/* vmsish.h * * VMS-specific C header file for perl5. * * Last revised: 18-Feb-1997 by Charles Bailey bailey@genetics.upenn.edu * Version: 5.3.28 */ #ifndef __vmsish_h_included #define __vmsish_h_included #include /* for dirent struct definitions */ #include /* status codes for various places */ #include /* at which errno and vaxc$errno are */ #include /* explicitly set in the perl source code */ #include /* bitmasks for exit status testing */ /* Suppress compiler warnings from DECC for VMS-specific extensions: * GLOBALEXT, NOSHAREEXT, READONLYEXT: global[dr]ef declarations * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values * (e.g. pointer fields of descriptors) */ #ifdef __DECC # pragma message disable (GLOBALEXT,NOSHAREEXT,READONLYEXT,ADDRCONSTEXT,NEEDCONSTEXT) #endif /* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */ #ifdef _toupper # undef _toupper #endif #define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040) #ifdef _tolower # undef _tolower #endif #define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040) /* DECC 1.3 has a funny definition of abs; it's fixed in DECC 4.0, so this * can go away once DECC 1.3 isn't in use any more. */ #if defined(__ALPHA) && defined(__DECC) #undef abs #define abs(__x) __ABS(__x) #undef labs #define labs(__x) __LABS(__x) #endif /* __ALPHA && __DECC */ /* Assorted things to look like Unix */ #ifdef __GNUC__ #ifndef _IOLBF /* gcc's stdio.h doesn't define this */ #define _IOLBF 1 #endif #endif #include /* for vfork() */ #include #include #include /* it's not , so don't use I_SYS_FILE */ #if defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000 # include /* DECC has this; VAXC and gcc don't */ #endif #ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */ # define DONT_MASK_RTL_CALLS #endif /* defined for vms.c so we can see CRTL | defined for a2p */ #ifndef DONT_MASK_RTL_CALLS # ifdef getenv # undef getenv # endif # define getenv(v) my_getenv(v) /* getenv used for regular logical names */ #endif /* DECC introduces this routine in the RTL as of VMS 7.0; for now, * we'll use ours, since it gives us the full VMS exit status. */ #ifdef __PID_T # define Pid_t pid_t #else # define Pid_t unsigned int #endif #define waitpid my_waitpid /* Don't redeclare standard RTL routines in Perl's header files; * VMS history or extensions makes some of the formal protoypes * differ from the common Unix forms. */ #define DONT_DECLARE_STD 1 /* Our own contribution to PerlShr's global symbols . . . */ #ifdef EMBED # define my_trnlnm Perl_my_trnlnm # define my_getenv Perl_my_getenv # define prime_env_iter Perl_prime_env_iter # define my_setenv Perl_my_setenv # define my_crypt Perl_my_crypt # define my_waitpid Perl_my_waitpid # define my_gconvert Perl_my_gconvert # define do_rmdir Perl_do_rmdir # define kill_file Perl_kill_file # define my_mkdir Perl_my_mkdir # define my_utime Perl_my_utime # define rmsexpand Perl_rmsexpand # define rmsexpand_ts Perl_rmsexpand_ts # define fileify_dirspec Perl_fileify_dirspec # define fileify_dirspec_ts Perl_fileify_dirspec_ts # define pathify_dirspec Perl_pathify_dirspec # define pathify_dirspec_ts Perl_pathify_dirspec_ts # define tounixspec Perl_tounixspec # define tounixspec_ts Perl_tounixspec_ts # define tovmsspec Perl_tovmsspec # define tovmsspec_ts Perl_tovmsspec_ts # define tounixpath Perl_tounixpath # define tounixpath_ts Perl_tounixpath_ts # define tovmspath Perl_tovmspath # define tovmspath_ts Perl_tovmspath_ts # define vms_image_init Perl_vms_image_init # define opendir Perl_opendir # define readdir Perl_readdir # define telldir Perl_telldir # define seekdir Perl_seekdir # define closedir Perl_closedir # define vmsreaddirversions Perl_vmsreaddirversions # define my_gmtime Perl_my_gmtime # define my_localtime Perl_my_localtime # define my_time Perl_my_time # define my_sigemptyset Perl_my_sigemptyset # define my_sigfillset Perl_my_sigfillset # define my_sigaddset Perl_my_sigaddset # define my_sigdelset Perl_my_sigdelset # define my_sigismember Perl_my_sigismember # define my_sigprocmask Perl_my_sigprocmask # define cando_by_name Perl_cando_by_name # define flex_fstat Perl_flex_fstat # define flex_stat Perl_flex_stat # define trim_unixpath Perl_trim_unixpath # define my_vfork Perl_my_vfork # define vms_do_aexec Perl_vms_do_aexec # define vms_do_exec Perl_vms_do_exec # define do_aspawn Perl_do_aspawn # define do_spawn Perl_do_spawn # define my_fwrite Perl_my_fwrite # define my_flush Perl_my_flush # define my_binmode Perl_my_binmode # define my_getpwnam Perl_my_getpwnam # define my_getpwuid Perl_my_getpwuid # define my_getpwent Perl_my_getpwent # define my_endpwent Perl_my_endpwent # define my_getlogin Perl_my_getlogin # define rmscopy Perl_rmscopy # define init_os_extras Perl_init_os_extras #endif /* Delete if at all possible, changing protections if necessary. */ #define unlink kill_file /* * Intercept calls to fork, so we know whether subsequent calls to * exec should be handled in VMSish or Unixish style. */ #define fork my_vfork #ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */ # ifdef vfork # undef vfork # endif # define vfork my_vfork #endif /* BIG_TIME: * This symbol is defined if Time_t is an unsigned type on this system. */ #define BIG_TIME /* USE_STAT_RDEV: * This symbol is defined if this system has a stat structure declaring * st_rdev */ #define USE_STAT_RDEV /**/ /* ACME_MESS: * This symbol, if defined, indicates that error messages should be * should be generated in a format that allows the use of the Acme * GUI/editor's autofind feature. */ #undef ACME_MESS /**/ /* ALTERNATE_SHEBANG: * This symbol, if defined, contains a "magic" string which may be used * as the first line of a Perl program designed to be executed directly * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG * begins with a character other then #, then Perl will only treat * it as a command line if if finds the string "perl" in the first * word; otherwise it's treated as the first line of code in the script. * (IOW, Perl won't hand off to another interpreter via an alternate * shebang sequence that might be legal Perl code.) */ #define ALTERNATE_SHEBANG "$" /* Macros to set errno using the VAX thread-safe calls, if present */ #if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA) # define set_errno(v) (cma$tis_errno_set_value(v)) void cma$tis_errno_set_value(int __value); /* missing in some errno.h */ # define set_vaxc_errno(v) (vaxc$errno = (v)) #else # define set_errno(v) (errno = (v)) # define set_vaxc_errno(v) (vaxc$errno = (v)) #endif /* Support for 'vmsish' behaviors enabled with C pragma */ #define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */ #define HINT_V_VMSISH 24 #define HINT_M_VMSISH_STATUS 0x01000000 /* system, $? return VMS status */ #define HINT_M_VMSISH_EXIT 0x02000000 /* exit(1) ==> SS$_NORMAL */ #define HINT_M_VMSISH_TIME 0x04000000 /* times are local, not UTC */ #define NATIVE_HINTS (hints >> HINT_V_VMSISH) /* used in op.c */ #define TEST_VMSISH(h) (curcop->op_private & ((h) >> HINT_V_VMSISH)) #define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS) #define VMSISH_EXIT TEST_VMSISH(HINT_M_VMSISH_EXIT) #define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME) /* Handy way to vet calls to VMS system services and RTL routines. */ #define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \ if (!((__ckvms_sts=(call))&1)) { \ set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ croak("Fatal VMS error (status=%d) at %s, line %d", \ __ckvms_sts,__FILE__,__LINE__); } } STMT_END /* Same thing, but don't call back to Perl's croak(); useful for errors * occurring during startup, before Perl's state is initialized */ #define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \ if (!((__ckvms_sts=(call))&1)) { \ set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ fprintf(Perl_debug_log,"Fatal VMS error (status=%d) at %s, line %d", \ __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END #ifdef VMS_DO_SOCKETS #include "sockadapt.h" #endif #define BIT_BUCKET "_NLA0:" #define PERL_SYS_INIT(c,v) vms_image_init((c),(v)); MALLOC_INIT #define PERL_SYS_TERM() MALLOC_TERM #define dXSUB_SYS #define HAS_KILL #define HAS_WAIT /* VMS: * This symbol, if defined, indicates that the program is running under * VMS. It's a symbol automagically defined by all VMS C compilers I've seen. * Just in case, however . . . */ #ifndef VMS #define VMS /**/ #endif /* HAS_IOCTL: * This symbol, if defined, indicates that the ioctl() routine is * available to set I/O characteristics */ #undef HAS_IOCTL /**/ /* HAS_UTIME: * This symbol, if defined, indicates that the routine utime() is * available to update the access and modification times of files. */ #define HAS_UTIME /**/ /* HAS_GROUP * This symbol, if defined, indicates that the getgrnam(), * getgrgid(), and getgrent() routines are available to * get group entries. */ #undef HAS_GROUP /**/ /* HAS_PASSWD * This symbol, if defined, indicates that the getpwnam(), * getpwuid(), and getpwent() routines are available to * get password entries. */ #define HAS_PASSWD /**/ #define HAS_KILL #define HAS_WAIT /* USEMYBINMODE * This symbol, if defined, indicates that the program should * use the routine my_binmode(FILE *fp, char iotype) to insure * that a file is in "binary" mode -- that is, that no translation * of bytes occurs on read or write operations. */ #define USEMYBINMODE /* Stat_t: * This symbol holds the type used to declare buffers for information * returned by stat(). It's usually just struct stat. It may be necessary * to include and to get any typedef'ed * information. */ /* VMS: * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS * is in effect, since Perl's thread.h embeds one of these structs in its * thread data struct, and our struct mystat is a different size from the * regular struct stat (cf. note above about having to pad struct to work * around bug in compiler.) * It's OK to pass one of these to the RTL's stat(), though, since the * fields it fills are the same in each struct. */ #define Stat_t struct mystat /* USE_STAT_RDEV: * This symbol is defined if this system has a stat structure declaring * st_rdev * VMS: Field exists in POSIXish version of struct stat(), but is not used. */ #undef USE_STAT_RDEV /**/ /* * fwrite1() should be a routine with the same calling sequence as fwrite(), * but which outputs all of the bytes requested as a single stream (unlike * fwrite() itself, which on some systems outputs several distinct records * if the number_of_items parameter is >1). */ #define fwrite1 my_fwrite /* By default, flush data all the way to disk, not just to RMS buffers */ #define Fflush(fp) my_flush(fp) /* Use our own rmdir() */ #define rmdir(name) do_rmdir(name) /* Assorted fiddling with sigs . . . */ # include #define ABORT() abort() /* VAXC's signal.h doesn't #define SIG_ERR, but provides BADSIG instead. */ #if !defined(SIG_ERR) && defined(BADSIG) # define SIG_ERR BADSIG #endif /* Used with our my_utime() routine in vms.c */ struct utimbuf { time_t actime; time_t modtime; }; #define utime my_utime /* This is what times() returns, but calls it tbuffer_t on VMS * prior to v7.0. We check the DECC manifest to see whether it's already * done this for us, relying on the fact that perl.h #includes * before it #includes "vmsish.h". */ #ifndef __TMS struct tms { clock_t tms_utime; /* user time */ clock_t tms_stime; /* system time - always 0 on VMS */ clock_t tms_cutime; /* user time, children */ clock_t tms_cstime; /* system time, children - always 0 on VMS */ }; #else /* The new headers change the times() prototype to tms from tbuffer */ # define tbuffer_t struct tms #endif /* Substitute our own routines for gmtime(), localtime(), and time(), * which allow us to implement the vmsish 'time' pragma, and work * around absence of system-level UTC support on old versions of VMS. */ #define gmtime(t) my_gmtime(t) #define localtime(t) my_localtime(t) #define time(t) my_time(t) /* If we're using an older version of VMS whose Unix signal emulation * isn't very POSIXish, then roll our own. */ #if __VMS_VER < 70000000 || __DECC_VER < 50200000 # define HOMEGROWN_POSIX_SIGNALS #endif #ifdef HOMEGROWN_POSIX_SIGNALS # define sigemptyset(t) my_sigemptyset(t) # define sigfillset(t) my_sigfillset(t) # define sigaddset(t, u) my_sigaddset(t, u) # define sigdelset(t, u) my_sigdelset(t, u) # define sigismember(t, u) my_sigismember(t, u) # define sigprocmask(t, u, v) my_sigprocmask(t, u, v) typedef int sigset_t; /* The tools for sigprocmask() are there, just not the routine itself */ # ifndef SIG_UNBLOCK # define SIG_UNBLOCK 1 # endif # ifndef SIG_BLOCK # define SIG_BLOCK 2 # endif # ifndef SIG_SETMASK # define SIG_SETMASK 3 # endif # define sigaction sigvec # define sa_flags sv_onstack # define sa_handler sv_handler # define sa_mask sv_mask # define sigsuspend(set) sigpause(*set) # define sigpending(a) (not_here("sigpending"),0) #endif /* VMS doesn't use a real sys_nerr, but we need this when scanning for error * messages in text strings . . . */ #define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */ /* Look up new %ENV values on the fly */ #define DYNAMIC_ENV_FETCH 1 #define ENV_HV_NAME "%EnV%VmS%" /* Special getenv function for retrieving %ENV elements. */ #define ENV_getenv(v) my_getenv(v) /* Thin jacket around cuserid() tomatch Unix' calling sequence */ #define getlogin my_getlogin /* Ditto for sys$hash_passwrod() . . . */ #define crypt my_crypt /* Tweak arg to mkdir first, so we can tolerate trailing /. */ #define Mkdir(dir,mode) my_mkdir((dir),(mode)) /* Use our own stat() clones, which handle Unix-style directory names */ #define Stat(name,bufptr) flex_stat(name,bufptr) #define Fstat(fd,bufptr) flex_fstat(fd,bufptr) /* Setup for the dirent routines: * opendir(), closedir(), readdir(), seekdir(), telldir(), and * vmsreaddirversions(), and preprocessor stuff on which these depend: * Written by Rich $alz, in August, 1990. */ /* Data structure returned by READDIR(). */ struct dirent { char d_name[256]; /* File name */ int d_namlen; /* Length of d_name */ int vms_verscount; /* Number of versions */ int vms_versions[20]; /* Version numbers */ }; /* Handle returned by opendir(), used by the other routines. You * are not supposed to care what's inside this structure. */ typedef struct _dirdesc { long context; int vms_wantversions; unsigned long int count; char *pattern; struct dirent entry; struct dsc$descriptor_s pat; } DIR; #define rewinddir(dirp) seekdir((dirp), 0) /* used for our emulation of getpw* */ struct passwd { char *pw_name; /* Username */ char *pw_passwd; Uid_t pw_uid; /* UIC member number */ Gid_t pw_gid; /* UIC group number */ char *pw_comment; /* Default device/directory (Unix-style) */ char *pw_gecos; /* Owner */ char *pw_dir; /* Default device/directory (VMS-style) */ char *pw_shell; /* Default CLI name (eg. DCL) */ }; #define pw_unixdir pw_comment /* Default device/directory (Unix-style) */ #define getpwnam my_getpwnam #define getpwuid my_getpwuid #define getpwent my_getpwent #define endpwent my_endpwent #define setpwent my_endpwent /* Our own stat_t substitute, since we play with st_dev and st_ino - * we want atomic types so Unix-bound code which compares these fields * for two files will work most of the time under VMS. * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) == * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type * to map the unsigned int we want and the unsigned short[3] the CRTL * returns into the same member, since gcc has different ideas than DECC * and VAXC about sizing union types. * N.B 2. The routine cando() in vms.c assumes that &stat.st_ino is the * address of a FID. */ /* First, grab the system types, so we don't clobber them later */ #include /* Since we've got to match the size of the CRTL's stat_t, we need * to mimic DECC's alignment settings. */ #if defined(__DECC) || defined(__DECCXX) # pragma __member_alignment __save # pragma __nomember_alignment #endif #if defined(__DECC) # pragma __message __save # pragma __message disable (__MISALGNDSTRCT) # pragma __message disable (__MISALGNDMEM) #endif struct mystat { char *st_devnam; /* pointer to device name */ unsigned st_ino; /* hack - CRTL uses unsigned short[3] for */ unsigned short rvn; /* FID (num,seq,rvn) */ unsigned short st_mode; /* file "mode" i.e. prot, dir, reg, etc. */ int st_nlink; /* for compatibility - not really used */ unsigned st_uid; /* from ACP - QIO uic field */ unsigned short st_gid; /* group number extracted from st_uid */ dev_t st_rdev; /* for compatibility - always zero */ off_t st_size; /* file size in bytes */ unsigned st_atime; /* file access time; always same as st_mtime */ unsigned st_mtime; /* last modification time */ unsigned st_ctime; /* file creation time */ char st_fab_rfm; /* record format */ char st_fab_rat; /* record attributes */ char st_fab_fsz; /* fixed header size */ unsigned st_dev; /* encoded device name */ /* Pad struct out to integral number of longwords, since DECC 5.6/VAX * has a bug in dealing with offsets in structs in which are embedded * other structs whose size is an odd number of bytes. (An even * number of bytes is enough to make it happy, but we go for natural * alignment anyhow.) */ char st_fill1[sizeof(void *) - (3*sizeof(unsigned short) + 3*sizeof(char))%sizeof(void *)]; }; typedef unsigned mydev_t; typedef unsigned myino_t; #ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */ # ifdef stat # undef stat # endif # define stat mystat # define dev_t mydev_t # define ino_t myino_t #endif #if defined(__DECC) || defined(__DECCXX) # pragma __member_alignment __restore #endif #if defined(__DECC) # pragma __message __restore #endif /* Cons up a 'delete' bit for testing access */ #define S_IDUSR (S_IWUSR | S_IXUSR) #define S_IDGRP (S_IWGRP | S_IXGRP) #define S_IDOTH (S_IWOTH | S_IXOTH) /* Prototypes for functions unique to vms.c. Don't include replacements * for routines in the mainline source files excluded by #ifndef VMS; * their prototypes are already in proto.h. * * In order to keep Gen_ShrFls.Pl happy, functions which are to be made * available to images linked to PerlShr.Exe must be declared between the * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form * name_(()); */ #ifdef NO_PERL_TYPEDEFS /* We don't have Perl typedefs available (e.g. when building a2p), so we fake them here. N.B. There is *no* guarantee that the faked prototypes will actually match the real routines. If you want to call Perl routines, include perl.h to get the real typedefs. */ # ifndef bool # define bool int # define __MY_BOOL_TYPE_FAKE # endif # ifndef I32 # define I32 int # define __MY_I32_TYPE_FAKE # endif # ifndef SV # define SV void /* Since we only see SV * in prototypes */ # define __MY_SV_TYPE_FAKE # endif #endif void prime_env_iter _((void)); void init_os_extras _(()); /* prototype section start marker; `typedef' passes through cpp */ typedef char __VMS_PROTOTYPES__; int my_trnlnm _((char *, char *, unsigned long int)); char * my_getenv _((char *)); char * my_crypt _((const char *, const char *)); Pid_t my_waitpid _((Pid_t, int *, int)); char * my_gconvert _((double, int, int, char *)); int do_rmdir _((char *)); int kill_file _((char *)); int my_mkdir _((char *, Mode_t)); int my_utime _((char *, struct utimbuf *)); char * rmsexpand _((char *, char *, char *, unsigned)); char * rmsexpand_ts _((char *, char *, char *, unsigned)); char * fileify_dirspec _((char *, char *)); char * fileify_dirspec_ts _((char *, char *)); char * pathify_dirspec _((char *, char *)); char * pathify_dirspec_ts _((char *, char *)); char * tounixspec _((char *, char *)); char * tounixspec_ts _((char *, char *)); char * tovmsspec _((char *, char *)); char * tovmsspec_ts _((char *, char *)); char * tounixpath _((char *, char *)); char * tounixpath_ts _((char *, char *)); char * tovmspath _((char *, char *)); char * tovmspath_ts _((char *, char *)); void vms_image_init _((int *, char ***)); DIR * opendir _((char *)); struct dirent * readdir _((DIR *)); long telldir _((DIR *)); void seekdir _((DIR *, long)); void closedir _((DIR *)); void vmsreaddirversions _((DIR *, int)); struct tm * my_gmtime _((const time_t *)); struct tm * my_localtime _((const time_t *)); time_t my_time _((time_t *)); #ifdef HOMEGROWN_POSIX_SIGNALS int my_sigemptyset _((sigset_t *)); int my_sigfillset _((sigset_t *)); int my_sigaddset _((sigset_t *, int)); int my_sigdelset _((sigset_t *, int)); int my_sigismember _((sigset_t *, int)); int my_sigprocmask _((int, sigset_t *, sigset_t *)); #endif I32 cando_by_name _((I32, I32, char *)); int flex_fstat _((int, Stat_t *)); int flex_stat _((char *, Stat_t *)); int trim_unixpath _((char *, char*, int)); int my_vfork _(()); bool vms_do_aexec _((SV *, SV **, SV **)); bool vms_do_exec _((char *)); unsigned long int do_aspawn _((void *, void **, void **)); unsigned long int do_spawn _((char *)); int my_fwrite _((void *, size_t, size_t, FILE *)); int my_flush _((FILE *)); FILE * my_binmode _((FILE *, char)); struct passwd * my_getpwnam _((char *name)); struct passwd * my_getpwuid _((Uid_t uid)); struct passwd * my_getpwent _(()); void my_endpwent _(()); char * my_getlogin _(()); int rmscopy _((char *, char *, int)); typedef char __VMS_SEPYTOTORP__; /* prototype section end marker; `typedef' passes through cpp */ #ifdef NO_PERL_TYPEDEFS /* We'll try not to scramble later files */ # ifdef __MY_BOOL_TYPE_FAKE # undef bool # undef __MY_BOOL_TYPE_FAKE # endif # ifdef __MY_I32_TYPE_FAKE # undef I32 # undef __MY_I32_TYPE_FAKE # endif # ifdef __MY_SV_TYPE_FAKE # undef SV # undef __MY_SV_TYPE_FAKE # endif #endif #ifndef VMS_DO_SOCKETS /* This relies on tricks in perl.h to pick up that these manifest constants * are undefined and set up conversion routines. It will then redefine * these manifest constants, so the actual values will match config.h */ #undef HAS_HTONS #undef HAS_NTOHS #undef HAS_HTONL #undef HAS_NTOHL #endif #define TMPPATH "sys$scratch:perl-eXXXXXX" #endif /* __vmsish_h_included */