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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [tmtests/] [tm03/] [task1.c] - Rev 30
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/* * * 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.OARcorp.com/rtems/license.html. * * $Id: task1.c,v 1.2 2001-09-27 12:02:41 chris Exp $ */ #define TEST_INIT #include "system.h" rtems_id Semaphore_id; rtems_task test_init( rtems_task_argument argument ); rtems_task Middle_tasks( rtems_task_argument argument ); rtems_task High_task( rtems_task_argument argument ); rtems_task Init( rtems_task_argument argument ) { rtems_status_code status; rtems_id task_id; Print_Warning(); puts( "\n\n*** TIME TEST 3 ***" ); status = rtems_task_create( rtems_build_name( 'T', 'A', '1', ' ' ), 252, RTEMS_MINIMUM_STACK_SIZE, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &task_id ); directive_failed( status, "rtems_task_create of test_init" ); status = rtems_task_start( task_id, test_init, 0 ); directive_failed( status, "rtems_task_start of test_init" ); status = rtems_task_delete( RTEMS_SELF ); directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); } rtems_task test_init( rtems_task_argument argument ) { rtems_status_code status; rtems_unsigned32 index; rtems_id task_id; rtems_task_priority priority; priority = 250; status = rtems_semaphore_create( rtems_build_name( 'S', 'M', '1', '\0'), 0, RTEMS_DEFAULT_ATTRIBUTES, RTEMS_NO_PRIORITY, &Semaphore_id ); directive_failed( status, "rtems_semaphore_create of SM1" ); for ( index = 2 ; index <= OPERATION_COUNT ; index ++ ) { rtems_task_create( rtems_build_name( 'M', 'I', 'D', ' ' ), priority, RTEMS_MINIMUM_STACK_SIZE, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &task_id ); directive_failed( status, "rtems_task_create middle" ); priority--; rtems_task_start( task_id, Middle_tasks, 0 ); directive_failed( status, "rtems_task_start middle" ); } status = rtems_task_create( rtems_build_name( 'H', 'I', 'G', 'H' ), priority, RTEMS_MINIMUM_STACK_SIZE, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &task_id ); directive_failed( status, "rtems_task_create of high task" ); status = rtems_task_start( task_id, High_task, 0 ); directive_failed( status, "rtems_task_start of high task" ); Timer_initialize(); /* start the timer */ status = rtems_semaphore_release( Semaphore_id ); } rtems_task Middle_tasks( rtems_task_argument argument ) { rtems_status_code status; status = rtems_semaphore_obtain( Semaphore_id, RTEMS_DEFAULT_OPTIONS, RTEMS_NO_TIMEOUT ); status = rtems_semaphore_release( Semaphore_id ); } rtems_task High_task( rtems_task_argument argument ) { rtems_status_code status; status = rtems_semaphore_obtain( Semaphore_id, RTEMS_DEFAULT_OPTIONS, RTEMS_NO_TIMEOUT ); end_time = Read_timer(); put_time( "rtems_semaphore_release: task readied -- preempts caller", end_time, OPERATION_COUNT, 0, CALLING_OVERHEAD_SEMAPHORE_RELEASE ); puts( "*** END OF TEST 3 ***" ); exit( 0 ); }
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