/*
*
* 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.
*
* $Id$
*/
#define TEST_INIT
#include "system.h"
rtems_id Queue_id;
long Buffer[4];
rtems_task High_task(
rtems_task_argument argument
);
rtems_task Middle_tasks(
rtems_task_argument argument
);
rtems_task Low_task(
rtems_task_argument argument
);
void test_init();
rtems_task Init(
rtems_task_argument argument
)
{
rtems_status_code status;
Print_Warning();
puts( "\n\n*** TIME TEST 10 ***" );
test_init();
status = rtems_task_delete( RTEMS_SELF );
directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
}
void test_init()
{
rtems_unsigned32 index;
rtems_unsigned32 size;
rtems_task_entry task_entry;
rtems_status_code status;
rtems_task_priority priority;
rtems_id task_id;
priority = 5;
for( index = 0; index <= OPERATION_COUNT ; index++ ) {
status = rtems_task_create(
rtems_build_name( 'T', 'I', 'M', 'E' ),
priority,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id
);
directive_failed( status, "rtems_task_create LOOP" );
priority++;
if ( index==0 ) task_entry = High_task;
else if ( index==OPERATION_COUNT ) task_entry = Low_task;
else task_entry = Middle_tasks;
status = rtems_task_start( task_id, task_entry, 0 );
directive_failed( status, "rtems_task_start LOOP" );
}
status = rtems_message_queue_create(
1,
OPERATION_COUNT,
16,
RTEMS_DEFAULT_ATTRIBUTES,
&Queue_id
);
directive_failed( status, "rtems_message_queue_create" );
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) Empty_function();
overhead = Read_timer();
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_message_queue_receive(
Queue_id,
(long (*)[4]) Buffer,
&size,
RTEMS_NO_WAIT,
RTEMS_NO_TIMEOUT
);
end_time = Read_timer();
put_time(
"rtems_message_queue_receive: not available -- NO_WAIT",
end_time,
OPERATION_COUNT,
overhead,
CALLING_OVERHEAD_MESSAGE_QUEUE_RECEIVE
);
}
rtems_task High_task(
rtems_task_argument argument
)
{
rtems_unsigned32 size;
Timer_initialize();
(void) rtems_message_queue_receive(
Queue_id,
(long (*)[4]) Buffer,
&size,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
}
rtems_task Middle_tasks(
rtems_task_argument argument
)
{
rtems_unsigned32 size;
(void) rtems_message_queue_receive(
Queue_id,
(long (*)[4]) Buffer,
&size,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
}
rtems_task Low_task(
rtems_task_argument argument
)
{
end_time = Read_timer();
put_time(
"rtems_message_queue_receive: not available -- caller blocks",
end_time,
OPERATION_COUNT,
0,
CALLING_OVERHEAD_MESSAGE_QUEUE_RECEIVE
);
puts( "*** END OF TEST 10 ***" );
rtems_test_exit( 0 );
}