while ((pid = PerlProc_fork()) < 0) {
if (errno != EAGAIN) {
PerlLIO_close(p[This]);
+ PerlLIO_close(p[that]);
if (did_pipes) {
PerlLIO_close(pp[0]);
PerlLIO_close(pp[1]);
#undef THAT
#define THIS that
#define THAT This
- /* Close parent's end of _the_ pipe */
- PerlLIO_close(p[THAT]);
/* Close parent's end of error status pipe (if any) */
if (did_pipes) {
PerlLIO_close(pp[0]);
if (p[THIS] != (*mode == 'r')) {
PerlLIO_dup2(p[THIS], *mode == 'r');
PerlLIO_close(p[THIS]);
+ if (p[THAT] != (*mode == 'r')) /* if dup2() didn't close it */
+ PerlLIO_close(p[THAT]); /* close parent's end of _the_ pipe */
}
+ else
+ PerlLIO_close(p[THAT]); /* close parent's end of _the_ pipe */
#if !defined(HAS_FCNTL) || !defined(F_SETFD)
/* No automatic close - do it by hand */
# ifndef NOFILE
}
/* Parent */
do_execfree(); /* free any memory malloced by child on fork */
- /* Close child's end of pipe */
- PerlLIO_close(p[that]);
if (did_pipes)
PerlLIO_close(pp[1]);
/* Keep the lower of the two fd numbers */
PerlLIO_close(p[This]);
p[This] = p[that];
}
+ else
+ PerlLIO_close(p[that]); /* close child's end of pipe */
+
LOCK_FDPID_MUTEX;
sv = *av_fetch(PL_fdpid,p[This],TRUE);
UNLOCK_FDPID_MUTEX;
{
struct sigaction act, oact;
+#ifdef USE_ITHREADS
+ /* only "parent" interpreter can diddle signals */
+ if (PL_curinterp != aTHX)
+ return SIG_ERR;
+#endif
+
act.sa_handler = handler;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
{
struct sigaction act;
+#ifdef USE_ITHREADS
+ /* only "parent" interpreter can diddle signals */
+ if (PL_curinterp != aTHX)
+ return -1;
+#endif
+
act.sa_handler = handler;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
int
Perl_rsignal_restore(pTHX_ int signo, Sigsave_t *save)
{
+#ifdef USE_ITHREADS
+ /* only "parent" interpreter can diddle signals */
+ if (PL_curinterp != aTHX)
+ return -1;
+#endif
+
return sigaction(signo, save, (struct sigaction *)NULL);
}
Sighandler_t
Perl_rsignal(pTHX_ int signo, Sighandler_t handler)
{
+#ifdef USE_ITHREADS
+ /* only "parent" interpreter can diddle signals */
+ if (PL_curinterp != aTHX)
+ return SIG_ERR;
+#endif
+
return PerlProc_signal(signo, handler);
}
{
Sighandler_t oldsig;
+#ifdef USE_ITHREADS
+ /* only "parent" interpreter can diddle signals */
+ if (PL_curinterp != aTHX)
+ return SIG_ERR;
+#endif
+
sig_trapped = 0;
oldsig = PerlProc_signal(signo, sig_trap);
PerlProc_signal(signo, oldsig);
int
Perl_rsignal_save(pTHX_ int signo, Sighandler_t handler, Sigsave_t *save)
{
+#ifdef USE_ITHREADS
+ /* only "parent" interpreter can diddle signals */
+ if (PL_curinterp != aTHX)
+ return -1;
+#endif
*save = PerlProc_signal(signo, handler);
return (*save == SIG_ERR) ? -1 : 0;
}
int
Perl_rsignal_restore(pTHX_ int signo, Sigsave_t *save)
{
+#ifdef USE_ITHREADS
+ /* only "parent" interpreter can diddle signals */
+ if (PL_curinterp != aTHX)
+ return -1;
+#endif
return (PerlProc_signal(signo, *save) == SIG_ERR) ? -1 : 0;
}