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