/* 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 <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
#endif
#include <processes.h> /* for vfork() */
#include <unixio.h>
#include <unixlib.h>
#include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */
#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_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
#if __VMS_VER < 70000000 || __DECC_VER < 50200000
# define my_gmtime Perl_my_gmtime
# define my_localtime Perl_my_localtime
# define my_time Perl_my_time
#endif
# 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<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
#define BIT_BUCKET "_NLA0:"
#define PERL_SYS_INIT(c,v) vms_image_init((c),(v))
#define PERL_SYS_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
/*
* 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 <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
/* 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.
*/
#if __VMS_VER < 70000000 || __DECC_VER < 50200000
#define gmtime(t) my_gmtime(t)
#define localtime(t) my_localtime(t)
#define time(t) my_time(t)
#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 $alz, <rsalz@bbn.com> in August, 1990.
*/
/* Data structure returned by READDIR(). */
struct dirent {
char d_name[256]; /* File name */
int d_namlen; /* Length of d_name */
int vms_verscount; /* Number of versions */
int vms_versions[20]; /* Version numbers */
};
/* Handle returned by opendir(), used by the other routines. You
* are not supposed to care what's inside this structure. */
typedef struct _dirdesc {
long context;
int vms_wantversions;
unsigned long int count;
char *pattern;
struct dirent entry;
struct dsc$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 <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;
* 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
* <data type><TAB>name<WHITESPACE>_((<prototype args>));
*/
#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));
#ifdef my_gmtime
struct tm * my_gmtime _((const time_t *));
struct tm * my_localtime _((const time_t *));
time_t my_time _((time_t *));
#endif /* We're assuming these three come as a package */
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 _((SV *, SV **, SV **));
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 */