/* * COPYRIGHT (c) 1989-2012. * 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.org/license/LICENSE. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include const char rtems_test_name[] = "SP 65"; /* forward declarations to avoid warnings */ rtems_task Init(rtems_task_argument argument); rtems_task Task_1(rtems_task_argument arg); #if defined(INHERIT_CEILING) #define TEST_NAME "66" #define TASK_PRIORITY 2 #else #define TEST_NAME "65" #define TASK_PRIORITY 1 #endif rtems_task Init( rtems_task_argument ignored ) { int status; rtems_id Mutex_id, Task_id; TEST_BEGIN(); /* * Create binary semaphore (a.k.a. Mutex) with Priority Ceiling * attribute. */ puts( "Creating semaphore" ); status = rtems_semaphore_create( rtems_build_name( 's','e','m','1' ), 1, RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY | RTEMS_PRIORITY_CEILING, 1, &Mutex_id ); directive_failed( status, "rtems_semaphore_create" ); puts( "Calling rtems_semaphore_obtain" ); status = rtems_semaphore_obtain( Mutex_id, RTEMS_DEFAULT_OPTIONS, 0 ); directive_failed( status, "rtems_semaphore_obtain" ); puts( "Calling rtems_task_create" ); status = rtems_task_create( rtems_build_name( 'T', 'A', 'S', '1' ), TASK_PRIORITY, RTEMS_MINIMUM_STACK_SIZE, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &Task_id ); directive_failed( status, "rtems_task_create" ); puts( "Calling rtems_task_start" ); status = rtems_task_start( Task_id, Task_1, (rtems_task_argument)&Mutex_id ); directive_failed( status, "rtems_task_start" ); sleep(1); puts( "Calling semaphore release" ); status = rtems_semaphore_release( Mutex_id ); directive_failed( status, "rtems_semaphore_release" ); TEST_END(); rtems_test_exit(0); } rtems_task Task_1( rtems_task_argument arg ) { int status_in_task; rtems_id *Mutex_id = (rtems_id *)arg; puts( "Init Task_1: Obtaining semaphore" ); status_in_task = rtems_semaphore_obtain( *Mutex_id, RTEMS_DEFAULT_OPTIONS, 0 ); directive_failed( status_in_task, "Task_1 rtems_semaphore_obtain" ); return; } /* configuration information */ #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER #define CONFIGURE_MAXIMUM_TASKS 2 #define CONFIGURE_MAXIMUM_SEMAPHORES 1 #define CONFIGURE_INIT_TASK_PRIORITY TASK_PRIORITY #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION #define CONFIGURE_RTEMS_INIT_TASKS_TABLE #define CONFIGURE_INIT #include /* global variables */