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/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <support/check.h>
#include <support/xthread.h>
#include <support/xtime.h>
static pthread_barrier_t b;
static pthread_rwlock_t r = PTHREAD_RWLOCK_INITIALIZER;
static void *
tf (void *arg)
{
/* Lock the read-write lock. */
TEST_COMPARE (pthread_rwlock_wrlock (&r), 0);
pthread_t mt = *(pthread_t *) arg;
xpthread_barrier_wait (&b);
/* This call will never return. */
xpthread_join (mt);
return NULL;
}
static int
do_test (void)
{
struct timespec ts;
xclock_gettime (CLOCK_REALTIME, &ts);
xpthread_barrier_init (&b, NULL, 2);
pthread_t me = pthread_self ();
xpthread_create (NULL, tf, &me);
/* Wait until the rwlock is locked. */
xpthread_barrier_wait (&b);
ts.tv_nsec = -1;
TEST_COMPARE (pthread_rwlock_timedrdlock (&r, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_REALTIME, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_timedwrlock (&r, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_REALTIME, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
ts.tv_nsec = 1000000000;
TEST_COMPARE (pthread_rwlock_timedrdlock (&r, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_REALTIME, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_timedwrlock (&r, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_REALTIME, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
ts.tv_nsec = (__typeof (ts.tv_nsec)) 0x100001000LL;
if ((__typeof (ts.tv_nsec)) 0x100001000LL != 0x100001000LL)
ts.tv_nsec = 2000000000;
TEST_COMPARE (pthread_rwlock_timedrdlock (&r, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_REALTIME, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_timedwrlock (&r, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_REALTIME, &ts), EINVAL);
TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
return 0;
}
#include <support/test-driver.c>
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