mptests/mp14/smtask1.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*  Sm_test_task
0004  *
0005  *  This task continuously obtains and releases a global semaphore.
0006  *
0007  *  Input parameters:
0008  *    argument - task argument
0009  *
0010  *  Output parameters:  NONE
0011  *
0012  *  COPYRIGHT (c) 1989-1999.
0013  *  On-Line Applications Research Corporation (OAR).
0014  *
0015  * Redistribution and use in source and binary forms, with or without
0016  * modification, are permitted provided that the following conditions
0017  * are met:
0018  * 1. Redistributions of source code must retain the above copyright
0019  *    notice, this list of conditions and the following disclaimer.
0020  * 2. Redistributions in binary form must reproduce the above copyright
0021  *    notice, this list of conditions and the following disclaimer in the
0022  *    documentation and/or other materials provided with the distribution.
0023  *
0024  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0025  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0026  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0027  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0028  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0029  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0030  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0031  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0032  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0033  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0034  * POSSIBILITY OF SUCH DAMAGE.
0035  */
0036
0037 #ifdef HAVE_CONFIG_H
0038 #include "config.h"
0039 #endif
0040
0041 #include "system.h"
0042
0043 rtems_task Semaphore_task(
0044   rtems_task_argument argument
0045 )
0046 {
0047   uint32_t    count;
0048   rtems_status_code status;
0049   uint32_t    yield_count;
0050
0051   puts( "Getting SMID of semaphore" );
0052   while ( FOREVER ) {
0053     status = rtems_semaphore_ident(
0054       Semaphore_name[ 1 ],
0055       RTEMS_SEARCH_ALL_NODES,
0056       &Semaphore_id[ 1 ]
0057     );
0058     if ( status == RTEMS_SUCCESSFUL )
0059       break;
0060     puts( "rtems_semaphore_ident FAILED!!" );
0061     rtems_task_wake_after(2);
0062   }
0063
0064   yield_count = 100;
0065
0066   while ( Stop_Test == false ) {
0067
0068     for ( count=SEMAPHORE_DOT_COUNT ; Stop_Test == false && count ; count-- ) {
0069       status = rtems_semaphore_obtain(
0070         Semaphore_id[ 1 ],
0071         RTEMS_DEFAULT_OPTIONS,
0072         RTEMS_NO_TIMEOUT
0073       );
0074       directive_failed( status, "rtems_semaphore_obtain" );
0075
0076       status = rtems_semaphore_release( Semaphore_id[ 1 ] );
0077       directive_failed( status, "rtems_semaphore_release" );
0078
0079       if ( Stop_Test == false )
0080         if ( rtems_object_get_local_node() == 1 && --yield_count == 0 ) {
0081           status = rtems_task_wake_after( RTEMS_YIELD_PROCESSOR );
0082           directive_failed( status, "rtems_task_wake_after" );
0083
0084           yield_count = 100;
0085         }
0086     }
0087     put_dot( 's' );
0088   }
0089
0090   Exit_test();
0091 }