*
* VMS-specific C header file for perl5.
*
- * Last revised: 09-Oct-1994 by Charles Bailey bailey@genetics.upenn.edu
+ * 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 <descrip.h> /* for dirent struct definitions */
+#include <libdef.h> /* status codes for various places */
+#include <rmsdef.h> /* at which errno and vaxc$errno are */
+#include <ssdef.h> /* explicitly set in the perl source code */
+#include <stsdef.h> /* 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
-#else
+#endif
#include <processes.h> /* for vfork() */
#include <unixio.h>
-#endif
#include <unixlib.h>
#include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */
-#define unlink remove
+#if defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000
+# include <unistd.h> /* 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
+
+/* 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_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 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 my_localtime Perl_my_localtime
+# define my_time Perl_my_time
+# 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_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<use vmsish> 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$signal(__ckvms_sts); } } STMT_END
#ifdef VMS_DO_SOCKETS
#include "sockadapt.h"
#endif
-/*
- * The following symbols are defined (or undefined) according to the RTL
- * support VMS provides for the corresponding functions. These don't
- * appear in config.h, so they're dealt with here.
- */
+#define BIT_BUCKET "_NLA0:"
+#define PERL_SYS_INIT(c,v) getredirection((c),(v))
+#define PERL_SYS_TERM()
+#define dXSUB_SYS int dummy
#define HAS_KILL
#define HAS_WAIT
-/* The VMS C RTL has vfork() but not fork(). Both actually work in a way
- * that's somewhere between Unix vfork() and VMS lib$spawn(), so it's
- * probably not a good idea to use them much. That said, we'll try to
- * use vfork() in either case.
+/* 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 fork vfork
+#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
/*
* fwrite1() should be a routine with the same calling sequence as fwrite(),
/* Assorted fiddling with sigs . . . */
# include <signal.h>
#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
-/* This is what times() returns, but <times.h> 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 */
+/* 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 <times.h> 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 <time.h>
+ * 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
+
+/* 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$TIMEZONE_DIFFERENTIAL, whcih the native UTC support routines
+ * in VMS 6.0 or later use. We also add shims for time() and localtime()
+ * so we can run on UTC by default.
+ */
+#define gmtime(t) my_gmtime(t)
+#define localtime(t) my_localtime(t)
+#define time(t) my_time(t)
/* VMS doesn't use a real sys_nerr, but we need this when scanning for error
* messages in text strings . . .
/* Look up new %ENV values on the fly */
#define DYNAMIC_ENV_FETCH 1
#define ENV_HV_NAME "%EnV%VmS%"
+ /* Special getenv function for retrieving %ENV elements. */
+#define ENV_getenv(v) my_getenv(v)
+
+
+/* Thin jacket around cuserid() tomatch Unix' calling sequence */
+#define getlogin my_getlogin
+
+/* Ditto for sys$hash_passwrod() . . . */
+#define crypt my_crypt
/* 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, <rsalz@bbn.com> in August, 1990.
- * This code has no copyright.
*/
/* Data structure returned by READDIR(). */
struct dirent {
#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 <stat.h>
+/* 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 */
+};
+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;
* __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form
* <data type><TAB>name<WHITESPACE>_((<prototype args>));
*/
-typedef char __VMS_PROTOTYPES__; /* prototype section start marker */
-char * my_getenv _((char *));
-#ifndef HAS_WAITPID /* Not a real waitpid - use only with popen from vms.c! */
-unsigned long int waitpid _((unsigned long int, int *, int));
+
+#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 getredirection _((int *, char ***));
+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_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 *));
void seekdir _((DIR *, long));
void closedir _((DIR *));
void vmsreaddirversions _((DIR *, int));
-void getredirection _((int *, char ***));
-int flex_fstat _((int, stat_t *));
-int flex_stat _((char *, stat_t *));
-int trim_unixpath _((char *, char*));
-struct sv; /* forward declaration for vms_do_aexec and do_aspawn */
- /* real declaration is in sv.h */
-#define bool char /* This must match handy.h */
-bool vms_do_aexec _((struct sv *, struct sv **, struct sv **));
+struct tm * my_gmtime _((const time_t *));
+struct tm * my_localtime _((const time_t *));
+time_t my_time _((time_t *));
+I32 cando_by_name _((I32, I32, char *));
+int flex_fstat _((int, struct mystat *));
+int flex_stat _((char *, struct mystat *));
+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 _((struct sv *, struct sv **, struct sv **));
+unsigned long int do_aspawn _((SV *, SV **, SV **));
unsigned long int do_spawn _((char *));
int my_fwrite _((void *, size_t, size_t, FILE *));
-typedef char __VMS_SEPYTOTORP__; /* prototype section end marker */
+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
-/***** The following four #defines are temporary, and should be removed,
- * along with the corresponding routines in vms.c, when TCP/IP support
- * is integrated into the VMS port of perl5. (The temporary hacks are
- * here for now so pack can handle type N elements.)
- * - C. Bailey 26-Aug-1994
- *****/
-unsigned short int tmp_shortflip _((unsigned short int));
-unsigned long int tmp_longflip _((unsigned long int));
-#define htons(us) tmp_shortflip(us)
-#define ntohs(us) tmp_shortflip(us)
-#define htonl(ul) tmp_longflip(ul)
-#define ntohl(ul) tmp_longflip(ul)
+/* 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 */
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