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/* Task_1
*
* This test serves as a test task. It verifies timeslicing activities
* and tswitch extension processing.
*
* Input parameters:
* argument - task argument
*
* Output parameters: NONE
*
* COPYRIGHT (c) 1989-2009.
* 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
#include "system.h"
static void
showTaskSwitches (void)
{
unsigned int i;
unsigned int switches = taskSwitchLogIndex;
for (i = 0 ; i < switches ; i++) {
put_name( Task_name[taskSwitchLog[i].taskIndex], FALSE );
print_time( "- ", &taskSwitchLog[i].when, "\n" );
}
}
static int test_no_preempt_step;
static rtems_id high_task_id;
static rtems_id low_task_id;
static void high_task( rtems_task_argument arg )
{
rtems_status_code sc;
rtems_test_assert( test_no_preempt_step == 2 );
test_no_preempt_step = 3;
sc = rtems_event_transient_send( Task_id[ 1 ] );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
rtems_task_suspend(RTEMS_SELF);
rtems_test_assert(0);
}
static void low_task( rtems_task_argument arg )
{
rtems_test_assert( test_no_preempt_step == 1 );
test_no_preempt_step = 2;
rtems_task_suspend(RTEMS_SELF);
rtems_test_assert(0);
}
static void no_preempt_timer( rtems_id id, void *arg )
{
rtems_status_code sc;
rtems_test_assert( test_no_preempt_step == 0 );
test_no_preempt_step = 1;
sc = rtems_task_start( low_task_id, low_task, 0 );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_task_start( high_task_id, high_task, 0 );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
}
static void test_no_preempt( void )
{
rtems_status_code sc;
rtems_id id;
rtems_test_assert( test_no_preempt_step == 0 );
sc = rtems_task_delete( Task_id[ 2 ] );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_task_delete( Task_id[ 3 ] );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_task_create(
rtems_build_name( 'H', 'I', 'G', 'H' ),
1,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&high_task_id
);
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_task_create(
rtems_build_name( 'L', 'O', 'W', ' ' ),
2,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_NO_PREEMPT,
RTEMS_DEFAULT_ATTRIBUTES,
&low_task_id
);
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_timer_create( rtems_build_name( 'N', 'O', 'P', 'R' ), &id );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_timer_fire_after( id, 1, no_preempt_timer, NULL );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_event_transient_receive( RTEMS_WAIT, RTEMS_NO_TIMEOUT );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_timer_delete( id );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_task_delete( high_task_id );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_task_delete( low_task_id );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
rtems_test_assert( test_no_preempt_step == 3 );
}
rtems_task Task_1(
rtems_task_argument argument
)
{
uint32_t seconds;
uint32_t old_seconds;
rtems_mode previous_mode;
rtems_time_of_day time;
rtems_status_code status;
uint32_t start_time;
uint32_t end_time;
puts( "TA1 - rtems_task_suspend - on Task 2" );
status = rtems_task_suspend( Task_id[ 2 ] );
directive_failed( status, "rtems_task_suspend of TA2" );
puts( "TA1 - rtems_task_suspend - on Task 3" );
status = rtems_task_suspend( Task_id[ 3 ] );
directive_failed( status, "rtems_task_suspend of TA3" );
status = rtems_clock_get_seconds_since_epoch( &start_time );
directive_failed( status, "rtems_clock_get_seconds_since_epoch" );
puts( "TA1 - killing time" );
for ( ; ; ) {
status = rtems_clock_get_seconds_since_epoch( &end_time );
directive_failed( status, "rtems_clock_get_seconds_since_epoch" );
if ( end_time > (start_time + 2) )
break;
}
puts( "TA1 - rtems_task_resume - on Task 2" );
status = rtems_task_resume( Task_id[ 2 ] );
directive_failed( status, "rtems_task_resume of TA2" );
puts( "TA1 - rtems_task_resume - on Task 3" );
status = rtems_task_resume( Task_id[ 3 ] );
directive_failed( status, "rtems_task_resume of TA3" );
while ( FOREVER ) {
if ( Run_count[ 1 ] >= 3 ) {
puts( "TA1 - rtems_task_mode - change mode to NO RTEMS_PREEMPT" );
status = rtems_task_mode(
RTEMS_NO_PREEMPT,
RTEMS_PREEMPT_MASK,
&previous_mode
);
directive_failed( status, "rtems_task_mode" );
status = rtems_clock_get_tod( &time );
directive_failed( status, "rtems_clock_get_tod" );
old_seconds = time.second;
for ( seconds = 0 ; seconds < 6 ; ) {
status = rtems_clock_get_tod( &time );
directive_failed( status, "rtems_clock_get_tod" );
if ( time.second != old_seconds ) {
old_seconds = time.second;
seconds++;
print_time( "TA1 - ", &time, "\n" );
}
}
puts( "TA1 - rtems_task_mode - change mode to RTEMS_PREEMPT" );
status = rtems_task_mode(
RTEMS_PREEMPT,
RTEMS_PREEMPT_MASK,
&previous_mode
);
directive_failed( status, "rtems_task_mode" );
while ( !testsFinished );
showTaskSwitches ();
puts( "TA1 - rtems_extension_delete - successful" );
status = rtems_extension_delete( Extension_id[1] );
directive_failed( status, "rtems_extension_delete" );
test_no_preempt();
TEST_END();
rtems_test_exit (0);
}
}
}
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