1 /* Test that pthread_kill succeeds for an exited thread.
2    Copyright (C) 2021-2022 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4 
5    The GNU C Library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Lesser General Public
7    License as published by the Free Software Foundation; either
8    version 2.1 of the License, or (at your option) any later version.
9 
10    The GNU C Library is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13    Lesser General Public License for more details.
14 
15    You should have received a copy of the GNU Lesser General Public
16    License along with the GNU C Library; if not, see
17    <https://www.gnu.org/licenses/>.  */
18 
19 /* This test verifies that pthread_kill returns 0 (and not ESRCH) for
20    a thread that has exited on the kernel side.  */
21 
22 #include <stddef.h>
23 #include <support/support.h>
24 #include <support/xthread.h>
25 
26 static void *
noop_thread(void * closure)27 noop_thread (void *closure)
28 {
29   return NULL;
30 }
31 
32 static int
do_test(void)33 do_test (void)
34 {
35   pthread_t thr = xpthread_create (NULL, noop_thread, NULL);
36 
37   support_wait_for_thread_exit ();
38 
39   xpthread_cancel (thr);
40   xpthread_join (thr);
41 
42   return 0;
43 }
44 
45 #include <support/test-driver.c>
46