/* vms.c
*
* VMS-specific routines for perl5
+ * Version: 5.7.0
*
- * Last revised: 20-Aug-1999 by Charles Bailey bailey@newman.upenn.edu
- * Version: 5.5.60
+ * August 2000 tweaks to vms_image_init, my_flush, my_fwrite, cando_by_name,
+ * and Perl_cando by Craig Berry
+ * 29-Aug-2000 Charles Lane's piping improvements rolled in
+ * 20-Aug-1999 revisions by Charles Bailey bailey@newman.upenn.edu
*/
+#include <accdef.h>
#include <acedef.h>
#include <acldef.h>
#include <armdef.h>
#include <clidef.h>
#include <climsgdef.h>
#include <descrip.h>
+#include <devdef.h>
#include <dvidef.h>
#include <fibdef.h>
#include <float.h>
#include <libdef.h>
#include <lib$routines.h>
#include <lnmdef.h>
+#include <msgdef.h>
#include <prvdef.h>
#include <psldef.h>
#include <rms.h>
# define SS$_NOSUCHOBJECT 2696
#endif
+/* We implement I/O here, so we will be mixing PerlIO and stdio calls. */
+#define PERLIO_NOT_STDIO 0
+
/* Don't replace system definitions of vfork, getenv, and stat,
* code below needs to get to the underlying CRTL routines. */
#define DONT_MASK_RTL_CALLS
# define WARN_INTERNAL WARN_MISC
#endif
+#if defined(__VMS_VER) && __VMS_VER >= 70000000 && __DECC_VER >= 50200000
+# define RTL_USES_UTC 1
+#endif
+
+
/* gcc's header files don't #define direct access macros
* corresponding to VAXC's variant structs */
#ifdef __GNUC__
#define expand_wild_cards(a,b,c,d) mp_expand_wild_cards(aTHX_ a,b,c,d)
#define getredirection(a,b) mp_getredirection(aTHX_ a,b)
+/* see system service docs for $TRNLNM -- NOT the same as LNM$_MAX_INDEX */
+#define PERL_LNM_MAX_ALLOWED_INDEX 127
+
static char *__mystrtolower(char *str)
{
if (str) for (; *str; ++str) *str= tolower(*str);
/* Temp for subprocess commands */
static struct dsc$descriptor_s VMScmd = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,Nullch};
+#ifndef RTL_USES_UTC
+static int tz_updated = 1;
+#endif
+
/*{{{int vmstrnenv(const char *lnm, char *eqv, unsigned long int idx, struct dsc$descriptor_s **tabvec, unsigned long int flags) */
int
-Perl_vmstrnenv(pTHX_ const char *lnm, char *eqv, unsigned long int idx,
+Perl_vmstrnenv(const char *lnm, char *eqv, unsigned long int idx,
struct dsc$descriptor_s **tabvec, unsigned long int flags)
{
char uplnm[LNM$C_NAMLENGTH+1], *cp1, *cp2;
{LNM$C_NAMLENGTH, LNM$_STRING, eqv, &eqvlen},
{0, 0, 0, 0}};
$DESCRIPTOR(crtlenv,"CRTL_ENV"); $DESCRIPTOR(clisym,"CLISYM");
-#if defined(USE_THREADS)
+#if defined(PERL_IMPLICIT_CONTEXT)
+ pTHX = NULL;
+# if defined(USE_5005THREADS)
/* We jump through these hoops because we can be called at */
/* platform-specific initialization time, which is before anything is */
/* set up--we can't even do a plain dTHX since that relies on the */
/* interpreter structure to be initialized */
- struct perl_thread *thr;
if (PL_curinterp) {
- thr = PL_threadnum? THR : (struct perl_thread*)SvPVX(PL_thrsv);
+ aTHX = PL_threadnum? THR : (struct perl_thread*)SvPVX(PL_thrsv);
} else {
- thr = NULL;
+ aTHX = NULL;
}
+# else
+ if (PL_curinterp) {
+ aTHX = PERL_GET_INTERP;
+ } else {
+ aTHX = NULL;
+ }
+
+# endif
#endif
- if (!lnm || !eqv || idx > LNM$_MAX_INDEX) {
+ if (!lnm || !eqv || idx > PERL_LNM_MAX_ALLOWED_INDEX) {
set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return 0;
}
for (cp1 = (char *)lnm, cp2 = uplnm; *cp1; cp1++, cp2++) {
/* fully initialized, in which case either thr or PL_curcop */
/* might be bogus. We have to check, since ckWARN needs them */
/* both to be valid if running threaded */
-#if defined(USE_THREADS)
+#if defined(USE_5005THREADS)
if (thr && PL_curcop) {
#endif
if (ckWARN(WARN_MISC)) {
Perl_warner(aTHX_ WARN_MISC,"Value of CLI symbol \"%s\" too long",lnm);
}
-#if defined(USE_THREADS)
+#if defined(USE_5005THREADS)
} else {
Perl_warner(aTHX_ WARN_MISC,"Value of CLI symbol \"%s\" too long",lnm);
}
static char __my_getenv_eqv[LNM$C_NAMLENGTH+1];
char uplnm[LNM$C_NAMLENGTH+1], *cp1, *cp2, *eqv;
unsigned long int idx = 0;
- int trnsuccess;
+ int trnsuccess, success, secure, saverr, savvmserr;
SV *tmpsv;
if (PL_curinterp) { /* Perl interpreter running -- may be threaded */
lnm = uplnm;
}
/* Impose security constraints only if tainting */
- if (sys) sys = PL_curinterp ? PL_tainting : will_taint;
- if (vmstrnenv(lnm,eqv,idx,
- sys ? fildev : NULL,
+ if (sys) {
+ /* Impose security constraints only if tainting */
+ secure = PL_curinterp ? PL_tainting : will_taint;
+ saverr = errno; savvmserr = vaxc$errno;
+ }
+ else secure = 0;
+ success = vmstrnenv(lnm,eqv,idx,
+ secure ? fildev : NULL,
#ifdef SECURE_INTERNAL_GETENV
- sys ? PERL__TRNENV_SECURE : 0
+ secure ? PERL__TRNENV_SECURE : 0
#else
- 0
+ 0
#endif
- )) return eqv;
- else return Nullch;
+ );
+ /* Discard NOLOGNAM on internal calls since we're often looking
+ * for an optional name, and this "error" often shows up as the
+ * (bogus) exit status for a die() call later on. */
+ if (sys && vaxc$errno == SS$_NOLOGNAM) SETERRNO(saverr,savvmserr);
+ return success ? eqv : Nullch;
}
} /* end of my_getenv() */
/*{{{ SV *my_getenv_len(const char *lnm, bool sys)*/
char *
-my_getenv_len(const char *lnm, unsigned long *len, bool sys)
+Perl_my_getenv_len(pTHX_ const char *lnm, unsigned long *len, bool sys)
{
- dTHX;
char *buf, *cp1, *cp2;
unsigned long idx = 0;
static char __my_getenv_len_eqv[LNM$C_NAMLENGTH+1];
+ int secure, saverr, savvmserr;
SV *tmpsv;
if (PL_curinterp) { /* Perl interpreter running -- may be threaded */
idx = strtoul(cp2+1,NULL,0);
lnm = buf;
}
- /* Impose security constraints only if tainting */
- if (sys) sys = PL_curinterp ? PL_tainting : will_taint;
- if ((*len = vmstrnenv(lnm,buf,idx,
- sys ? fildev : NULL,
+ if (sys) {
+ /* Impose security constraints only if tainting */
+ secure = PL_curinterp ? PL_tainting : will_taint;
+ saverr = errno; savvmserr = vaxc$errno;
+ }
+ else secure = 0;
+ *len = vmstrnenv(lnm,buf,idx,
+ secure ? fildev : NULL,
#ifdef SECURE_INTERNAL_GETENV
- sys ? PERL__TRNENV_SECURE : 0
+ secure ? PERL__TRNENV_SECURE : 0
#else
- 0
+ 0
#endif
- )))
- return buf;
- else
- return Nullch;
+ );
+ /* Discard NOLOGNAM on internal calls since we're often looking
+ * for an optional name, and this "error" often shows up as the
+ * (bogus) exit status for a die() call later on. */
+ if (sys && vaxc$errno == SS$_NOLOGNAM) SETERRNO(saverr,savvmserr);
+ return *len ? buf : Nullch;
}
} /* end of my_getenv_len() */
/*}}}*/
-static void create_mbx(unsigned short int *, struct dsc$descriptor_s *);
+static void create_mbx(pTHX_ unsigned short int *, struct dsc$descriptor_s *);
static void riseandshine(unsigned long int dummy) { sys$wake(0,0); }
* find, in preparation for iterating over it.
*/
{
- dTHX;
static int primed = 0;
HV *seenhv = NULL, *envhv;
+ SV *sv = NULL;
char cmd[LNM$C_NAMLENGTH+24], mbxnam[LNM$C_NAMLENGTH], *buf = Nullch;
unsigned short int chan;
#ifndef CLI$M_TRUSTED
$DESCRIPTOR(clidsc,"DCL"); $DESCRIPTOR(clitabdsc,"DCLTABLES");
$DESCRIPTOR(crtlenv,"CRTL_ENV"); $DESCRIPTOR(clisym,"CLISYM");
$DESCRIPTOR(local,"_LOCAL"); $DESCRIPTOR(mbxdsc,mbxnam);
-#if defined(USE_THREADS) || defined(USE_ITHREADS)
+#if defined(PERL_IMPLICIT_CONTEXT)
+ pTHX;
+#endif
+#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
static perl_mutex primenv_mutex;
MUTEX_INIT(&primenv_mutex);
#endif
+#if defined(PERL_IMPLICIT_CONTEXT)
+ /* We jump through these hoops because we can be called at */
+ /* platform-specific initialization time, which is before anything is */
+ /* set up--we can't even do a plain dTHX since that relies on the */
+ /* interpreter structure to be initialized */
+#if defined(USE_5005THREADS)
+ if (PL_curinterp) {
+ aTHX = PL_threadnum? THR : (struct perl_thread*)SvPVX(PL_thrsv);
+ } else {
+ aTHX = NULL;
+ }
+#else
+ if (PL_curinterp) {
+ aTHX = PERL_GET_INTERP;
+ } else {
+ aTHX = NULL;
+ }
+#endif
+#endif
+
if (primed || !PL_envgv) return;
MUTEX_LOCK(&primenv_mutex);
if (primed) { MUTEX_UNLOCK(&primenv_mutex); return; }
}
else {
start++;
- (void) hv_store(envhv,environ[j],start - environ[j] - 1,
- newSVpv(start,0),0);
+ sv = newSVpv(start,0);
+ SvTAINTED_on(sv);
+ (void) hv_store(envhv,environ[j],start - environ[j] - 1,sv,0);
}
}
continue;
continue;
}
PERL_HASH(hash,key,keylen);
- hv_store(envhv,key,keylen,newSVpvn(cp2,cp1 - cp2 + 1),hash);
+ sv = newSVpvn(cp2,cp1 - cp2 + 1);
+ SvTAINTED_on(sv);
+ hv_store(envhv,key,keylen,sv,hash);
hv_store(seenhv,key,keylen,&PL_sv_yes,hash);
}
if (cmddsc.dsc$w_length == 14) { /* We just read LNM$FILE_DEV */
int trnlen, i;
for (i = 0; ppfs[i]; i++) {
trnlen = vmstrnenv(ppfs[i],eqv,0,fildev,0);
- hv_store(envhv,ppfs[i],strlen(ppfs[i]),newSVpv(eqv,trnlen),0);
+ sv = newSVpv(eqv,trnlen);
+ SvTAINTED_on(sv);
+ hv_store(envhv,ppfs[i],strlen(ppfs[i]),sv,0);
}
}
}
* Like setenv() returns 0 for success, non-zero on error.
*/
int
-vmssetenv(char *lnm, char *eqv, struct dsc$descriptor_s **tabvec)
+Perl_vmssetenv(pTHX_ char *lnm, char *eqv, struct dsc$descriptor_s **tabvec)
{
char uplnm[LNM$C_NAMLENGTH], *cp1, *cp2;
unsigned short int curtab, ivlnm = 0, ivsym = 0, ivenv = 0;
tmpdsc = {6,DSC$K_DTYPE_T,DSC$K_CLASS_S,0};
$DESCRIPTOR(crtlenv,"CRTL_ENV"); $DESCRIPTOR(clisym,"CLISYM");
$DESCRIPTOR(local,"_LOCAL");
- dTHX;
for (cp1 = lnm, cp2 = uplnm; *cp1; cp1++, cp2++) {
*cp2 = _toupper(*cp1);
if ((cp1 = strchr(environ[i],'=')) &&
!strncmp(environ[i],lnm,cp1 - environ[i])) {
#ifdef HAS_SETENV
- return setenv(lnm,eqv,1) ? vaxc$errno : 0;
+ return setenv(lnm,"",1) ? vaxc$errno : 0;
}
}
ivenv = 1; retsts = SS$_NOLOGNAM;
void
Perl_my_setenv(pTHX_ char *lnm,char *eqv)
{
- if (lnm && *lnm && strlen(lnm) == 7) {
- char uplnm[8];
- int i;
- for (i = 0; lnm[i]; i++) uplnm[i] = _toupper(lnm[i]);
- if (!strcmp(uplnm,"DEFAULT")) {
- if (eqv && *eqv) chdir(eqv);
- return;
+ if (lnm && *lnm) {
+ int len = strlen(lnm);
+ if (len == 7) {
+ char uplnm[8];
+ int i;
+ for (i = 0; lnm[i]; i++) uplnm[i] = _toupper(lnm[i]);
+ if (!strcmp(uplnm,"DEFAULT")) {
+ if (eqv && *eqv) chdir(eqv);
+ return;
+ }
+ }
+#ifndef RTL_USES_UTC
+ if (len == 6 || len == 2) {
+ char uplnm[7];
+ int i;
+ for (i = 0; lnm[i]; i++) uplnm[i] = _toupper(lnm[i]);
+ uplnm[len] = '\0';
+ if (!strcmp(uplnm,"UCX$TZ")) tz_updated = 1;
+ if (!strcmp(uplnm,"TZ")) tz_updated = 1;
}
+#endif
}
(void) vmssetenv(lnm,eqv,NULL);
}
/*}}}*/
+/*{{{static void vmssetuserlnm(char *name, char *eqv);
+/* vmssetuserlnm
+ * sets a user-mode logical in the process logical name table
+ * used for redirection of sys$error
+ */
+void
+Perl_vmssetuserlnm(pTHX_ char *name, char *eqv)
+{
+ $DESCRIPTOR(d_tab, "LNM$PROCESS");
+ struct dsc$descriptor_d d_name = {0,DSC$K_DTYPE_T,DSC$K_CLASS_D,0};
+ unsigned long int iss, attr = LNM$M_CONFINE;
+ unsigned char acmode = PSL$C_USER;
+ struct itmlst_3 lnmlst[2] = {{0, LNM$_STRING, 0, 0},
+ {0, 0, 0, 0}};
+ d_name.dsc$a_pointer = name;
+ d_name.dsc$w_length = strlen(name);
+
+ lnmlst[0].buflen = strlen(eqv);
+ lnmlst[0].bufadr = eqv;
+
+ iss = sys$crelnm(&attr,&d_tab,&d_name,&acmode,lnmlst);
+ if (!(iss&1)) lib$signal(iss);
+}
+/*}}}*/
/*{{{ char *my_crypt(const char *textpasswd, const char *usrname)*/
* be upcased by the caller.
*/
char *
-my_crypt(const char *textpasswd, const char *usrname)
+Perl_my_crypt(pTHX_ const char *textpasswd, const char *usrname)
{
# ifndef UAI$C_PREFERRED_ALGORITHM
# define UAI$C_PREFERRED_ALGORITHM 127
*/
/*{{{int kill_file(char *name)*/
int
-kill_file(char *name)
+Perl_kill_file(pTHX_ char *name)
{
char vmsname[NAM$C_MAXRSS+1], rspec[NAM$C_MAXRSS+1];
unsigned long int jpicode = JPI$_UIC, type = ACL$C_FILE;
unsigned long int cxt = 0, aclsts, fndsts, rmsts = -1;
- dTHX;
struct dsc$descriptor_s fildsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
struct myacedef {
unsigned char myace$b_length;
/*{{{int my_mkdir(char *,Mode_t)*/
int
-my_mkdir(char *dir, Mode_t mode)
+Perl_my_mkdir(pTHX_ char *dir, Mode_t mode)
{
STRLEN dirlen = strlen(dir);
- dTHX;
/* zero length string sometimes gives ACCVIO */
if (dirlen == 0) return -1;
/*{{{int my_chdir(char *)*/
int
-my_chdir(char *dir)
+Perl_my_chdir(pTHX_ char *dir)
{
STRLEN dirlen = strlen(dir);
- dTHX;
/* zero length string sometimes gives ACCVIO */
if (dirlen == 0) return -1;
{
FILE *fp;
char *cp;
- dTHX;
if ((fp = tmpfile())) return fp;
/*}}}*/
+#ifndef HOMEGROWN_POSIX_SIGNALS
+/*
+ * The C RTL's sigaction fails to check for invalid signal numbers so we
+ * help it out a bit. The docs are correct, but the actual routine doesn't
+ * do what the docs say it will.
+ */
+/*{{{int Perl_my_sigaction (pTHX_ int, const struct sigaction*, struct sigaction*);*/
+int
+Perl_my_sigaction (pTHX_ int sig, const struct sigaction* act,
+ struct sigaction* oact)
+{
+ if (sig == SIGKILL || sig == SIGSTOP || sig == SIGCONT) {
+ SETERRNO(EINVAL, SS$_INVARG);
+ return -1;
+ }
+ return sigaction(sig, act, oact);
+}
+/*}}}*/
+#endif
+
+/* default piping mailbox size */
+#define PERL_BUFSIZ 512
+
+
static void
-create_mbx(unsigned short int *chan, struct dsc$descriptor_s *namdsc)
+create_mbx(pTHX_ unsigned short int *chan, struct dsc$descriptor_s *namdsc)
{
- static unsigned long int mbxbufsiz;
- long int syiitm = SYI$_MAXBUF, dviitm = DVI$_DEVNAM;
- dTHX;
+ unsigned long int mbxbufsiz;
+ static unsigned long int syssize = 0;
+ unsigned long int dviitm = DVI$_DEVNAM;
+ char csize[LNM$C_NAMLENGTH+1];
- if (!mbxbufsiz) {
+ if (!syssize) {
+ unsigned long syiitm = SYI$_MAXBUF;
/*
- * Get the SYSGEN parameter MAXBUF, and the smaller of it and the
- * preprocessor consant BUFSIZ from stdio.h as the size of the
- * 'pipe' mailbox.
+ * Get the SYSGEN parameter MAXBUF
+ *
+ * If the logical 'PERL_MBX_SIZE' is defined
+ * use the value of the logical instead of PERL_BUFSIZ, but
+ * keep the size between 128 and MAXBUF.
+ *
*/
- _ckvmssts(lib$getsyi(&syiitm, &mbxbufsiz, 0, 0, 0, 0));
- if (mbxbufsiz > BUFSIZ) mbxbufsiz = BUFSIZ;
+ _ckvmssts(lib$getsyi(&syiitm, &syssize, 0, 0, 0, 0));
}
+
+ if (vmstrnenv("PERL_MBX_SIZE", csize, 0, fildev, 0)) {
+ mbxbufsiz = atoi(csize);
+ } else {
+ mbxbufsiz = PERL_BUFSIZ;
+ }
+ if (mbxbufsiz < 128) mbxbufsiz = 128;
+ if (mbxbufsiz > syssize) mbxbufsiz = syssize;
+
_ckvmssts(sys$crembx(0,chan,mbxbufsiz,mbxbufsiz,0,0,0));
_ckvmssts(lib$getdvi(&dviitm, chan, NULL, NULL, namdsc, &namdsc->dsc$w_length));
} /* end of create_mbx() */
+
/*{{{ my_popen and my_pclose*/
+
+typedef struct _iosb IOSB;
+typedef struct _iosb* pIOSB;
+typedef struct _pipe Pipe;
+typedef struct _pipe* pPipe;
+typedef struct pipe_details Info;
+typedef struct pipe_details* pInfo;
+typedef struct _srqp RQE;
+typedef struct _srqp* pRQE;
+typedef struct _tochildbuf CBuf;
+typedef struct _tochildbuf* pCBuf;
+
+struct _iosb {
+ unsigned short status;
+ unsigned short count;
+ unsigned long dvispec;
+};
+
+#pragma member_alignment save
+#pragma nomember_alignment quadword
+struct _srqp { /* VMS self-relative queue entry */
+ unsigned long qptr[2];
+};
+#pragma member_alignment restore
+static RQE RQE_ZERO = {0,0};
+
+struct _tochildbuf {
+ RQE q;
+ int eof;
+ unsigned short size;
+ char *buf;
+};
+
+struct _pipe {
+ RQE free;
+ RQE wait;
+ int fd_out;
+ unsigned short chan_in;
+ unsigned short chan_out;
+ char *buf;
+ unsigned int bufsize;
+ IOSB iosb;
+ IOSB iosb2;
+ int *pipe_done;
+ int retry;
+ int type;
+ int shut_on_empty;
+ int need_wake;
+ pPipe *home;
+ pInfo info;
+ pCBuf curr;
+ pCBuf curr2;
+#if defined(PERL_IMPLICIT_CONTEXT)
+ void *thx; /* Either a thread or an interpreter */
+ /* pointer, depending on how we're built */
+#endif
+};
+
+
struct pipe_details
{
- struct pipe_details *next;
+ pInfo next;
PerlIO *fp; /* stdio file pointer to pipe mailbox */
int pid; /* PID of subprocess */
int mode; /* == 'r' if pipe open for reading */
int done; /* subprocess has completed */
- unsigned long int completion; /* termination status of subprocess */
+ int closing; /* my_pclose is closing this pipe */
+ unsigned long completion; /* termination status of subprocess */
+ pPipe in; /* pipe in to sub */
+ pPipe out; /* pipe out of sub */
+ pPipe err; /* pipe of sub's sys$error */
+ int in_done; /* true when in pipe finished */
+ int out_done;
+ int err_done;
};
struct exit_control_block
unsigned long int exit_status;
};
-static struct pipe_details *open_pipes = NULL;
-static $DESCRIPTOR(nl_desc, "NL:");
-static int waitpid_asleep = 0;
+#define RETRY_DELAY "0 ::0.20"
+#define MAX_RETRY 50
-/* Send an EOF to a mbx. N.B. We don't check that fp actually points
- * to a mbx; that's the caller's responsibility.
- */
-static unsigned long int
-pipe_eof(FILE *fp, int immediate)
-{
- char devnam[NAM$C_MAXRSS+1], *cp;
- unsigned long int chan, iosb[2], retsts, retsts2;
- struct dsc$descriptor devdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, devnam};
- dTHX;
+static int pipe_ef = 0; /* first call to safe_popen inits these*/
+static unsigned long mypid;
+static unsigned long delaytime[2];
+
+static pInfo open_pipes = NULL;
+static $DESCRIPTOR(nl_desc, "NL:");
- if (fgetname(fp,devnam,1)) {
- /* It oughta be a mailbox, so fgetname should give just the device
- * name, but just in case . . . */
- if ((cp = strrchr(devnam,':')) != NULL) *(cp+1) = '\0';
- devdsc.dsc$w_length = strlen(devnam);
- _ckvmssts(sys$assign(&devdsc,&chan,0,0));
- retsts = sys$qiow(0,chan,IO$_WRITEOF|(immediate?IO$M_NOW|IO$M_NORSWAIT:0),
- iosb,0,0,0,0,0,0,0,0);
- if (retsts & 1) retsts = iosb[0];
- retsts2 = sys$dassgn(chan); /* Be sure to deassign the channel */
- if (retsts & 1) retsts = retsts2;
- _ckvmssts(retsts);
- return retsts;
- }
- else _ckvmssts(vaxc$errno); /* Should never happen */
- return (unsigned long int) vaxc$errno;
-}
static unsigned long int
-pipe_exit_routine()
+pipe_exit_routine(pTHX)
{
- struct pipe_details *info;
+ pInfo info;
unsigned long int retsts = SS$_NORMAL, abort = SS$_TIMEOUT;
- int sts, did_stuff;
- dTHX;
+ int sts, did_stuff, need_eof;
/*
first we try sending an EOF...ignore if doesn't work, make sure we
while (info) {
int need_eof;
_ckvmssts(sys$setast(0));
- need_eof = info->mode != 'r' && !info->done;
- _ckvmssts(sys$setast(1));
- if (need_eof) {
- if (pipe_eof(info->fp, 1) & 1) did_stuff = 1;
+ if (info->in && !info->in->shut_on_empty) {
+ _ckvmssts(sys$qio(0,info->in->chan_in,IO$_WRITEOF,0,0,0,
+ 0, 0, 0, 0, 0, 0));
+ did_stuff = 1;
}
+ _ckvmssts(sys$setast(1));
info = info->next;
}
if (did_stuff) sleep(1); /* wait for EOF to have an effect */
if (!info->done) { /* We tried to be nice . . . */
sts = sys$delprc(&info->pid,0);
if (!(sts&1) && sts != SS$_NONEXPR) _ckvmssts(sts);
- info->done = 1; /* so my_pclose doesn't try to write EOF */
}
_ckvmssts(sys$setast(1));
info = info->next;
return retsts;
}
-static struct exit_control_block pipe_exitblock =
- {(struct exit_control_block *) 0,
- pipe_exit_routine, 0, &pipe_exitblock.exit_status, 0};
+static struct exit_control_block pipe_exitblock =
+ {(struct exit_control_block *) 0,
+ pipe_exit_routine, 0, &pipe_exitblock.exit_status, 0};
+
+static void pipe_mbxtofd_ast(pPipe p);
+static void pipe_tochild1_ast(pPipe p);
+static void pipe_tochild2_ast(pPipe p);
+
+static void
+popen_completion_ast(pInfo info)
+{
+ pInfo i = open_pipes;
+ int iss;
+
+ while (i) {
+ if (i == info) break;
+ i = i->next;
+ }
+ if (!i) return; /* unlinked, probably freed too */
+
+ info->completion &= 0x0FFFFFFF; /* strip off "control" field */
+ info->done = TRUE;
+
+/*
+ Writing to subprocess ...
+ if my_pclose'd: EOF already sent, should shutdown chan_in part of pipe
+
+ chan_out may be waiting for "done" flag, or hung waiting
+ for i/o completion to child...cancel the i/o. This will
+ put it into "snarf mode" (done but no EOF yet) that discards
+ input.
+
+ Output from subprocess (stdout, stderr) needs to be flushed and
+ shut down. We try sending an EOF, but if the mbx is full the pipe
+ routine should still catch the "shut_on_empty" flag, telling it to
+ use immediate-style reads so that "mbx empty" -> EOF.
+
+
+*/
+ if (info->in && !info->in_done) { /* only for mode=w */
+ if (info->in->shut_on_empty && info->in->need_wake) {
+ info->in->need_wake = FALSE;
+ _ckvmssts_noperl(sys$dclast(pipe_tochild2_ast,info->in,0));
+ } else {
+ _ckvmssts_noperl(sys$cancel(info->in->chan_out));
+ }
+ }
+
+ if (info->out && !info->out_done) { /* were we also piping output? */
+ info->out->shut_on_empty = TRUE;
+ iss = sys$qio(0,info->out->chan_in,IO$_WRITEOF|IO$M_NORSWAIT, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+ if (iss == SS$_MBFULL) iss = SS$_NORMAL;
+ _ckvmssts_noperl(iss);
+ }
+
+ if (info->err && !info->err_done) { /* we were piping stderr */
+ info->err->shut_on_empty = TRUE;
+ iss = sys$qio(0,info->err->chan_in,IO$_WRITEOF|IO$M_NORSWAIT, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+ if (iss == SS$_MBFULL) iss = SS$_NORMAL;
+ _ckvmssts_noperl(iss);
+ }
+ _ckvmssts_noperl(sys$setef(pipe_ef));
+
+}
+
+static unsigned long int setup_cmddsc(pTHX_ char *cmd, int check_img);
+static void vms_execfree(pTHX);
+
+/*
+ we actually differ from vmstrnenv since we use this to
+ get the RMS IFI to check if SYS$OUTPUT and SYS$ERROR *really*
+ are pointing to the same thing
+*/
+
+static unsigned short
+popen_translate(pTHX_ char *logical, char *result)
+{
+ int iss;
+ $DESCRIPTOR(d_table,"LNM$PROCESS_TABLE");
+ $DESCRIPTOR(d_log,"");
+ struct _il3 {
+ unsigned short length;
+ unsigned short code;
+ char * buffer_addr;
+ unsigned short *retlenaddr;
+ } itmlst[2];
+ unsigned short l, ifi;
+
+ d_log.dsc$a_pointer = logical;
+ d_log.dsc$w_length = strlen(logical);
+
+ itmlst[0].code = LNM$_STRING;
+ itmlst[0].length = 255;
+ itmlst[0].buffer_addr = result;
+ itmlst[0].retlenaddr = &l;
+
+ itmlst[1].code = 0;
+ itmlst[1].length = 0;
+ itmlst[1].buffer_addr = 0;
+ itmlst[1].retlenaddr = 0;
+
+ iss = sys$trnlnm(0, &d_table, &d_log, 0, itmlst);
+ if (iss == SS$_NOLOGNAM) {
+ iss = SS$_NORMAL;
+ l = 0;
+ }
+ if (!(iss&1)) lib$signal(iss);
+ result[l] = '\0';
+/*
+ logicals for PPFs have a 4 byte prefix ESC+NUL+(RMS IFI)
+ strip it off and return the ifi, if any
+*/
+ ifi = 0;
+ if (result[0] == 0x1b && result[1] == 0x00) {
+ memcpy(&ifi,result+2,2);
+ strcpy(result,result+4);
+ }
+ return ifi; /* this is the RMS internal file id */
+}
+
+#define MAX_DCL_SYMBOL 255
+static void pipe_infromchild_ast(pPipe p);
+
+/*
+ I'm using LIB$(GET|FREE)_VM here so that we can allocate and deallocate
+ inside an AST routine without worrying about reentrancy and which Perl
+ memory allocator is being used.
+
+ We read data and queue up the buffers, then spit them out one at a
+ time to the output mailbox when the output mailbox is ready for one.
+
+*/
+#define INITIAL_TOCHILDQUEUE 2
+
+static pPipe
+pipe_tochild_setup(pTHX_ char *rmbx, char *wmbx)
+{
+ pPipe p;
+ pCBuf b;
+ char mbx1[64], mbx2[64];
+ struct dsc$descriptor_s d_mbx1 = {sizeof mbx1, DSC$K_DTYPE_T,
+ DSC$K_CLASS_S, mbx1},
+ d_mbx2 = {sizeof mbx2, DSC$K_DTYPE_T,
+ DSC$K_CLASS_S, mbx2};
+ unsigned int dviitm = DVI$_DEVBUFSIZ;
+ int j, n;
+
+ New(1368, p, 1, Pipe);
+
+ create_mbx(aTHX_ &p->chan_in , &d_mbx1);
+ create_mbx(aTHX_ &p->chan_out, &d_mbx2);
+ _ckvmssts(lib$getdvi(&dviitm, &p->chan_in, 0, &p->bufsize));
+
+ p->buf = 0;
+ p->shut_on_empty = FALSE;
+ p->need_wake = FALSE;
+ p->type = 0;
+ p->retry = 0;
+ p->iosb.status = SS$_NORMAL;
+ p->iosb2.status = SS$_NORMAL;
+ p->free = RQE_ZERO;
+ p->wait = RQE_ZERO;
+ p->curr = 0;
+ p->curr2 = 0;
+ p->info = 0;
+#ifdef PERL_IMPLICIT_CONTEXT
+ p->thx = aTHX;
+#endif
+
+ n = sizeof(CBuf) + p->bufsize;
+
+ for (j = 0; j < INITIAL_TOCHILDQUEUE; j++) {
+ _ckvmssts(lib$get_vm(&n, &b));
+ b->buf = (char *) b + sizeof(CBuf);
+ _ckvmssts(lib$insqhi(b, &p->free));
+ }
+
+ pipe_tochild2_ast(p);
+ pipe_tochild1_ast(p);
+ strcpy(wmbx, mbx1);
+ strcpy(rmbx, mbx2);
+ return p;
+}
+
+/* reads the MBX Perl is writing, and queues */
+
+static void
+pipe_tochild1_ast(pPipe p)
+{
+ pCBuf b = p->curr;
+ int iss = p->iosb.status;
+ int eof = (iss == SS$_ENDOFFILE);
+#ifdef PERL_IMPLICIT_CONTEXT
+ pTHX = p->thx;
+#endif
+
+ if (p->retry) {
+ if (eof) {
+ p->shut_on_empty = TRUE;
+ b->eof = TRUE;
+ _ckvmssts(sys$dassgn(p->chan_in));
+ } else {
+ _ckvmssts(iss);
+ }
+
+ b->eof = eof;
+ b->size = p->iosb.count;
+ _ckvmssts(lib$insqhi(b, &p->wait));
+ if (p->need_wake) {
+ p->need_wake = FALSE;
+ _ckvmssts(sys$dclast(pipe_tochild2_ast,p,0));
+ }
+ } else {
+ p->retry = 1; /* initial call */
+ }
+
+ if (eof) { /* flush the free queue, return when done */
+ int n = sizeof(CBuf) + p->bufsize;
+ while (1) {
+ iss = lib$remqti(&p->free, &b);
+ if (iss == LIB$_QUEWASEMP) return;
+ _ckvmssts(iss);
+ _ckvmssts(lib$free_vm(&n, &b));
+ }
+ }
+
+ iss = lib$remqti(&p->free, &b);
+ if (iss == LIB$_QUEWASEMP) {
+ int n = sizeof(CBuf) + p->bufsize;
+ _ckvmssts(lib$get_vm(&n, &b));
+ b->buf = (char *) b + sizeof(CBuf);
+ } else {
+ _ckvmssts(iss);
+ }
+
+ p->curr = b;
+ iss = sys$qio(0,p->chan_in,
+ IO$_READVBLK|(p->shut_on_empty ? IO$M_NOWAIT : 0),
+ &p->iosb,
+ pipe_tochild1_ast, p, b->buf, p->bufsize, 0, 0, 0, 0);
+ if (iss == SS$_ENDOFFILE && p->shut_on_empty) iss = SS$_NORMAL;
+ _ckvmssts(iss);
+}
+
+
+/* writes queued buffers to output, waits for each to complete before
+ doing the next */
+
+static void
+pipe_tochild2_ast(pPipe p)
+{
+ pCBuf b = p->curr2;
+ int iss = p->iosb2.status;
+ int n = sizeof(CBuf) + p->bufsize;
+ int done = (p->info && p->info->done) ||
+ iss == SS$_CANCEL || iss == SS$_ABORT;
+#if defined(PERL_IMPLICIT_CONTEXT)
+ pTHX = p->thx;
+#endif
+
+ do {
+ if (p->type) { /* type=1 has old buffer, dispose */
+ if (p->shut_on_empty) {
+ _ckvmssts(lib$free_vm(&n, &b));
+ } else {
+ _ckvmssts(lib$insqhi(b, &p->free));
+ }
+ p->type = 0;
+ }
+
+ iss = lib$remqti(&p->wait, &b);
+ if (iss == LIB$_QUEWASEMP) {
+ if (p->shut_on_empty) {
+ if (done) {
+ _ckvmssts(sys$dassgn(p->chan_out));
+ *p->pipe_done = TRUE;
+ _ckvmssts(sys$setef(pipe_ef));
+ } else {
+ _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEOF,
+ &p->iosb2, pipe_tochild2_ast, p, 0, 0, 0, 0, 0, 0));
+ }
+ return;
+ }
+ p->need_wake = TRUE;
+ return;
+ }
+ _ckvmssts(iss);
+ p->type = 1;
+ } while (done);
+
+
+ p->curr2 = b;
+ if (b->eof) {
+ _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEOF,
+ &p->iosb2, pipe_tochild2_ast, p, 0, 0, 0, 0, 0, 0));
+ } else {
+ _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEVBLK,
+ &p->iosb2, pipe_tochild2_ast, p, b->buf, b->size, 0, 0, 0, 0));
+ }
+
+ return;
+
+}
+
+
+static pPipe
+pipe_infromchild_setup(pTHX_ char *rmbx, char *wmbx)
+{
+ pPipe p;
+ char mbx1[64], mbx2[64];
+ struct dsc$descriptor_s d_mbx1 = {sizeof mbx1, DSC$K_DTYPE_T,
+ DSC$K_CLASS_S, mbx1},
+ d_mbx2 = {sizeof mbx2, DSC$K_DTYPE_T,
+ DSC$K_CLASS_S, mbx2};
+ unsigned int dviitm = DVI$_DEVBUFSIZ;
+
+ New(1367, p, 1, Pipe);
+ create_mbx(aTHX_ &p->chan_in , &d_mbx1);
+ create_mbx(aTHX_ &p->chan_out, &d_mbx2);
+
+ _ckvmssts(lib$getdvi(&dviitm, &p->chan_in, 0, &p->bufsize));
+ New(1367, p->buf, p->bufsize, char);
+ p->shut_on_empty = FALSE;
+ p->info = 0;
+ p->type = 0;
+ p->iosb.status = SS$_NORMAL;
+#if defined(PERL_IMPLICIT_CONTEXT)
+ p->thx = aTHX;
+#endif
+ pipe_infromchild_ast(p);
+
+ strcpy(wmbx, mbx1);
+ strcpy(rmbx, mbx2);
+ return p;
+}
+
+static void
+pipe_infromchild_ast(pPipe p)
+{
+ int iss = p->iosb.status;
+ int eof = (iss == SS$_ENDOFFILE);
+ int myeof = (eof && (p->iosb.dvispec == mypid || p->iosb.dvispec == 0));
+ int kideof = (eof && (p->iosb.dvispec == p->info->pid));
+#if defined(PERL_IMPLICIT_CONTEXT)
+ pTHX = p->thx;
+#endif
+
+ if (p->info && p->info->closing && p->chan_out) { /* output shutdown */
+ _ckvmssts(sys$dassgn(p->chan_out));
+ p->chan_out = 0;
+ }
+
+ /* read completed:
+ input shutdown if EOF from self (done or shut_on_empty)
+ output shutdown if closing flag set (my_pclose)
+ send data/eof from child or eof from self
+ otherwise, re-read (snarf of data from child)
+ */
+
+ if (p->type == 1) {
+ p->type = 0;
+ if (myeof && p->chan_in) { /* input shutdown */
+ _ckvmssts(sys$dassgn(p->chan_in));
+ p->chan_in = 0;
+ }
+
+ if (p->chan_out) {
+ if (myeof || kideof) { /* pass EOF to parent */
+ _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEOF, &p->iosb,
+ pipe_infromchild_ast, p,
+ 0, 0, 0, 0, 0, 0));
+ return;
+ } else if (eof) { /* eat EOF --- fall through to read*/
+
+ } else { /* transmit data */
+ _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEVBLK,&p->iosb,
+ pipe_infromchild_ast,p,
+ p->buf, p->iosb.count, 0, 0, 0, 0));
+ return;
+ }
+ }
+ }
+
+ /* everything shut? flag as done */
+
+ if (!p->chan_in && !p->chan_out) {
+ *p->pipe_done = TRUE;
+ _ckvmssts(sys$setef(pipe_ef));
+ return;
+ }
+
+ /* write completed (or read, if snarfing from child)
+ if still have input active,
+ queue read...immediate mode if shut_on_empty so we get EOF if empty
+ otherwise,
+ check if Perl reading, generate EOFs as needed
+ */
+
+ if (p->type == 0) {
+ p->type = 1;
+ if (p->chan_in) {
+ iss = sys$qio(0,p->chan_in,IO$_READVBLK|(p->shut_on_empty ? IO$M_NOW : 0),&p->iosb,
+ pipe_infromchild_ast,p,
+ p->buf, p->bufsize, 0, 0, 0, 0);
+ if (p->shut_on_empty && iss == SS$_ENDOFFILE) iss = SS$_NORMAL;
+ _ckvmssts(iss);
+ } else { /* send EOFs for extra reads */
+ p->iosb.status = SS$_ENDOFFILE;
+ p->iosb.dvispec = 0;
+ _ckvmssts(sys$qio(0,p->chan_out,IO$_SETMODE|IO$M_READATTN,
+ 0, 0, 0,
+ pipe_infromchild_ast, p, 0, 0, 0, 0));
+ }
+ }
+}
+
+static pPipe
+pipe_mbxtofd_setup(pTHX_ int fd, char *out)
+{
+ pPipe p;
+ char mbx[64];
+ unsigned long dviitm = DVI$_DEVBUFSIZ;
+ struct stat s;
+ struct dsc$descriptor_s d_mbx = {sizeof mbx, DSC$K_DTYPE_T,
+ DSC$K_CLASS_S, mbx};
+
+ /* things like terminals and mbx's don't need this filter */
+ if (fd && fstat(fd,&s) == 0) {
+ unsigned long dviitm = DVI$_DEVCHAR, devchar;
+ struct dsc$descriptor_s d_dev = {strlen(s.st_dev), DSC$K_DTYPE_T,
+ DSC$K_CLASS_S, s.st_dev};
+
+ _ckvmssts(lib$getdvi(&dviitm,0,&d_dev,&devchar,0,0));
+ if (!(devchar & DEV$M_DIR)) { /* non directory structured...*/
+ strcpy(out, s.st_dev);
+ return 0;
+ }
+ }
+
+ New(1366, p, 1, Pipe);
+ p->fd_out = dup(fd);
+ create_mbx(aTHX_ &p->chan_in, &d_mbx);
+ _ckvmssts(lib$getdvi(&dviitm, &p->chan_in, 0, &p->bufsize));
+ New(1366, p->buf, p->bufsize+1, char);
+ p->shut_on_empty = FALSE;
+ p->retry = 0;
+ p->info = 0;
+ strcpy(out, mbx);
+
+ _ckvmssts(sys$qio(0, p->chan_in, IO$_READVBLK, &p->iosb,
+ pipe_mbxtofd_ast, p,
+ p->buf, p->bufsize, 0, 0, 0, 0));
+
+ return p;
+}
+
+static void
+pipe_mbxtofd_ast(pPipe p)
+{
+ int iss = p->iosb.status;
+ int done = p->info->done;
+ int iss2;
+ int eof = (iss == SS$_ENDOFFILE);
+ int myeof = eof && ((p->iosb.dvispec == mypid)||(p->iosb.dvispec == 0));
+ int err = !(iss&1) && !eof;
+#if defined(PERL_IMPLICIT_CONTEXT)
+ pTHX = p->thx;
+#endif
+
+ if (done && myeof) { /* end piping */
+ close(p->fd_out);
+ sys$dassgn(p->chan_in);
+ *p->pipe_done = TRUE;
+ _ckvmssts(sys$setef(pipe_ef));
+ return;
+ }
+
+ if (!err && !eof) { /* good data to send to file */
+ p->buf[p->iosb.count] = '\n';
+ iss2 = write(p->fd_out, p->buf, p->iosb.count+1);
+ if (iss2 < 0) {
+ p->retry++;
+ if (p->retry < MAX_RETRY) {
+ _ckvmssts(sys$setimr(0,delaytime,pipe_mbxtofd_ast,p));
+ return;
+ }
+ }
+ p->retry = 0;
+ } else if (err) {
+ _ckvmssts(iss);
+ }
+
+
+ iss = sys$qio(0, p->chan_in, IO$_READVBLK|(p->shut_on_empty ? IO$M_NOW : 0), &p->iosb,
+ pipe_mbxtofd_ast, p,
+ p->buf, p->bufsize, 0, 0, 0, 0);
+ if (p->shut_on_empty && (iss == SS$_ENDOFFILE)) iss = SS$_NORMAL;
+ _ckvmssts(iss);
+}
+
+
+typedef struct _pipeloc PLOC;
+typedef struct _pipeloc* pPLOC;
+
+struct _pipeloc {
+ pPLOC next;
+ char dir[NAM$C_MAXRSS+1];
+};
+static pPLOC head_PLOC = 0;
+
+void
+free_pipelocs(pTHX_ void *head)
+{
+ pPLOC p, pnext;
+
+ p = (pPLOC) head;
+ while (p) {
+ pnext = p->next;
+ Safefree(p);
+ p = pnext;
+ }
+}
+
+static void
+store_pipelocs(pTHX)
+{
+ int i;
+ pPLOC p;
+ AV *av = GvAVn(PL_incgv);
+ SV *dirsv;
+ GV *gv;
+ char *dir, *x;
+ char *unixdir;
+ char temp[NAM$C_MAXRSS+1];
+ STRLEN n_a;
+
+/* the . directory from @INC comes last */
+
+ New(1370,p,1,PLOC);
+ p->next = head_PLOC;
+ head_PLOC = p;
+ strcpy(p->dir,"./");
+
+/* get the directory from $^X */
+
+ if (PL_origargv && PL_origargv[0]) { /* maybe nul if embedded Perl */
+ strcpy(temp, PL_origargv[0]);
+ x = strrchr(temp,']');
+ if (x) x[1] = '\0';
+
+ if ((unixdir = tounixpath(temp, Nullch)) != Nullch) {
+ New(1370,p,1,PLOC);
+ p->next = head_PLOC;
+ head_PLOC = p;
+ strncpy(p->dir,unixdir,sizeof(p->dir)-1);
+ p->dir[NAM$C_MAXRSS] = '\0';
+ }
+ }
+
+/* reverse order of @INC entries, skip "." since entered above */
+
+ for (i = 0; i <= AvFILL(av); i++) {
+ dirsv = *av_fetch(av,i,TRUE);
+
+ if (SvROK(dirsv)) continue;
+ dir = SvPVx(dirsv,n_a);
+ if (strcmp(dir,".") == 0) continue;
+ if ((unixdir = tounixpath(dir, Nullch)) == Nullch)
+ continue;
+
+ New(1370,p,1,PLOC);
+ p->next = head_PLOC;
+ head_PLOC = p;
+ strncpy(p->dir,unixdir,sizeof(p->dir)-1);
+ p->dir[NAM$C_MAXRSS] = '\0';
+ }
+
+/* most likely spot (ARCHLIB) put first in the list */
+
+#ifdef ARCHLIB_EXP
+ if ((unixdir = tounixpath(ARCHLIB_EXP, Nullch)) != Nullch) {
+ New(1370,p,1,PLOC);
+ p->next = head_PLOC;
+ head_PLOC = p;
+ strncpy(p->dir,unixdir,sizeof(p->dir)-1);
+ p->dir[NAM$C_MAXRSS] = '\0';
+ }
+#endif
+ Perl_call_atexit(aTHX_ &free_pipelocs, head_PLOC);
+}
+
+
+static char *
+find_vmspipe(pTHX)
+{
+ static int vmspipe_file_status = 0;
+ static char vmspipe_file[NAM$C_MAXRSS+1];
+
+ /* already found? Check and use ... need read+execute permission */
+
+ if (vmspipe_file_status == 1) {
+ if (cando_by_name(S_IRUSR, 0, vmspipe_file)
+ && cando_by_name(S_IXUSR, 0, vmspipe_file)) {
+ return vmspipe_file;
+ }
+ vmspipe_file_status = 0;
+ }
+
+ /* scan through stored @INC, $^X */
+
+ if (vmspipe_file_status == 0) {
+ char file[NAM$C_MAXRSS+1];
+ pPLOC p = head_PLOC;
+
+ while (p) {
+ strcpy(file, p->dir);
+ strncat(file, "vmspipe.com",NAM$C_MAXRSS);
+ file[NAM$C_MAXRSS] = '\0';
+ p = p->next;
+
+ if (!do_tovmsspec(file,vmspipe_file,0)) continue;
+
+ if (cando_by_name(S_IRUSR, 0, vmspipe_file)
+ && cando_by_name(S_IXUSR, 0, vmspipe_file)) {
+ vmspipe_file_status = 1;
+ return vmspipe_file;
+ }
+ }
+ vmspipe_file_status = -1; /* failed, use tempfiles */
+ }
+
+ return 0;
+}
+
+static FILE *
+vmspipe_tempfile(pTHX)
+{
+ char file[NAM$C_MAXRSS+1];
+ FILE *fp;
+ static int index = 0;
+ stat_t s0, s1;
+
+ /* create a tempfile */
+
+ /* we can't go from W, shr=get to R, shr=get without
+ an intermediate vulnerable state, so don't bother trying...
+
+ and lib$spawn doesn't shr=put, so have to close the write
+
+ So... match up the creation date/time and the FID to
+ make sure we're dealing with the same file
+
+ */
+ index++;
+ sprintf(file,"sys$scratch:perlpipe_%08.8x_%d.com",mypid,index);
+ fp = fopen(file,"w");
+ if (!fp) {
+ sprintf(file,"sys$login:perlpipe_%08.8x_%d.com",mypid,index);
+ fp = fopen(file,"w");
+ if (!fp) {
+ sprintf(file,"sys$disk:[]perlpipe_%08.8x_%d.com",mypid,index);
+ fp = fopen(file,"w");
+ }
+ }
+ if (!fp) return 0; /* we're hosed */
+
+ fprintf(fp,"$! 'f$verify(0)\n");
+ fprintf(fp,"$! --- protect against nonstandard definitions ---\n");
+ fprintf(fp,"$ perl_cfile = f$environment(\"procedure\")\n");
+ fprintf(fp,"$ perl_define = \"define/nolog\"\n");
+ fprintf(fp,"$ perl_on = \"set noon\"\n");
+ fprintf(fp,"$ perl_exit = \"exit\"\n");
+ fprintf(fp,"$ perl_del = \"delete\"\n");
+ fprintf(fp,"$ pif = \"if\"\n");
+ fprintf(fp,"$! --- define i/o redirection (sys$output set by lib$spawn)\n");
+ fprintf(fp,"$ pif perl_popen_in .nes. \"\" then perl_define/user/name_attributes=confine sys$input 'perl_popen_in'\n");
+ fprintf(fp,"$ pif perl_popen_err .nes. \"\" then perl_define/user/name_attributes=confine sys$error 'perl_popen_err'\n");
+ fprintf(fp,"$ pif perl_popen_out .nes. \"\" then perl_define sys$output 'perl_popen_out'\n");
+ fprintf(fp,"$ cmd = perl_popen_cmd\n");
+ fprintf(fp,"$! --- get rid of global symbols\n");
+ fprintf(fp,"$ perl_del/symbol/global perl_popen_in\n");
+ fprintf(fp,"$ perl_del/symbol/global perl_popen_err\n");
+ fprintf(fp,"$ perl_del/symbol/global perl_popen_out\n");
+ fprintf(fp,"$ perl_del/symbol/global perl_popen_cmd\n");
+ fprintf(fp,"$ perl_on\n");
+ fprintf(fp,"$ 'cmd\n");
+ fprintf(fp,"$ perl_status = $STATUS\n");
+ fprintf(fp,"$ perl_del 'perl_cfile'\n");
+ fprintf(fp,"$ perl_exit 'perl_status'\n");
+ fsync(fileno(fp));
+
+ fgetname(fp, file, 1);
+ fstat(fileno(fp), &s0);
+ fclose(fp);
+
+ fp = fopen(file,"r","shr=get");
+ if (!fp) return 0;
+ fstat(fileno(fp), &s1);
+
+ if (s0.st_ino[0] != s1.st_ino[0] ||
+ s0.st_ino[1] != s1.st_ino[1] ||
+ s0.st_ino[2] != s1.st_ino[2] ||
+ s0.st_ctime != s1.st_ctime ) {
+ fclose(fp);
+ return 0;
+ }
-static void
-popen_completion_ast(struct pipe_details *thispipe)
-{
- thispipe->done = TRUE;
- if (waitpid_asleep) {
- waitpid_asleep = 0;
- sys$wake(0,0);
- }
+ return fp;
}
-static unsigned long int setup_cmddsc(char *cmd, int check_img);
-static void vms_execfree(pTHX);
+
static PerlIO *
-safe_popen(char *cmd, char *mode)
+safe_popen(pTHX_ char *cmd, char *mode)
{
static int handler_set_up = FALSE;
- char mbxname[64];
- unsigned short int chan;
unsigned long int sts, flags=1; /* nowait - gnu c doesn't allow &1 */
- dTHX;
- struct pipe_details *info;
- struct dsc$descriptor_s namdsc = {sizeof mbxname, DSC$K_DTYPE_T,
- DSC$K_CLASS_S, mbxname},
- cmddsc = {0, DSC$K_DTYPE_T,
+ unsigned int table = LIB$K_CLI_GLOBAL_SYM;
+ char *p, symbol[MAX_DCL_SYMBOL+1], *vmspipe;
+ char in[512], out[512], err[512], mbx[512];
+ FILE *tpipe = 0;
+ char tfilebuf[NAM$C_MAXRSS+1];
+ pInfo info;
+ struct dsc$descriptor_s d_symbol= {0, DSC$K_DTYPE_T,
+ DSC$K_CLASS_S, symbol};
+ struct dsc$descriptor_s vmspipedsc = {0, DSC$K_DTYPE_T,
DSC$K_CLASS_S, 0};
-
-
- if (!(setup_cmddsc(cmd,0) & 1)) { set_errno(EINVAL); return Nullfp; }
- New(1301,info,1,struct pipe_details);
- /* create mailbox */
- create_mbx(&chan,&namdsc);
+ $DESCRIPTOR(d_sym_cmd,"PERL_POPEN_CMD");
+ $DESCRIPTOR(d_sym_in ,"PERL_POPEN_IN");
+ $DESCRIPTOR(d_sym_out,"PERL_POPEN_OUT");
+ $DESCRIPTOR(d_sym_err,"PERL_POPEN_ERR");
+
+ /* once-per-program initialization...
+ note that the SETAST calls and the dual test of pipe_ef
+ makes sure that only the FIRST thread through here does
+ the initialization...all other threads wait until it's
+ done.
+
+ Yeah, uglier than a pthread call, it's got all the stuff inline
+ rather than in a separate routine.
+ */
- /* open a FILE* onto it */
- info->fp = PerlIO_open(mbxname, mode);
+ if (!pipe_ef) {
+ _ckvmssts(sys$setast(0));
+ if (!pipe_ef) {
+ unsigned long int pidcode = JPI$_PID;
+ $DESCRIPTOR(d_delay, RETRY_DELAY);
+ _ckvmssts(lib$get_ef(&pipe_ef));
+ _ckvmssts(lib$getjpi(&pidcode,0,0,&mypid,0,0));
+ _ckvmssts(sys$bintim(&d_delay, delaytime));
+ }
+ if (!handler_set_up) {
+ _ckvmssts(sys$dclexh(&pipe_exitblock));
+ handler_set_up = TRUE;
+ }
+ _ckvmssts(sys$setast(1));
+ }
- /* give up other channel onto it */
- _ckvmssts(sys$dassgn(chan));
+ /* see if we can find a VMSPIPE.COM */
- if (!info->fp)
+ tfilebuf[0] = '@';
+ vmspipe = find_vmspipe(aTHX);
+ if (vmspipe) {
+ strcpy(tfilebuf+1,vmspipe);
+ } else { /* uh, oh...we're in tempfile hell */
+ tpipe = vmspipe_tempfile(aTHX);
+ if (!tpipe) { /* a fish popular in Boston */
+ if (ckWARN(WARN_PIPE)) {
+ Perl_warner(aTHX_ WARN_PIPE,"unable to find VMSPIPE.COM for i/o piping");
+ }
return Nullfp;
+ }
+ fgetname(tpipe,tfilebuf+1,1);
+ }
+ vmspipedsc.dsc$a_pointer = tfilebuf;
+ vmspipedsc.dsc$w_length = strlen(tfilebuf);
+
+ sts = setup_cmddsc(aTHX_ cmd,0);
+ if (!(sts & 1)) {
+ switch (sts) {
+ case RMS$_FNF: case RMS$_DNF:
+ set_errno(ENOENT); break;
+ case RMS$_DIR:
+ set_errno(ENOTDIR); break;
+ case RMS$_DEV:
+ set_errno(ENODEV); break;
+ case RMS$_PRV:
+ set_errno(EACCES); break;
+ case RMS$_SYN:
+ set_errno(EINVAL); break;
+ case CLI$_BUFOVF: case RMS$_RTB: case CLI$_TKNOVF: case CLI$_RSLOVF:
+ set_errno(E2BIG); break;
+ case LIB$_INVARG: case LIB$_INVSTRDES: case SS$_ACCVIO: /* shouldn't happen */
+ _ckvmssts(sts); /* fall through */
+ default: /* SS$_DUPLNAM, SS$_CLI, resource exhaustion, etc. */
+ set_errno(EVMSERR);
+ }
+ set_vaxc_errno(sts);
+ if (ckWARN(WARN_PIPE)) {
+ Perl_warner(aTHX_ WARN_PIPE,"Can't pipe \"%*s\": %s", strlen(cmd), cmd, Strerror(errno));
+ }
+ return Nullfp;
+ }
+ New(1301,info,1,Info);
info->mode = *mode;
info->done = FALSE;
- info->completion=0;
+ info->completion = 0;
+ info->closing = FALSE;
+ info->in = 0;
+ info->out = 0;
+ info->err = 0;
+ info->in_done = TRUE;
+ info->out_done = TRUE;
+ info->err_done = TRUE;
+ in[0] = out[0] = err[0] = '\0';
+
+ if (*mode == 'r') { /* piping from subroutine */
+
+ info->out = pipe_infromchild_setup(aTHX_ mbx,out);
+ if (info->out) {
+ info->out->pipe_done = &info->out_done;
+ info->out_done = FALSE;
+ info->out->info = info;
+ }
+ info->fp = PerlIO_open(mbx, mode);
+ if (!info->fp && info->out) {
+ sys$cancel(info->out->chan_out);
- if (*mode == 'r') {
- _ckvmssts(lib$spawn(&VMScmd, &nl_desc, &namdsc, &flags,
- 0 /* name */, &info->pid, &info->completion,
- 0, popen_completion_ast,info,0,0,0));
- }
- else {
- _ckvmssts(lib$spawn(&VMScmd, &namdsc, 0 /* sys$output */, &flags,
- 0 /* name */, &info->pid, &info->completion,
- 0, popen_completion_ast,info,0,0,0));
- }
+ while (!info->out_done) {
+ int done;
+ _ckvmssts(sys$setast(0));
+ done = info->out_done;
+ if (!done) _ckvmssts(sys$clref(pipe_ef));
+ _ckvmssts(sys$setast(1));
+ if (!done) _ckvmssts(sys$waitfr(pipe_ef));
+ }
- vms_execfree(aTHX);
- if (!handler_set_up) {
- _ckvmssts(sys$dclexh(&pipe_exitblock));
- handler_set_up = TRUE;
+ if (info->out->buf) Safefree(info->out->buf);
+ Safefree(info->out);
+ Safefree(info);
+ return Nullfp;
+ }
+
+ info->err = pipe_mbxtofd_setup(aTHX_ fileno(stderr), err);
+ if (info->err) {
+ info->err->pipe_done = &info->err_done;
+ info->err_done = FALSE;
+ info->err->info = info;
+ }
+
+ } else { /* piping to subroutine , mode=w*/
+
+ info->in = pipe_tochild_setup(aTHX_ in,mbx);
+ info->fp = PerlIO_open(mbx, mode);
+ if (info->in) {
+ info->in->pipe_done = &info->in_done;
+ info->in_done = FALSE;
+ info->in->info = info;
+ }
+
+ /* error cleanup */
+ if (!info->fp && info->in) {
+ info->done = TRUE;
+ _ckvmssts(sys$qiow(0,info->in->chan_in, IO$_WRITEOF, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0));
+
+ while (!info->in_done) {
+ int done;
+ _ckvmssts(sys$setast(0));
+ done = info->in_done;
+ if (!done) _ckvmssts(sys$clref(pipe_ef));
+ _ckvmssts(sys$setast(1));
+ if (!done) _ckvmssts(sys$waitfr(pipe_ef));
+ }
+
+ if (info->in->buf) Safefree(info->in->buf);
+ Safefree(info->in);
+ Safefree(info);
+ return Nullfp;
+ }
+
+
+ info->out = pipe_mbxtofd_setup(aTHX_ fileno(stdout), out);
+ if (info->out) {
+ info->out->pipe_done = &info->out_done;
+ info->out_done = FALSE;
+ info->out->info = info;
+ }
+
+ info->err = pipe_mbxtofd_setup(aTHX_ fileno(stderr), err);
+ if (info->err) {
+ info->err->pipe_done = &info->err_done;
+ info->err_done = FALSE;
+ info->err->info = info;
+ }
}
+
+ symbol[MAX_DCL_SYMBOL] = '\0';
+
+ strncpy(symbol, in, MAX_DCL_SYMBOL);
+ d_symbol.dsc$w_length = strlen(symbol);
+ _ckvmssts(lib$set_symbol(&d_sym_in, &d_symbol, &table));
+
+ strncpy(symbol, err, MAX_DCL_SYMBOL);
+ d_symbol.dsc$w_length = strlen(symbol);
+ _ckvmssts(lib$set_symbol(&d_sym_err, &d_symbol, &table));
+
+ strncpy(symbol, out, MAX_DCL_SYMBOL);
+ d_symbol.dsc$w_length = strlen(symbol);
+ _ckvmssts(lib$set_symbol(&d_sym_out, &d_symbol, &table));
+
+ p = VMScmd.dsc$a_pointer;
+ while (*p && *p != '\n') p++;
+ *p = '\0'; /* truncate on \n */
+ p = VMScmd.dsc$a_pointer;
+ while (*p == ' ' || *p == '\t') p++; /* remove leading whitespace */
+ if (*p == '$') p++; /* remove leading $ */
+ while (*p == ' ' || *p == '\t') p++;
+ strncpy(symbol, p, MAX_DCL_SYMBOL);
+ d_symbol.dsc$w_length = strlen(symbol);
+ _ckvmssts(lib$set_symbol(&d_sym_cmd, &d_symbol, &table));
+
+ _ckvmssts(sys$setast(0));
info->next=open_pipes; /* prepend to list */
open_pipes=info;
+ _ckvmssts(sys$setast(1));
+ _ckvmssts(lib$spawn(&vmspipedsc, &nl_desc, &nl_desc, &flags,
+ 0, &info->pid, &info->completion,
+ 0, popen_completion_ast,info,0,0,0));
+
+ /* if we were using a tempfile, close it now */
+
+ if (tpipe) fclose(tpipe);
+
+ /* once the subprocess is spawned, its copied the symbols and
+ we can get rid of ours */
+
+ _ckvmssts(lib$delete_symbol(&d_sym_cmd, &table));
+ _ckvmssts(lib$delete_symbol(&d_sym_in, &table));
+ _ckvmssts(lib$delete_symbol(&d_sym_err, &table));
+ _ckvmssts(lib$delete_symbol(&d_sym_out, &table));
+ vms_execfree(aTHX);
PL_forkprocess = info->pid;
return info->fp;
} /* end of safe_popen */
-/*{{{ FILE *my_popen(char *cmd, char *mode)*/
-FILE *
+/*{{{ PerlIO *my_popen(char *cmd, char *mode)*/
+PerlIO *
Perl_my_popen(pTHX_ char *cmd, char *mode)
{
TAINT_ENV();
TAINT_PROPER("popen");
PERL_FLUSHALL_FOR_CHILD;
- return safe_popen(cmd,mode);
+ return safe_popen(aTHX_ cmd,mode);
}
/*}}}*/
-/*{{{ I32 my_pclose(FILE *fp)*/
-I32 Perl_my_pclose(pTHX_ FILE *fp)
+/*{{{ I32 my_pclose(PerlIO *fp)*/
+I32 Perl_my_pclose(pTHX_ PerlIO *fp)
{
- struct pipe_details *info, *last = NULL;
+ pInfo info, last = NULL;
unsigned long int retsts;
- int need_eof;
+ int done, iss;
for (info = open_pipes; info != NULL; last = info, info = info->next)
if (info->fp == fp) break;
/* If we were writing to a subprocess, insure that someone reading from
* the mailbox gets an EOF. It looks like a simple fclose() doesn't
- * produce an EOF record in the mailbox. */
+ * produce an EOF record in the mailbox.
+ *
+ * well, at least sometimes it *does*, so we have to watch out for
+ * the first EOF closing the pipe (and DASSGN'ing the channel)...
+ */
+
+ PerlIO_flush(info->fp); /* first, flush data */
+
_ckvmssts(sys$setast(0));
- need_eof = info->mode != 'r' && !info->done;
+ info->closing = TRUE;
+ done = info->done && info->in_done && info->out_done && info->err_done;
+ /* hanging on write to Perl's input? cancel it */
+ if (info->mode == 'r' && info->out && !info->out_done) {
+ if (info->out->chan_out) {
+ _ckvmssts(sys$cancel(info->out->chan_out));
+ if (!info->out->chan_in) { /* EOF generation, need AST */
+ _ckvmssts(sys$dclast(pipe_infromchild_ast,info->out,0));
+ }
+ }
+ }
+ if (info->in && !info->in_done && !info->in->shut_on_empty) /* EOF if hasn't had one yet */
+ _ckvmssts(sys$qio(0,info->in->chan_in,IO$_WRITEOF,0,0,0,
+ 0, 0, 0, 0, 0, 0));
_ckvmssts(sys$setast(1));
- if (need_eof) pipe_eof(info->fp,0);
PerlIO_close(info->fp);
- if (info->done) retsts = info->completion;
- else waitpid(info->pid,(int *) &retsts,0);
+ /*
+ we have to wait until subprocess completes, but ALSO wait until all
+ the i/o completes...otherwise we'll be freeing the "info" structure
+ that the i/o ASTs could still be using...
+ */
+
+ while (!done) {
+ _ckvmssts(sys$setast(0));
+ done = info->done && info->in_done && info->out_done && info->err_done;
+ if (!done) _ckvmssts(sys$clref(pipe_ef));
+ _ckvmssts(sys$setast(1));
+ if (!done) _ckvmssts(sys$waitfr(pipe_ef));
+ }
+ retsts = info->completion;
/* remove from list of open pipes */
_ckvmssts(sys$setast(0));
if (last) last->next = info->next;
else open_pipes = info->next;
_ckvmssts(sys$setast(1));
+
+ /* free buffers and structures */
+
+ if (info->in) {
+ if (info->in->buf) Safefree(info->in->buf);
+ Safefree(info->in);
+ }
+ if (info->out) {
+ if (info->out->buf) Safefree(info->out->buf);
+ Safefree(info->out);
+ }
+ if (info->err) {
+ if (info->err->buf) Safefree(info->err->buf);
+ Safefree(info->err);
+ }
Safefree(info);
return retsts;
} /* end of my_pclose() */
-/* sort-of waitpid; use only with popen() */
+#if defined(__CRTL_VER) && __CRTL_VER >= 70100322
+ /* Roll our own prototype because we want this regardless of whether
+ * _VMS_WAIT is defined.
+ */
+ __pid_t __vms_waitpid( __pid_t __pid, int *__stat_loc, int __options );
+#endif
+/* sort-of waitpid; special handling of pipe clean-up for subprocesses
+ created with popen(); otherwise partially emulate waitpid() unless
+ we have a suitable one from the CRTL that came with VMS 7.2 and later.
+ Also check processes not considered by the CRTL waitpid().
+ */
/*{{{Pid_t my_waitpid(Pid_t pid, int *statusp, int flags)*/
Pid_t
-my_waitpid(Pid_t pid, int *statusp, int flags)
+Perl_my_waitpid(pTHX_ Pid_t pid, int *statusp, int flags)
{
- struct pipe_details *info;
- dTHX;
+ pInfo info;
+ int done;
+ int sts;
+
+ if (statusp) *statusp = 0;
for (info = open_pipes; info != NULL; info = info->next)
if (info->pid == pid) break;
if (info != NULL) { /* we know about this child */
while (!info->done) {
- waitpid_asleep = 1;
- sys$hiber();
+ _ckvmssts(sys$setast(0));
+ done = info->done;
+ if (!done) _ckvmssts(sys$clref(pipe_ef));
+ _ckvmssts(sys$setast(1));
+ if (!done) _ckvmssts(sys$waitfr(pipe_ef));
}
- *statusp = info->completion;
+ if (statusp) *statusp = info->completion;
return pid;
+
}
- else { /* we haven't heard of this child */
+ else { /* this child is not one of our own pipe children */
+
+#if defined(__CRTL_VER) && __CRTL_VER >= 70100322
+
+ /* waitpid() became available in the CRTL as of VMS 7.0, but only
+ * in 7.2 did we get a version that fills in the VMS completion
+ * status as Perl has always tried to do.
+ */
+
+ sts = __vms_waitpid( pid, statusp, flags );
+
+ if ( sts == 0 || !(sts == -1 && errno == ECHILD) )
+ return sts;
+
+ /* If the real waitpid tells us the child does not exist, we
+ * fall through here to implement waiting for a child that
+ * was created by some means other than exec() (say, spawned
+ * from DCL) or to wait for a process that is not a subprocess
+ * of the current process.
+ */
+
+#endif /* defined(__CRTL_VER) && __CRTL_VER >= 70100322 */
+
$DESCRIPTOR(intdsc,"0 00:00:01");
- unsigned long int ownercode = JPI$_OWNER, ownerpid, mypid;
- unsigned long int interval[2],sts;
+ unsigned long int ownercode = JPI$_OWNER, ownerpid;
+ unsigned long int pidcode = JPI$_PID, mypid;
+ unsigned long int interval[2];
+ int termination_mbu = 0;
+ unsigned short qio_iosb[4];
+ unsigned int jpi_iosb[2];
+ struct itmlst_3 jpilist[3] = {
+ {sizeof(ownerpid), JPI$_OWNER, &ownerpid, 0},
+ {sizeof(termination_mbu), JPI$_TMBU, &termination_mbu, 0},
+ { 0, 0, 0, 0}
+ };
+ char trmmbx[NAM$C_DVI+1];
+ $DESCRIPTOR(trmmbxdsc,trmmbx);
+ struct accdef trmmsg;
+ unsigned short int mbxchan;
+
+ if (pid <= 0) {
+ /* Sorry folks, we don't presently implement rooting around for
+ the first child we can find, and we definitely don't want to
+ pass a pid of -1 to $getjpi, where it is a wildcard operation.
+ */
+ set_errno(ENOTSUP);
+ return -1;
+ }
+
+ /* Get the owner of the child so I can warn if it's not mine, plus
+ * get the termination mailbox. If the process doesn't exist or I
+ * don't have the privs to look at it, I can go home early.
+ */
+ sts = sys$getjpiw(0,&pid,NULL,&jpilist,&jpi_iosb,NULL,NULL);
+ if (sts & 1) sts = jpi_iosb[0];
+ if (!(sts & 1)) {
+ switch (sts) {
+ case SS$_NONEXPR:
+ set_errno(ECHILD);
+ break;
+ case SS$_NOPRIV:
+ set_errno(EACCES);
+ break;
+ default:
+ _ckvmssts(sts);
+ }
+ set_vaxc_errno(sts);
+ return -1;
+ }
if (ckWARN(WARN_EXEC)) {
- _ckvmssts(lib$getjpi(&ownercode,&pid,0,&ownerpid,0,0));
- _ckvmssts(lib$getjpi(&ownercode,0,0,&mypid,0,0));
+ /* remind folks they are asking for non-standard waitpid behavior */
+ _ckvmssts(lib$getjpi(&pidcode,0,0,&mypid,0,0));
if (ownerpid != mypid)
- Perl_warner(aTHX_ WARN_EXEC,"pid %x not a child",pid);
+ Perl_warner(aTHX_ WARN_EXEC,
+ "waitpid: process %x is not a child of process %x",
+ pid,mypid);
}
- _ckvmssts(sys$bintim(&intdsc,interval));
- while ((sts=lib$getjpi(&ownercode,&pid,0,&ownerpid,0,0)) & 1) {
- _ckvmssts(sys$schdwk(0,0,interval,0));
- _ckvmssts(sys$hiber());
+ /* It's possible to have a mailbox unit number but no actual mailbox; we
+ * check for this by assigning a channel to it, which we need anyway.
+ */
+ if (termination_mbu != 0) {
+ sprintf(trmmbx, "MBA%d:", termination_mbu);
+ trmmbxdsc.dsc$w_length = strlen(trmmbx);
+ sts = sys$assign(&trmmbxdsc, &mbxchan, 0, 0);
+ if (sts == SS$_NOSUCHDEV) {
+ termination_mbu = 0; /* set up to take "no mailbox" case */
+ sts = SS$_NORMAL;
+ }
+ _ckvmssts(sts);
}
- _ckvmssts(sts);
-
- /* There's no easy way to find the termination status a child we're
- * not aware of beforehand. If we're really interested in the future,
- * we can go looking for a termination mailbox, or chase after the
- * accounting record for the process.
+ /* If the process doesn't have a termination mailbox, then simply check
+ * on it once a second until it's not there anymore.
*/
- *statusp = 0;
+ if (termination_mbu == 0) {
+ _ckvmssts(sys$bintim(&intdsc,interval));
+ while ((sts=lib$getjpi(&ownercode,&pid,0,&ownerpid,0,0)) & 1) {
+ _ckvmssts(sys$schdwk(0,0,interval,0));
+ _ckvmssts(sys$hiber());
+ }
+ if (sts == SS$_NONEXPR) sts = SS$_NORMAL;
+ }
+ else {
+ /* If we do have a termination mailbox, post reads to it until we get a
+ * termination message, discarding messages of the wrong type or for other
+ * processes. If there is a place to put the final status, then do so.
+ */
+ sts = SS$_NORMAL;
+ while (sts & 1) {
+ memset((void *) &trmmsg, 0, sizeof(trmmsg));
+ sts = sys$qiow(0,mbxchan,IO$_READVBLK,&qio_iosb,0,0,
+ &trmmsg,ACC$K_TERMLEN,0,0,0,0);
+ if (sts & 1) sts = qio_iosb[0];
+
+ if ( sts & 1
+ && trmmsg.acc$w_msgtyp == MSG$_DELPROC
+ && trmmsg.acc$l_pid == pid ) {
+
+ if (statusp) *statusp = trmmsg.acc$l_finalsts;
+ sts = sys$dassgn(mbxchan);
+ break;
+ }
+ }
+ } /* termination_mbu ? */
+
+ _ckvmssts(sts);
return pid;
- }
+
+ } /* else one of our own pipe children */
} /* end of waitpid() */
/*}}}*/
dir[--dirlen] = '\0';
dir[dirlen-1] = ']';
}
+ if (dirlen >= 2 && !strcmp(dir+dirlen-2,".>")) {
+ dir[--dirlen] = '\0';
+ dir[dirlen-1] = '>';
+ }
if ((cp1 = strrchr(dir,']')) != NULL || (cp1 = strrchr(dir,'>')) != NULL) {
/* If we've got an explicit filename, we can just shuffle the string. */
else if (ts) New(1312,retspec,retlen+16,char);
else retspec = __fileify_retbuf;
cp1 = strstr(esa,"][");
+ if (!cp1) cp1 = strstr(esa,"]<");
dirlen = cp1 - esa;
memcpy(retspec,esa,dirlen);
if (!strncmp(cp1+2,"000000]",7)) {
static int background_process(int argc, char **argv);
-static void pipe_and_fork(char **cmargv);
+static void pipe_and_fork(pTHX_ char **cmargv);
/*{{{ void getredirection(int *ac, char ***av)*/
static void
{
if (j+1 >= argc)
{
- PerlIO_printf(Perl_debug_log,"No input file after < on command line");
+ fprintf(stderr,"No input file after < on command line");
exit(LIB$_WRONUMARG);
}
in = argv[++j];
{
if (j+1 >= argc)
{
- PerlIO_printf(Perl_debug_log,"No output file after > on command line");
+ fprintf(stderr,"No output file after > on command line");
exit(LIB$_WRONUMARG);
}
out = argv[++j];
out = 1 + ap;
if (j >= argc)
{
- PerlIO_printf(Perl_debug_log,"No output file after > or >> on command line");
+ fprintf(stderr,"No output file after > or >> on command line");
exit(LIB$_WRONUMARG);
}
continue;
err = 2 + ap;
if (j >= argc)
{
- PerlIO_printf(Perl_debug_log,"No output file after 2> or 2>> on command line");
+ fprintf(stderr,"No output file after 2> or 2>> on command line");
exit(LIB$_WRONUMARG);
}
continue;
{
if (j+1 >= argc)
{
- PerlIO_printf(Perl_debug_log,"No command into which to pipe on command line");
+ fprintf(stderr,"No command into which to pipe on command line");
exit(LIB$_WRONUMARG);
}
cmargc = argc-(j+1);
{
if (out != NULL)
{
- PerlIO_printf(Perl_debug_log,"'|' and '>' may not both be specified on command line");
+ fprintf(stderr,"'|' and '>' may not both be specified on command line");
exit(LIB$_INVARGORD);
}
- pipe_and_fork(cmargv);
+ pipe_and_fork(aTHX_ cmargv);
}
/* Check for input from a pipe (mailbox) */
/* Input from a pipe, reopen it in binary mode to disable */
/* carriage control processing. */
- PerlIO_getname(stdin, mbxname);
+ fgetname(stdin, mbxname);
mbxnam.dsc$a_pointer = mbxname;
mbxnam.dsc$w_length = strlen(mbxnam.dsc$a_pointer);
lib$getdvi(&dvi_item, 0, &mbxnam, &bufsize, 0, 0);
freopen(mbxname, "rb", stdin);
if (errno != 0)
{
- PerlIO_printf(Perl_debug_log,"Can't reopen input pipe (name: %s) in binary mode",mbxname);
+ fprintf(stderr,"Can't reopen input pipe (name: %s) in binary mode",mbxname);
exit(vaxc$errno);
}
}
if ((in != NULL) && (NULL == freopen(in, "r", stdin, "mbc=32", "mbf=2")))
{
- PerlIO_printf(Perl_debug_log,"Can't open input file %s as stdin",in);
+ fprintf(stderr,"Can't open input file %s as stdin",in);
exit(vaxc$errno);
}
if ((out != NULL) && (NULL == freopen(out, outmode, stdout, "mbc=32", "mbf=2")))
{
- PerlIO_printf(Perl_debug_log,"Can't open output file %s as stdout",out);
+ fprintf(stderr,"Can't open output file %s as stdout",out);
exit(vaxc$errno);
}
+ if (out != NULL) Perl_vmssetuserlnm(aTHX_ "SYS$OUTPUT",out);
+
if (err != NULL) {
if (strcmp(err,"&1") == 0) {
- dup2(fileno(stdout), fileno(Perl_debug_log));
+ dup2(fileno(stdout), fileno(stderr));
+ Perl_vmssetuserlnm(aTHX_ "SYS$ERROR","SYS$OUTPUT");
} else {
FILE *tmperr;
if (NULL == (tmperr = fopen(err, errmode, "mbc=32", "mbf=2")))
{
- PerlIO_printf(Perl_debug_log,"Can't open error file %s as stderr",err);
+ fprintf(stderr,"Can't open error file %s as stderr",err);
exit(vaxc$errno);
}
fclose(tmperr);
- if (NULL == freopen(err, "a", Perl_debug_log, "mbc=32", "mbf=2"))
+ if (NULL == freopen(err, "a", stderr, "mbc=32", "mbf=2"))
{
exit(vaxc$errno);
}
+ Perl_vmssetuserlnm(aTHX_ "SYS$ERROR",err);
}
}
#ifdef ARGPROC_DEBUG
0
};
-static void pipe_and_fork(char **cmargv)
+static void pipe_and_fork(pTHX_ char **cmargv)
{
char subcmd[2048];
$DESCRIPTOR(cmddsc, "");
cmddsc.dsc$a_pointer = subcmd;
cmddsc.dsc$w_length = strlen(cmddsc.dsc$a_pointer);
- create_mbx(&child_chan,&mbxdsc);
+ create_mbx(aTHX_ &child_chan,&mbxdsc);
#ifdef ARGPROC_DEBUG
PerlIO_printf(Perl_debug_log, "Pipe Mailbox Name = '%s'\n", mbxdsc.dsc$a_pointer);
PerlIO_printf(Perl_debug_log, "Sub Process Command = '%s'\n", cmddsc.dsc$a_pointer);
unsigned long int iprv[(sizeof(union prvdef) + sizeof(unsigned long int) - 1) / sizeof(unsigned long int)];
unsigned short int dummy, rlen;
struct dsc$descriptor_s **tabvec;
- dTHX;
+#if defined(PERL_IMPLICIT_CONTEXT)
+ pTHX = NULL;
+#endif
struct itmlst_3 jpilist[4] = { {sizeof iprv, JPI$_IMAGPRIV, iprv, &dummy},
{sizeof rlst, JPI$_RIGHTSLIST, rlst, &rlen},
{ sizeof rsz, JPI$_RIGHTS_SIZE, &rsz, &dummy},
{ 0, 0, 0, 0} };
- _ckvmssts(sys$getjpiw(0,NULL,NULL,jpilist,iosb,NULL,NULL));
- _ckvmssts(iosb[0]);
+ _ckvmssts_noperl(sys$getjpiw(0,NULL,NULL,jpilist,iosb,NULL,NULL));
+ _ckvmssts_noperl(iosb[0]);
for (i = 0; i < sizeof iprv / sizeof(unsigned long int); i++) {
if (iprv[i]) { /* Running image installed with privs? */
- _ckvmssts(sys$setprv(0,iprv,0,NULL)); /* Turn 'em off. */
+ _ckvmssts_noperl(sys$setprv(0,iprv,0,NULL)); /* Turn 'em off. */
will_taint = TRUE;
break;
}
if (jpilist[1].bufadr != rlst) Safefree(jpilist[1].bufadr);
jpilist[1].bufadr = New(1320,mask,rsz,unsigned long int);
jpilist[1].buflen = rsz * sizeof(unsigned long int);
- _ckvmssts(sys$getjpiw(0,NULL,NULL,&jpilist[1],iosb,NULL,NULL));
- _ckvmssts(iosb[0]);
+ _ckvmssts_noperl(sys$getjpiw(0,NULL,NULL,&jpilist[1],iosb,NULL,NULL));
+ _ckvmssts_noperl(iosb[0]);
}
mask = jpilist[1].bufadr;
/* Check attribute flags for each identifier (2nd longword); protected
tabvec[tabidx]->dsc$b_dtype = DSC$K_DTYPE_T;
tabvec[tabidx]->dsc$b_class = DSC$K_CLASS_D;
tabvec[tabidx]->dsc$a_pointer = NULL;
- _ckvmssts(lib$scopy_r_dx(&len,eqv,tabvec[tabidx]));
+ _ckvmssts_noperl(lib$scopy_r_dx(&len,eqv,tabvec[tabidx]));
}
if (tabidx) { tabvec[tabidx] = NULL; env_tables = tabvec; }
getredirection(argcp,argvp);
-#if defined(USE_THREADS) && defined(__DECC)
+#if defined(USE_5005THREADS) && ( defined(__DECC) || defined(__DECCXX) )
{
# include <reentrancy.h>
(void) decc$set_reentrancy(C$C_MULTITHREAD);
* Collect all the version numbers for the current file.
*/
static void
-collectversions(dd)
- DIR *dd;
+collectversions(pTHX_ DIR *dd)
{
struct dsc$descriptor_s pat;
struct dsc$descriptor_s res;
char *p, *text, buff[sizeof dd->entry.d_name];
int i;
unsigned long context, tmpsts;
- dTHX;
/* Convenient shorthand. */
e = &dd->entry;
*/
/*{{{ struct dirent *readdir(DIR *dd)*/
struct dirent *
-readdir(DIR *dd)
+Perl_readdir(pTHX_ DIR *dd)
{
struct dsc$descriptor_s res;
char *p, buff[sizeof dd->entry.d_name];
dd->entry.d_namlen = strlen(dd->entry.d_name);
dd->entry.vms_verscount = 0;
- if (dd->vms_wantversions) collectversions(dd);
+ if (dd->vms_wantversions) collectversions(aTHX_ dd);
return &dd->entry;
} /* end of readdir() */
*/
/*{{{ void seekdir(DIR *dd,long count)*/
void
-seekdir(DIR *dd, long count)
+Perl_seekdir(pTHX_ DIR *dd, long count)
{
int vms_wantversions;
- dTHX;
/* If we haven't done anything yet... */
if (dd->count == 0)
}
static char *
-setup_argstr(SV *really, SV **mark, SV **sp)
+setup_argstr(pTHX_ SV *really, SV **mark, SV **sp)
{
- dTHX;
char *junk, *tmps = Nullch;
register size_t cmdlen = 0;
size_t rlen;
} /* end of setup_argstr() */
+#define MAX_DCL_LINE_LENGTH 255
static unsigned long int
-setup_cmddsc(char *cmd, int check_img)
+setup_cmddsc(pTHX_ char *cmd, int check_img)
{
char vmsspec[NAM$C_MAXRSS+1], resspec[NAM$C_MAXRSS+1];
$DESCRIPTOR(defdsc,".EXE");
unsigned long int cxt = 0, flags = 1, retsts = SS$_NORMAL;
register char *s, *rest, *cp, *wordbreak;
register int isdcl;
- dTHX;
- if (strlen(cmd) >
- (sizeof(vmsspec) > sizeof(resspec) ? sizeof(resspec) : sizeof(vmsspec)))
- return LIB$_INVARG;
+ if (strlen(cmd) > MAX_DCL_LINE_LENGTH)
+ return CLI$_BUFOVF; /* continuation lines currently unsupported */
s = cmd;
while (*s && isspace(*s)) s++;
if (cando_by_name(S_IXUSR,0,resspec)) {
New(402,VMScmd.dsc$a_pointer,7 + s - resspec + (rest ? strlen(rest) : 0),char);
if (!isdcl) {
- strcpy(VMScmd.dsc$a_pointer,"$ MCR ");
+ strcpy(VMScmd.dsc$a_pointer,"$ MCR ");
} else {
strcpy(VMScmd.dsc$a_pointer,"@");
}
strcat(VMScmd.dsc$a_pointer,resspec);
if (rest) strcat(VMScmd.dsc$a_pointer,rest);
VMScmd.dsc$w_length = strlen(VMScmd.dsc$a_pointer);
- return retsts;
+ return (VMScmd.dsc$w_length > MAX_DCL_LINE_LENGTH ? CLI$_BUFOVF : retsts);
}
else retsts = RMS$_PRV;
}
else { _ckvmssts(retsts); }
}
- return (VMScmd.dsc$w_length > 255 ? CLI$_BUFOVF : retsts);
+ return (VMScmd.dsc$w_length > MAX_DCL_LINE_LENGTH ? CLI$_BUFOVF : retsts);
} /* end of setup_cmddsc() */
/* {{{ bool vms_do_aexec(SV *really,SV **mark,SV **sp) */
bool
-vms_do_aexec(SV *really,SV **mark,SV **sp)
+Perl_vms_do_aexec(pTHX_ SV *really,SV **mark,SV **sp)
{
- dTHX;
if (sp > mark) {
if (vfork_called) { /* this follows a vfork - act Unixish */
vfork_called--;
else return do_aexec(really,mark,sp);
}
/* no vfork - act VMSish */
- return vms_do_exec(setup_argstr(really,mark,sp));
+ return vms_do_exec(setup_argstr(aTHX_ really,mark,sp));
}
/* {{{bool vms_do_exec(char *cmd) */
bool
-vms_do_exec(char *cmd)
+Perl_vms_do_exec(pTHX_ char *cmd)
{
- dTHX;
if (vfork_called) { /* this follows a vfork - act Unixish */
vfork_called--;
if (vfork_called < 0) {
TAINT_ENV();
TAINT_PROPER("exec");
- if ((retsts = setup_cmddsc(cmd,1)) & 1)
+ if ((retsts = setup_cmddsc(aTHX_ cmd,1)) & 1)
retsts = lib$do_command(&VMScmd);
switch (retsts) {
set_errno(EACCES); break;
case RMS$_SYN:
set_errno(EINVAL); break;
- case CLI$_BUFOVF:
+ case CLI$_BUFOVF: case RMS$_RTB: case CLI$_TKNOVF: case CLI$_RSLOVF:
set_errno(E2BIG); break;
case LIB$_INVARG: case LIB$_INVSTRDES: case SS$_ACCVIO: /* shouldn't happen */
_ckvmssts(retsts); /* fall through */
} /* end of vms_do_exec() */
/*}}}*/
-unsigned long int do_spawn(char *);
+unsigned long int Perl_do_spawn(pTHX_ char *);
/* {{{ unsigned long int do_aspawn(void *really,void **mark,void **sp) */
unsigned long int
-do_aspawn(void *really,void **mark,void **sp)
+Perl_do_aspawn(pTHX_ void *really,void **mark,void **sp)
{
- dTHX;
- if (sp > mark) return do_spawn(setup_argstr((SV *)really,(SV **)mark,(SV **)sp));
+ if (sp > mark) return do_spawn(setup_argstr(aTHX_ (SV *)really,(SV **)mark,(SV **)sp));
return SS$_ABORT;
} /* end of do_aspawn() */
/* {{{unsigned long int do_spawn(char *cmd) */
unsigned long int
-do_spawn(char *cmd)
+Perl_do_spawn(pTHX_ char *cmd)
{
unsigned long int sts, substs, hadcmd = 1;
- dTHX;
TAINT_ENV();
TAINT_PROPER("spawn");
hadcmd = 0;
sts = lib$spawn(0,0,0,0,0,0,&substs,0,0,0,0,0,0);
}
- else if ((sts = setup_cmddsc(cmd,0)) & 1) {
- sts = lib$spawn(&VMScmd,0,0,0,0,0,&substs,0,0,0,0,0,0);
+ else {
+ sts = setup_cmddsc(aTHX_ cmd,0);
+ if (sts & 1) {
+ sts = lib$spawn(&VMScmd,0,0,0,0,0,&substs,0,0,0,0,0,0);
+ } else {
+ substs = sts; /* didn't spawn, use command setup failure for return */
+ }
}
if (!(sts & 1)) {
set_errno(EACCES); break;
case RMS$_SYN:
set_errno(EINVAL); break;
- case CLI$_BUFOVF:
+ case CLI$_BUFOVF: case RMS$_RTB: case CLI$_TKNOVF: case CLI$_RSLOVF:
set_errno(E2BIG); break;
case LIB$_INVARG: case LIB$_INVSTRDES: case SS$_ACCVIO: /* shouldn't happen */
_ckvmssts(sts); /* fall through */
} /* end of do_spawn() */
/*}}}*/
+
+static unsigned int *sockflags, sockflagsize;
+
+/*
+ * Shim fdopen to identify sockets for my_fwrite later, since the stdio
+ * routines found in some versions of the CRTL can't deal with sockets.
+ * We don't shim the other file open routines since a socket isn't
+ * likely to be opened by a name.
+ */
+/*{{{ FILE *my_fdopen(int fd, const char *mode)*/
+FILE *my_fdopen(int fd, const char *mode)
+{
+ FILE *fp = fdopen(fd, (char *) mode);
+
+ if (fp) {
+ unsigned int fdoff = fd / sizeof(unsigned int);
+ struct stat sbuf; /* native stat; we don't need flex_stat */
+ if (!sockflagsize || fdoff > sockflagsize) {
+ if (sockflags) Renew( sockflags,fdoff+2,unsigned int);
+ else New (1324,sockflags,fdoff+2,unsigned int);
+ memset(sockflags+sockflagsize,0,fdoff + 2 - sockflagsize);
+ sockflagsize = fdoff + 2;
+ }
+ if (fstat(fd,&sbuf) == 0 && S_ISSOCK(sbuf.st_mode))
+ sockflags[fdoff] |= 1 << (fd % sizeof(unsigned int));
+ }
+ return fp;
+
+}
+/*}}}*/
+
+
+/*
+ * Clear the corresponding bit when the (possibly) socket stream is closed.
+ * There still a small hole: we miss an implicit close which might occur
+ * via freopen(). >> Todo
+ */
+/*{{{ int my_fclose(FILE *fp)*/
+int my_fclose(FILE *fp) {
+ if (fp) {
+ unsigned int fd = fileno(fp);
+ unsigned int fdoff = fd / sizeof(unsigned int);
+
+ if (sockflagsize && fdoff <= sockflagsize)
+ sockflags[fdoff] &= ~(1 << fd % sizeof(unsigned int));
+ }
+ return fclose(fp);
+}
+/*}}}*/
+
+
/*
* A simple fwrite replacement which outputs itmsz*nitm chars without
* introducing record boundaries every itmsz chars.
+ * We are using fputs, which depends on a terminating null. We may
+ * well be writing binary data, so we need to accommodate not only
+ * data with nulls sprinkled in the middle but also data with no null
+ * byte at the end.
*/
-/*{{{ int my_fwrite(void *src, size_t itmsz, size_t nitm, FILE *dest)*/
+/*{{{ int my_fwrite(const void *src, size_t itmsz, size_t nitm, FILE *dest)*/
int
-my_fwrite(void *src, size_t itmsz, size_t nitm, FILE *dest)
+my_fwrite(const void *src, size_t itmsz, size_t nitm, FILE *dest)
{
- register char *cp, *end;
+ register char *cp, *end, *cpd, *data;
+ register unsigned int fd = fileno(dest);
+ register unsigned int fdoff = fd / sizeof(unsigned int);
+ int retval;
+ int bufsize = itmsz * nitm + 1;
+
+ if (fdoff < sockflagsize &&
+ (sockflags[fdoff] | 1 << (fd % sizeof(unsigned int)))) {
+ if (write(fd, src, itmsz * nitm) == EOF) return EOF;
+ return nitm;
+ }
+
+ _ckvmssts_noperl(lib$get_vm(&bufsize, &data));
+ memcpy( data, src, itmsz*nitm );
+ data[itmsz*nitm] = '\0';
- end = (char *)src + itmsz * nitm;
+ end = data + itmsz * nitm;
+ retval = (int) nitm; /* on success return # items written */
- while ((char *)src <= end) {
- for (cp = src; cp <= end; cp++) if (!*cp) break;
- if (fputs(src,dest) == EOF) return EOF;
+ cpd = data;
+ while (cpd <= end) {
+ for (cp = cpd; cp <= end; cp++) if (!*cp) break;
+ if (fputs(cpd,dest) == EOF) { retval = EOF; break; }
if (cp < end)
- if (fputc('\0',dest) == EOF) return EOF;
- src = cp + 1;
+ if (fputc('\0',dest) == EOF) { retval = EOF; break; }
+ cpd = cp + 1;
}
- return 1;
+ if (data) _ckvmssts_noperl(lib$free_vm(&bufsize, &data));
+ return retval;
} /* end of my_fwrite() */
/*}}}*/
/*{{{ int my_flush(FILE *fp)*/
int
-my_flush(FILE *fp)
+Perl_my_flush(pTHX_ FILE *fp)
{
int res;
if ((res = fflush(fp)) == 0 && fp) {
#endif
res = fsync(fileno(fp));
}
+/*
+ * If the flush succeeded but set end-of-file, we need to clear
+ * the error because our caller may check ferror(). BTW, this
+ * probably means we just flushed an empty file.
+ */
+ if (res == 0 && vaxc$errno == RMS$_EOF) clearerr(fp);
+
return res;
}
/*}}}*/
/*
* This routine does most of the work extracting the user information.
*/
-static int fillpasswd (const char *name, struct passwd *pwd)
+static int fillpasswd (pTHX_ const char *name, struct passwd *pwd)
{
- dTHX;
static struct {
unsigned char length;
char pw_gecos[UAI$S_OWNER+1];
* Get information for a named user.
*/
/*{{{struct passwd *getpwnam(char *name)*/
-struct passwd *my_getpwnam(char *name)
+struct passwd *Perl_my_getpwnam(pTHX_ char *name)
{
struct dsc$descriptor_s name_desc;
union uicdef uic;
unsigned long int status, sts;
- dTHX;
__pwdcache = __passwd_empty;
- if (!fillpasswd(name, &__pwdcache)) {
+ if (!fillpasswd(aTHX_ name, &__pwdcache)) {
/* We still may be able to determine pw_uid and pw_gid */
name_desc.dsc$w_length= strlen(name);
name_desc.dsc$b_dtype= DSC$K_DTYPE_T;
* Called by my_getpwent with uid=-1 to list all users.
*/
/*{{{struct passwd *my_getpwuid(Uid_t uid)*/
-struct passwd *my_getpwuid(Uid_t uid)
+struct passwd *Perl_my_getpwuid(pTHX_ Uid_t uid)
{
const $DESCRIPTOR(name_desc,__pw_namecache);
unsigned short lname;
union uicdef uic;
unsigned long int status;
- dTHX;
if (uid == (unsigned int) -1) {
do {
__pwdcache.pw_uid = uic.uic$l_uic;
__pwdcache.pw_gid = uic.uic$v_group;
- fillpasswd(__pw_namecache, &__pwdcache);
+ fillpasswd(aTHX_ __pw_namecache, &__pwdcache);
return &__pwdcache;
} /* end of my_getpwuid() */
* Get information for next user.
*/
/*{{{struct passwd *my_getpwent()*/
-struct passwd *my_getpwent()
+struct passwd *Perl_my_getpwent(pTHX)
{
return (my_getpwuid((unsigned int) -1));
}
* Finish searching rights database for users.
*/
/*{{{void my_endpwent()*/
-void my_endpwent()
+void Perl_my_endpwent(pTHX)
{
- dTHX;
if (contxt) {
_ckvmssts(sys$finish_rdb(&contxt));
contxt= 0;
#undef localtime
#undef time
-#if defined(__VMS_VER) && __VMS_VER >= 70000000 && __DECC_VER >= 50200000
-# define RTL_USES_UTC 1
-#endif
/*
* DEC C previous to 6.0 corrupts the behavior of the /prefix
(gmtime_emulation_type == 1 ? toloc_dst(secs) : \
((secs) + utc_offset_secs))))
+#ifndef RTL_USES_UTC
+/*
+
+ ucx$tz = "EST5EDT4,M4.1.0,M10.5.0" typical
+ DST starts on 1st sun of april at 02:00 std time
+ ends on last sun of october at 02:00 dst time
+ see the UCX management command reference, SET CONFIG TIMEZONE
+ for formatting info.
+
+ No, it's not as general as it should be, but then again, NOTHING
+ will handle UK times in a sensible way.
+*/
+
+
+/*
+ parse the DST start/end info:
+ (Jddd|ddd|Mmon.nth.dow)[/hh:mm:ss]
+*/
+
+static char *
+tz_parse_startend(char *s, struct tm *w, int *past)
+{
+ int dinm[] = {31,28,31,30,31,30,31,31,30,31,30,31};
+ int ly, dozjd, d, m, n, hour, min, sec, j, k;
+ time_t g;
+
+ if (!s) return 0;
+ if (!w) return 0;
+ if (!past) return 0;
+
+ ly = 0;
+ if (w->tm_year % 4 == 0) ly = 1;
+ if (w->tm_year % 100 == 0) ly = 0;
+ if (w->tm_year+1900 % 400 == 0) ly = 1;
+ if (ly) dinm[1]++;
+
+ dozjd = isdigit(*s);
+ if (*s == 'J' || *s == 'j' || dozjd) {
+ if (!dozjd && !isdigit(*++s)) return 0;
+ d = *s++ - '0';
+ if (isdigit(*s)) {
+ d = d*10 + *s++ - '0';
+ if (isdigit(*s)) {
+ d = d*10 + *s++ - '0';
+ }
+ }
+ if (d == 0) return 0;
+ if (d > 366) return 0;
+ d--;
+ if (!dozjd && d > 58 && ly) d++; /* after 28 feb */
+ g = d * 86400;
+ dozjd = 1;
+ } else if (*s == 'M' || *s == 'm') {
+ if (!isdigit(*++s)) return 0;
+ m = *s++ - '0';
+ if (isdigit(*s)) m = 10*m + *s++ - '0';
+ if (*s != '.') return 0;
+ if (!isdigit(*++s)) return 0;
+ n = *s++ - '0';
+ if (n < 1 || n > 5) return 0;
+ if (*s != '.') return 0;
+ if (!isdigit(*++s)) return 0;
+ d = *s++ - '0';
+ if (d > 6) return 0;
+ }
+
+ if (*s == '/') {
+ if (!isdigit(*++s)) return 0;
+ hour = *s++ - '0';
+ if (isdigit(*s)) hour = 10*hour + *s++ - '0';
+ if (*s == ':') {
+ if (!isdigit(*++s)) return 0;
+ min = *s++ - '0';
+ if (isdigit(*s)) min = 10*min + *s++ - '0';
+ if (*s == ':') {
+ if (!isdigit(*++s)) return 0;
+ sec = *s++ - '0';
+ if (isdigit(*s)) sec = 10*sec + *s++ - '0';
+ }
+ }
+ } else {
+ hour = 2;
+ min = 0;
+ sec = 0;
+ }
+
+ if (dozjd) {
+ if (w->tm_yday < d) goto before;
+ if (w->tm_yday > d) goto after;
+ } else {
+ if (w->tm_mon+1 < m) goto before;
+ if (w->tm_mon+1 > m) goto after;
+
+ j = (42 + w->tm_wday - w->tm_mday)%7; /*dow of mday 0 */
+ k = d - j; /* mday of first d */
+ if (k <= 0) k += 7;
+ k += 7 * ((n>4?4:n)-1); /* mday of n'th d */
+ if (n == 5 && k+7 <= dinm[w->tm_mon]) k += 7;
+ if (w->tm_mday < k) goto before;
+ if (w->tm_mday > k) goto after;
+ }
+
+ if (w->tm_hour < hour) goto before;
+ if (w->tm_hour > hour) goto after;
+ if (w->tm_min < min) goto before;
+ if (w->tm_min > min) goto after;
+ if (w->tm_sec < sec) goto before;
+ goto after;
+
+before:
+ *past = 0;
+ return s;
+after:
+ *past = 1;
+ return s;
+}
+
+
+
+
+/* parse the offset: (+|-)hh[:mm[:ss]] */
+
+static char *
+tz_parse_offset(char *s, int *offset)
+{
+ int hour = 0, min = 0, sec = 0;
+ int neg = 0;
+ if (!s) return 0;
+ if (!offset) return 0;
+
+ if (*s == '-') {neg++; s++;}
+ if (*s == '+') s++;
+ if (!isdigit(*s)) return 0;
+ hour = *s++ - '0';
+ if (isdigit(*s)) hour = hour*10+(*s++ - '0');
+ if (hour > 24) return 0;
+ if (*s == ':') {
+ if (!isdigit(*++s)) return 0;
+ min = *s++ - '0';
+ if (isdigit(*s)) min = min*10 + (*s++ - '0');
+ if (min > 59) return 0;
+ if (*s == ':') {
+ if (!isdigit(*++s)) return 0;
+ sec = *s++ - '0';
+ if (isdigit(*s)) sec = sec*10 + (*s++ - '0');
+ if (sec > 59) return 0;
+ }
+ }
+
+ *offset = (hour*60+min)*60 + sec;
+ if (neg) *offset = -*offset;
+ return s;
+}
+
+/*
+ input time is w, whatever type of time the CRTL localtime() uses.
+ sets dst, the zone, and the gmtoff (seconds)
+
+ caches the value of TZ and UCX$TZ env variables; note that
+ my_setenv looks for these and sets a flag if they're changed
+ for efficiency.
+
+ We have to watch out for the "australian" case (dst starts in
+ october, ends in april)...flagged by "reverse" and checked by
+ scanning through the months of the previous year.
+
+*/
+
+static int
+tz_parse(pTHX_ time_t *w, int *dst, char *zone, int *gmtoff)
+{
+ time_t when;
+ struct tm *w2;
+ char *s,*s2;
+ char *dstzone, *tz, *s_start, *s_end;
+ int std_off, dst_off, isdst;
+ int y, dststart, dstend;
+ static char envtz[1025]; /* longer than any logical, symbol, ... */
+ static char ucxtz[1025];
+ static char reversed = 0;
+
+ if (!w) return 0;
+
+ if (tz_updated) {
+ tz_updated = 0;
+ reversed = -1; /* flag need to check */
+ envtz[0] = ucxtz[0] = '\0';
+ tz = my_getenv("TZ",0);
+ if (tz) strcpy(envtz, tz);
+ tz = my_getenv("UCX$TZ",0);
+ if (tz) strcpy(ucxtz, tz);
+ if (!envtz[0] && !ucxtz[0]) return 0; /* we give up */
+ }
+ tz = envtz;
+ if (!*tz) tz = ucxtz;
+
+ s = tz;
+ while (isalpha(*s)) s++;
+ s = tz_parse_offset(s, &std_off);
+ if (!s) return 0;
+ if (!*s) { /* no DST, hurray we're done! */
+ isdst = 0;
+ goto done;
+ }
+
+ dstzone = s;
+ while (isalpha(*s)) s++;
+ s2 = tz_parse_offset(s, &dst_off);
+ if (s2) {
+ s = s2;
+ } else {
+ dst_off = std_off - 3600;
+ }
+
+ if (!*s) { /* default dst start/end?? */
+ if (tz != ucxtz) { /* if TZ tells zone only, UCX$TZ tells rule */
+ s = strchr(ucxtz,',');
+ }
+ if (!s || !*s) s = ",M4.1.0,M10.5.0"; /* we know we do dst, default rule */
+ }
+ if (*s != ',') return 0;
+
+ when = *w;
+ when = _toutc(when); /* convert to utc */
+ when = when - std_off; /* convert to pseudolocal time*/
+
+ w2 = localtime(&when);
+ y = w2->tm_year;
+ s_start = s+1;
+ s = tz_parse_startend(s_start,w2,&dststart);
+ if (!s) return 0;
+ if (*s != ',') return 0;
+
+ when = *w;
+ when = _toutc(when); /* convert to utc */
+ when = when - dst_off; /* convert to pseudolocal time*/
+ w2 = localtime(&when);
+ if (w2->tm_year != y) { /* spans a year, just check one time */
+ when += dst_off - std_off;
+ w2 = localtime(&when);
+ }
+ s_end = s+1;
+ s = tz_parse_startend(s_end,w2,&dstend);
+ if (!s) return 0;
+
+ if (reversed == -1) { /* need to check if start later than end */
+ int j, ds, de;
+
+ when = *w;
+ if (when < 2*365*86400) {
+ when += 2*365*86400;
+ } else {
+ when -= 365*86400;
+ }
+ w2 =localtime(&when);
+ when = when + (15 - w2->tm_yday) * 86400; /* jan 15 */
+
+ for (j = 0; j < 12; j++) {
+ w2 =localtime(&when);
+ (void) tz_parse_startend(s_start,w2,&ds);
+ (void) tz_parse_startend(s_end,w2,&de);
+ if (ds != de) break;
+ when += 30*86400;
+ }
+ reversed = 0;
+ if (de && !ds) reversed = 1;
+ }
+
+ isdst = dststart && !dstend;
+ if (reversed) isdst = dststart || !dstend;
+
+done:
+ if (dst) *dst = isdst;
+ if (gmtoff) *gmtoff = isdst ? dst_off : std_off;
+ if (isdst) tz = dstzone;
+ if (zone) {
+ while(isalpha(*tz)) *zone++ = *tz++;
+ *zone = '\0';
+ }
+ return 1;
+}
+
+#endif /* !RTL_USES_UTC */
/* my_time(), my_localtime(), my_gmtime()
* By default traffic in UTC time values, using CRTL gmtime() or
*/
/*{{{time_t my_time(time_t *timep)*/
-time_t my_time(time_t *timep)
+time_t Perl_my_time(pTHX_ time_t *timep)
{
- dTHX;
time_t when;
struct tm *tm_p;
gmtime_emulation_type++;
if (!vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) {
gmtime_emulation_type++;
+ utc_offset_secs = 0;
Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC");
}
else { utc_offset_secs = atol(off); }
/*{{{struct tm *my_gmtime(const time_t *timep)*/
struct tm *
-my_gmtime(const time_t *timep)
+Perl_my_gmtime(pTHX_ const time_t *timep)
{
- dTHX;
char *p;
time_t when;
struct tm *rsltmp;
/*{{{struct tm *my_localtime(const time_t *timep)*/
struct tm *
-my_localtime(const time_t *timep)
+Perl_my_localtime(pTHX_ const time_t *timep)
{
- dTHX;
- time_t when;
+ time_t when, whenutc;
struct tm *rsltmp;
+ int dst, offset;
if (timep == NULL) {
set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
# endif
/* CRTL localtime() wants UTC as input, does tz correction itself */
return localtime(&when);
-# else
+
+# else /* !RTL_USES_UTC */
+ whenutc = when;
# ifdef VMSISH_TIME
- if (!VMSISH_TIME) when = _toloc(when); /* Input was UTC */
+ if (!VMSISH_TIME) when = _toloc(whenutc); /* input was UTC */
+ if (VMSISH_TIME) whenutc = _toutc(when); /* input was truelocal */
# endif
+ dst = -1;
+#ifndef RTL_USES_UTC
+ if (tz_parse(&when, &dst, 0, &offset)) { /* truelocal determines DST*/
+ when = whenutc - offset; /* pseudolocal time*/
+ }
# endif
/* CRTL localtime() wants local time as input, so does no tz correction */
rsltmp = localtime(&when);
- if (rsltmp && gmtime_emulation_type != 1) rsltmp->tm_isdst = -1;
+ if (rsltmp && gmtime_emulation_type != 1) rsltmp->tm_isdst = dst;
return rsltmp;
+# endif
} /* end of my_localtime() */
/*}}}*/
static const long int utime_baseadjust[2] = { 0x4beb4000, 0x7c9567 };
/*{{{int my_utime(char *path, struct utimbuf *utimes)*/
-int my_utime(char *file, struct utimbuf *utimes)
+int Perl_my_utime(pTHX_ char *file, struct utimbuf *utimes)
{
- dTHX;
register int i;
long int bintime[2], len = 2, lowbit, unixtime,
secscale = 10000000; /* seconds --> 100 ns intervals */
fnmdsc.dsc$w_length = mynam.nam$b_name + mynam.nam$b_type + mynam.nam$b_ver;
memset((void *) &myfib, 0, sizeof myfib);
-#ifdef __DECC
+#if defined(__DECC) || defined(__DECCXX)
for (i=0;i<3;i++) myfib.fib$w_fid[i] = mynam.nam$w_fid[i];
for (i=0;i<3;i++) myfib.fib$w_did[i] = mynam.nam$w_did[i];
/* This prevents the revision time of the file being reset to the current
* on the first call.
*/
#define LOCKID_MASK 0x80000000 /* Use 0 to force device name use only */
-static mydev_t encode_dev (const char *dev)
+static mydev_t encode_dev (pTHX_ const char *dev)
{
int i;
unsigned long int f;
mydev_t enc;
char c;
const char *q;
- dTHX;
if (!dev || !dev[0]) return 0;
is_null_device(name)
const char *name;
{
- dTHX;
/* The VMS null device is named "_NLA0:", usually abbreviated as "NL:".
The underscore prefix, controller letter, and unit number are
independently optional; for our purposes, the colon punctuation
bool
Perl_cando(pTHX_ Mode_t bit, Uid_t effective, Stat_t *statbufp)
{
+ char fname_phdev[NAM$C_MAXRSS+1];
if (statbufp == &PL_statcache) return cando_by_name(bit,effective,namecache);
else {
char fname[NAM$C_MAXRSS+1];
&namdsc,&namdsc.dsc$w_length,0,0);
if (retsts & 1) {
fname[namdsc.dsc$w_length] = '\0';
- return cando_by_name(bit,effective,fname);
+/*
+ * lib$fid_to_name returns DVI$_LOGVOLNAM as the device part of the name,
+ * but if someone has redefined that logical, Perl gets very lost. Since
+ * we have the physical device name from the stat buffer, just paste it on.
+ */
+ strcpy( fname_phdev, statbufp->st_devnam );
+ strcat( fname_phdev, strrchr(fname, ':') );
+
+ return cando_by_name(bit,effective,fname_phdev);
}
else if (retsts == SS$_NOSUCHDEV || retsts == SS$_NOSUCHFILE) {
Perl_warn(aTHX_ "Can't get filespec - stale stat buffer?\n");
/*{{{I32 cando_by_name(I32 bit, Uid_t effective, char *fname)*/
I32
-cando_by_name(I32 bit, Uid_t effective, char *fname)
+Perl_cando_by_name(pTHX_ I32 bit, Uid_t effective, char *fname)
{
static char usrname[L_cuserid];
static struct dsc$descriptor_s usrdsc =
char vmsname[NAM$C_MAXRSS+1], fileified[NAM$C_MAXRSS+1];
unsigned long int objtyp = ACL$C_FILE, access, retsts, privused, iosb[2];
unsigned short int retlen;
- dTHX;
struct dsc$descriptor_s namdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
union prvdef curprv;
struct itmlst_3 armlst[3] = {{sizeof access, CHP$_ACCESS, &access, &retlen},
retsts = sys$check_access(&objtyp,&namdsc,&usrdsc,armlst);
if (retsts == SS$_NOPRIV || retsts == SS$_NOSUCHOBJECT ||
retsts == SS$_INVFILFOROP || retsts == RMS$_FNF || retsts == RMS$_SYN ||
- retsts == RMS$_DIR || retsts == RMS$_DEV) {
+ retsts == RMS$_DIR || retsts == RMS$_DEV || retsts == RMS$_DNF) {
set_vaxc_errno(retsts);
if (retsts == SS$_NOPRIV) set_errno(EACCES);
else if (retsts == SS$_INVFILFOROP) set_errno(EINVAL);
if (retsts == SS$_ACCONFLICT) {
return TRUE;
}
-
-#if defined(__ALPHA) && defined(__VMS_VER) && __VMS_VER == 70100022 && defined(__DECC_VER) && __DECC_VER == 6009001
- /* XXX Hideous kluge to accomodate error in specific version of RTL;
- we hope it'll be buried soon */
- if (retsts == 114762) return TRUE;
-#endif
_ckvmssts(retsts);
return FALSE; /* Should never get here */
/*{{{ int flex_fstat(int fd, Stat_t *statbuf)*/
int
-flex_fstat(int fd, Stat_t *statbufp)
+Perl_flex_fstat(pTHX_ int fd, Stat_t *statbufp)
{
- dTHX;
if (!fstat(fd,(stat_t *) statbufp)) {
if (statbufp == (Stat_t *) &PL_statcache) *namecache == '\0';
- statbufp->st_dev = encode_dev(statbufp->st_devnam);
+ statbufp->st_dev = encode_dev(aTHX_ statbufp->st_devnam);
# ifdef RTL_USES_UTC
# ifdef VMSISH_TIME
if (VMSISH_TIME) {
/*{{{ int flex_stat(const char *fspec, Stat_t *statbufp)*/
int
-flex_stat(const char *fspec, Stat_t *statbufp)
+Perl_flex_stat(pTHX_ const char *fspec, Stat_t *statbufp)
{
- dTHX;
char fileified[NAM$C_MAXRSS+1];
char temp_fspec[NAM$C_MAXRSS+300];
int retval = -1;
+ if (!fspec) return retval;
strcpy(temp_fspec, fspec);
if (statbufp == (Stat_t *) &PL_statcache)
do_tovmsspec(temp_fspec,namecache,0);
if (is_null_device(temp_fspec)) { /* Fake a stat() for the null device */
memset(statbufp,0,sizeof *statbufp);
- statbufp->st_dev = encode_dev("_NLA0:");
+ statbufp->st_dev = encode_dev(aTHX_ "_NLA0:");
statbufp->st_mode = S_IFBLK | S_IREAD | S_IWRITE | S_IEXEC;
statbufp->st_uid = 0x00010001;
statbufp->st_gid = 0x0001;
}
if (retval) retval = stat(temp_fspec,(stat_t *) statbufp);
if (!retval) {
- statbufp->st_dev = encode_dev(statbufp->st_devnam);
+ statbufp->st_dev = encode_dev(aTHX_ statbufp->st_devnam);
# ifdef RTL_USES_UTC
# ifdef VMSISH_TIME
if (VMSISH_TIME) {
mysv = SvROK(ST(0)) ? SvRV(ST(0)) : ST(0);
if (SvTYPE(mysv) == SVt_PVGV) {
- if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),fspec,1)) {
+ if (!(io = GvIOp(mysv)) || !PerlIO_getname(IoIFP(io),fspec)) {
set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
ST(0) = &PL_sv_no;
XSRETURN(1);
mysv = SvROK(ST(0)) ? SvRV(ST(0)) : ST(0);
if (SvTYPE(mysv) == SVt_PVGV) {
- if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),inspec,1)) {
+ if (!(io = GvIOp(mysv)) || !PerlIO_getname(IoIFP(io),inspec)) {
set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
ST(0) = &PL_sv_no;
XSRETURN(1);
}
mysv = SvROK(ST(1)) ? SvRV(ST(1)) : ST(1);
if (SvTYPE(mysv) == SVt_PVGV) {
- if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),outspec,1)) {
+ if (!(io = GvIOp(mysv)) || !PerlIO_getname(IoIFP(io),outspec)) {
set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
ST(0) = &PL_sv_no;
XSRETURN(1);
void
-mod2fname(CV *cv)
+mod2fname(pTHX_ CV *cv)
{
dXSARGS;
char ultimate_name[NAM$C_MAXRSS+1], work_name[NAM$C_MAXRSS*8 + 1],
}
void
+hushexit_fromperl(pTHX_ CV *cv)
+{
+ dXSARGS;
+
+ if (items > 0) {
+ VMSISH_HUSHED = SvTRUE(ST(0));
+ }
+ ST(0) = boolSV(VMSISH_HUSHED);
+ XSRETURN(1);
+}
+
+void
+Perl_sys_intern_dup(pTHX_ struct interp_intern *src,
+ struct interp_intern *dst)
+{
+ memcpy(dst,src,sizeof(struct interp_intern));
+}
+
+void
+Perl_sys_intern_clear(pTHX)
+{
+}
+
+void
+Perl_sys_intern_init(pTHX)
+{
+ int ix = RAND_MAX;
+ float x;
+
+ VMSISH_HUSHED = 0;
+
+ x = (float)ix;
+ MY_INV_RAND_MAX = 1./x;
+}
+
+
+
+void
init_os_extras()
{
- char* file = __FILE__;
dTHX;
+ char* file = __FILE__;
char temp_buff[512];
if (my_trnlnm("DECC$DISABLE_TO_VMS_LOGNAME_TRANSLATION", temp_buff, 0)) {
no_translate_barewords = TRUE;
newXSproto("VMS::Filespec::candelete",candelete_fromperl,file,"$");
newXSproto("DynaLoader::mod2fname", mod2fname, file, "$");
newXS("File::Copy::rmscopy",rmscopy_fromperl,file);
+ newXSproto("vmsish::hushed",hushexit_fromperl,file,";$");
+
+ store_pipelocs(aTHX);
return;
}