/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2013 Gedare Bloom.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <rtems.h>
#include <stdio.h>
#include "tmacros.h"
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_MAXIMUM_TASKS 3
#define CONFIGURE_MAXIMUM_SEMAPHORES 2
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
const char rtems_test_name[] = "SPSEM 1";
rtems_task Task01(rtems_task_argument ignored);
rtems_task Task02(rtems_task_argument ignored);
rtems_task Init(rtems_task_argument ignored);
static int getprio(void)
{
rtems_status_code status;
rtems_task_priority pri;
status = rtems_task_set_priority(RTEMS_SELF, RTEMS_CURRENT_PRIORITY, &pri);
directive_failed( status, "rtems_task_set_priority");
return (int)pri;
}
rtems_id Task_id[2];
rtems_name Task_name[2];
rtems_id sem_id[2];
rtems_name sem_name[2];
rtems_task Init(rtems_task_argument ignored)
{
rtems_status_code status;
rtems_attribute sem_attr;
TEST_BEGIN();
sem_attr = RTEMS_INHERIT_PRIORITY | RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY;
sem_name[0] = rtems_build_name( 'S','0',' ',' ');
status = rtems_semaphore_create(
sem_name[0],
1,
sem_attr,
0,
&sem_id[0]
);
directive_failed( status, "rtems_semaphore_create of S0");
printf("init: S0 created\n");
sem_name[1] = rtems_build_name( 'S','1',' ',' ');
status = rtems_semaphore_create(
sem_name[1],
1,
sem_attr,
0,
&sem_id[1]
);
directive_failed( status, "rtems_semaphore_create of S1");
printf("init: S1 created\n");
Task_name[0] = rtems_build_name( 'T','A','0','1');
status = rtems_task_create(
Task_name[0],
36,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&Task_id[0]
);
directive_failed( status, "rtems_task_create of TA01");
printf("init: TA01 created with priority 36\n");
Task_name[1] = rtems_build_name( 'T','A','0','2');
status = rtems_task_create(
Task_name[1],
34,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&Task_id[1]
);
directive_failed( status , "rtems_task_create of TA02\n");
printf("init: TA02 created with priority 34\n");
status = rtems_task_start( Task_id[0], Task01, 0);
directive_failed( status, "rtems_task_start of TA01");
rtems_task_exit();
}
/* Task01 starts with priority 36 */
rtems_task Task01(rtems_task_argument ignored)
{
rtems_status_code status;
printf("TA01: started with priority %d\n", getprio());
status = rtems_semaphore_obtain( sem_id[0], RTEMS_WAIT, 0 );
directive_failed( status, "rtems_semaphore_obtain of S0\n");
printf("TA01: priority %d, holding S0\n", getprio());
status = rtems_semaphore_obtain( sem_id[1], RTEMS_WAIT, 0 );
directive_failed( status, "rtems_semaphore_obtain of S1");
printf("TA01: priority %d, holding S0, S1\n", getprio());
/* Start Task 2 (TA02) with priority 34. It will run immediately. */
status = rtems_task_start( Task_id[1], Task02, 0);
directive_failed( status, "rtems_task_start of TA02\n");
status = rtems_semaphore_release(sem_id[1]);
directive_failed( status, "rtems_semaphore_release of S1\n");
printf("TA01: priority %d, holding S0\n", getprio());
status = rtems_semaphore_release(sem_id[0]);
directive_failed( status, "rtems_semaphore_release of S0\n");
printf("TA01: priority %d\n", getprio());
printf("TA01: exiting\n");
TEST_END();
rtems_test_exit(0);
}
/* TA02 starts at Task02 with priority 34 */
rtems_task Task02(rtems_task_argument ignored)
{
rtems_status_code status;
printf("TA02: started with priority %d\n", getprio());
/* Obtain S1, which should be held by TA01 by now */
status = rtems_semaphore_obtain( sem_id[1], RTEMS_WAIT, 0 );
directive_failed( status, " rtems_semaphore_obtain S1");
printf("TA02: priority %d, holding S1\n", getprio());
printf("TA02: suspending\n");
status = rtems_task_suspend( RTEMS_SELF);
directive_failed( status, "rtems_task_suspend TA02");
}