sptests/sp07/task2.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  *  COPYRIGHT (c) 1989-2011.
0005  *  On-Line Applications Research Corporation (OAR).
0006  *
0007  * Redistribution and use in source and binary forms, with or without
0008  * modification, are permitted provided that the following conditions
0009  * are met:
0010  * 1. Redistributions of source code must retain the above copyright
0011  *    notice, this list of conditions and the following disclaimer.
0012  * 2. Redistributions in binary form must reproduce the above copyright
0013  *    notice, this list of conditions and the following disclaimer in the
0014  *    documentation and/or other materials provided with the distribution.
0015  *
0016  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0017  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0018  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0019  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0020  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0021  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0022  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0023  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0024  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0025  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0026  * POSSIBILITY OF SUCH DAMAGE.
0027  */
0028
0029 #ifdef HAVE_CONFIG_H
0030 #include "config.h"
0031 #endif
0032
0033 #include "system.h"
0034
0035 rtems_task Task_2(
0036   rtems_task_argument argument
0037 )
0038 {
0039   rtems_status_code   status;
0040   rtems_task_priority the_priority;
0041   rtems_task_priority previous_priority;
0042
0043   status = rtems_task_set_priority(
0044     RTEMS_SELF,
0045     RTEMS_CURRENT_PRIORITY,
0046     &the_priority
0047   );
0048   directive_failed( status, "rtems_task_set_priority" );
0049
0050   while( FOREVER ) {
0051     if ( --the_priority == 0 ) {
0052       puts( "TA2 - rtems_task_suspend - suspend TA1" );
0053       status = rtems_task_suspend( Task_id[ 1 ] );
0054       directive_failed( status, "rtems_task_suspend" );
0055
0056       puts( "TA2 - rtems_task_set_priority - set priority of TA1 ( blocked )" );
0057       status = rtems_task_set_priority( Task_id[ 1 ], 5, &previous_priority );
0058       directive_failed( status, "rtems_task_set_priority" );
0059
0060       status = rtems_task_delete( Task_id[ 1 ] );          /* TA1 is blocked */
0061       directive_failed( status, "rtems_task_delete of TA1" );
0062       assert_extension_counts( &Task_deleted[ 0 ], 0x0 );
0063
0064       status = rtems_task_delete( Task_id[ 3 ] );          /* TA3 is ready   */
0065       directive_failed( status, "rtems_task_delete of TA3" );
0066       assert_extension_counts( &Task_deleted[ 0 ], 0x0 );
0067
0068       rtems_task_exit();
0069     } else {
0070
0071       printf(
0072         "TA2 - rtems_task_set_priority - set TA1's priority: "
0073             "%02" PRIdrtems_task_priority "\n",
0074         the_priority
0075       );
0076       status = rtems_task_set_priority(
0077                  Task_id[ 1 ],
0078                  the_priority,
0079                  &previous_priority
0080       );
0081       directive_failed( status, "rtems_task_set_priority" );
0082     }
0083   }
0084 }