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Diffstat (limited to 'testsuites/psxtmtests/psxtmrwlock05/init.c')
-rw-r--r-- | testsuites/psxtmtests/psxtmrwlock05/init.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/testsuites/psxtmtests/psxtmrwlock05/init.c b/testsuites/psxtmtests/psxtmrwlock05/init.c new file mode 100644 index 0000000000..ef9ac03191 --- /dev/null +++ b/testsuites/psxtmtests/psxtmrwlock05/init.c @@ -0,0 +1,143 @@ +/* + * 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 <errno.h> +#include <timesys.h> +#include <tmacros.h> +#include <sched.h> +#include <pthread.h> +#include <rtems/timerdrv.h> +#include "test_support.h" + +pthread_rwlock_t rwlock; +struct timespec abstime; + +void *Low( + void *argument +) +{ + uint32_t end_time; + + /* + * Now we have finished the thread startup overhead, + * so let other threads run. When we return, we can + * finish the benchmark. + */ + sched_yield(); + /* let other threads run */ + + end_time = benchmark_timer_read(); + + put_time( + "pthread_rwlock_timedwrlock - not available, blocks", + end_time, + OPERATION_COUNT, + 0, + 0 + ); + + puts( "*** END OF POSIX TIME PSXTMRWLOCK 05 TEST ***" ); + + rtems_test_exit( 0 ); + return NULL; +} + +void *Middle( + void *argument +) +{ + int status; + + /* + * Now we have finished the thread startup overhead, + * so let other threads run. When we return, we can + * finish the benchmark. + */ + sched_yield(); + /* let other threads run */ + + /* This timed write lock operation will be blocked + * because the other write operation has the lock + */ + status = pthread_rwlock_timedwrlock(&rwlock, &abstime); + rtems_test_assert( status == 0 ); + return NULL; +} + +void *POSIX_Init( + void *argument +) +{ + int i; + int status; + pthread_t threadId; + pthread_rwlockattr_t attr; + + puts( "\n\n*** POSIX TIME PSXTMRWLOCK 05 TEST ***" ); + + for ( i=0 ; i < OPERATION_COUNT - 1 ; i++ ) { + status = pthread_create( &threadId, NULL, Middle, NULL ); + rtems_test_assert( !status ); + } + + status = pthread_create( &threadId, NULL, Low, NULL ); + rtems_test_assert( !status ); + + /* + * Timeout for 5 seconds from now. + */ + status = clock_gettime( CLOCK_REALTIME, &abstime ); + rtems_test_assert( !status ); + abstime.tv_sec += 5; + + /* + * Deliberately create the rwlock after the threads. This way if the + * threads do run before we intend, they will get an error. + */ + status = pthread_rwlockattr_init( &attr ); + rtems_test_assert( status == 0 ); + status = pthread_rwlock_init( &rwlock, &attr ); + rtems_test_assert( status == 0 ); + /* + * Let the other threads start so the thread startup overhead, + * is accounted for. When we return, we can start the benchmark. + */ + sched_yield(); + /* let other threads run */ + + + /* start the timer and switch through all the other tasks */ + benchmark_timer_initialize(); + + /* write lock operation, this could be any write lock + * I decided to use timedwrlock just to continue in the timed line */ + status = pthread_rwlock_timedwrlock(&rwlock,0); + 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 OPERATION_COUNT + 2 +#define CONFIGURE_MAXIMUM_POSIX_RWLOCKS 1 +#define CONFIGURE_POSIX_INIT_THREAD_TABLE + +#define CONFIGURE_INIT + +#include <rtems/confdefs.h> + /* end of file */ |