forked from Imagelibrary/rtems
134 lines
3.3 KiB
C
134 lines
3.3 KiB
C
/*
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* COPYRIGHT (c) 1989-2013.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <coverhd.h>
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#include <tmacros.h>
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#include <timesys.h>
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#include "test_support.h"
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#include <pthread.h>
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#include <sched.h>
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#include <rtems/timerdrv.h>
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#define N 5
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const char rtems_test_name[] = "PSXTMCOND 06";
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/* forward declarations to avoid warnings */
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void *POSIX_Init(void *argument);
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void *Blocker(void *argument);
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pthread_mutex_t MutexID;
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pthread_cond_t CondID;
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void *Blocker(
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void *argument
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)
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{
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int status;
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status = pthread_mutex_lock(&MutexID);
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rtems_test_assert( status == 0 );
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/* Unlock mutex, block, wait for CondID to be signaled */
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pthread_cond_wait(&CondID,&MutexID);
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/* should never return */
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rtems_test_assert( FALSE );
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return NULL;
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}
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void *POSIX_Init(
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void *argument
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)
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{
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long end_time;
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int status;
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int i;
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pthread_t threadId;
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pthread_attr_t attr;
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struct sched_param param;
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int policy;
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TEST_BEGIN();
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/* Setup variables */
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status = pthread_create( &threadId, NULL, Blocker, NULL );
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rtems_test_assert( status == 0 );
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status = pthread_mutex_init(&MutexID, NULL);
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rtems_test_assert( status == 0 );
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status = pthread_cond_init(&CondID, NULL);
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rtems_test_assert( status == 0 );
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/* Setup so threads are created with a high enough priority to preempt
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* as they get created.
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*/
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status = pthread_attr_init( &attr );
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rtems_test_assert( status == 0 );
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status = pthread_attr_setinheritsched( &attr, PTHREAD_EXPLICIT_SCHED );
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rtems_test_assert( status == 0 );
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status = pthread_attr_setschedpolicy( &attr, SCHED_FIFO );
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rtems_test_assert( status == 0 );
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param.sched_priority = sched_get_priority_max(SCHED_FIFO) / 2;
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status = pthread_attr_setschedparam( &attr, ¶m );
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rtems_test_assert( status == 0 );
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for ( i=0 ; i < N ; i++) {
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/* Threads will preempt as they are created, start up, and block */
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status = pthread_create(&threadId, &attr, Blocker, NULL);
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rtems_test_assert( status == 0 );
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}
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/* Now that all the threads have been created, adjust our priority
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* so we don't get preempted on broadcast.
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*/
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status = pthread_getschedparam(pthread_self(), &policy, ¶m);
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rtems_test_assert( status == 0 );
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param.sched_priority = sched_get_priority_max(policy) - 1;
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status = pthread_setschedparam(pthread_self(), policy, ¶m);
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rtems_test_assert( status == 0 );
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benchmark_timer_initialize();
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status = pthread_cond_broadcast(&CondID);
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end_time = benchmark_timer_read();
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rtems_test_assert( status == 0 );
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put_time(
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"pthread_cond_broadcast: threads waiting no preempt",
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end_time,
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1,
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0,
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0
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);
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TEST_END();
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rtems_test_exit( 0 );
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return NULL;
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}
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/* configuration information */
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#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
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#define CONFIGURE_MAXIMUM_POSIX_THREADS 2 + N
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#define CONFIGURE_MAXIMUM_POSIX_CONDITION_VARIABLES 2
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#define CONFIGURE_MAXIMUM_POSIX_MUTEXES 2
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#define CONFIGURE_POSIX_INIT_THREAD_TABLE
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#define CONFIGURE_INIT
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#include <rtems/confdefs.h>
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/* end of file */
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