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From http://ftp.gnu.org/pub/gnu/bash/bash-4.3-patches/bash43-032
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
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/bash-4.3-patched/jobs.c 2014-05-14 09:20:15.000000000 -0400
--- b/jobs.c 2014-09-09 11:50:38.000000000 -0400
***************
*** 3340,3344 ****
{
interrupt_immediately = 0;
! trap_handler (SIGCHLD); /* set pending_traps[SIGCHLD] */
wait_signal_received = SIGCHLD;
/* If we're in a signal handler, let CHECK_WAIT_INTR pick it up;
--- 3346,3352 ----
{
interrupt_immediately = 0;
! /* 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;
*** a/bash-4.3/patchlevel.h 2012-12-29 10:47:57.000000000 -0500
--- b/patchlevel.h 2014-03-20 20:01:28.000000000 -0400
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 31
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 32
#endif /* _PATCHLEVEL_H_ */
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