sptests/sp12/task2.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*  Task_2
0004  *
0005  *  This routine serves as a test task.  It simply obtains semaphores
0006  *  1 and 2, the later when it is a high priority task.
0007  *
0008  *  Input parameters:
0009  *    argument - task argument
0010  *
0011  *  Output parameters:  NONE
0012  *
0013  *  COPYRIGHT (c) 1989-1999.
0014  *  On-Line Applications Research Corporation (OAR).
0015  *
0016  * Redistribution and use in source and binary forms, with or without
0017  * modification, are permitted provided that the following conditions
0018  * are met:
0019  * 1. Redistributions of source code must retain the above copyright
0020  *    notice, this list of conditions and the following disclaimer.
0021  * 2. Redistributions in binary form must reproduce the above copyright
0022  *    notice, this list of conditions and the following disclaimer in the
0023  *    documentation and/or other materials provided with the distribution.
0024  *
0025  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0026  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0027  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0028  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0029  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0030  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0031  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0032  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0033  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0034  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0035  * POSSIBILITY OF SUCH DAMAGE.
0036  */
0037
0038
0039 #ifdef HAVE_CONFIG_H
0040 #include "config.h"
0041 #endif
0042
0043 #include "system.h"
0044
0045 rtems_task Task_2(
0046   rtems_task_argument argument
0047 )
0048 {
0049   rtems_status_code   status;
0050   rtems_task_priority previous_priority;
0051
0052   puts( "TA2 - rtems_semaphore_obtain - wait forever on SM1" );
0053   status = rtems_semaphore_obtain(
0054     Semaphore_id[ 1 ],
0055     RTEMS_DEFAULT_OPTIONS,
0056     RTEMS_NO_TIMEOUT
0057   );
0058   puts( "TA2 - got SM1" );
0059   directive_failed( status, "rtems_semaphore_obtain on SM1" );
0060
0061   puts( "TA2 - rtems_semaphore_release - release SM1" );
0062   status = rtems_semaphore_release( Semaphore_id[ 1 ] );
0063   directive_failed( status, "rtems_semaphore_release on SM1" );
0064
0065   puts( "TA2 - rtems_task_set_priority - make self highest priority task" );
0066   status = rtems_task_set_priority( RTEMS_SELF, 3, &previous_priority );
0067   directive_failed( status, "rtems_task_set_priority on TA2" );
0068
0069   puts( "TA2 - rtems_semaphore_obtain - wait forever on SM2" );
0070   status = rtems_semaphore_obtain(
0071     Semaphore_id[ 2 ],
0072     RTEMS_DEFAULT_OPTIONS,
0073     RTEMS_NO_TIMEOUT
0074   );
0075   puts( "TA2 - got SM2" );
0076   directive_failed( status, "rtems_semaphore_obtain on SM2" );
0077
0078   puts( "TA2 - rtems_semaphore_release - release SM2" );
0079   status = rtems_semaphore_release( Semaphore_id[ 2 ] );
0080   directive_failed( status, "rtems_semaphore_release on SM2" );
0081
0082   puts( "TA2 - rtems_task_exit" );
0083   rtems_task_exit();
0084 }