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/*
* COPYRIGHT (c) 1989-2013.
* 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/btimer.h>
#define N 5
const char rtems_test_name[] = "PSXTMCOND 06";
/* 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
)
{
int status;
status = pthread_mutex_lock(&MutexID);
rtems_test_assert( status == 0 );
/* Unlock mutex, block, wait for CondID to be signaled */
pthread_cond_wait(&CondID,&MutexID);
/* should never return */
rtems_test_assert( FALSE );
return NULL;
}
void *POSIX_Init(
void *argument
)
{
uint32_t end_time;
int status;
int i;
pthread_t threadId;
pthread_attr_t attr;
struct sched_param param;
int policy;
TEST_BEGIN();
/* Setup variables */
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);
rtems_test_assert( status == 0 );
/* Setup so threads are created with a high enough priority to preempt
* as they get created.
*/
status = pthread_attr_init( &attr );
rtems_test_assert( status == 0 );
status = pthread_attr_setinheritsched( &attr, PTHREAD_EXPLICIT_SCHED );
rtems_test_assert( status == 0 );
status = pthread_attr_setschedpolicy( &attr, SCHED_FIFO );
rtems_test_assert( status == 0 );
param.sched_priority = sched_get_priority_max(SCHED_FIFO) / 2;
status = pthread_attr_setschedparam( &attr, ¶m );
rtems_test_assert( status == 0 );
for ( i=0 ; i < N ; i++) {
/* Threads will preempt as they are created, start up, and block */
status = pthread_create(&threadId, &attr, Blocker, NULL);
rtems_test_assert( status == 0 );
}
/* Now that all the threads have been created, adjust our priority
* so we don't get preempted on broadcast.
*/
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);
rtems_test_assert( status == 0 );
benchmark_timer_initialize();
status = pthread_cond_broadcast(&CondID);
end_time = benchmark_timer_read();
rtems_test_assert( status == 0 );
put_time(
"pthread_cond_broadcast: threads waiting no preempt",
end_time,
1,
0,
0
);
TEST_END();
rtems_test_exit( 0 );
return NULL;
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
#define CONFIGURE_MAXIMUM_POSIX_THREADS 2 + N
#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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