/* vmsish.h * * VMS-specific C header file for perl5. * * Last revised: 01-Oct-1995 by Charles Bailey bailey@genetics.upenn.edu * Version: 5.1.6 */ #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 */ /* Suppress compiler warnings from DECC for VMS-specific extensions: * GLOBALEXT, NOSHAREEXT: global[dr]ef declarations * ADDRCONSTEXT: initialization of data with non-constant values * (e.g. pointer fields of descriptors) */ #ifdef __DECC # pragma message disable (GLOBALEXT,NOSHAREEXT,ADDRCONSTEXT) #endif /* Suppress compiler warnings from DECC for VMS-specific extensions: * GLOBALEXT, NOSHAREEXT: 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,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 */ /* Our own contribution to PerlShr's global symbols . . . */ #ifdef EMBED # define my_trnlnm Perl_my_trnlnm # define my_getenv Perl_my_getenv # define my_crypt Perl_my_crypt # define waitpid Perl_waitpid # define my_gconvert Perl_my_gconvert # define do_rmdir Perl_do_rmdir # define kill_file Perl_kill_file # define my_utime Perl_my_utime # 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 getredirection Perl_getredirection # 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 getredirection Perl_getredirection # define my_gmtime Perl_my_gmtime # 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 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_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 /* The VMS C RTL has vfork() but not fork(). Both actually work in a way * that's somewhere between Unix vfork() and VMS lib$spawn(), so it's * probably not a good idea to use them much. That said, we'll try to * use vfork() in either case. */ #define fork vfork /* Macros to set errno using the VAX thread-safe calls, if present */ #if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA) # define set_errno(v) (cma$tis_errno_set_value(v)) # define set_vaxc_errno(v) (vaxc$errno = (v)) #else # define set_errno(v) (errno = (v)) # define set_vaxc_errno(v) (vaxc$errno = (v)) #endif /* 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 #ifdef VMS_DO_SOCKETS #include "sockadapt.h" #endif #define BIT_BUCKET "_NLA0:" #define PERL_SYS_INIT(c,v) getredirection((c),(v)) #define PERL_SYS_TERM() #define dXSUB_SYS int dummy #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 /* * 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 /* Use our own rmdir() */ #define rmdir(name) do_rmdir(name) /* Assorted fiddling with sigs . . . */ # include #define ABORT() abort() /* 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 */ 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 */ }; /* Prior to VMS 7.0, the CRTL gmtime() routine was a stub which always * returned NULL. Substitute our own routine, which uses the logical * SYS$TIMEZONE_DIFFERENTIAL, whcih the native UTC support routines * in VMS 6.0 or later use.* */ #define gmtime(t) my_gmtime(t) /* 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%" /* Thin jacket around cuserid() tomatch Unix' calling sequence */ #define getlogin my_getlogin /* Ditto for sys$hash_passwrod() . . . */ #define crypt my_crypt /* 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) /* By default, flush data all the way to disk, not just to RMS buffers */ #define Fflush(fp) ((fflush(fp) || fsync(fileno(fp))) ? EOF : 0) /* Setup for the dirent routines: * opendir(), closedir(), readdir(), seekdir(), telldir(), and * vmsreaddirversions(), and preprocessor stuff on which these depend: * Written by Rich $alz, in August, 1990. * This code has no copyright. */ /* Data structure returned by READDIR(). */ struct dirent { char d_name[256]; /* File name */ int d_namlen; /* Length of d_name */ int vms_verscount; /* Number of versions */ int vms_versions[20]; /* Version numbers */ }; /* Handle returned by opendir(), used by the other routines. You * are not supposed to care what's inside this structure. */ typedef struct _dirdesc { long context; int vms_wantversions; unsigned long int count; char *pattern; struct dirent entry; struct dsc$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 */ }; #define stat mystat typedef unsigned mydev_t; #define dev_t mydev_t typedef unsigned myino_t; #define ino_t myino_t #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_(()); */ /* 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 *)); unsigned long int waitpid _((unsigned long int, int *, int)); char * my_gconvert _((double, int, int, char *)); int do_rmdir _((char *)); int kill_file _((char *)); int my_utime _((char *, struct utimbuf *)); 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 getredirection _(()); DIR * opendir _((char *)); struct dirent * readdir _((DIR *)); long telldir _((DIR *)); void seekdir _((DIR *, long)); void closedir _((DIR *)); void vmsreaddirversions _((DIR *, int)); void getredirection _((int *, char ***)); struct tm *my_gmtime _((const time_t *)); I32 cando_by_name _((I32, I32, char *)); int flex_fstat _((int, struct stat *)); int flex_stat _((char *, struct stat *)); int trim_unixpath _((char *, char*)); bool vms_do_aexec _((SV *, SV **, SV **)); bool vms_do_exec _((char *)); unsigned long int do_aspawn _((SV *, SV **, SV **)); unsigned long int do_spawn _((char *)); int my_fwrite _((void *, size_t, size_t, FILE *)); 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)); void init_os_extras _(()); typedef char __VMS_SEPYTOTORP__; /* prototype section end marker; `typedef' passes through cpp */ #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 */