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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/>. */
/* This test case checks more than standard compliance. An
implementation may provide this service but it is not required to
do so. */
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
static int
do_test (void)
{
pthread_rwlock_t r;
int e;
if (pthread_rwlock_init (&r, NULL) != 0)
{
puts ("rwlock_init failed");
return 1;
}
puts ("rwlock_init succeeded");
if (pthread_rwlock_trywrlock (&r) != 0)
{
puts ("rwlock_trywrlock on unlocked rwlock failed");
return 1;
}
puts ("rwlock_trywrlock on unlocked rwlock succeeded");
e = pthread_rwlock_rdlock (&r);
if (e == 0)
{
puts ("rwlock_rdlock on rwlock with writer succeeded");
return 1;
}
if (e != EDEADLK)
{
puts ("rwlock_rdlock on rwlock with writer failed != EDEADLK");
return 1;
}
puts ("rwlock_rdlock on rwlock with writer failed with EDEADLK");
e = pthread_rwlock_wrlock (&r);
if (e == 0)
{
puts ("rwlock_wrlock on rwlock with writer succeeded");
return 1;
}
if (e != EDEADLK)
{
puts ("rwlock_wrlock on rwlock with writer failed != EDEADLK");
return 1;
}
puts ("rwlock_wrlock on rwlock with writer failed with EDEADLK");
if (pthread_rwlock_unlock (&r) != 0)
{
puts ("rwlock_unlock failed");
return 1;
}
puts ("rwlock_unlock succeeded");
if (pthread_rwlock_destroy (&r) != 0)
{
puts ("rwlock_destroy failed");
return 1;
}
puts ("rwlock_destroy succeeded");
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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