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git.ipfire.org Git - thirdparty/glibc.git/blob - nptl/tst-sem5.c
1 /* Copyright (C) 2002-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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/>. */
20 #include <semaphore.h>
24 #include <support/check.h>
34 TEST_COMPARE (sem_init (&s
, 0, 1), 0);
35 TEST_COMPARE (TEMP_FAILURE_RETRY (sem_wait (&s
)), 0);
36 TEST_COMPARE (gettimeofday (&tv
, NULL
), 0);
38 TIMEVAL_TO_TIMESPEC (&tv
, &ts
);
40 /* We wait for half a second. */
41 ts
.tv_nsec
+= 500000000;
42 if (ts
.tv_nsec
>= 1000000000)
45 ts
.tv_nsec
-= 1000000000;
49 TEST_COMPARE (TEMP_FAILURE_RETRY (sem_timedwait (&s
, &ts
)), -1);
50 TEST_COMPARE (errno
, ETIMEDOUT
);
53 TEST_COMPARE (clock_gettime (CLOCK_REALTIME
, &ts2
), 0);
55 TEST_VERIFY (ts2
.tv_sec
> ts
.tv_sec
56 || (ts2
.tv_sec
== ts
.tv_sec
&& ts2
.tv_nsec
> ts
.tv_nsec
));
61 #include <support/test-driver.c>