/* Sm_test_task * * This task continuously obtains and releases a global semaphore. * * Input parameters: * argument - task argument * * Output parameters: NONE * * COPYRIGHT (c) 1989-1999. * 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. * * $Id$ */ #include "system.h" extern rtems_multiprocessing_table Multiprocessing_configuration; rtems_task Semaphore_task( rtems_task_argument argument ) { uint32_t count; rtems_status_code status; uint32_t yield_count; puts( "Getting SMID of semaphore" ); while ( FOREVER ) { status = rtems_semaphore_ident( Semaphore_name[ 1 ], RTEMS_SEARCH_ALL_NODES, &Semaphore_id[ 1 ] ); if ( status == RTEMS_SUCCESSFUL ) break; puts( "rtems_semaphore_ident FAILED!!" ); rtems_task_wake_after(2); } yield_count = 100; while ( Stop_Test == FALSE ) { for ( count=SEMAPHORE_DOT_COUNT ; Stop_Test == FALSE && count ; count-- ) { status = rtems_semaphore_obtain( Semaphore_id[ 1 ], RTEMS_DEFAULT_OPTIONS, RTEMS_NO_TIMEOUT ); directive_failed( status, "rtems_semaphore_obtain" ); status = rtems_semaphore_release( Semaphore_id[ 1 ] ); directive_failed( status, "rtems_semaphore_release" ); if ( Stop_Test == FALSE ) if ( Multiprocessing_configuration.node == 1 && --yield_count == 0 ) { status = rtems_task_wake_after( RTEMS_YIELD_PROCESSOR ); directive_failed( status, "rtems_task_wake_after" ); yield_count = 100; } } put_dot( 's' ); } Exit_test(); }