home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Geek Gadgets 1
/
ADE-1.bin
/
ade-dist
/
perl-5.003-src.tgz
/
tar.out
/
fsf
/
perl
/
vms
/
vmsish.h
< prev
next >
Wrap
C/C++ Source or Header
|
1996-09-28
|
15KB
|
426 lines
/* 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: 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 <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 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 <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 */
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 $alz, <rsalz@bbn.com> in August, 1990.
* This code has no copyright.
*/
/* Data structure returned by READDIR(). */
struct dirent {
char d_name[256]; /* File name */
int d_namlen; /* Length of d_name */
int vms_verscount; /* Number of versions */
int vms_versions[20]; /* Version numbers */
};
/* Handle returned by opendir(), used by the other routines. You
* are not supposed to care what's inside this structure. */
typedef struct _dirdesc {
long context;
int vms_wantversions;
unsigned long int count;
char *pattern;
struct dirent entry;
struct dsc$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*));
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 */