/* 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 <acedef.h>
#include <clidef.h>
#include <climsgdef.h>
#include <descrip.h>
+#include <devdef.h>
#include <dvidef.h>
#include <fibdef.h>
#include <float.h>
# 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__
/* 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,
void
Perl_my_setenv(pTHX_ char *lnm,char *eqv)
{
- if (lnm && *lnm && strlen(lnm) == 7) {
+ 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]);
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$TZ")) tz_updated = 1;
+ if (!strcmp(uplnm,"TZ")) tz_updated = 1;
+ }
+#endif
+ }
(void) vmssetenv(lnm,eqv,NULL);
}
/*}}}*/
}
/*}}}*/
+/* default piping mailbox size */
+#define PERL_BUFSIZ 512
+
static void
create_mbx(unsigned short int *chan, struct dsc$descriptor_s *namdsc)
{
- static unsigned long int mbxbufsiz;
- long int syiitm = SYI$_MAXBUF, dviitm = DVI$_DEVNAM;
+ unsigned long int mbxbufsiz;
+ static unsigned long int syssize = 0;
+ unsigned long int dviitm = DVI$_DEVNAM;
dTHX;
+ char csize[LNM$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;
+};
+
+
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()
{
- struct pipe_details *info;
+ pInfo info;
unsigned long int retsts = SS$_NORMAL, abort = SS$_TIMEOUT;
- int sts, did_stuff;
+ int sts, did_stuff, need_eof;
dTHX;
/*
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;
{(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(struct pipe_details *thispipe)
+popen_completion_ast(pInfo info)
{
- thispipe->done = TRUE;
- if (waitpid_asleep) {
- waitpid_asleep = 0;
- sys$wake(0,0);
+ dTHX;
+ pInfo i = open_pipes;
+ int iss;
+
+ while (i) {
+ if (i == info) break;
+ i = i->next;
+ }
+ if (!i) return; /* unlinked, probably freed too */
+
+ info->completion &= 0x0FFFFFFF; /* strip off "control" field */
+ info->done = TRUE;
+
+/*
+ Writing to subprocess ...
+ if my_pclose'd: EOF already sent, should shutdown chan_in part of pipe
+
+ chan_out may be waiting for "done" flag, or hung waiting
+ for i/o completion to child...cancel the i/o. This will
+ put it into "snarf mode" (done but no EOF yet) that discards
+ input.
+
+ Output from subprocess (stdout, stderr) needs to be flushed and
+ shut down. We try sending an EOF, but if the mbx is full the pipe
+ routine should still catch the "shut_on_empty" flag, telling it to
+ use immediate-style reads so that "mbx empty" -> EOF.
+
+
+*/
+ if (info->in && !info->in_done) { /* only for mode=w */
+ if (info->in->shut_on_empty && info->in->need_wake) {
+ info->in->need_wake = FALSE;
+ _ckvmssts(sys$dclast(pipe_tochild2_ast,info->in,0));
+ } else {
+ _ckvmssts(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(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$_NORMAL;
+ _ckvmssts(iss);
}
+ _ckvmssts(sys$setef(pipe_ef));
+
}
static unsigned long int setup_cmddsc(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(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$(GET|FREE)_VM here so that we can allocate and deallocate
+ inside an AST routine without worrying about reentrancy and which Perl
+ memory allocator is being used.
+
+ We read data and queue up the buffers, then spit them out one at a
+ time to the output mailbox when the output mailbox is ready for one.
+
+*/
+#define INITIAL_TOCHILDQUEUE 2
+
+static pPipe
+pipe_tochild_setup(char *rmbx, char *wmbx)
+{
+ dTHX;
+ pPipe p;
+ pCBuf b;
+ char mbx1[64], mbx2[64];
+ struct dsc$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$_DEVBUFSIZ;
+ int j, n;
+
+ New(1368, p, 1, Pipe);
+
+ create_mbx(&p->chan_in , &d_mbx1);
+ create_mbx(&p->chan_out, &d_mbx2);
+ _ckvmssts(lib$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;
+
+ 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)
+{
+ dTHX;
+ pCBuf b = p->curr;
+ int iss = p->iosb.status;
+ int eof = (iss == SS$_ENDOFFILE);
+
+ if (p->retry) {
+ if (eof) {
+ p->shut_on_empty = TRUE;
+ b->eof = TRUE;
+ _ckvmssts(sys$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$_NORMAL;
+ _ckvmssts(iss);
+}
+
+
+/* writes queued buffers to output, waits for each to complete before
+ doing the next */
+
+static void
+pipe_tochild2_ast(pPipe p)
+{
+ dTHX;
+ pCBuf b = p->curr2;
+ int iss = p->iosb2.status;
+ int n = sizeof(CBuf) + p->bufsize;
+ int done = (p->info && p->info->done) ||
+ iss == SS$_CANCEL || iss == SS$_ABORT;
+
+ do {
+ if (p->type) { /* type=1 has old buffer, dispose */
+ if (p->shut_on_empty) {
+ _ckvmssts(lib$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$_WRITEVBLK,
+ &p->iosb2, pipe_tochild2_ast, p, b->buf, b->size, 0, 0, 0, 0));
+ }
+
+ return;
+
+}
+
+
+static pPipe
+pipe_infromchild_setup(char *rmbx, char *wmbx)
+{
+ dTHX;
+ pPipe p;
+ char mbx1[64], mbx2[64];
+ struct dsc$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$_DEVBUFSIZ;
+
+ New(1367, p, 1, Pipe);
+ create_mbx(&p->chan_in , &d_mbx1);
+ create_mbx(&p->chan_out, &d_mbx2);
+
+ _ckvmssts(lib$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$_NORMAL;
+ pipe_infromchild_ast(p);
+
+ strcpy(wmbx, mbx1);
+ strcpy(rmbx, mbx2);
+ return p;
+}
+
+static void
+pipe_infromchild_ast(pPipe p)
+{
+ dTHX;
+ int iss = p->iosb.status;
+ int eof = (iss == SS$_ENDOFFILE);
+ int myeof = (eof && (p->iosb.dvispec == mypid || p->iosb.dvispec == 0));
+ int kideof = (eof && (p->iosb.dvispec == p->info->pid));
+
+ if (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(int fd, char *out)
+{
+ dTHX;
+ 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(&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$_READVBLK, &p->iosb,
+ pipe_mbxtofd_ast, p,
+ p->buf, p->bufsize, 0, 0, 0, 0));
+
+ return p;
+}
+
+static void
+pipe_mbxtofd_ast(pPipe p)
+{
+ dTHX;
+ int iss = p->iosb.status;
+ int done = p->info->done;
+ int iss2;
+ int eof = (iss == SS$_ENDOFFILE);
+ int myeof = eof && ((p->iosb.dvispec == mypid)||(p->iosb.dvispec == 0));
+ int err = !(iss&1) && !eof;
+
+
+ if (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$C_MAXRSS+1];
+};
+static pPLOC head_PLOC = 0;
+
+
+static void
+store_pipelocs()
+{
+ int i;
+ pPLOC p;
+ AV *av = GvAVn(PL_incgv);
+ SV *dirsv;
+ GV *gv;
+ char *dir, *x;
+ char *unixdir;
+ char temp[NAM$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
+
+}
+
+
+static char *
+find_vmspipe(void)
+{
+ 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(void)
+{
+ 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 sys$input 'perl_popen_in'\n");
+ fprintf(fp,"$ pif perl_popen_err .nes. \"\" then perl_define sys$error 'perl_popen_err'\n");
+ fprintf(fp,"$ 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_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;
+ }
+
+ return fp;
+}
+
+
+
static PerlIO *
safe_popen(char *cmd, char *mode)
{
+ dTHX;
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 d_out = {0, DSC$K_DTYPE_T,
+ DSC$K_CLASS_S, out};
+ struct dsc$descriptor_s vmspipedsc = {0, DSC$K_DTYPE_T,
DSC$K_CLASS_S, 0};
+ $DESCRIPTOR(d_sym_cmd,"PERL_POPEN_CMD");
+ $DESCRIPTOR(d_sym_in ,"PERL_POPEN_IN");
+ $DESCRIPTOR(d_sym_err,"PERL_POPEN_ERR");
+ /* once-per-program initialization...
+ note that the SETAST calls and the dual test of pipe_ef
+ makes sure that only the FIRST thread through here does
+ the initialization...all other threads wait until it's
+ done.
+
+ Yeah, uglier than a pthread call, it's got all the stuff inline
+ rather than in a separate routine.
+ */
+
+ if (!pipe_ef) {
+ _ckvmssts(sys$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));
+ }
+
+ /* see if we can find a VMSPIPE.COM */
+
+ tfilebuf[0] = '@';
+ vmspipe = find_vmspipe();
+ if (vmspipe) {
+ strcpy(tfilebuf+1,vmspipe);
+ } else { /* uh, oh...we're in tempfile hell */
+ tpipe = vmspipe_tempfile();
+ 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);
if (!(setup_cmddsc(cmd,0) & 1)) { set_errno(EINVAL); return Nullfp; }
- New(1301,info,1,struct pipe_details);
+ New(1301,info,1,Info);
+
+ info->mode = *mode;
+ info->done = FALSE;
+ 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;
+
+ if (*mode == 'r') { /* piping from subroutine */
+ in[0] = '\0';
+
+ info->out = pipe_infromchild_setup(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$cancel(info->out->chan_out);
+
+ while (!info->out_done) {
+ int done;
+ _ckvmssts(sys$setast(0));
+ done = info->out_done;
+ if (!done) _ckvmssts(sys$clref(pipe_ef));
+ _ckvmssts(sys$setast(1));
+ if (!done) _ckvmssts(sys$waitfr(pipe_ef));
+ }
+
+ if (info->out->buf) Safefree(info->out->buf);
+ Safefree(info->out);
+ Safefree(info);
+ return Nullfp;
+ }
+
+ info->err = pipe_mbxtofd_setup(fileno(stderr), err);
+ if (info->err) {
+ info->err->pipe_done = &info->err_done;
+ info->err_done = FALSE;
+ info->err->info = info;
+ }
- /* create mailbox */
- create_mbx(&chan,&namdsc);
+ } else { /* piping to subroutine , mode=w*/
+ int melded;
- /* open a FILE* onto it */
- info->fp = PerlIO_open(mbxname, mode);
+ info->in = pipe_tochild_setup(in,mbx);
+ info->fp = PerlIO_open(mbx, mode);
+ if (info->in) {
+ info->in->pipe_done = &info->in_done;
+ info->in_done = FALSE;
+ info->in->info = info;
+ }
- /* give up other channel onto it */
- _ckvmssts(sys$dassgn(chan));
+ /* 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->fp)
+ if (info->in->buf) Safefree(info->in->buf);
+ Safefree(info->in);
+ Safefree(info);
return Nullfp;
+ }
- info->mode = *mode;
- info->done = FALSE;
- info->completion=0;
+ /* if SYS$ERROR == SYS$OUTPUT, use only one mbx */
- if (*mode == 'r') {
- _ckvmssts(lib$spawn(&VMScmd, &nl_desc, &namdsc, &flags,
- 0 /* name */, &info->pid, &info->completion,
- 0, popen_completion_ast,info,0,0,0));
+ melded = FALSE;
+ fgetname(stderr, err);
+ if (strncmp(err,"SYS$ERROR:",10) == 0) {
+ fgetname(stdout, out);
+ if (strncmp(out,"SYS$OUTPUT:",11) == 0) {
+ if (popen_translate("SYS$OUTPUT",out) == popen_translate("SYS$ERROR",err)) {
+ melded = TRUE;
+ }
+ }
+ }
+
+ info->out = pipe_mbxtofd_setup(fileno(stdout), out);
+ if (info->out) {
+ info->out->pipe_done = &info->out_done;
+ info->out_done = FALSE;
+ info->out->info = info;
+ }
+ if (!melded) {
+ info->err = pipe_mbxtofd_setup(fileno(stderr), err);
+ if (info->err) {
+ info->err->pipe_done = &info->err_done;
+ info->err_done = FALSE;
+ info->err->info = info;
}
- else {
- _ckvmssts(lib$spawn(&VMScmd, &namdsc, 0 /* sys$output */, &flags,
- 0 /* name */, &info->pid, &info->completion,
- 0, popen_completion_ast,info,0,0,0));
+ } else {
+ err[0] = '\0';
}
-
- vms_execfree(aTHX);
- if (!handler_set_up) {
- _ckvmssts(sys$dclexh(&pipe_exitblock));
- handler_set_up = TRUE;
}
+ d_out.dsc$w_length = strlen(out); /* lib$spawn sets SYS$OUTPUT so can meld*/
+
+ symbol[MAX_DCL_SYMBOL] = '\0';
+
+ strncpy(symbol, in, MAX_DCL_SYMBOL);
+ d_symbol.dsc$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$set_symbol(&d_sym_err, &d_symbol, &table));
+
+
+ p = VMScmd.dsc$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$spawn(&vmspipedsc, &nl_desc, &d_out, &flags,
+ 0, &info->pid, &info->completion,
+ 0, popen_completion_ast,info,0,0,0));
+
+ /* if we were using a tempfile, close it now */
+
+ if (tpipe) fclose(tpipe);
+
+ /* once the subprocess is spawned, its copied the symbols and
+ we can get rid of ours */
+
+ _ckvmssts(lib$delete_symbol(&d_sym_cmd, &table));
+ _ckvmssts(lib$delete_symbol(&d_sym_in, &table));
+ _ckvmssts(lib$delete_symbol(&d_sym_err, &table));
+
+ vms_execfree(aTHX);
PL_forkprocess = info->pid;
return info->fp;
/*{{{ I32 my_pclose(FILE *fp)*/
I32 Perl_my_pclose(pTHX_ FILE *fp)
{
- struct pipe_details *info, *last = NULL;
+ dTHX;
+ 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)...
+ */
+
+ fsync(fileno(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;
Pid_t
my_waitpid(Pid_t pid, int *statusp, int flags)
{
- struct pipe_details *info;
+ pInfo info;
+ int done;
dTHX;
for (info = open_pipes; info != NULL; info = info->next)
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$waitfr(pipe_ef));
}
*statusp = info->completion;
_ckvmssts(sys$schdwk(0,0,interval,0));
_ckvmssts(sys$hiber());
}
+ if (sts == SS$_NONEXPR) sts = SS$_NORMAL;
_ckvmssts(sts);
/* There's no easy way to find the termination status a child we're
* buffer much larger than $GETJPI wants (rsz is size in bytes that
* were needed to hold all identifiers at time of last call; we'll
* allocate that many unsigned long ints), and go back and get 'em.
+ * If it gave us less than it wanted to despite ample buffer space,
+ * something's broken. Is your system missing a system identifier?
*/
+ if (rsz <= jpilist[1].buflen) {
+ /* Perl_croak accvios when used this early in startup. */
+ fprintf(stderr, "vms_image_init: $getjpiw refuses to store RIGHTSLIST of %u bytes in buffer of %u bytes.\n%s",
+ rsz, (unsigned long) jpilist[1].buflen,
+ "Check your rights database for corruption.\n");
+ exit(SS$_ABORT);
+ }
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);
if (tabidx) { tabvec[tabidx] = NULL; env_tables = tabvec; }
getredirection(argcp,argvp);
-#if defined(USE_THREADS) && defined(__DECC)
+#if defined(USE_THREADS) && ( defined(__DECC) || defined(__DECCXX) )
{
# include <reentrancy.h>
(void) decc$set_reentrancy(C$C_MULTITHREAD);
/*
* 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(void *src, size_t itmsz, size_t nitm, FILE *dest)
{
- register char *cp, *end;
+ register char *cp, *end, *cpd, *data;
+ int retval;
+ int bufsize = itmsz*nitm+1;
+
+ _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() */
/*}}}*/
#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;
}
/*}}}*/
#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(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
gmtime_emulation_type++;
if (!vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) {
gmtime_emulation_type++;
+ utc_offset_secs = 0;
Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC");
}
else { utc_offset_secs = atol(off); }
my_localtime(const time_t *timep)
{
dTHX;
- time_t when;
+ time_t when, whenutc;
struct tm *rsltmp;
+ int dst, offset;
if (timep == NULL) {
set_errno(EINVAL); set_vaxc_errno(LIB$_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() */
/*}}}*/
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
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");
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 */
newXSproto("DynaLoader::mod2fname", mod2fname, file, "$");
newXS("File::Copy::rmscopy",rmscopy_fromperl,file);
+ store_pipelocs();
+
return;
}
projects / p5sagit/p5-mst-13.2.git / blobdiff