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/*
* COPYRIGHT (c) 1989-2011.
* 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 <stdio.h>
#include <rtems.h>
#include <rtems/error.h>
static rtems_id taskId1;
static rtems_id taskId2;
rtems_interval ticksPerSecond;
#include "system.h"
static int
isSuspended (rtems_id tid)
{
rtems_status_code sc;
sc = rtems_task_is_suspended (tid);
if (sc == RTEMS_ALREADY_SUSPENDED)
return 1;
if (sc != RTEMS_SUCCESSFUL)
printf ("rtems_task_is_suspended: %s\n", rtems_status_text (sc));
return 0;
}
static void
subTask1 (rtems_task_argument arg)
{
rtems_status_code sc;
rtems_task_wake_after (ticksPerSecond * 3);
sc = rtems_event_send (taskId2, 1);
if (sc != RTEMS_SUCCESSFUL) {
printf ("subTask1 - Can't send event (%d)\n", sc);
rtems_task_suspend (RTEMS_SELF);
}
rtems_task_wake_after (ticksPerSecond * 3);
printf ("subTask1 - Event sent\n");
rtems_task_suspend (RTEMS_SELF);
printf ("subTask1 - Back to task 1\n");
rtems_task_wake_after (ticksPerSecond * 3);
rtems_task_suspend (RTEMS_SELF);
}
static void
subTask2 (rtems_task_argument arg)
{
rtems_status_code sc;
rtems_event_set ev;
rtems_task_wake_after (ticksPerSecond * 1);
sc = rtems_event_receive(
1,
RTEMS_WAIT|RTEMS_EVENT_ANY,
RTEMS_NO_TIMEOUT,
&ev
);
if (sc != RTEMS_SUCCESSFUL) {
printf ("subTask2 - Can't receive event (%d)\n", sc);
rtems_task_suspend (RTEMS_SELF);
}
printf ("subTask2 - Task 1 suspended? - should be 0: %d\n",
isSuspended (taskId1));
rtems_task_wake_after (ticksPerSecond * 4);
printf ("subTask2 - Task 1 suspended? - should be 1: %d\n",
isSuspended (taskId1));
rtems_task_resume (taskId1);
printf ("subTask2 - Task 1 suspended? - should be 0: %d\n",
isSuspended (taskId1));
rtems_task_wake_after (ticksPerSecond * 4);
printf ("subTask2 - Task 1 suspended? - should be 1: %d\n",
isSuspended (taskId1));
puts( "*** END OF TEST 26 ***" );
rtems_test_exit( 0 );
}
static void
createTask (char c, rtems_id *tid)
{
rtems_status_code sc;
sc = rtems_task_create (rtems_build_name('S','u','b',c),
RTEMS_MAXIMUM_PRIORITY - 1u,
RTEMS_MINIMUM_STACK_SIZE * 4,
RTEMS_PREEMPT|RTEMS_NO_TIMESLICE|RTEMS_NO_ASR|RTEMS_INTERRUPT_LEVEL(0),
RTEMS_NO_FLOATING_POINT|RTEMS_LOCAL,
tid);
if (sc != RTEMS_SUCCESSFUL) {
printf ("Can't create task (%d)\n", sc);
rtems_task_suspend (RTEMS_SELF);
}
}
static void
startTask (rtems_id tid, rtems_task_entry entry_point)
{
rtems_status_code sc;
sc = rtems_task_start (tid, entry_point, 0);
if (sc != RTEMS_SUCCESSFUL) {
printf ("Can't start task (%d)\n", sc);
rtems_task_suspend (RTEMS_SELF);
}
}
void
task1 (void)
{
ticksPerSecond = rtems_clock_get_ticks_per_second();
createTask ('1', &taskId1);
createTask ('2', &taskId2);
startTask (taskId1, subTask1);
startTask (taskId2, subTask2);
rtems_task_suspend (RTEMS_SELF);
}
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