forked from Imagelibrary/rtems
108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
/* Test_task2
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*
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* This task attempts to receive control of a global semaphore.
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* If running on the node on which the semaphore resides, the wait is
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* forever, otherwise it times out on a remote 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) 1989-2009.
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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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rtems_task Test_task2(
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rtems_task_argument argument
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)
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{
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rtems_status_code status;
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puts( "Getting SMID of semaphore" );
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do {
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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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} while ( !rtems_is_status_successful( status ) );
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directive_failed( status, "rtems_semaphore_ident" );
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if ( Multiprocessing_configuration.node == 1 ) {
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status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() );
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directive_failed( status, "rtems_task_wake_after" );
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puts( "Releasing semaphore ..." );
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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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status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() / 2 );
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directive_failed( status, "rtems_task_wake_after" );
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puts( "Getting semaphore ..." );
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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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puts( "Getting semaphore ..." );
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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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puts( "How did I get back from here????" );
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directive_failed( status, "rtems_semaphore_obtain" );
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}
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/*
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status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() / 2 );
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directive_failed( status, "rtems_task_wake_after" );
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*/
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puts( "Getting semaphore ..." );
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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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puts( "Releasing semaphore ..." );
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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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status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() );
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directive_failed( status, "rtems_task_wake_after" );
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puts( "Getting semaphore ..." );
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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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2 * rtems_clock_get_ticks_per_second()
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);
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fatal_directive_status(
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status,
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RTEMS_TIMEOUT,
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"rtems_semaphore_obtain"
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);
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puts( "rtems_semaphore_obtain correctly returned RTEMS_TIMEOUT" );
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puts( "*** END OF TEST 13 ***" );
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rtems_test_exit( 0 );
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}
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