/*
* Test for rtems_semaphore_flush
*
* $Id$
*/
#include <bsp.h>
rtems_task Init (rtems_task_argument argument);
#define CONFIGURE_EXTRA_TASK_STACKS RTEMS_MINIMUM_STACK_SIZE
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_MAXIMUM_TASKS 2
#define CONFIGURE_MAXIMUM_SEMAPHORES 2
#define CONFIGURE_INIT
#include <confdefs.h>
#include <rtems/error.h>
#include <stdio.h>
#include <stdlib.h>
rtems_interval ticksPerSecond;
rtems_task
subtask (rtems_task_argument arg)
{
rtems_status_code sc;
rtems_id sem = (rtems_id)arg;
for (;;) {
rtems_task_wake_after (ticksPerSecond * 2);
sc = rtems_semaphore_release (sem);
if (sc != RTEMS_SUCCESSFUL)
printf ("%d: Can't release semaphore: %s\n", __LINE__, rtems_status_text (sc));
}
}
void
startTask (rtems_id arg)
{
rtems_id tid;
rtems_status_code sc;
sc = rtems_task_create (rtems_build_name ('S', 'R', 'V', 'A'),
100,
RTEMS_MINIMUM_STACK_SIZE * 2,
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: %s\n", rtems_status_text (sc));
rtems_task_suspend (RTEMS_SELF);
}
sc = rtems_task_start (tid, subtask, arg);
if (sc != RTEMS_SUCCESSFUL) {
printf ("Can't start task: %s\n", rtems_status_text (sc));
rtems_task_suspend (RTEMS_SELF);
}
}
rtems_task Init (rtems_task_argument ignored)
{
int i;
rtems_id semrec, semnorec;
rtems_status_code sc;
rtems_interval then, now;
puts( "*** SP29 - SIMPLE SEMAPHORE TEST ***" );
puts( "This test only prints on errors." );
sc = rtems_clock_get (RTEMS_CLOCK_GET_TICKS_PER_SECOND, &ticksPerSecond);
if (sc != RTEMS_SUCCESSFUL) {
printf ("Can't get ticks per second: %s\n", rtems_status_text (sc));
exit (1);
}
sc = rtems_semaphore_create (rtems_build_name ('S', 'M', 'r', 'c'),
1,
RTEMS_PRIORITY|RTEMS_BINARY_SEMAPHORE|RTEMS_INHERIT_PRIORITY |RTEMS_NO_PRIORITY_CEILING|RTEMS_LOCAL,
0,
&semrec);
if (sc != RTEMS_SUCCESSFUL) {
printf ("%d: Can't create recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc));
exit (1);
}
sc = rtems_semaphore_create (rtems_build_name ('S', 'M', 'n', 'c'),
1,
RTEMS_PRIORITY|RTEMS_SIMPLE_BINARY_SEMAPHORE|RTEMS_INHERIT_PRIORITY |RTEMS_NO_PRIORITY_CEILING|RTEMS_LOCAL,
0,
&semnorec);
if (sc != RTEMS_SUCCESSFUL) {
printf ("%d: Can't create non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc));
exit (1);
}
sc = rtems_semaphore_obtain (semrec, RTEMS_NO_WAIT, 0);
if (sc != RTEMS_SUCCESSFUL) {
printf ("%d: Can't obtain recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc));
}
sc = rtems_semaphore_obtain (semrec, RTEMS_NO_WAIT, 0);
if (sc != RTEMS_SUCCESSFUL) {
printf ("%d: Can't reobtain recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc));
}
sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0);
if (sc != RTEMS_SUCCESSFUL) {
printf ("%d: Can't obtain non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc));
}
sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0);
if (sc == RTEMS_SUCCESSFUL) {
printf ("%d: Reobtain non-recursive-lock semaphore -- and should not have.\n", __LINE__);
}
sc = rtems_semaphore_release (semnorec);
if (sc != RTEMS_SUCCESSFUL) {
printf ("%d: Can't release non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc));
}
sc = rtems_semaphore_release (semnorec);
if (sc != RTEMS_SUCCESSFUL) {
printf ("%d: Can't rerelease non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc));
}
sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0);
if (sc != RTEMS_SUCCESSFUL) {
printf ("%d: Can't obtain non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc));
}
sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0);
if (sc == RTEMS_SUCCESSFUL) {
printf ("%d: Reobtain non-recursive-lock semaphore -- and should not have.\n", __LINE__);
}
else if (sc != RTEMS_UNSATISFIED) {
printf ("%d: Reobtain non-recursive-lock semaphore failed, but error is %d (%s), not RTEMS_UNSATISFIED.\n", __LINE__, sc, rtems_status_text (sc));
}
sc = rtems_semaphore_release (semnorec);
if (sc != RTEMS_SUCCESSFUL) {
printf ("%d: Can't release non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc));
}
sc = rtems_semaphore_release (semnorec);
if (sc != RTEMS_SUCCESSFUL) {
printf ("%d: Can't rerelease non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc));
}
sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0);
if (sc != RTEMS_SUCCESSFUL) {
printf ("%d: Can't obtain non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc));
}
/*
* Since this task is holding this, this task will block and timeout.
* Then the timeout error will be returned.
*/
rtems_clock_get (RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, &then);
sc = rtems_semaphore_obtain (semnorec, RTEMS_WAIT, 5);
rtems_clock_get (RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, &now);
if (sc == RTEMS_SUCCESSFUL) {
printf ("%d: Reobtain non-recursive-lock semaphore -- and should not have.\n", __LINE__);
}
else if (sc != RTEMS_TIMEOUT) {
printf ("%d: Reobtain non-recursive-lock semaphore failed, but error is %d (%s), not RTEMS_TIMEOUT.\n", __LINE__, sc, rtems_status_text (sc));
}
if ((then - now) < 4)
printf ("%d: Reobtain non-recursive-lock semaphore failed without timeout.\n", __LINE__);
startTask (semnorec);
rtems_clock_get (RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, &then);
for (i = 0 ; i < 5 ; i++) {
int diff;
sc = rtems_semaphore_obtain (semnorec, RTEMS_WAIT, RTEMS_NO_TIMEOUT);
rtems_clock_get (RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, &now);
diff = now - then;
then = now;
if (sc != RTEMS_SUCCESSFUL)
printf ("%d: Failed to obtain non-recursive-lock semaphore: %s\n", __LINE__, rtems_status_text (sc));
else if (diff < (2 * ticksPerSecond))
printf ("%d: Obtained obtain non-recursive-lock semaphore too quickly -- %d ticks not %d ticks\n", __LINE__, diff, (2 * ticksPerSecond) );
}
puts( "*** END OF SP29 ***" );
exit (0);
}
