forked from Imagelibrary/rtems
149 lines
3.2 KiB
C
149 lines
3.2 KiB
C
/*
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*
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* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
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* On-Line Applications Research Corporation (OAR).
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* All rights assigned to U.S. Government, 1994.
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*
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* This material may be reproduced by or for the U.S. Government pursuant
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* to the copyright license under the clause at DFARS 252.227-7013. This
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* notice must appear in all copies of this file and its derivatives.
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*
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* $Id$
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*/
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#define TEST_INIT
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#include "system.h"
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rtems_unsigned32 Task_count;
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rtems_task test_init(
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rtems_task_argument argument
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);
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rtems_task Middle_tasks(
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rtems_task_argument argument
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);
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rtems_task High_task(
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rtems_task_argument argument
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);
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rtems_task Init(
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rtems_task_argument argument
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)
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{
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rtems_id id;
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rtems_status_code status;
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Print_Warning();
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puts( "\n\n*** TIME TEST 16 ***" );
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status = rtems_task_create(
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rtems_build_name( 'T', 'E', 'S', 'T' ),
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251,
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RTEMS_MINIMUM_STACK_SIZE,
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RTEMS_DEFAULT_MODES,
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RTEMS_DEFAULT_ATTRIBUTES,
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&id
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);
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directive_failed( status, "rtems_task_create of test_init" );
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status = rtems_task_start( id, test_init, 0 );
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directive_failed( status, "rtems_task_start of test_init" );
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status = rtems_task_delete( RTEMS_SELF );
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directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
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}
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rtems_task test_init(
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rtems_task_argument argument
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)
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{
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rtems_task_priority priority;
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rtems_status_code status;
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rtems_unsigned32 index;
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rtems_task_entry task_entry;
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/* As each task is started, it preempts this task and
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* performs a blocking rtems_event_receive. Upon completion of
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* this loop all created tasks are blocked.
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*/
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priority = 250;
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for( index = 0 ; index <= OPERATION_COUNT ; index++ ) {
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status = rtems_task_create(
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rtems_build_name( 'M', 'I', 'D', ' ' ),
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priority,
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RTEMS_MINIMUM_STACK_SIZE,
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RTEMS_DEFAULT_MODES,
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RTEMS_DEFAULT_ATTRIBUTES,
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&Task_id[ index ]
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);
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directive_failed( status, "rtems_task_create LOOP" );
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if ( index == OPERATION_COUNT ) task_entry = High_task;
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else task_entry = Middle_tasks;
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status = rtems_task_start( Task_id[ index ], task_entry, 0 );
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directive_failed( status, "rtems_task_start LOOP" );
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priority--;
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}
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Task_count = 0;
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Timer_initialize();
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(void) rtems_event_send( Task_id[ Task_count ], RTEMS_EVENT_16 );
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/* preempts task */
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}
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rtems_task Middle_tasks(
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rtems_task_argument argument
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)
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{
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rtems_event_set event_out;
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(void) rtems_event_receive( /* task blocks */
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RTEMS_EVENT_16,
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RTEMS_DEFAULT_OPTIONS,
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RTEMS_NO_TIMEOUT,
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&event_out
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);
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Task_count++;
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(void) rtems_event_send( /* preempts task */
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Task_id[ Task_count ],
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RTEMS_EVENT_16
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);
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}
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rtems_task High_task(
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rtems_task_argument argument
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)
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{
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rtems_event_set event_out;
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(void) rtems_event_receive( /* task blocks */
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RTEMS_EVENT_16,
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RTEMS_DEFAULT_OPTIONS,
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RTEMS_NO_TIMEOUT,
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&event_out
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);
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end_time = Read_timer();
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put_time(
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"rtems_event_send: task readied -- preempts caller",
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end_time,
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OPERATION_COUNT,
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0,
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CALLING_OVERHEAD_EVENT_SEND
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);
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puts( "*** END OF TEST 16 ***" );
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exit( 0 );
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}
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