bash/bash-4.1-defer-sigchld-trap.patch
Roman Rakus e8e8bf537a Don't call malloc in signal handler
bugzilla: #800473

Signed-off-by: Roman Rakus <rrakus@redhat.com>
2012-04-23 15:47:26 +02:00

31 lines
1004 B
Diff

diff -pruN bash-4.1/jobs.c bash-4.1.patched/jobs.c
--- bash-4.1/jobs.c 2009-11-30 03:42:05.000000000 +0530
+++ bash-4.1.patched/jobs.c 2012-03-06 16:44:15.706595703 +0530
@@ -3037,6 +3037,7 @@ waitchld (wpid, block)
PROCESS *child;
pid_t pid;
int call_set_current, last_stopped_job, job, children_exited, waitpid_flags;
+ int called_from_sighand = sigchld;
static int wcontinued = WCONTINUED; /* run-time fix for glibc problem */
call_set_current = children_exited = 0;
@@ -3161,7 +3162,17 @@ waitchld (wpid, block)
longjmp (wait_intr_buf, 1);
}
- run_sigchld_trap (children_exited);
+ /* Queue up the trap handler if we're called directly from within the
+ signal handler. */
+ if (called_from_sighand)
+ {
+ int i = children_exited;
+ interrupt_immediately = 0;
+ while (i--)
+ trap_handler (SIGCHLD);
+ }
+ else
+ run_sigchld_trap (children_exited);
}
/* We have successfully recorded the useful information about this process