diff options
Diffstat (limited to 'vms/vmsish.h')
| -rw-r--r-- | vms/vmsish.h | 248 |
1 files changed, 206 insertions, 42 deletions
diff --git a/vms/vmsish.h b/vms/vmsish.h index 0685985d56..841b11993a 100644 --- a/vms/vmsish.h +++ b/vms/vmsish.h @@ -2,8 +2,8 @@ * * VMS-specific C header file for perl5. * - * Last revised: 01-Oct-1995 by Charles Bailey bailey@genetics.upenn.edu - * Version: 5.1.6 + * Last revised: 18-Feb-1997 by Charles Bailey bailey@genetics.upenn.edu + * Version: 5.3.28 */ #ifndef __vmsish_h_included @@ -13,23 +13,15 @@ #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: 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 + * 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,ADDRCONSTEXT,NEEDCONSTEXT) +# pragma message disable (GLOBALEXT,NOSHAREEXT,READONLYEXT,ADDRCONSTEXT,NEEDCONSTEXT) #endif /* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */ @@ -60,17 +52,46 @@ #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 waitpid Perl_waitpid +# 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 @@ -92,15 +113,20 @@ # 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_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 @@ -113,22 +139,73 @@ /* 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. +/* + * Intercept calls to fork, so we know whether subsequent calls to + * exec should be handled in VMSish or Unixish style. */ -#define fork vfork +#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)) { \ @@ -136,6 +213,14 @@ 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 @@ -143,7 +228,7 @@ #define BIT_BUCKET "_NLA0:" #define PERL_SYS_INIT(c,v) getredirection((c),(v)) #define PERL_SYS_TERM() -#define dXSUB_SYS int dummy +#define dXSUB_SYS #define HAS_KILL #define HAS_WAIT @@ -184,6 +269,14 @@ #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 @@ -192,12 +285,20 @@ */ #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 { @@ -206,21 +307,33 @@ struct utimbuf { }; #define utime my_utime -/* This is what times() returns, but <times.h> calls it tbuffer_t on VMS */ +/* 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". + */ -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 */ -}; +#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.* + * 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 . . . @@ -231,6 +344,9 @@ struct tms { /* 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 @@ -238,18 +354,17 @@ struct tms { /* 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) -/* 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 { @@ -334,11 +449,16 @@ struct mystat 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 +#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 @@ -359,16 +479,42 @@ typedef unsigned myino_t; * __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 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 *)); -unsigned long int waitpid _((unsigned long int, int *, int)); +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 *)); @@ -388,27 +534,45 @@ 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 *)); +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 stat *)); -int flex_stat _((char *, struct stat *)); -int trim_unixpath _((char *, 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)); -void init_os_extras _(()); 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 |