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BASH PATCH REPORT
=================
Bash-Release: 4.3
Patch-ID: bash43-032
Bug-Reported-by: crispusfairbairn@gmail.com
Bug-Reference-ID: <b5e499f7-3b98-408d-9f94-c0387580e73a@googlegroups.com>
Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2014-09/msg00013.html
Bug-Description:
When bash is running in Posix mode, it allows signals -- including SIGCHLD --
to interrupt the `wait' builtin, as Posix requires. However, the interrupt
causes bash to not run a SIGCHLD trap for all exited children. This patch
fixes the issue and restores the documented behavior in Posix mode.
Patch (apply with `patch -p0'):
--- a/jobs.c
+++ b/jobs.c
@@ -3339,7 +3339,9 @@ itrace("waitchld: waitpid returns %d blo
if (posixly_correct && this_shell_builtin && this_shell_builtin == wait_builtin)
{
interrupt_immediately = 0;
- trap_handler (SIGCHLD); /* set pending_traps[SIGCHLD] */
+ /* This was trap_handler (SIGCHLD) but that can lose traps if
+ children_exited > 1 */
+ queue_sigchld_trap (children_exited);
wait_signal_received = SIGCHLD;
/* If we're in a signal handler, let CHECK_WAIT_INTR pick it up;
run_pending_traps will call run_sigchld_trap later */
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 31
+#define PATCHLEVEL 32
#endif /* _PATCHLEVEL_H_ */