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d614a753 | 1 | /* Copyright (C) 2002-2020 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 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://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 | #include <support/timespec.h> |
26 | #include <support/xtime.h> | |
76a50749 | 27 | |
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28 | /* A bogus clock value that tells run_test to use sem_timedwait rather than |
29 | sem_clockwait. */ | |
30 | #define CLOCK_USE_TIMEDWAIT (-1) | |
76a50749 | 31 | |
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32 | static void |
33 | do_test_clock (clockid_t clockid) | |
76a50749 | 34 | { |
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35 | const clockid_t clockid_for_get = |
36 | clockid == CLOCK_USE_TIMEDWAIT ? CLOCK_REALTIME : clockid; | |
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37 | sem_t s; |
38 | struct timespec ts; | |
76a50749 | 39 | |
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40 | TEST_COMPARE (sem_init (&s, 0, 1), 0); |
41 | TEST_COMPARE (TEMP_FAILURE_RETRY (sem_wait (&s)), 0); | |
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42 | |
43 | /* We wait for half a second. */ | |
6615f779 | 44 | xclock_gettime (clockid_for_get, &ts); |
40d0816f | 45 | ts = timespec_add (ts, make_timespec (0, TIMESPEC_HZ/2)); |
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46 | |
47 | errno = 0; | |
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48 | TEST_COMPARE (TEMP_FAILURE_RETRY ((clockid == CLOCK_USE_TIMEDWAIT) |
49 | ? sem_timedwait (&s, &ts) | |
50 | : sem_clockwait (&s, clockid, &ts)), -1); | |
7a773abf | 51 | TEST_COMPARE (errno, ETIMEDOUT); |
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52 | TEST_TIMESPEC_NOW_OR_AFTER (clockid_for_get, ts); |
53 | } | |
3d77b268 | 54 | |
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55 | static int do_test (void) |
56 | { | |
57 | do_test_clock (CLOCK_USE_TIMEDWAIT); | |
58 | do_test_clock (CLOCK_REALTIME); | |
59 | do_test_clock (CLOCK_MONOTONIC); | |
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60 | return 0; |
61 | } | |
62 | ||
7a773abf | 63 | #include <support/test-driver.c> |