1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <semaphore.h>
#include <time.h>
#include <unistd.h>
#include <sys/time.h>
#include <support/check.h>
static int
do_test (void)
{
sem_t s;
struct timespec ts;
struct timeval tv;
TEST_COMPARE (sem_init (&s, 0, 1), 0);
TEST_COMPARE (TEMP_FAILURE_RETRY (sem_wait (&s)), 0);
TEST_COMPARE (gettimeofday (&tv, NULL), 0);
TIMEVAL_TO_TIMESPEC (&tv, &ts);
/* We wait for half a second. */
ts.tv_nsec += 500000000;
if (ts.tv_nsec >= 1000000000)
{
++ts.tv_sec;
ts.tv_nsec -= 1000000000;
}
errno = 0;
TEST_COMPARE (TEMP_FAILURE_RETRY (sem_timedwait (&s, &ts)), -1);
TEST_COMPARE (errno, ETIMEDOUT);
struct timespec ts2;
TEST_COMPARE (clock_gettime (CLOCK_REALTIME, &ts2), 0);
TEST_VERIFY (ts2.tv_sec > ts.tv_sec
|| (ts2.tv_sec == ts.tv_sec && ts2.tv_nsec > ts.tv_nsec));
return 0;
}
#include <support/test-driver.c>
|
