1 /* C11 threads call_once test.
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 /* Flag that controls the first thread access. */
26 static once_flag flag
= ONCE_FLAG_INIT
;
39 call_once (&flag
, do_once
);
40 thrd_exit (thrd_success
);
50 for (int i
= 0; i
< N
; ++i
)
52 if (thrd_create (&ids
[i
], func
, NULL
) != thrd_success
)
53 FAIL_EXIT1 ("thrd_create failed");
57 for (int i
= 0; i
< N
; ++i
)
59 if (thrd_join (ids
[i
], NULL
) != thrd_success
)
60 FAIL_EXIT1 ("thrd_join failed");
66 #include <support/test-driver.c>