mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-21 20:40:05 +00:00
e186fc5a31
__libc_signal_restore_set was in the wrong place: It also ran
when setjmp returned the second time (after pthread_exit or
pthread_cancel). This is observable with blocked pending
signals during thread exit.
Fixes commit b3cae39dcb
("nptl: Start new threads with all signals blocked [BZ #25098]").
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/* Test that pending signals are not delivered on thread exit (bug 28607).
|
|
Copyright (C) 2021 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
/* Due to bug 28607, pthread_kill (or pthread_cancel) restored the
|
|
signal mask during during thread exit, triggering the delivery of a
|
|
blocked pending signal (SIGUSR1 in this test). */
|
|
|
|
#include <support/xthread.h>
|
|
#include <support/xsignal.h>
|
|
|
|
static void *
|
|
threadfunc (void *closure)
|
|
{
|
|
sigset_t sigmask;
|
|
sigfillset (&sigmask);
|
|
xpthread_sigmask (SIG_SETMASK, &sigmask, NULL);
|
|
xpthread_kill (pthread_self (), SIGUSR1);
|
|
pthread_exit (NULL);
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
pthread_t thr = xpthread_create (NULL, threadfunc, NULL);
|
|
xpthread_join (thr);
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|