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/*
*
* COPYRIGHT (c) 1989-2013.
* 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.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define CONFIGURE_INIT
#include "system.h"
const char rtems_test_name[] = "TIME TEST 22";
rtems_id Queue_id;
long Buffer[4];
rtems_task Low_task(
rtems_task_argument argument
);
rtems_task High_task(
rtems_task_argument argument
);
rtems_task Preempt_task(
rtems_task_argument argument
);
rtems_task Init(
rtems_task_argument argument
)
{
rtems_id id;
rtems_status_code status;
Print_Warning();
TEST_BEGIN();
status = rtems_message_queue_create(
rtems_build_name( 'M', 'Q', '1', ' '),
100,
MESSAGE_SIZE,
RTEMS_DEFAULT_ATTRIBUTES,
&Queue_id
);
directive_failed( status, "rtems_message_queue_create" );
status = rtems_task_create(
rtems_build_name( 'L', 'O', 'W', ' ' ),
10,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_NO_PREEMPT,
RTEMS_DEFAULT_ATTRIBUTES,
&id
);
directive_failed( status, "rtems_task_create" );
status = rtems_task_start( id, Low_task, 0 );
directive_failed( status, "rtems_task_start LOW" );
status = rtems_task_create(
1,
11,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&id
);
directive_failed( status, "rtems_task_create RTEMS_PREEMPT" );
status = rtems_task_start( id, Preempt_task, 0 );
directive_failed( status, "rtems_task_start RTEMS_PREEMPT" );
rtems_task_exit();
}
rtems_task High_task(
rtems_task_argument argument
)
{
uint32_t count;
rtems_status_code status;
benchmark_timer_initialize();
(void) rtems_message_queue_broadcast(
Queue_id,
Buffer,
MESSAGE_SIZE,
&count
);
end_time = benchmark_timer_read();
put_time(
"rtems_message_queue_broadcast: task readied returns to caller",
end_time,
1,
0,
0
);
status = rtems_task_suspend(RTEMS_SELF);
directive_failed( status, "rtems_task_suspend" );
}
rtems_task Low_task(
rtems_task_argument argument
)
{
rtems_id id;
uint32_t index;
uint32_t count;
size_t size;
rtems_status_code status;
status = rtems_task_create(
rtems_build_name( 'H', 'I', 'G', 'H' ),
5,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_NO_PREEMPT,
RTEMS_DEFAULT_ATTRIBUTES,
&id
);
directive_failed( status, "rtems_task_create" );
status = rtems_task_start( id, High_task, 0 );
directive_failed( status, "rtems_task_start HIGH" );
status = rtems_message_queue_receive(
Queue_id,
(long (*)[4]) Buffer,
&size,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
directive_failed( status, "message_queu_receive" );
benchmark_timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_message_queue_broadcast(
Queue_id,
Buffer,
MESSAGE_SIZE,
&count
);
end_time = benchmark_timer_read();
put_time(
"rtems_message_queue_broadcast: no waiting tasks",
end_time,
OPERATION_COUNT,
1,
0
);
(void) rtems_message_queue_receive(
Queue_id,
(long (*)[4]) Buffer,
&size,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
/* should go to Preempt_task here */
end_time = benchmark_timer_read();
put_time(
"rtems_message_queue_broadcast: task readied -- preempts caller",
end_time,
1,
0,
0
);
TEST_END();
rtems_test_exit( 0 );
}
rtems_task Preempt_task(
rtems_task_argument argument
)
{
uint32_t count;
benchmark_timer_initialize();
(void) rtems_message_queue_broadcast(
Queue_id,
Buffer,
MESSAGE_SIZE,
&count
);
/* should be preempted by low task */
}
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