/*
* 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 <tmacros.h>
#include <bsp.h>
const char rtems_test_name[] = "SP 29";
rtems_task Init (rtems_task_argument argument);
#define CONFIGURE_EXTRA_TASK_STACKS RTEMS_MINIMUM_STACK_SIZE
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_MAXIMUM_TASKS 2
#define CONFIGURE_MAXIMUM_SEMAPHORES 2
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
#include <rtems/error.h>
#include <stdio.h>
#include <stdlib.h>
#include "tmacros.h"
rtems_interval ticksPerSecond;
rtems_task subtask(rtems_task_argument arg);
void startTask(rtems_id arg);
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'),
RTEMS_MAXIMUM_PRIORITY - 1u,
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;
TEST_BEGIN();
puts( "This test only prints on errors." );
ticksPerSecond = rtems_clock_get_ticks_per_second();
if (ticksPerSecond <= 0) {
printf(
"Invalid ticks per second: %" PRIdrtems_interval "\n",
ticksPerSecond
);
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
);
directive_failed( sc, "create recursive lock" );
sc = rtems_semaphore_create (rtems_build_name ('S', 'M', 'n', 'c'),
1,
RTEMS_PRIORITY|RTEMS_SIMPLE_BINARY_SEMAPHORE|RTEMS_NO_INHERIT_PRIORITY| \
RTEMS_NO_PRIORITY_CEILING|RTEMS_LOCAL,
0,
&semnorec
);
directive_failed( sc, "create non-recursive lock" );
sc = rtems_semaphore_obtain (semrec, RTEMS_NO_WAIT, 0);
directive_failed( sc, "obtain recursive lock" );
sc = rtems_semaphore_obtain (semrec, RTEMS_NO_WAIT, 0);
directive_failed( sc, "reobtain recursive lock" );
sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0);
directive_failed( sc, "reobtain recursive lock" );
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__
);
rtems_test_exit(1);
}
sc = rtems_semaphore_release (semnorec);
directive_failed( sc, "release non-recursive lock" );
sc = rtems_semaphore_release (semnorec);
directive_failed( sc, "re-release non-recursive lock" );
sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0);
directive_failed( sc, "obtain non-recursive lock" );
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);
directive_failed( sc, "release non-recursive lock" );
sc = rtems_semaphore_release (semnorec);
directive_failed( sc, "rerelease non-recursive lock" );
sc = rtems_semaphore_obtain (semnorec, RTEMS_NO_WAIT, 0);
directive_failed( sc, "obtain non-recursive lock" );
/*
* Since this task is holding this, this task will block and timeout.
* Then the timeout error will be returned.
*/
then = rtems_clock_get_ticks_since_boot();
sc = rtems_semaphore_obtain (semnorec, RTEMS_WAIT, 5);
now = rtems_clock_get_ticks_since_boot();
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);
then = rtems_clock_get_ticks_since_boot();
for (i = 0 ; i < 5 ; i++) {
rtems_interval diff;
sc = rtems_semaphore_obtain(
semnorec,
RTEMS_WAIT,
RTEMS_NO_TIMEOUT
);
now = rtems_clock_get_ticks_since_boot();
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 < (int) (2 * ticksPerSecond)) {
printf(
"%d: Obtained obtain non-recursive-lock semaphore too quickly -- %"
PRIdrtems_interval " ticks not %" PRIdrtems_interval " ticks\n",
__LINE__,
diff,
(2 * ticksPerSecond)
);
}
}
TEST_END();
rtems_test_exit (0);
}