glibc/sysdeps/pthread/tst-pthread-exit-signal.c

46 lines
1.5 KiB
C

/* Test that pending signals are not delivered on thread exit (bug 28607).
Copyright (C) 2021-2023 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>