/* SPDX-License-Identifier: BSD-2-Clause */
/*
* COPYRIGHT (c) 1989-2013.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#include <sched.h>
#include <tmacros.h>
#include <timesys.h>
#include "test_support.h"
#include <rtems/btimer.h>
const char rtems_test_name[] = "PSXTMRWLOCK 06";
/* forward declarations to avoid warnings */
void *POSIX_Init(void *argument);
void *Blocker(void *argument);
pthread_rwlock_t rwlock;
void *Blocker(
void *argument
)
{
(void) pthread_rwlock_wrlock(&rwlock);
/* should never return */
rtems_test_assert( FALSE );
return NULL;
}
void *POSIX_Init(
void *argument
)
{
int status;
pthread_t threadId;
benchmark_timer_t end_time;
pthread_rwlockattr_t attr;
TEST_BEGIN();
status = pthread_create( &threadId, NULL, Blocker, NULL );
rtems_test_assert( status == 0 );
/*
* Deliberately create the rwlock after the threads. This way if the
* threads do run before we intend, they will get an error.
*/
/* creating rwlock */
status = pthread_rwlockattr_init( &attr );
rtems_test_assert( status == 0 );
status = pthread_rwlock_init( &rwlock, &attr );
rtems_test_assert( status == 0 );
/*
* Ensure the rwlock is unavailable so the other threads block.
*/
/* lock rwlock to ensure thread blocks */
status = pthread_rwlock_wrlock(&rwlock);
rtems_test_assert( status == 0 );
/*
* Let the other thread start so the thread startup overhead,
* is accounted for. When we return, we can start the benchmark.
*/
sched_yield();
/* let other thread run */
benchmark_timer_initialize();
status = pthread_rwlock_unlock(&rwlock); /* unlock the rwlock */
end_time = benchmark_timer_read();
rtems_test_assert( status == 0 );
put_time(
"pthread_rwlock_unlock: thread waiting no preempt",
end_time,
1,
0,
0
);
TEST_END();
rtems_test_exit( 0 );
return NULL;
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
#define CONFIGURE_MAXIMUM_POSIX_THREADS 2
#define CONFIGURE_POSIX_INIT_THREAD_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* end of file */
