1/* Test that pthread_exit works with the minimum stack size.
2 Copyright (C) 2018-2022 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/* Note: This test is similar to tst-minstack-cancel, but is separate
20 to avoid spurious test passes due to warm-up effects. */
21
22#include <limits.h>
23#include <unistd.h>
24#include <support/check.h>
25#include <support/xthread.h>
26
27_Static_assert (__SC_THREAD_STACK_MIN_VALUE == _SC_THREAD_STACK_MIN,
28 "__SC_THREAD_STACK_MIN_VALUE is correct");
29
30static void *
31threadfunc (void *closure)
32{
33 pthread_exit (retval: threadfunc);
34 return NULL;
35}
36
37static int
38do_test (void)
39{
40 pthread_attr_t attr;
41 xpthread_attr_init (attr: &attr);
42 xpthread_attr_setstacksize (attr: &attr, PTHREAD_STACK_MIN);
43 pthread_t thr = xpthread_create (attr: &attr, thread_func: threadfunc, NULL);
44 TEST_VERIFY (xpthread_join (thr) == threadfunc);
45 xpthread_attr_destroy (attr: &attr);
46 return 0;
47}
48
49#include <support/test-driver.c>
50

source code of glibc/nptl/tst-minstack-exit.c