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/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <itron.h>
#include <rtems/itron/semaphore.h>
#include <rtems/itron/task.h>
#include <rtems/score/tod.h>
/*
* sig_sem - Signal Semaphore
*
* This function implements the ITRON 3.0 sig_sem() service.
*/
ER sig_sem(
ID semid
)
{
ITRON_Semaphore_Control *the_semaphore;
Objects_Locations location;
CORE_semaphore_Status status;
the_semaphore = _ITRON_Semaphore_Get( semid, &location );
switch ( location ) {
case OBJECTS_REMOTE: /* Multiprocessing not supported */
case OBJECTS_ERROR:
return _ITRON_Semaphore_Clarify_get_id_error( semid );
case OBJECTS_LOCAL:
/*
* XXX maxsemcnt
*/
status = _CORE_semaphore_Surrender(
&the_semaphore->semaphore,
the_semaphore->Object.id,
NULL /* Multiprocessing not supported */
);
_Thread_Enable_dispatch();
return _ITRON_Semaphore_Translate_core_semaphore_return_code( status );
}
return E_OK;
}
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