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Diffstat (limited to 'testsuites/psxtmtests/psxtmrwlock06/init.c')
-rw-r--r-- | testsuites/psxtmtests/psxtmrwlock06/init.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/testsuites/psxtmtests/psxtmrwlock06/init.c b/testsuites/psxtmtests/psxtmrwlock06/init.c new file mode 100644 index 0000000000..282f917fd5 --- /dev/null +++ b/testsuites/psxtmtests/psxtmrwlock06/init.c @@ -0,0 +1,106 @@ +/* + * 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 <pthread.h> +#include <sched.h> +#include <tmacros.h> +#include <timesys.h> +#include "test_support.h" +#include <rtems/timerdrv.h> + +pthread_rwlock_t rwlock; + +void *Blocker( + void *argument +) +{ + (void) pthread_rwlock_wrlock(&rwlock); + /* should never return */ + rtems_test_assert( FALSE ); + + return NULL; +} + +void *POSIX_Init( + void *argument +) +{ + int status; + pthread_t threadId; + long end_time; + pthread_rwlockattr_t attr; + + puts( "\n\n*** POSIX TIME TEST PSXTMRWLOCK 06 ***" ); + + status = pthread_create( &threadId, NULL, Blocker, NULL ); + rtems_test_assert( status == 0 ); + /* + * Deliberately create the rwlock after the threads. This way if the + * threads do run before we intend, they will get an error. + */ + + /* creating rwlock */ + status = pthread_rwlockattr_init( &attr ); + rtems_test_assert( status == 0 ); + status = pthread_rwlock_init( &rwlock, &attr ); + rtems_test_assert( status == 0 ); + + /* + * Ensure the rwlock is unavailable so the other threads block. + */ + /* lock rwlock to ensure thread blocks */ + status = pthread_rwlock_wrlock(&rwlock); + rtems_test_assert( status == 0 ); + + /* + * Let the other thread start so the thread startup overhead, + * is accounted for. When we return, we can start the benchmark. + */ + sched_yield(); + /* let other thread run */ + + benchmark_timer_initialize(); + status = pthread_rwlock_unlock(&rwlock); /* unlock the rwlock */ + end_time = benchmark_timer_read(); + rtems_test_assert( status == 0 ); + + put_time( + "pthread_rwlock_unlock - thread waiting, no preempt", + end_time, + 1, + 0, + 0 + ); + + puts( "*** END OF POSIX TIME TEST PSXTMRWLOCK 06 ***" ); + 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 +#define CONFIGURE_MAXIMUM_POSIX_RWLOCKS 1 +#define CONFIGURE_POSIX_INIT_THREAD_TABLE + +#define CONFIGURE_INIT + +#include <rtems/confdefs.h> + /* end of file */ |