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04277e02 | 1 | /* Copyright (C) 2002-2019 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | |
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 | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
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18 | |
19 | #include <errno.h> | |
20 | #include <semaphore.h> | |
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21 | #include <time.h> |
22 | #include <unistd.h> | |
23 | #include <sys/time.h> | |
7a773abf | 24 | #include <support/check.h> |
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25 | |
26 | ||
27 | static int | |
28 | do_test (void) | |
29 | { | |
30 | sem_t s; | |
31 | struct timespec ts; | |
32 | struct timeval tv; | |
33 | ||
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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); | |
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37 | |
38 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
39 | ||
40 | /* We wait for half a second. */ | |
41 | ts.tv_nsec += 500000000; | |
42 | if (ts.tv_nsec >= 1000000000) | |
43 | { | |
44 | ++ts.tv_sec; | |
45 | ts.tv_nsec -= 1000000000; | |
46 | } | |
47 | ||
48 | errno = 0; | |
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49 | TEST_COMPARE (TEMP_FAILURE_RETRY (sem_timedwait (&s, &ts)), -1); |
50 | TEST_COMPARE (errno, ETIMEDOUT); | |
76a50749 | 51 | |
3d77b268 | 52 | struct timespec ts2; |
7a773abf | 53 | TEST_COMPARE (clock_gettime (CLOCK_REALTIME, &ts2), 0); |
3d77b268 | 54 | |
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55 | TEST_VERIFY (ts2.tv_sec > ts.tv_sec |
56 | || (ts2.tv_sec == ts.tv_sec && ts2.tv_nsec > ts.tv_nsec)); | |
3d77b268 | 57 | |
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58 | return 0; |
59 | } | |
60 | ||
7a773abf | 61 | #include <support/test-driver.c> |