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/* Test that pthread_kill succeeds for an exited thread.
Copyright (C) 2021-2024 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/>. */
/* This test verifies that the default pthread_kill returns 0 (and not
ESRCH) for a thread that has exited on the kernel side. */
#include <errno.h>
#include <pthread.h>
#include <shlib-compat.h>
#include <signal.h>
#include <stddef.h>
#include <support/check.h>
#include <support/support.h>
#include <support/xthread.h>
static void *
noop_thread (void *closure)
{
return NULL;
}
#if TEST_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_34) && PTHREAD_IN_LIBC
extern __typeof (pthread_kill) compat_pthread_kill;
compat_symbol_reference (libpthread, compat_pthread_kill, pthread_kill,
GLIBC_2_0);
#endif
static int
do_test (void)
{
pthread_t thr = xpthread_create (NULL, noop_thread, NULL);
support_wait_for_thread_exit ();
/* NB: Always uses the default symbol due to separate compilation. */
xpthread_kill (thr, SIGUSR1);
#if TEST_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_34) && PTHREAD_IN_LIBC
/* Old binaries need the non-conforming ESRCH error code. */
TEST_COMPARE (compat_pthread_kill (thr, SIGUSR1), ESRCH);
#endif
xpthread_join (thr);
return 0;
}
#include <support/test-driver.c>
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