1 /* C11 threads basic mutex tests.
2 Copyright (C) 2018 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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 <http://www.gnu.org/licenses/>. */
23 #include <support/check.h>
25 /* Shared mutex between child and parent. */
28 /* Shared counter to check possible race conditions. */
34 if (mtx_lock (&mutex
) != thrd_success
)
35 FAIL_EXIT1 ("mtx_lock failed");
39 if (mtx_unlock (&mutex
) != thrd_success
)
40 FAIL_EXIT1 ("mtx_unlock failed");
42 thrd_exit (thrd_success
);
48 mtx_init (&mutex
, mtx_plain
);
51 if (thrd_create (&id
, child_add
, NULL
) != thrd_success
)
52 FAIL_EXIT1 ("thrd_create failed");
54 if (mtx_lock (&mutex
) != thrd_success
)
55 FAIL_EXIT1 ("mtx_lock failed");
59 if (mtx_unlock (&mutex
) != thrd_success
)
60 FAIL_EXIT1 ("mtx_unlock failed");
62 if (thrd_join (id
, NULL
) != thrd_success
)
63 FAIL_EXIT1 ("thrd_join failed");
66 FAIL_EXIT1 ("counter (%d) != 2", counter
);
73 #include <support/test-driver.c>