forked from Imagelibrary/rtems
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
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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.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*/
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#include <itron.h>
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#include <rtems/itron/semaphore.h>
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#include <rtems/itron/task.h>
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#include <rtems/score/tod.h>
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/*
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* sig_sem - Signal Semaphore
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*
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* This function implements the ITRON 3.0 sig_sem() service.
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*/
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ER sig_sem(
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ID semid
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)
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{
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ITRON_Semaphore_Control *the_semaphore;
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Objects_Locations location;
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CORE_semaphore_Status status;
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the_semaphore = _ITRON_Semaphore_Get( semid, &location );
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switch ( location ) {
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case OBJECTS_REMOTE: /* Multiprocessing not supported */
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case OBJECTS_ERROR:
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return _ITRON_Semaphore_Clarify_get_id_error( semid );
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case OBJECTS_LOCAL:
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/*
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* XXX maxsemcnt
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*/
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status = _CORE_semaphore_Surrender(
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&the_semaphore->semaphore,
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the_semaphore->Object.id,
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NULL /* Multiprocessing not supported */
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);
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_Thread_Enable_dispatch();
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return _ITRON_Semaphore_Translate_core_semaphore_return_code( status );
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}
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return E_OK;
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}
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