forked from Imagelibrary/rtems
75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/* Sm_test_task
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*
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* This task continuously obtains and releases a global semaphore.
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*
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* Input parameters:
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* argument - task argument
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*
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* Output parameters: NONE
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "system.h"
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extern rtems_multiprocessing_table Multiprocessing_configuration;
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rtems_task Semaphore_task(
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rtems_task_argument argument
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)
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{
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uint32_t count;
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rtems_status_code status;
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uint32_t yield_count;
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puts( "Getting SMID of semaphore" );
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while ( FOREVER ) {
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status = rtems_semaphore_ident(
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Semaphore_name[ 1 ],
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RTEMS_SEARCH_ALL_NODES,
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&Semaphore_id[ 1 ]
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);
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if ( status == RTEMS_SUCCESSFUL )
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break;
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puts( "rtems_semaphore_ident FAILED!!" );
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rtems_task_wake_after(2);
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}
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yield_count = 100;
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while ( Stop_Test == false ) {
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for ( count=SEMAPHORE_DOT_COUNT ; Stop_Test == false && count ; count-- ) {
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status = rtems_semaphore_obtain(
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Semaphore_id[ 1 ],
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RTEMS_DEFAULT_OPTIONS,
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RTEMS_NO_TIMEOUT
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);
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directive_failed( status, "rtems_semaphore_obtain" );
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status = rtems_semaphore_release( Semaphore_id[ 1 ] );
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directive_failed( status, "rtems_semaphore_release" );
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if ( Stop_Test == false )
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if ( Multiprocessing_configuration.node == 1 && --yield_count == 0 ) {
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status = rtems_task_wake_after( RTEMS_YIELD_PROCESSOR );
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directive_failed( status, "rtems_task_wake_after" );
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yield_count = 100;
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}
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}
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put_dot( 's' );
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}
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Exit_test();
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}
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