 struct passwd * my_getpwent _(());
598 void my_endpwent _(());
599 char * my_getlogin _(());
600 int rmscopy _((char *, char *, int));
601 typedef char __VMS_SEPYTOTORP__;
602 /* prototype section end marker; `typedef' passes through cpp */
604 #ifdef NO_PERL_TYPEDEFS /* We'll try not to scramble later files */
605 # ifdef __MY_BOOL_TYPE_FAKE
607 # undef __MY_BOOL_TYPE_FAKE
609 # ifdef __MY_I32_TYPE_FAKE
611 # undef __MY_I32_TYPE_FAKE
613 # ifdef __MY_SV_TYPE_FAKE
615 # undef __MY_SV_TYPE_FAKE
619 #ifndef VMS_DO_SOCKETS
620 /* This relies on tricks in perl.h to pick up that these manifest constants
621 * are undefined and set up conversion routines. It will then redefine
622 * these manifest constants, so the actual values will match config.h
630 #define TMPPATH "sys$scratch:perl-eXXXXXX"
632 #endif /* __vmsish_h_included */