[p5sagit/p5-mst-13.2.git] / vms / vmsish.h

/*  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 <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 */

/* 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 <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 */

/* 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 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_VFORK  /* #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	/**/

/* 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

/* 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)  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
  
/* 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

/* Use our own rmdir() */
#define rmdir(name) do_rmdir(name)

/* Assorted fiddling with sigs . . . */
# include <signal.h>
#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 <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 */
  };
#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.*
 */
#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, <rsalz@bbn.com> 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 <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 */
};
#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
 *    <data type><TAB>name<WHITESPACE>_((<prototype args>));
 */
/* 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*));
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 *));
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));
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 */
Commit	Line	Data
a0d0e21e	1	/* vmsish.h
	2	*
	3	* VMS-specific C header file for perl5.
	4	*
e518068a	5	* Last revised: 01-Oct-1995 by Charles Bailey bailey@genetics.upenn.edu
c07a80fd	6	* Version: 5.1.6
a0d0e21e	7	*/
	8
	9	#ifndef __vmsish_h_included
	10	#define __vmsish_h_included
	11
	12	#include <descrip.h> /* for dirent struct definitions */
748a9306	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
4633a7c4	17	/* Suppress compiler warnings from DECC for VMS-specific extensions:
4633a7c4	18	* GLOBALEXT, NOSHAREEXT: global[dr]ef declarations
e518068a	19	* ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values
	20	* (e.g. pointer fields of descriptors)
	21	*/
	22	#ifdef __DECC
	23	# pragma message disable (GLOBALEXT,NOSHAREEXT,ADDRCONSTEXT,NEEDCONSTEXT)
	24	#endif
	25
748a9306	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)
4633a7c4	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)
	38	#undef abs
	39	#define abs(__x) __ABS(__x)
	40	#undef labs
	41	#define labs(__x) __LABS(__x)
	42	#endif /* __ALPHA && __DECC */
a0d0e21e	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
748a9306	49	#endif
a0d0e21e	50	#include <processes.h> /* for vfork() */
a0d0e21e	51	#include <unixio.h>
a0d0e21e	52	#include <unixlib.h>
a0d0e21e	53	#include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */
bf109933	54
	55	/* Our own contribution to PerlShr's global symbols . . . */
	56	#ifdef EMBED
	57	# define my_trnlnm Perl_my_trnlnm
	58	# define my_getenv Perl_my_getenv
	59	# define my_crypt Perl_my_crypt
	60	# define waitpid Perl_waitpid
	61	# define my_gconvert Perl_my_gconvert
	62	# define do_rmdir Perl_do_rmdir
	63	# define kill_file Perl_kill_file
	64	# define my_utime Perl_my_utime
	65	# define fileify_dirspec Perl_fileify_dirspec
	66	# define fileify_dirspec_ts Perl_fileify_dirspec_ts
	67	# define pathify_dirspec Perl_pathify_dirspec
	68	# define pathify_dirspec_ts Perl_pathify_dirspec_ts
	69	# define tounixspec Perl_tounixspec
	70	# define tounixspec_ts Perl_tounixspec_ts
	71	# define tovmsspec Perl_tovmsspec
	72	# define tovmsspec_ts Perl_tovmsspec_ts
	73	# define tounixpath Perl_tounixpath
	74	# define tounixpath_ts Perl_tounixpath_ts
	75	# define tovmspath Perl_tovmspath
	76	# define tovmspath_ts Perl_tovmspath_ts
	77	# define getredirection Perl_getredirection
	78	# define opendir Perl_opendir
	79	# define readdir Perl_readdir
	80	# define telldir Perl_telldir
	81	# define seekdir Perl_seekdir
	82	# define closedir Perl_closedir
	83	# define vmsreaddirversions Perl_vmsreaddirversions
	84	# define getredirection Perl_getredirection
	85	# define my_gmtime Perl_my_gmtime
	86	# define cando_by_name Perl_cando_by_name
	87	# define flex_fstat Perl_flex_fstat
	88	# define flex_stat Perl_flex_stat
	89	# define trim_unixpath Perl_trim_unixpath
0414b1a0	90	# define my_vfork Perl_my_vfork
bf109933	91	# define vms_do_aexec Perl_vms_do_aexec
	92	# define vms_do_exec Perl_vms_do_exec
	93	# define do_aspawn Perl_do_aspawn
	94	# define do_spawn Perl_do_spawn
	95	# define my_fwrite Perl_my_fwrite
0414b1a0	96	# define my_binmode Perl_my_binmode
bf109933	97	# define my_getpwnam Perl_my_getpwnam
	98	# define my_getpwuid Perl_my_getpwuid
	99	# define my_getpwent Perl_my_getpwent
	100	# define my_endpwent Perl_my_endpwent
	101	# define my_getlogin Perl_my_getlogin
	102	# define rmscopy Perl_rmscopy
	103	# define init_os_extras Perl_init_os_extras
	104	#endif
	105
	106	/* Delete if at all possible, changing protections if necessary. */
748a9306	107	#define unlink kill_file
748a9306	108
0414b1a0	109	/*
	110	* Intercept calls to fork, so we know whether subsequent calls to
	111	* exec should be handled in VMSish or Unixish style.
	112	*/
	113	#define fork my_vfork
	114	#ifndef __DONT_MASK_VFORK /* #defined in vms.c so we see real vfork */
	115	# ifdef vfork
	116	# undef vfork
	117	# endif
	118	# define vfork my_vfork
	119	#endif
	120
	121	/* BIG_TIME:
	122	* This symbol is defined if Time_t is an unsigned type on this system.
	123	*/
	124	#define BIG_TIME
	125
	126	/* USE_STAT_RDEV:
	127	* This symbol is defined if this system has a stat structure declaring
	128	* st_rdev
e518068a	129	*/
0414b1a0	130	#define USE_STAT_RDEV /**/
	131
	132	/* ACME_MESS:
	133	* This symbol, if defined, indicates that error messages should be
	134	* should be generated in a format that allows the use of the Acme
	135	* GUI/editor's autofind feature.
	136	*/
	137	#undef ACME_MESS /**/
e518068a	138
748a9306	139	/* Macros to set errno using the VAX thread-safe calls, if present */
	140	#if (defined(__DECC) \|\| defined(__DECCXX)) && !defined(__ALPHA)
	141	# define set_errno(v) (cma$tis_errno_set_value(v))
	142	# define set_vaxc_errno(v) (vaxc$errno = (v))
	143	#else
	144	# define set_errno(v) (errno = (v))
	145	# define set_vaxc_errno(v) (vaxc$errno = (v))
	146	#endif
	147
	148	/* Handy way to vet calls to VMS system services and RTL routines. */
bf109933	149	#define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \
748a9306	150	if (!((__ckvms_sts=(call))&1)) { \
748a9306	151	set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
e518068a	152	croak("Fatal VMS error (status=%d) at %s, line %d", \
bf109933	153	__ckvms_sts,__FILE__,__LINE__); } } STMT_END
a0d0e21e	154
0414b1a0	155	/* Same thing, but don't call back to Perl's croak(); useful for errors
	156	* occurring during startup, before Perl's state is initialized */
	157	#define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \
	158	if (!((__ckvms_sts=(call))&1)) { \
	159	set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
	160	fprintf(Perl_debug_log,"Fatal VMS error (status=%d) at %s, line %d", \
	161	__ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END
	162
a0d0e21e	163	#ifdef VMS_DO_SOCKETS
	164	#include "sockadapt.h"
	165	#endif
	166
c07a80fd	167	#define BIT_BUCKET "_NLA0:"
c07a80fd	168	#define PERL_SYS_INIT(c,v) getredirection((c),(v))
bf109933	169	#define PERL_SYS_TERM()
bf109933	170	#define dXSUB_SYS int dummy
a0d0e21e	171	#define HAS_KILL
	172	#define HAS_WAIT
	173
e518068a	174	/* VMS:
	175	* This symbol, if defined, indicates that the program is running under
	176	* VMS. It's a symbol automagically defined by all VMS C compilers I've seen.
	177	* Just in case, however . . . */
	178	#ifndef VMS
	179	#define VMS /**/
	180	#endif
	181
	182	/* HAS_IOCTL:
	183	* This symbol, if defined, indicates that the ioctl() routine is
	184	* available to set I/O characteristics
a0d0e21e	185	*/
e518068a	186	#undef HAS_IOCTL /**/
	187
	188	/* HAS_UTIME:
	189	* This symbol, if defined, indicates that the routine utime() is
	190	* available to update the access and modification times of files.
	191	*/
	192	#define HAS_UTIME /**/
a0d0e21e	193
e518068a	194	/* HAS_GROUP
	195	* This symbol, if defined, indicates that the getgrnam(),
	196	* getgrgid(), and getgrent() routines are available to
	197	* get group entries.
	198	*/
	199	#undef HAS_GROUP /**/
	200
	201	/* HAS_PASSWD
	202	* This symbol, if defined, indicates that the getpwnam(),
	203	* getpwuid(), and getpwent() routines are available to
	204	* get password entries.
	205	*/
	206	#define HAS_PASSWD /**/
	207
	208	#define HAS_KILL
	209	#define HAS_WAIT
	210
0414b1a0	211	/* USEMYBINMODE
	212	* This symbol, if defined, indicates that the program should
	213	* use the routine my_binmode(FILE *fp, char iotype) to insure
	214	* that a file is in "binary" mode -- that is, that no translation
	215	* of bytes occurs on read or write operations.
	216	*/
	217	#define USEMYBINMODE
	218
a0d0e21e	219	/*
	220	* fwrite1() should be a routine with the same calling sequence as fwrite(),
	221	* but which outputs all of the bytes requested as a single stream (unlike
	222	* fwrite() itself, which on some systems outputs several distinct records
	223	* if the number_of_items parameter is >1).
	224	*/
	225	#define fwrite1 my_fwrite
	226
	227	/* Use our own rmdir() */
	228	#define rmdir(name) do_rmdir(name)
	229
	230	/* Assorted fiddling with sigs . . . */
	231	# include <signal.h>
	232	#define ABORT() abort()
	233
748a9306	234	/* Used with our my_utime() routine in vms.c */
	235	struct utimbuf {
	236	time_t actime;
	237	time_t modtime;
	238	};
	239	#define utime my_utime
	240
0414b1a0	241	/* This is what times() returns, but <times.h> calls it tbuffer_t on VMS
	242	* prior to v7.0. We check the DECC manifest to see whether it's already
	243	* done this for us, relying on the fact that perl.h #includes <time.h>
	244	* before it #includes "vmsish.h".
	245	*/
a0d0e21e	246
0414b1a0	247	#ifndef __TMS
	248	struct tms {
	249	clock_t tms_utime; /* user time */
	250	clock_t tms_stime; /* system time - always 0 on VMS */
	251	clock_t tms_cutime; /* user time, children */
	252	clock_t tms_cstime; /* system time, children - always 0 on VMS */
	253	};
	254	#endif
a0d0e21e	255
e518068a	256	/* Prior to VMS 7.0, the CRTL gmtime() routine was a stub which always
	257	* returned NULL. Substitute our own routine, which uses the logical
	258	* SYS$TIMEZONE_DIFFERENTIAL, whcih the native UTC support routines
	259	* in VMS 6.0 or later use.*
	260	*/
	261	#define gmtime(t) my_gmtime(t)
	262
a0d0e21e	263	/* VMS doesn't use a real sys_nerr, but we need this when scanning for error
	264	* messages in text strings . . .
	265	*/
	266
	267	#define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */
	268
	269	/* Look up new %ENV values on the fly */
	270	#define DYNAMIC_ENV_FETCH 1
	271	#define ENV_HV_NAME "%EnV%VmS%"
	272
c07a80fd	273	/* Thin jacket around cuserid() tomatch Unix' calling sequence */
	274	#define getlogin my_getlogin
	275
	276	/* Ditto for sys$hash_passwrod() . . . */
	277	#define crypt my_crypt
	278
a0d0e21e	279	/* Use our own stat() clones, which handle Unix-style directory names */
	280	#define Stat(name,bufptr) flex_stat(name,bufptr)
	281	#define Fstat(fd,bufptr) flex_fstat(fd,bufptr)
	282
a5f75d66	283	/* By default, flush data all the way to disk, not just to RMS buffers */
	284	#define Fflush(fp) ((fflush(fp) \|\| fsync(fileno(fp))) ? EOF : 0)
	285
a0d0e21e	286	/* Setup for the dirent routines:
	287	* opendir(), closedir(), readdir(), seekdir(), telldir(), and
	288	* vmsreaddirversions(), and preprocessor stuff on which these depend:
	289	* Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
	290	* This code has no copyright.
	291	*/
	292	/* Data structure returned by READDIR(). */
	293	struct dirent {
	294	char d_name[256]; /* File name */
	295	int d_namlen; /* Length of d_name */
	296	int vms_verscount; /* Number of versions */
	297	int vms_versions[20]; /* Version numbers */
	298	};
	299
	300	/* Handle returned by opendir(), used by the other routines. You
	301	* are not supposed to care what's inside this structure. */
	302	typedef struct _dirdesc {
	303	long context;
	304	int vms_wantversions;
	305	unsigned long int count;
	306	char *pattern;
	307	struct dirent entry;
	308	struct dsc$descriptor_s pat;
	309	} DIR;
	310
	311	#define rewinddir(dirp) seekdir((dirp), 0)
	312
748a9306	313	/* used for our emulation of getpw* */
	314	struct passwd {
	315	char pw_name; / Username */
	316	char *pw_passwd;
	317	Uid_t pw_uid; /* UIC member number */
	318	Gid_t pw_gid; /* UIC group number */
	319	char pw_comment; / Default device/directory (Unix-style) */
	320	char pw_gecos; / Owner */
	321	char pw_dir; / Default device/directory (VMS-style) */
	322	char pw_shell; / Default CLI name (eg. DCL) */
	323	};
	324	#define pw_unixdir pw_comment /* Default device/directory (Unix-style) */
	325	#define getpwnam my_getpwnam
	326	#define getpwuid my_getpwuid
	327	#define getpwent my_getpwent
	328	#define endpwent my_endpwent
	329	#define setpwent my_endpwent
	330
	331	/* Our own stat_t substitute, since we play with st_dev and st_ino -
	332	* we want atomic types so Unix-bound code which compares these fields
c07a80fd	333	* for two files will work most of the time under VMS.
	334	* N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) ==
	335	* sizeof(unsigned) + sizeof(unsigned short). We can't use a union type
	336	* to map the unsigned int we want and the unsigned short[3] the CRTL
	337	* returns into the same member, since gcc has different ideas than DECC
	338	* and VAXC about sizing union types.
	339	* N.B 2. The routine cando() in vms.c assumes that &stat.st_ino is the
	340	* address of a FID.
748a9306	341	*/
	342	/* First, grab the system types, so we don't clobber them later */
	343	#include <stat.h>
	344	/* Since we've got to match the size of the CRTL's stat_t, we need
	345	* to mimic DECC's alignment settings.
	346	*/
	347	#if defined(__DECC) \|\| defined(__DECCXX)
	348	# pragma __member_alignment __save
	349	# pragma __nomember_alignment
	350	#endif
	351	#if defined(__DECC)
	352	# pragma __message __save
	353	# pragma __message disable (__MISALGNDSTRCT)
	354	# pragma __message disable (__MISALGNDMEM)
	355	#endif
	356	struct mystat
	357	{
	358	char st_devnam; / pointer to device name */
c07a80fd	359	unsigned st_ino; /* hack - CRTL uses unsigned short[3] for */
c07a80fd	360	unsigned short rvn; /* FID (num,seq,rvn) */
748a9306	361	unsigned short st_mode; /* file "mode" i.e. prot, dir, reg, etc. */
	362	int st_nlink; /* for compatibility - not really used */
	363	unsigned st_uid; /* from ACP - QIO uic field */
	364	unsigned short st_gid; /* group number extracted from st_uid */
	365	dev_t st_rdev; /* for compatibility - always zero */
	366	off_t st_size; /* file size in bytes */
	367	unsigned st_atime; /* file access time; always same as st_mtime */
	368	unsigned st_mtime; /* last modification time */
	369	unsigned st_ctime; /* file creation time */
	370	char st_fab_rfm; /* record format */
	371	char st_fab_rat; /* record attributes */
	372	char st_fab_fsz; /* fixed header size */
	373	unsigned st_dev; /* encoded device name */
	374	};
748a9306	375	#define stat mystat
	376	typedef unsigned mydev_t;
	377	#define dev_t mydev_t
c07a80fd	378	typedef unsigned myino_t;
748a9306	379	#define ino_t myino_t
	380	#if defined(__DECC) \|\| defined(__DECCXX)
	381	# pragma __member_alignment __restore
	382	#endif
	383	#if defined(__DECC)
	384	# pragma __message __restore
	385	#endif
	386	/* Cons up a 'delete' bit for testing access */
	387	#define S_IDUSR (S_IWUSR \| S_IXUSR)
	388	#define S_IDGRP (S_IWGRP \| S_IXGRP)
	389	#define S_IDOTH (S_IWOTH \| S_IXOTH)
a0d0e21e	390
	391	/* Prototypes for functions unique to vms.c. Don't include replacements
	392	* for routines in the mainline source files excluded by #ifndef VMS;
	393	* their prototypes are already in proto.h.
	394	*
	395	* In order to keep Gen_ShrFls.Pl happy, functions which are to be made
	396	* available to images linked to PerlShr.Exe must be declared between the
	397	* __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form
	398	* <data type><TAB>name<WHITESPACE>_((<prototype args>));
	399	*/
c07a80fd	400	/* prototype section start marker; `typedef' passes through cpp */
	401	typedef char __VMS_PROTOTYPES__;
	402	int my_trnlnm _((char , char , unsigned long int));
a0d0e21e	403	char * my_getenv _((char *));
c07a80fd	404	char * my_crypt _((const char , const char ));
a0d0e21e	405	unsigned long int waitpid _((unsigned long int, int *, int));
a0d0e21e	406	char * my_gconvert _((double, int, int, char *));
	407	int do_rmdir _((char *));
	408	int kill_file _((char *));
748a9306	409	int my_utime _((char , struct utimbuf ));
a0d0e21e	410	char * fileify_dirspec _((char , char ));
	411	char * fileify_dirspec_ts _((char , char ));
	412	char * pathify_dirspec _((char , char ));
	413	char * pathify_dirspec_ts _((char , char ));
	414	char * tounixspec _((char , char ));
	415	char * tounixspec_ts _((char , char ));
	416	char * tovmsspec _((char , char ));
	417	char * tovmsspec_ts _((char , char ));
	418	char * tounixpath _((char , char ));
	419	char * tounixpath_ts _((char , char ));
	420	char * tovmspath _((char , char ));
	421	char * tovmspath_ts _((char , char ));
	422	void getredirection _(());
	423	DIR * opendir _((char *));
	424	struct dirent * readdir _((DIR *));
	425	long telldir _((DIR *));
	426	void seekdir _((DIR *, long));
	427	void closedir _((DIR *));
	428	void vmsreaddirversions _((DIR *, int));
	429	void getredirection _((int , char **));
e518068a	430	struct tm my_gmtime _((const time_t ));
748a9306	431	I32 cando_by_name _((I32, I32, char *));
	432	int flex_fstat _((int, struct stat *));
	433	int flex_stat _((char , struct stat ));
a0d0e21e	434	int trim_unixpath _((char , char));
0414b1a0	435	int my_vfork _(());
748a9306	436	bool vms_do_aexec _((SV , SV , SV *));
a0d0e21e	437	bool vms_do_exec _((char *));
748a9306	438	unsigned long int do_aspawn _((SV , SV , SV *));
a0d0e21e	439	unsigned long int do_spawn _((char *));
a0d0e21e	440	int my_fwrite _((void , size_t, size_t, FILE ));
0414b1a0	441	FILE * my_binmode _((FILE *, char));
748a9306	442	struct passwd * my_getpwnam _((char *name));
	443	struct passwd * my_getpwuid _((Uid_t uid));
	444	struct passwd * my_getpwent _(());
	445	void my_endpwent _(());
c07a80fd	446	char * my_getlogin _(());
bf109933	447	int rmscopy _((char , char , int));
748a9306	448	void init_os_extras _(());
c07a80fd	449	typedef char __VMS_SEPYTOTORP__;
c07a80fd	450	/* prototype section end marker; `typedef' passes through cpp */
a0d0e21e	451
a0d0e21e	452	#ifndef VMS_DO_SOCKETS
748a9306	453	/* This relies on tricks in perl.h to pick up that these manifest constants
	454	* are undefined and set up conversion routines. It will then redefine
	455	* these manifest constants, so the actual values will match config.h
	456	*/
	457	#undef HAS_HTONS
	458	#undef HAS_NTOHS
	459	#undef HAS_HTONL
	460	#undef HAS_NTOHL
a0d0e21e	461	#endif
a0d0e21e	462
482b294c	463	#define TMPPATH "sys$scratch:perl-eXXXXXX"
482b294c	464
a0d0e21e	465	#endif /* __vmsish_h_included */