1 /* vmsish.h 2 * 3 * VMS-specific C header file for perl5. 4 * 5 * Last revised: 16-Sep-1998 by Charles Bailey bailey@newman.upenn.edu 6 * Version: 5.5.2 7 */ 8 9 #ifndef __vmsish_h_included 10 #define __vmsish_h_included 11 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 */ 17 18 /* Suppress compiler warnings from DECC for VMS-specific extensions: 19 * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values 20 * (e.g. pointer fields of descriptors) 21 */ 22 #if defined(__DECC) || defined(__DECCXX) 23 # pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT) 24 #endif 25 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) 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) || defined(__DECCXX)) 38 #undef abs 39 #define abs(__x) __ABS(__x) 40 #undef labs 41 #define labs(__x) __LABS(__x) 42 #endif /* __ALPHA && __DECC */ 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 49 #endif 50 #include <processes.h> /* for vfork() */ 51 #include <unixio.h> 52 #include <unixlib.h> 53 #include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */ 54 #if (defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000) || defined(__DECCXX) 55 # include <unistd.h> /* DECC has this; gcc doesn't */ 56 #endif 57 58 #ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */ 59 # define DONT_MASK_RTL_CALLS 60 #endif 61 62 /* Note that we do, in fact, have this */ 63 #define HAS_GETENV_SV 64 #define HAS_GETENV_LEN 65 66 #ifndef DONT_MASK_RTL_CALLS 67 # ifdef getenv 68 # undef getenv 69 # endif 70 /* getenv used for regular logical names */ 71 # define getenv(v) my_getenv(v,TRUE) 72 #endif 73 #ifdef getenv_len 74 # undef getenv_len 75 #endif 76 #define getenv_len(v,l) my_getenv_len(v,l,TRUE) 77 78 /* DECC introduces this routine in the RTL as of VMS 7.0; for now, 79 * we'll use ours, since it gives us the full VMS exit status. */ 80 #define waitpid my_waitpid 81 82 /* Don't redeclare standard RTL routines in Perl's header files; 83 * VMS history or extensions makes some of the formal protoypes 84 * differ from the common Unix forms. 85 */ 86 #define DONT_DECLARE_STD 1 87 88 /* Our own contribution to PerlShr's global symbols . . . */ 89 #define my_getenv_len Perl_my_getenv_len 90 #define prime_env_iter Perl_prime_env_iter 91 #define vmssetenv Perl_vmssetenv 92 #if !defined(PERL_IMPLICIT_CONTEXT) 93 #define my_trnlnm Perl_my_trnlnm 94 #define vmstrnenv Perl_vmstrnenv 95 #define my_setenv Perl_my_setenv 96 #define my_getenv Perl_my_getenv 97 #define tounixspec Perl_tounixspec 98 #define tounixspec_ts Perl_tounixspec_ts 99 #define tovmsspec Perl_tovmsspec 100 #define tovmsspec_ts Perl_tovmsspec_ts 101 #define tounixpath Perl_tounixpath 102 #define tounixpath_ts Perl_tounixpath_ts 103 #define tovmspath Perl_tovmspath 104 #define tovmspath_ts Perl_tovmspath_ts 105 #define do_rmdir Perl_do_rmdir 106 #define fileify_dirspec Perl_fileify_dirspec 107 #define fileify_dirspec_ts Perl_fileify_dirspec_ts 108 #define pathify_dirspec Perl_pathify_dirspec 109 #define pathify_dirspec_ts Perl_pathify_dirspec_ts 110 #define trim_unixpath Perl_trim_unixpath 111 #define opendir Perl_opendir 112 #define rmscopy Perl_rmscopy 113 #else 114 #define my_trnlnm(a,b,c) Perl_my_trnlnm(aTHX_ a,b,c) 115 #define vmstrnenv(a,b,c,d,e) Perl_vmstrnenv(aTHX_ a,b,c,d,e) 116 #define my_setenv(a,b) Perl_my_setenv(aTHX_ a,b) 117 #define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b) 118 #define tounixspec(a,b) Perl_tounixspec(aTHX_ a,b) 119 #define tounixspec_ts(a,b) Perl_tounixspec_ts(aTHX_ a,b) 120 #define tovmsspec(a,b) Perl_tovmsspec(aTHX_ a,b) 121 #define tovmsspec_t(a,b) Perl_tovmsspec_ts(aTHX_ a,b) 122 #define tounixpath(a,b) Perl_tounixpath(aTHX_ a,b) 123 #define tounixpath_ts(a,b) Perl_tounixpath_ts(aTHX_ a,b) 124 #define tovmspath(a,b) Perl_tovmspath(aTHX_ a,b) 125 #define tovmspath_ts(a,b) Perl_tovmspath_ts(aTHX_ a,b) 126 #define do_rmdir(a) Perl_do_rmdir(aTHX_ a) 127 #define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b) 128 #define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b) 129 #define pathify_dirspec Perl_pathify_dirspec 130 #define pathify_dirspec_ts Perl_pathify_dirspec_ts 131 #define rmsexpand(a,b,c,d) Perl_rmsexpand(aTHX_ a,b,c,d) 132 #define rmsexpand_ts(a,b,c,d) Perl_rmsexpand_ts(aTHX_ a,b,c,d) 133 #define trim_unixpath(a,b,c) Perl_trim_unixpath(aTHX_ a,b,c) 134 #define opendir(a) Perl_opendir(aTHX_ a) 135 #define rmscopy(a,b,c) Perl_rmscopy(aTHX_ a,b,c) 136 #endif 137 #define my_crypt Perl_my_crypt 138 #define my_waitpid Perl_my_waitpid 139 #define my_gconvert Perl_my_gconvert 140 #define kill_file Perl_kill_file 141 #define my_mkdir Perl_my_mkdir 142 #define my_chdir Perl_my_chdir 143 #define my_tmpfile Perl_my_tmpfile 144 #define my_utime Perl_my_utime 145 #define vms_image_init Perl_vms_image_init 146 #define readdir Perl_readdir 147 #define telldir Perl_telldir 148 #define seekdir Perl_seekdir 149 #define closedir Perl_closedir 150 #define vmsreaddirversions Perl_vmsreaddirversions 151 #define my_gmtime Perl_my_gmtime 152 #define my_localtime Perl_my_localtime 153 #define my_time Perl_my_time 154 #define my_sigemptyset Perl_my_sigemptyset 155 #define my_sigfillset Perl_my_sigfillset 156 #define my_sigaddset Perl_my_sigaddset 157 #define my_sigdelset Perl_my_sigdelset 158 #define my_sigismember Perl_my_sigismember 159 #define my_sigprocmask Perl_my_sigprocmask 160 #define cando_by_name Perl_cando_by_name 161 #define flex_fstat Perl_flex_fstat 162 #define flex_stat Perl_flex_stat 163 #define my_vfork Perl_my_vfork 164 #define vms_do_aexec Perl_vms_do_aexec 165 #define vms_do_exec Perl_vms_do_exec 166 #define do_aspawn Perl_do_aspawn 167 #define do_spawn Perl_do_spawn 168 #define my_fdopen Perl_my_fdopen 169 #define my_fclose Perl_my_fclose 170 #define my_fwrite Perl_my_fwrite 171 #define my_flush Perl_my_flush 172 #define my_getpwnam Perl_my_getpwnam 173 #define my_getpwuid Perl_my_getpwuid 174 #define my_getpwent Perl_my_getpwent 175 #define my_endpwent Perl_my_endpwent 176 #define my_getlogin Perl_my_getlogin 177 #define init_os_extras Perl_init_os_extras 178 179 /* Delete if at all possible, changing protections if necessary. */ 180 #define unlink kill_file 181 182 /* 183 * Intercept calls to fork, so we know whether subsequent calls to 184 * exec should be handled in VMSish or Unixish style. 185 */ 186 #define fork my_vfork 187 #ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */ 188 # ifdef vfork 189 # undef vfork 190 # endif 191 # define vfork my_vfork 192 #endif 193 194 /* 195 * Toss in a shim to tmpfile which creates a plain temp file if the 196 * RMS tmp mechanism won't work (e.g. if someone is relying on ACLs 197 * from a specific directory to permit creation of files). 198 */ 199 #ifndef DONT_MASK_RTL_CALLS 200 # define tmpfile my_tmpfile 201 #endif 202 203 204 /* BIG_TIME: 205 * This symbol is defined if Time_t is an unsigned type on this system. 206 */ 207 #define BIG_TIME 208 209 /* ACME_MESS: 210 * This symbol, if defined, indicates that error messages should be 211 * should be generated in a format that allows the use of the Acme 212 * GUI/editor's autofind feature. 213 */ 214 #undef ACME_MESS /**/ 215 216 /* ALTERNATE_SHEBANG: 217 * This symbol, if defined, contains a "magic" string which may be used 218 * as the first line of a Perl program designed to be executed directly 219 * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG 220 * begins with a character other then #, then Perl will only treat 221 * it as a command line if if finds the string "perl" in the first 222 * word; otherwise it's treated as the first line of code in the script. 223 * (IOW, Perl won't hand off to another interpreter via an alternate 224 * shebang sequence that might be legal Perl code.) 225 */ 226 #define ALTERNATE_SHEBANG "$" 227 228 /* Lower case entry points for these are missing in some earlier RTLs 229 * so we borrow the defines and declares from errno.h and upcase them. 230 */ 231 #if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 50500000) 232 # define errno (*CMA$TIS_ERRNO_GET_ADDR()) 233 # define vaxc$errno (*CMA$TIS_VMSERRNO_GET_ADDR()) 234 int *CMA$TIS_ERRNO_GET_ADDR (void); /* UNIX style error code */ 235 int *CMA$TIS_VMSERRNO_GET_ADDR (void); /* VMS error (errno == EVMSERR) */ 236 #endif 237 238 /* Macros to set errno using the VAX thread-safe calls, if present */ 239 #if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA) 240 # define set_errno(v) (cma$tis_errno_set_value(v)) 241 void cma$tis_errno_set_value(int __value); /* missing in some errno.h */ 242 # define set_vaxc_errno(v) (vaxc$errno = (v)) 243 #else 244 # define set_errno(v) (errno = (v)) 245 # define set_vaxc_errno(v) (vaxc$errno = (v)) 246 #endif 247 248 /* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */ 249 250 #define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */ 251 252 #define HINT_V_VMSISH 24 253 #define HINT_M_VMSISH_HUSHED 0x20000000 /* stifle error msgs on exit */ 254 #define HINT_M_VMSISH_STATUS 0x40000000 /* system, $? return VMS status */ 255 #define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */ 256 #define NATIVE_HINTS (PL_hints >> HINT_V_VMSISH) /* used in op.c */ 257 258 #define TEST_VMSISH(h) (PL_curcop->op_private & ((h) >> HINT_V_VMSISH)) 259 #define VMSISH_HUSHED TEST_VMSISH(HINT_M_VMSISH_HUSHED) 260 #define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS) 261 #define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME) 262 263 /* Flags for vmstrnenv() */ 264 #define PERL__TRNENV_SECURE 0x01 265 266 /* Handy way to vet calls to VMS system services and RTL routines. */ 267 #define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \ 268 if (!((__ckvms_sts=(call))&1)) { \ 269 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ 270 Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \ 271 __ckvms_sts,__FILE__,__LINE__); } } STMT_END 272 273 /* Same thing, but don't call back to Perl's croak(); useful for errors 274 * occurring during startup, before Perl's state is initialized */ 275 #define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \ 276 if (!((__ckvms_sts=(call))&1)) { \ 277 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ 278 fprintf(Perl_debug_log,"Fatal VMS error (status=%d) at %s, line %d", \ 279 __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END 280 281 #ifdef VMS_DO_SOCKETS 282 #include "sockadapt.h" 283 #define PERL_SOCK_SYSREAD_IS_RECV 284 #define PERL_SOCK_SYSWRITE_IS_SEND 285 #endif 286 287 #define BIT_BUCKET "_NLA0:" 288 #define PERL_SYS_INIT(c,v) vms_image_init((c),(v)); MALLOC_INIT 289 #define PERL_SYS_TERM() OP_REFCNT_TERM; MALLOC_TERM 290 #define dXSUB_SYS 291 #define HAS_KILL 292 #define HAS_WAIT 293 294 #define PERL_FS_VER_FMT "%d_%d_%d" 295 /* Temporary; we need to add support for this to Configure.Com */ 296 #ifdef PERL_INC_VERSION_LIST 297 # undef PERL_INC_VERSION_LIST 298 #endif 299 300 /* VMS: 301 * This symbol, if defined, indicates that the program is running under 302 * VMS. It's a symbol automagically defined by all VMS C compilers I've seen. 303 * Just in case, however . . . */ 304 #ifndef VMS 305 #define VMS /**/ 306 #endif 307 308 /* HAS_IOCTL: 309 * This symbol, if defined, indicates that the ioctl() routine is 310 * available to set I/O characteristics 311 */ 312 #undef HAS_IOCTL /**/ 313 314 /* HAS_UTIME: 315 * This symbol, if defined, indicates that the routine utime() is 316 * available to update the access and modification times of files. 317 */ 318 #define HAS_UTIME /**/ 319 320 /* HAS_GROUP 321 * This symbol, if defined, indicates that the getgrnam() and 322 * getgrgid() routines are available to get group entries. 323 * The getgrent() has a separate definition, HAS_GETGRENT. 324 */ 325 #undef HAS_GROUP /**/ 326 327 /* HAS_PASSWD 328 * This symbol, if defined, indicates that the getpwnam() and 329 * getpwuid() routines are available to get password entries. 330 * The getpwent() has a separate definition, HAS_GETPWENT. 331 */ 332 #define HAS_PASSWD /**/ 333 334 #define HAS_KILL 335 #define HAS_WAIT 336 337 /* USEMYBINMODE 338 * This symbol, if defined, indicates that the program should 339 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure 340 * that a file is in "binary" mode -- that is, that no translation 341 * of bytes occurs on read or write operations. 342 */ 343 #undef USEMYBINMODE 344 345 /* Stat_t: 346 * This symbol holds the type used to declare buffers for information 347 * returned by stat(). It's usually just struct stat. It may be necessary 348 * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed 349 * information. 350 */ 351 /* VMS: 352 * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS 353 * is in effect, since Perl's thread.h embeds one of these structs in its 354 * thread data struct, and our struct mystat is a different size from the 355 * regular struct stat (cf. note above about having to pad struct to work 356 * around bug in compiler.) 357 * It's OK to pass one of these to the RTL's stat(), though, since the 358 * fields it fills are the same in each struct. 359 */ 360 #define Stat_t struct mystat 361 362 /* USE_STAT_RDEV: 363 * This symbol is defined if this system has a stat structure declaring 364 * st_rdev 365 * VMS: Field exists in POSIXish version of struct stat(), but is not used. 366 */ 367 #undef USE_STAT_RDEV /**/ 368 369 /* 370 * fwrite1() should be a routine with the same calling sequence as fwrite(), 371 * but which outputs all of the bytes requested as a single stream (unlike 372 * fwrite() itself, which on some systems outputs several distinct records 373 * if the number_of_items parameter is >1). 374 */ 375 #define fwrite1 my_fwrite 376 377 378 #ifndef DONT_MASK_RTL_CALLS 379 # define fdopen my_fdopen 380 # define fclose my_fclose 381 #endif 382 383 384 /* By default, flush data all the way to disk, not just to RMS buffers */ 385 #define Fflush(fp) my_flush(fp) 386 387 /* Use our own rmdir() */ 388 #define rmdir(name) do_rmdir(name) 389 390 /* Assorted fiddling with sigs . . . */ 391 # include <signal.h> 392 #define ABORT() abort() 393 394 /* Used with our my_utime() routine in vms.c */ 395 struct utimbuf { 396 time_t actime; 397 time_t modtime; 398 }; 399 #define utime my_utime 400 401 /* This is what times() returns, but <times.h> calls it tbuffer_t on VMS 402 * prior to v7.0. We check the DECC manifest to see whether it's already 403 * done this for us, relying on the fact that perl.h #includes <time.h> 404 * before it #includes "vmsish.h". 405 */ 406 407 #ifndef __TMS 408 struct tms { 409 clock_t tms_utime; /* user time */ 410 clock_t tms_stime; /* system time - always 0 on VMS */ 411 clock_t tms_cutime; /* user time, children */ 412 clock_t tms_cstime; /* system time, children - always 0 on VMS */ 413 }; 414 #else 415 /* The new headers change the times() prototype to tms from tbuffer */ 416 # define tbuffer_t struct tms 417 #endif 418 419 /* Substitute our own routines for gmtime(), localtime(), and time(), 420 * which allow us to implement the vmsish 'time' pragma, and work 421 * around absence of system-level UTC support on old versions of VMS. 422 */ 423 #define gmtime(t) my_gmtime(t) 424 #define localtime(t) my_localtime(t) 425 #define time(t) my_time(t) 426 427 /* If we're using an older version of VMS whose Unix signal emulation 428 * isn't very POSIXish, then roll our own. 429 */ 430 #if __VMS_VER < 70000000 || __DECC_VER < 50200000 431 # define HOMEGROWN_POSIX_SIGNALS 432 #endif 433 #ifdef HOMEGROWN_POSIX_SIGNALS 434 # define sigemptyset(t) my_sigemptyset(t) 435 # define sigfillset(t) my_sigfillset(t) 436 # define sigaddset(t, u) my_sigaddset(t, u) 437 # define sigdelset(t, u) my_sigdelset(t, u) 438 # define sigismember(t, u) my_sigismember(t, u) 439 # define sigprocmask(t, u, v) my_sigprocmask(t, u, v) 440 # ifndef _SIGSET_T 441 typedef int sigset_t; 442 # endif 443 /* The tools for sigprocmask() are there, just not the routine itself */ 444 # ifndef SIG_UNBLOCK 445 # define SIG_UNBLOCK 1 446 # endif 447 # ifndef SIG_BLOCK 448 # define SIG_BLOCK 2 449 # endif 450 # ifndef SIG_SETMASK 451 # define SIG_SETMASK 3 452 # endif 453 # define sigaction sigvec 454 # define sa_flags sv_onstack 455 # define sa_handler sv_handler 456 # define sa_mask sv_mask 457 # define sigsuspend(set) sigpause(*set) 458 # define sigpending(a) (not_here("sigpending"),0) 459 #endif 460 461 /* VMS doesn't use a real sys_nerr, but we need this when scanning for error 462 * messages in text strings . . . 463 */ 464 465 #define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */ 466 467 /* Look up new %ENV values on the fly */ 468 #define DYNAMIC_ENV_FETCH 1 469 #define ENV_HV_NAME "%EnV%VmS%" 470 /* Special getenv function for retrieving %ENV elements. */ 471 #define ENVgetenv(v) my_getenv(v,FALSE) 472 #define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE) 473 474 475 /* Thin jacket around cuserid() to match Unix' calling sequence */ 476 #define getlogin my_getlogin 477 478 /* Ditto for sys$hash_password() . . . */ 479 #define crypt my_crypt 480 481 /* Tweak arg to mkdir & chdir first, so we can tolerate trailing /. */ 482 #define Mkdir(dir,mode) my_mkdir((dir),(mode)) 483 #define Chdir(dir) my_chdir((dir)) 484 485 /* Use our own stat() clones, which handle Unix-style directory names */ 486 #define Stat(name,bufptr) flex_stat(name,bufptr) 487 #define Fstat(fd,bufptr) flex_fstat(fd,bufptr) 488 489 /* Setup for the dirent routines: 490 * opendir(), closedir(), readdir(), seekdir(), telldir(), and 491 * vmsreaddirversions(), and preprocessor stuff on which these depend: 492 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990. 493 */ 494 /* Data structure returned by READDIR(). */ 495 struct dirent { 496 char d_name[256]; /* File name */ 497 int d_namlen; /* Length of d_name */ 498 int vms_verscount; /* Number of versions */ 499 int vms_versions[20]; /* Version numbers */ 500 }; 501 502 /* Handle returned by opendir(), used by the other routines. You 503 * are not supposed to care what's inside this structure. */ 504 typedef struct _dirdesc { 505 long context; 506 int vms_wantversions; 507 unsigned long int count; 508 char *pattern; 509 struct dirent entry; 510 struct dsc$descriptor_s pat; 511 } DIR; 512 513 #define rewinddir(dirp) seekdir((dirp), 0) 514 515 /* used for our emulation of getpw* */ 516 struct passwd { 517 char *pw_name; /* Username */ 518 char *pw_passwd; 519 Uid_t pw_uid; /* UIC member number */ 520 Gid_t pw_gid; /* UIC group number */ 521 char *pw_comment; /* Default device/directory (Unix-style) */ 522 char *pw_gecos; /* Owner */ 523 char *pw_dir; /* Default device/directory (VMS-style) */ 524 char *pw_shell; /* Default CLI name (eg. DCL) */ 525 }; 526 #define pw_unixdir pw_comment /* Default device/directory (Unix-style) */ 527 #define getpwnam my_getpwnam 528 #define getpwuid my_getpwuid 529 #define getpwent my_getpwent 530 #define endpwent my_endpwent 531 #define setpwent my_endpwent 532 533 /* Our own stat_t substitute, since we play with st_dev and st_ino - 534 * we want atomic types so Unix-bound code which compares these fields 535 * for two files will work most of the time under VMS. 536 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) == 537 * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type 538 * to map the unsigned int we want and the unsigned short[3] the CRTL 539 * returns into the same member, since gcc has different ideas than DECC 540 * and VAXC about sizing union types. 541 * N.B. 2. The routine cando() in vms.c assumes that &stat.st_ino is the 542 * address of a FID. 543 */ 544 /* First, grab the system types, so we don't clobber them later */ 545 #include <stat.h> 546 /* Since we've got to match the size of the CRTL's stat_t, we need 547 * to mimic DECC's alignment settings. 548 */ 549 #if defined(__DECC) || defined(__DECCXX) 550 # pragma __member_alignment __save 551 # pragma __nomember_alignment 552 #endif 553 #if defined(__DECC) 554 # pragma __message __save 555 # pragma __message disable (__MISALGNDSTRCT) 556 # pragma __message disable (__MISALGNDMEM) 557 #endif 558 struct mystat 559 { 560 char *st_devnam; /* pointer to device name */ 561 unsigned st_ino; /* hack - CRTL uses unsigned short[3] for */ 562 unsigned short rvn; /* FID (num,seq,rvn) */ 563 unsigned short st_mode; /* file "mode" i.e. prot, dir, reg, etc. */ 564 int st_nlink; /* for compatibility - not really used */ 565 unsigned st_uid; /* from ACP - QIO uic field */ 566 unsigned short st_gid; /* group number extracted from st_uid */ 567 dev_t st_rdev; /* for compatibility - always zero */ 568 off_t st_size; /* file size in bytes */ 569 unsigned st_atime; /* file access time; always same as st_mtime */ 570 unsigned st_mtime; /* last modification time */ 571 unsigned st_ctime; /* file creation time */ 572 char st_fab_rfm; /* record format */ 573 char st_fab_rat; /* record attributes */ 574 char st_fab_fsz; /* fixed header size */ 575 unsigned st_dev; /* encoded device name */ 576 /* Pad struct out to integral number of longwords, since DECC 5.6/VAX 577 * has a bug in dealing with offsets in structs in which are embedded 578 * other structs whose size is an odd number of bytes. (An even 579 * number of bytes is enough to make it happy, but we go for natural 580 * alignment anyhow.) 581 */ 582 char st_fill1[sizeof(void *) - (3*sizeof(unsigned short) + 3*sizeof(char))%sizeof(void *)]; 583 }; 584 typedef unsigned mydev_t; 585 typedef unsigned myino_t; 586 587 /* 588 * DEC C previous to 6.0 corrupts the behavior of the /prefix 589 * qualifier with the extern prefix pragma. This provisional 590 * hack circumvents this prefix pragma problem in previous 591 * precompilers. 592 */ 593 #if defined(__VMS_VER) && __VMS_VER >= 70000000 594 # if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 60000000) 595 # pragma __extern_prefix save 596 # pragma __extern_prefix "" /* set to empty to prevent prefixing */ 597 # define geteuid decc$__unix_geteuid 598 # define getuid decc$__unix_getuid 599 # define stat(__p1,__p2) decc$__utc_stat(__p1,__p2) 600 # define fstat(__p1,__p2) decc$__utc_fstat(__p1,__p2) 601 # pragma __extern_prefix restore 602 # endif 603 #endif 604 605 #ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */ 606 # ifdef stat 607 # undef stat 608 # endif 609 # define stat mystat 610 # define dev_t mydev_t 611 # define ino_t myino_t 612 #endif 613 #if defined(__DECC) || defined(__DECCXX) 614 # pragma __member_alignment __restore 615 #endif 616 #if defined(__DECC) 617 # pragma __message __restore 618 #endif 619 /* Cons up a 'delete' bit for testing access */ 620 #define S_IDUSR (S_IWUSR | S_IXUSR) 621 #define S_IDGRP (S_IWGRP | S_IXGRP) 622 #define S_IDOTH (S_IWOTH | S_IXOTH) 623 624 625 /* Prototypes for functions unique to vms.c. Don't include replacements 626 * for routines in the mainline source files excluded by #ifndef VMS; 627 * their prototypes are already in proto.h. 628 * 629 * In order to keep Gen_ShrFls.Pl happy, functions which are to be made 630 * available to images linked to PerlShr.Exe must be declared between the 631 * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form 632 * <data type><TAB>name<WHITESPACE>(<prototype args>); 633 */ 634 635 #ifdef NO_PERL_TYPEDEFS 636 /* We don't have Perl typedefs available (e.g. when building a2p), so 637 we fake them here. N.B. There is *no* guarantee that the faked 638 prototypes will actually match the real routines. If you want to 639 call Perl routines, include perl.h to get the real typedefs. */ 640 # ifndef bool 641 # define bool int 642 # define __MY_BOOL_TYPE_FAKE 643 # endif 644 # ifndef I32 645 # define I32 int 646 # define __MY_I32_TYPE_FAKE 647 # endif 648 # ifndef SV 649 # define SV void /* Since we only see SV * in prototypes */ 650 # define __MY_SV_TYPE_FAKE 651 # endif 652 #endif 653 654 void prime_env_iter (void); 655 void init_os_extras (); 656 /* prototype section start marker; `typedef' passes through cpp */ 657 typedef char __VMS_PROTOTYPES__; 658 #if !defined(PERL_IMPLICIT_CONTEXT) 659 char * Perl_my_getenv (const char *, bool); 660 int Perl_vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int); 661 int Perl_my_trnlnm (const char *, char *, unsigned long int); 662 char * Perl_tounixspec (char *, char *); 663 char * Perl_tounixspec_ts (char *, char *); 664 char * Perl_tovmsspec (char *, char *); 665 char * Perl_tovmsspec_ts (char *, char *); 666 char * Perl_tounixpath (char *, char *); 667 char * Perl_tounixpath_ts (char *, char *); 668 char * Perl_tovmspath (char *, char *); 669 char * Perl_tovmspath_ts (char *, char *); 670 int Perl_do_rmdir (char *); 671 char * Perl_fileify_dirspec (char *, char *); 672 char * Perl_fileify_dirspec_ts (char *, char *); 673 char * Perl_pathify_dirspec (char *, char *); 674 char * Perl_pathify_dirspec_ts (char *, char *); 675 char * Perl_rmsexpand (char *, char *, char *, unsigned); 676 char * Perl_rmsexpand_ts (char *, char *, char *, unsigned); 677 int Perl_trim_unixpath (char *, char*, int); 678 DIR * Perl_opendir (char *); 679 int Perl_rmscopy (char *, char *, int); 680 #else 681 int Perl_vmstrnenv (pTHX_ const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int); 682 char * Perl_my_getenv (pTHX_ const char *, bool); 683 int Perl_my_trnlnm (pTHX_ const char *, char *, unsigned long int); 684 char * Perl_tounixspec (pTHX_ char *, char *); 685 char * Perl_tounixspec_ts (pTHX_ char *, char *); 686 char * Perl_tovmsspec (pTHX_ char *, char *); 687 char * Perl_tovmsspec_ts (pTHX_ char *, char *); 688 char * Perl_tounixpath (pTHX_ char *, char *); 689 char * Perl_tounixpath_ts (pTHX_ char *, char *); 690 char * Perl_tovmspath (pTHX_ char *, char *); 691 char * Perl_tovmspath_ts (pTHX_ char *, char *); 692 int Perl_do_rmdir (pTHX_ char *); 693 char * Perl_fileify_dirspec (pTHX_ char *, char *); 694 char * Perl_fileify_dirspec_ts (pTHX_ char *, char *); 695 char * Perl_pathify_dirspec (pTHX_ char *, char *); 696 char * Perl_pathify_dirspec_ts (pTHX_ char *, char *); 697 char * Perl_rmsexpand (pTHX_ char *, char *, char *, unsigned); 698 char * Perl_rmsexpand_ts (pTHX_ char *, char *, char *, unsigned); 699 int Perl_trim_unixpath (pTHX_ char *, char*, int); 700 DIR * Perl_opendir (pTHX_ char *); 701 int Perl_rmscopy (pTHX_ char *, char *, int); 702 #endif 703 char * my_getenv_len (const char *, unsigned long *, bool); 704 int vmssetenv (char *, char *, struct dsc$descriptor_s **); 705 void Perl_vmssetuserlnm(char *name, char *eqv); 706 char * my_crypt (const char *, const char *); 707 Pid_t my_waitpid (Pid_t, int *, int); 708 char * my_gconvert (double, int, int, char *); 709 int kill_file (char *); 710 int my_mkdir (char *, Mode_t); 711 int my_chdir (char *); 712 FILE * my_tmpfile (void); 713 int my_utime (char *, struct utimbuf *); 714 void vms_image_init (int *, char ***); 715 struct dirent * readdir (DIR *); 716 long telldir (DIR *); 717 void seekdir (DIR *, long); 718 void closedir (DIR *); 719 void vmsreaddirversions (DIR *, int); 720 struct tm * my_gmtime (const time_t *); 721 struct tm * my_localtime (const time_t *); 722 time_t my_time (time_t *); 723 #ifdef HOMEGROWN_POSIX_SIGNALS 724 int my_sigemptyset (sigset_t *); 725 int my_sigfillset (sigset_t *); 726 int my_sigaddset (sigset_t *, int); 727 int my_sigdelset (sigset_t *, int); 728 int my_sigismember (sigset_t *, int); 729 int my_sigprocmask (int, sigset_t *, sigset_t *); 730 #endif 731 I32 cando_by_name (I32, Uid_t, char *); 732 int flex_fstat (int, Stat_t *); 733 int flex_stat (const char *, Stat_t *); 734 int my_vfork (); 735 bool vms_do_aexec (SV *, SV **, SV **); 736 bool vms_do_exec (char *); 737 unsigned long int do_aspawn (void *, void **, void **); 738 unsigned long int do_spawn (char *); 739 FILE * my_fdopen (int, char *); 740 int my_fclose (FILE *); 741 int my_fwrite (void *, size_t, size_t, FILE *); 742 int my_flush (FILE *); 743 struct passwd * my_getpwnam (char *name); 744 struct passwd * my_getpwuid (Uid_t uid); 745 struct passwd * my_getpwent (); 746 void my_endpwent (); 747 char * my_getlogin (); 748 typedef char __VMS_SEPYTOTORP__; 749 /* prototype section end marker; `typedef' passes through cpp */ 750 751 #ifdef NO_PERL_TYPEDEFS /* We'll try not to scramble later files */ 752 # ifdef __MY_BOOL_TYPE_FAKE 753 # undef bool 754 # undef __MY_BOOL_TYPE_FAKE 755 # endif 756 # ifdef __MY_I32_TYPE_FAKE 757 # undef I32 758 # undef __MY_I32_TYPE_FAKE 759 # endif 760 # ifdef __MY_SV_TYPE_FAKE 761 # undef SV 762 # undef __MY_SV_TYPE_FAKE 763 # endif 764 #endif 765 766 #ifndef VMS_DO_SOCKETS 767 /* This relies on tricks in perl.h to pick up that these manifest constants 768 * are undefined and set up conversion routines. It will then redefine 769 * these manifest constants, so the actual values will match config.h 770 */ 771 #undef HAS_HTONS 772 #undef HAS_NTOHS 773 #undef HAS_HTONL 774 #undef HAS_NTOHL 775 #endif 776 777 /* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */ 778 #if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000 779 # undef fileno 780 #endif 781 782 #define NO_ENVIRON_ARRAY 783 784 #endif /* __vmsish_h_included */ 785