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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2011-07-20 21:39:25 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2011-07-20 21:39:25 +0000 |
commit | a87d1b16129912bb185fbd68af1e2dd0221bdeab (patch) | |
tree | 9899e0e1183926346bdbc07d3e066e9ea5fb9b15 /testsuites/psxtmtests/psxtmmutex06/init.c | |
parent | 2011-07-20 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
download | rtems-a87d1b16129912bb185fbd68af1e2dd0221bdeab.tar.bz2 |
2011-07-20 Joel Sherrill <joel.sherrill@oarcorp.com>
* Makefile.am, configure.ac, psxtmtests_plan.csv: Add benchmark of
pthread_mutex_unlock where it is unblocking threads with preemption.
* psxtmmutex06/.cvsignore, psxtmmutex06/Makefile.am,
psxtmmutex06/init.c, psxtmmutex06/psxtmmutex06.doc: New files.
Diffstat (limited to '')
-rw-r--r-- | testsuites/psxtmtests/psxtmmutex06/init.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/testsuites/psxtmtests/psxtmmutex06/init.c b/testsuites/psxtmtests/psxtmmutex06/init.c new file mode 100644 index 0000000000..f4e974e033 --- /dev/null +++ b/testsuites/psxtmtests/psxtmmutex06/init.c @@ -0,0 +1,154 @@ +/* + * COPYRIGHT (c) 1989-2011. + * 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.com/license/LICENSE. + * + * $Id$ + */ + +#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> + +pthread_mutex_t MutexId; + +void *Low( + void *argument +) +{ + int status; + uint32_t end_time; + + status = pthread_mutex_lock( &MutexId ); + end_time = benchmark_timer_read(); + + rtems_test_assert( status == 0 ); + + put_time( + "pthread_mutex_unlock (unblocking, prempt)", + end_time, + OPERATION_COUNT, + 0, + 0 + ); + + puts( "*** END OF POSIX TIME TEST MUTEX 07 ***" ); + rtems_test_exit( 0 ); + return NULL; +} + +void *Middle( + void *argument +) +{ + int status; + + status = pthread_mutex_lock( &MutexId ); + rtems_test_assert( status == 0 ); + + /* thread switch occurs */ + + status = pthread_mutex_unlock( &MutexId ); + rtems_test_assert( status == 0 ); + + /* thread switch occurs */ + + return NULL; +} + +void *POSIX_Init( + void *argument +) +{ + int i; + int status; + pthread_t threadId; + pthread_attr_t attr; + struct sched_param param; + + puts( "\n\n*** POSIX TIME TEST MUTEX 02 ***" ); + + /* + * Deliberately create the mutex BEFORE the threads. This way the + * threads should preempt this thread and block as they are created. + */ + status = pthread_mutex_init( &MutexId, NULL ); + rtems_test_assert( status == 0 ); + + /* + * Lock the mutex so the threads will block. + */ + status = pthread_mutex_lock( &MutexId ); + rtems_test_assert( status == 0 ); + + /* + * Now lower our priority + */ + 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_RR ); + rtems_test_assert( status == 0 ); + + param.sched_priority = 2; + status = pthread_attr_setschedparam( &attr, ¶m ); + rtems_test_assert( status == 0 ); + + /* + * And create rest of threads as more important than we are. They + * will preempt us as they are created and block. + */ + for ( i=0 ; i < OPERATION_COUNT ; i++ ) { + + param.sched_priority = 3 + i; + status = pthread_attr_setschedparam( &attr, ¶m ); + rtems_test_assert( status == 0 ); + + status = pthread_create( + &threadId, + &attr, + (i == OPERATION_COUNT - 1) ? Low : Middle, + NULL + ); + rtems_test_assert( status == 0 ); + } + + /* + * Now start the timer which will be stopped in Low + */ + benchmark_timer_initialize(); + + status = pthread_mutex_unlock( &MutexId ); + rtems_test_assert( status == 0 ); + + /* thread switch occurs */ + return NULL; +} + +/* configuration information */ + +#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER +#define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER + +#define CONFIGURE_MAXIMUM_POSIX_THREADS OPERATION_COUNT + 2 +#define CONFIGURE_MAXIMUM_POSIX_MUTEXES 1 +#define CONFIGURE_POSIX_INIT_THREAD_TABLE + +#define CONFIGURE_INIT + +#include <rtems/confdefs.h> + /* end of file */ |