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/*
* COPYRIGHT (c) 2013.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <coverhd.h>
#include <tmacros.h>
#include <timesys.h>
#include "test_support.h"
#include <pthread.h>
#include <sched.h>
#include <rtems/timerdrv.h>
/* forward declarations to avoid warnings */
void *POSIX_Init(void *argument);
void *Blocker(void *argument);
pthread_mutex_t MutexID;
pthread_cond_t CondID;
void *Blocker(
void *argument
)
{
long end_time;
struct sched_param param;
int policy;
int status;
status = pthread_mutex_lock(&MutexID);
rtems_test_assert( status == 0 );
status = pthread_getschedparam(pthread_self(), &policy, ¶m);
rtems_test_assert( status == 0 );
param.sched_priority = sched_get_priority_max(policy) - 1;
status = pthread_setschedparam(pthread_self(), policy, ¶m);
/* Thread blocks, unlocks mutex, waits for CondID to be signaled */
pthread_cond_wait(&CondID,&MutexID);
/* Once signaled, this thread preempts POSIX_Init thread */
end_time = benchmark_timer_read();
put_time(
"pthread_cond_signal: thread waiting preempt",
end_time,
1,
0,
0
);
puts( "*** END OF POSIX TIME TEST PSXTMCOND04 ***" );
rtems_test_exit( 0 );
return NULL;
}
void *POSIX_Init(
void *argument
)
{
int status;
pthread_t threadId;
puts( "\n\n*** POSIX TIME TEST PSXTMCOND04 ***" );
status = pthread_create( &threadId, NULL, Blocker, NULL );
rtems_test_assert( status == 0 );
status = pthread_mutex_init(&MutexID, NULL);
rtems_test_assert( status == 0 );
status = pthread_cond_init(&CondID, NULL); /* Create condition variable */
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 */
/* Other thread is blocked and waiting on condition to be signaled */
benchmark_timer_initialize();
status = pthread_cond_signal(&CondID);
rtems_test_assert ( status == 0 );
return NULL;
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
#define CONFIGURE_MAXIMUM_POSIX_THREADS 2
#define CONFIGURE_MAXIMUM_POSIX_CONDITION_VARIABLES 2
#define CONFIGURE_MAXIMUM_POSIX_MUTEXES 2
#define CONFIGURE_POSIX_INIT_THREAD_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* end of file */
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