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Use OsSignal in Popen/Pclose to avoid SysV signal() stupidity

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(cherry picked from commit c9051b684b)
This commit is contained in:
Alan Coopersmith 2008-11-05 18:25:57 -08:00 • committed by Adam Jackson
parent 244e960bb0
commit 1e3f8913c5
1 changed files with 4 additions and 4 deletions
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8
os/utils.c
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@ -1702,7 +1702,7 @@ static struct pid {
int pid;
} *pidlist;
void (*old_alarm)(int) = NULL; /* XXX horrible awful hack */
OsSigHandlerPtr old_alarm = NULL; /* XXX horrible awful hack */
pointer
Popen(char *command, char *type)
@ -1726,7 +1726,7 @@ Popen(char *command, char *type)
}
/* Ignore the smart scheduler while this is going on */
old_alarm = signal(SIGALRM, SIG_IGN);
old_alarm = OsSignal(SIGALRM, SIG_IGN);
if (old_alarm == SIG_ERR) {
perror("signal");
return NULL;
@ -1737,7 +1737,7 @@ Popen(char *command, char *type)
close(pdes[0]);
close(pdes[1]);
xfree(cur);
if (signal(SIGALRM, old_alarm) == SIG_ERR)
if (OsSignal(SIGALRM, old_alarm) == SIG_ERR)
perror("signal");
return NULL;
case 0: /* child */
@ -1914,7 +1914,7 @@ Pclose(pointer iop)
/* allow EINTR again */
OsReleaseSignals ();
if (old_alarm && signal(SIGALRM, old_alarm) == SIG_ERR) {
if (old_alarm && OsSignal(SIGALRM, old_alarm) == SIG_ERR) {
perror("signal");
return -1;
}