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/* 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 <pthread.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include <sys/time.h>
#include <stdint.h>
#include <config.h>
#include <support/check.h>
#include <support/timespec.h>
#ifndef TYPE
# define TYPE PTHREAD_MUTEX_NORMAL
#endif
static int
do_test (void)
{
pthread_mutex_t m;
pthread_mutexattr_t a;
TEST_COMPARE (pthread_mutexattr_init (&a), 0);
TEST_COMPARE (pthread_mutexattr_settype (&a, TYPE), 0);
#ifdef ENABLE_PI
TEST_COMPARE (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT), 0);
#endif
int err = pthread_mutex_init (&m, &a);
if (err != 0)
{
#ifdef ENABLE_PI
if (err == ENOTSUP)
FAIL_UNSUPPORTED ("PI mutexes unsupported");
#endif
FAIL_EXIT1 ("mutex_init failed");
}
TEST_COMPARE (pthread_mutexattr_destroy (&a), 0);
TEST_COMPARE (pthread_mutex_lock (&m), 0);
if (pthread_mutex_trylock (&m) == 0)
FAIL_EXIT1 ("mutex_trylock succeeded");
/* Wait 2 seconds. */
struct timespec ts_timeout = timespec_add (xclock_now (CLOCK_REALTIME),
make_timespec (2, 0));
TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), ETIMEDOUT);
TEST_TIMESPEC_BEFORE_NOW (ts_timeout, CLOCK_REALTIME);
/* The following makes the ts value invalid. */
ts_timeout.tv_nsec += 1000000000;
TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), EINVAL);
TEST_COMPARE (pthread_mutex_unlock (&m), 0);
const struct timespec ts_start = xclock_now (CLOCK_REALTIME);
/* Wait 2 seconds. */
ts_timeout = timespec_add (ts_start, make_timespec (2, 0));
TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), 0);
const struct timespec ts_end = xclock_now (CLOCK_REALTIME);
/* Check that timedlock didn't delay. We use a limit of 0.1 secs. */
TEST_TIMESPEC_BEFORE (ts_end,
timespec_add (ts_start, make_timespec (0, 100000000)));
TEST_COMPARE (pthread_mutex_unlock (&m), 0);
TEST_COMPARE (pthread_mutex_destroy (&m), 0);
return 0;
}
#include <support/test-driver.c>
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