forked from Imagelibrary/rtems
134 lines
2.7 KiB
C
134 lines
2.7 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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const char rtems_test_name[] = "PSXTMMUTEX 02";
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/* forward declarations to avoid warnings */
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void *POSIX_Init(void *argument);
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void *Middle(void *argument);
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void *Low(void *argument);
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pthread_mutex_t MutexId;
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void *Low(
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void *argument
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)
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{
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benchmark_timer_t end_time;
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/*
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* Now we have finished the thread startup overhead,
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* so let other threads run. When we return, we can
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* finish the benchmark.
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*/
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sched_yield();
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/* let other threads run */
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end_time = benchmark_timer_read();
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put_time(
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"pthread_mutex_lock: unavailable block",
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end_time,
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OPERATION_COUNT,
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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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void *Middle(
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void *argument
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)
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{
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int status;
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/*
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* Now we have finished the thread startup overhead,
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* so let other threads run. When we return, we can
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* finish the benchmark.
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*/
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sched_yield();
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/* let other threads run */
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status = pthread_mutex_lock( &MutexId );
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rtems_test_assert( !status );
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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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int i;
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int status;
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pthread_t threadId;
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TEST_BEGIN();
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for ( i=0 ; i < OPERATION_COUNT - 1 ; i++ ) {
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status = pthread_create( &threadId, NULL, Middle, NULL );
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rtems_test_assert( !status );
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}
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status = pthread_create( &threadId, NULL, Low, NULL );
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rtems_test_assert( !status );
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/*
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* Deliberately create the mutex after the threads. This way if the
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* threads do run before we intend, they will get an error.
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*/
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status = pthread_mutex_init( &MutexId, NULL );
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rtems_test_assert( !status );
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/*
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* Let the other threads start so the thread startup overhead,
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* is accounted for. When we return, we can start the benchmark.
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*/
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sched_yield();
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/* let other threads run */
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/* start the timer and switch through all the other tasks */
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benchmark_timer_initialize();
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status = pthread_mutex_lock( &MutexId );
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rtems_test_assert( !status );
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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 OPERATION_COUNT + 2
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#define CONFIGURE_MAXIMUM_POSIX_MUTEXES 1
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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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