X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=vms%2Fvmsish.h;h=fd9d693bcb6f87e3b24a929cceecb8353d40b0e4;hb=1a159553554948091ed2e3b1cf5953ca46e63bc5;hp=36bfaff58066a9eee1d9743c78043fd644ccfeb5;hpb=0414b1a0b20916100011e88592729639e59afcff;p=p5sagit%2Fp5-mst-13.2.git diff --git a/vms/vmsish.h b/vms/vmsish.h index 36bfaff..fd9d693 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 @@ -13,14 +13,14 @@ #include /* status codes for various places */ #include /* at which errno and vaxc$errno are */ #include /* explicitly set in the perl source code */ +#include /* bitmasks for exit status testing */ /* 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) +# pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT) #endif /* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */ @@ -51,17 +51,52 @@ #include #include #include /* it's not , so don't use I_SYS_FILE */ +#if defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000 +# include /* DECC has this; VAXC and gcc don't */ +#endif + +/* VAXC doesn't have a unary plus operator, so we need to get there indirectly */ +#if defined(VAXC) && !defined(__DECC) +# define NO_UNARY_PLUS +#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. */ +#define waitpid my_waitpid + +/* Don't redeclare standard RTL routines in Perl's header files; + * VMS history or extensions makes some of the formal protoypes + * differ from the common Unix forms. + */ +#define DONT_DECLARE_STD 1 /* 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 @@ -74,15 +109,22 @@ # define tounixpath_ts Perl_tounixpath_ts # define tovmspath Perl_tovmspath # define tovmspath_ts Perl_tovmspath_ts -# define getredirection Perl_getredirection +# 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 -# define getredirection Perl_getredirection # define my_gmtime Perl_my_gmtime +# define my_localtime Perl_my_localtime +# define my_time Perl_my_time +# define my_sigemptyset Perl_my_sigemptyset +# define my_sigfillset Perl_my_sigfillset +# define my_sigaddset Perl_my_sigaddset +# define my_sigdelset Perl_my_sigdelset +# define my_sigismember Perl_my_sigismember +# define my_sigprocmask Perl_my_sigprocmask # define cando_by_name Perl_cando_by_name # define flex_fstat Perl_flex_fstat # define flex_stat Perl_flex_stat @@ -93,6 +135,7 @@ # 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 @@ -111,7 +154,7 @@ * 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 */ +#ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */ # ifdef vfork # undef vfork # endif @@ -123,12 +166,6 @@ */ #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 @@ -136,15 +173,43 @@ */ #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 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)) { \ @@ -165,9 +230,9 @@ #endif #define BIT_BUCKET "_NLA0:" -#define PERL_SYS_INIT(c,v) getredirection((c),(v)) -#define PERL_SYS_TERM() -#define dXSUB_SYS int dummy +#define PERL_SYS_INIT(c,v) vms_image_init((c),(v)); MALLOC_INIT +#define PERL_SYS_TERM() MALLOC_TERM +#define dXSUB_SYS #define HAS_KILL #define HAS_WAIT @@ -192,16 +257,16 @@ #define HAS_UTIME /**/ /* HAS_GROUP - * This symbol, if defined, indicates that the getgrnam(), - * getgrgid(), and getgrent() routines are available to - * get group entries. + * This symbol, if defined, indicates that the getgrnam() and + * getgrgid() routines are available to get group entries. + * The getgrent() has a separate definition, HAS_GETGRENT. */ #undef HAS_GROUP /**/ /* HAS_PASSWD - * This symbol, if defined, indicates that the getpwnam(), - * getpwuid(), and getpwent() routines are available to - * get password entries. + * This symbol, if defined, indicates that the getpwnam() and + * getpwuid() routines are available to get password entries. + * The getpwent() has a separate definition, HAS_GETPWENT. */ #define HAS_PASSWD /**/ @@ -216,6 +281,30 @@ */ #define USEMYBINMODE +/* Stat_t: + * This symbol holds the type used to declare buffers for information + * returned by stat(). It's usually just struct stat. It may be necessary + * to include and to get any typedef'ed + * information. + */ +/* VMS: + * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS + * is in effect, since Perl's thread.h embeds one of these structs in its + * thread data struct, and our struct mystat is a different size from the + * regular struct stat (cf. note above about having to pad struct to work + * around bug in compiler.) + * It's OK to pass one of these to the RTL's stat(), though, since the + * fields it fills are the same in each struct. + */ +#define Stat_t struct mystat + +/* USE_STAT_RDEV: +* This symbol is defined if this system has a stat structure declaring +* st_rdev +* VMS: Field exists in POSIXish version of struct stat(), but is not used. +*/ +#undef USE_STAT_RDEV /**/ + /* * 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 @@ -224,12 +313,20 @@ */ #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 #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 { @@ -251,14 +348,52 @@ struct utimbuf { 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$TIMEZONE_DIFFERENTIAL, whcih the native UTC support routines - * in VMS 6.0 or later use.* +/* Substitute our own routines for gmtime(), localtime(), and time(), + * which allow us to implement the vmsish 'time' pragma, and work + * around absence of system-level UTC support on old versions of VMS. */ #define gmtime(t) my_gmtime(t) +#define localtime(t) my_localtime(t) +#define time(t) my_time(t) + +/* If we're using an older version of VMS whose Unix signal emulation + * isn't very POSIXish, then roll our own. + */ +#if __VMS_VER < 70000000 || __DECC_VER < 50200000 +# define HOMEGROWN_POSIX_SIGNALS +#endif +#ifdef HOMEGROWN_POSIX_SIGNALS +# define sigemptyset(t) my_sigemptyset(t) +# define sigfillset(t) my_sigfillset(t) +# define sigaddset(t, u) my_sigaddset(t, u) +# define sigdelset(t, u) my_sigdelset(t, u) +# define sigismember(t, u) my_sigismember(t, u) +# define sigprocmask(t, u, v) my_sigprocmask(t, u, v) +# ifndef _SIGSET_T + typedef int sigset_t; +# endif + /* The tools for sigprocmask() are there, just not the routine itself */ +# ifndef SIG_UNBLOCK +# define SIG_UNBLOCK 1 +# endif +# ifndef SIG_BLOCK +# define SIG_BLOCK 2 +# endif +# ifndef SIG_SETMASK +# define SIG_SETMASK 3 +# endif +# define sigaction sigvec +# define sa_flags sv_onstack +# define sa_handler sv_handler +# define sa_mask sv_mask +# define sigsuspend(set) sigpause(*set) +# define sigpending(a) (not_here("sigpending"),0) +#endif /* VMS doesn't use a real sys_nerr, but we need this when scanning for error * messages in text strings . . . @@ -269,6 +404,9 @@ struct utimbuf { /* Look up new %ENV values on the fly */ #define DYNAMIC_ENV_FETCH 1 #define ENV_HV_NAME "%EnV%VmS%" + /* Special getenv function for retrieving %ENV elements. */ +#define ENV_getenv(v) my_getenv(v) + /* Thin jacket around cuserid() tomatch Unix' calling sequence */ #define getlogin my_getlogin @@ -276,18 +414,17 @@ struct utimbuf { /* Ditto for sys$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, in August, 1990. - * This code has no copyright. */ /* Data structure returned by READDIR(). */ struct dirent { @@ -371,12 +508,24 @@ struct mystat char st_fab_rat; /* record attributes */ char st_fab_fsz; /* fixed header size */ unsigned st_dev; /* encoded device name */ + /* Pad struct out to integral number of longwords, since DECC 5.6/VAX + * has a bug in dealing with offsets in structs in which are embedded + * other structs whose size is an odd number of bytes. (An even + * number of bytes is enough to make it happy, but we go for natural + * alignment anyhow.) + */ + char st_fill1[sizeof(void *) - (3*sizeof(unsigned short) + 3*sizeof(char))%sizeof(void *)]; }; -#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 @@ -397,16 +546,41 @@ typedef unsigned myino_t; * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form * name_(()); */ + +#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 *)); -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 *)); @@ -419,25 +593,35 @@ char * tounixpath _((char *, char *)); char * tounixpath_ts _((char *, char *)); char * tovmspath _((char *, char *)); char * tovmspath_ts _((char *, char *)); -void getredirection _(()); +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)); -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 *)); +#ifdef HOMEGROWN_POSIX_SIGNALS +int my_sigemptyset _((sigset_t *)); +int my_sigfillset _((sigset_t *)); +int my_sigaddset _((sigset_t *, int)); +int my_sigdelset _((sigset_t *, int)); +int my_sigismember _((sigset_t *, int)); +int my_sigprocmask _((int, sigset_t *, sigset_t *)); +#endif 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, Stat_t *)); +int flex_stat _((char *, Stat_t *)); +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_aspawn _((void *, void **, void **)); 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)); @@ -445,10 +629,24 @@ 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