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/* 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.
*/
#if !defined(OPERATION_COUNT)
#define OPERATION_COUNT 100
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tmacros.h>
#include <timesys.h>
#include "test_support.h"
#include <pthread.h>
#include <sched.h>
#include <rtems/btimer.h>
const char rtems_test_name[] = "PSXTMBARRIER 04";
/* forward declarations to avoid warnings */
void *POSIX_Init(void *argument);
void *Blocker(void *argument);
#define N 2
pthread_barrier_t barrier;
void *Blocker(
void *argument
)
{
benchmark_timer_t end_time;
/* block on barrier wait, switch back to first thread */
(void) pthread_barrier_wait( &barrier );
/* preempt first thread and stop time */
end_time = benchmark_timer_read();
put_time(
"pthread_barrier_wait: releasing preempt",
end_time,
1,
0,
0
);
TEST_END();
rtems_test_exit( 0 );
}
void *POSIX_Init(
void *argument
)
{
int status;
pthread_t threadId;
int policy;
struct sched_param param;
TEST_BEGIN();
status = pthread_create( &threadId, NULL, Blocker, NULL );
rtems_test_assert( status == 0 );
status = pthread_barrier_init( &barrier, NULL, N );
rtems_test_assert( status == 0 );
/* yield to second thread so it can start up and block */
sched_yield();
pthread_getschedparam(threadId, &policy, ¶m);
param.sched_priority = sched_get_priority_max(policy) - 1;
/* preempt doesn't occur here due to second thread being blocked */
pthread_setschedparam(threadId, policy, ¶m);
/* as soon as this thread waits on barrier, release occurs, 2nd thread
* preempts this one due to having a higher priority
*/
benchmark_timer_initialize();
status = pthread_barrier_wait( &barrier );
/* avoid warning but should not be executed */
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 */
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