/*
*
* 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.
*
* $Id$
*/
#include "system.h"
#undef EXTERN
#define EXTERN
#include "conftbl.h"
#include "gvar.h"
rtems_id Queue_id;
long Buffer[4];
rtems_task test_init(
rtems_task_argument argument
);
rtems_task Middle_tasks(
rtems_task_argument argument
);
rtems_task High_task(
rtems_task_argument argument
);
void Init(
rtems_task_argument argument
)
{
rtems_status_code status;
rtems_id id;
puts( "\n\n*** TIME TEST 11 ***" );
status = rtems_task_create(
1,
251,
1024,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&id
);
directive_failed( status, "rtems_task_create" );
status = rtems_task_start( id, test_init, 0 );
directive_failed( status, "rtems_task_start" );
status = rtems_task_delete( RTEMS_SELF );
directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
}
rtems_task test_init(
rtems_task_argument argument
)
{
rtems_unsigned32 index;
rtems_task_entry task_entry;
rtems_task_priority priority;
rtems_id task_id;
rtems_status_code status;
/* As each task is started, it preempts this task and
* performs a blocking rtems_message_queue_receive. Upon completion of
* this loop all created tasks are blocked.
*/
status = rtems_message_queue_create(
rtems_build_name( 'M', 'Q', '1', ' ' ),
OPERATION_COUNT,
RTEMS_DEFAULT_ATTRIBUTES,
&Queue_id
);
directive_failed( status, "rtems_message_queue_create" );
priority = 250;
for( index = 0; index < OPERATION_COUNT ; index++ ) {
status = rtems_task_create(
rtems_build_name( 'T', 'I', 'M', 'E' ),
priority,
1024,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id
);
directive_failed( status, "rtems_task_create LOOP" );
priority--;
if ( index==OPERATION_COUNT-1 ) task_entry = High_task;
else task_entry = Middle_tasks;
status = rtems_task_start( task_id, task_entry, 0 );
directive_failed( status, "rtems_task_start LOOP" );
}
Timer_initialize();
(void) rtems_message_queue_send( Queue_id, (long (*)[4]) Buffer );
}
rtems_task Middle_tasks(
rtems_task_argument argument
)
{
(void) rtems_message_queue_receive(
Queue_id,
(long (*)[4]) Buffer,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
(void) rtems_message_queue_send( Queue_id, (long (*)[4]) Buffer );
}
rtems_task High_task(
rtems_task_argument argument
)
{
(void) rtems_message_queue_receive(
Queue_id,
(long (*)[4]) Buffer,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
end_time = Read_timer();
put_time(
"rtems_message_queue_send (preemptive)",
end_time,
OPERATION_COUNT,
0,
CALLING_OVERHEAD_MESSAGE_QUEUE_SEND
);
exit( 0 );
}