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/*
* Object Handler
*
*
* COPYRIGHT (c) 1989-1998.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* 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 <rtems/system.h>
#include <rtems/score/address.h>
#include <rtems/score/chain.h>
#include <rtems/score/object.h>
#if defined(RTEMS_MULTIPROCESSING)
#include <rtems/score/objectmp.h>
#endif
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/score/sysstate.h>
#include <rtems/score/isr.h>
/*PAGE
*
* _Objects_Get
*
* This routine sets the object pointer for the given
* object id based on the given object information structure.
*
* Input parameters:
* information - pointer to entry in table for this class
* id - object id to search for
* location - address of where to store the location
*
* Output parameters:
* returns - address of object if local
* location - one of the following:
* OBJECTS_ERROR - invalid object ID
* OBJECTS_REMOTE - remote object
* OBJECTS_LOCAL - local object
*/
Objects_Control *_Objects_Get(
Objects_Information *information,
Objects_Id id,
Objects_Locations *location
)
{
Objects_Control *the_object;
unsigned32 index;
index = _Objects_Get_index( id );
if ( information->maximum >= index ) {
_Thread_Disable_dispatch();
if ( (the_object = _Objects_Get_local_object( information, index )) != NULL ) {
*location = OBJECTS_LOCAL;
return( the_object );
}
_Thread_Enable_dispatch();
*location = OBJECTS_ERROR;
return( NULL );
}
*location = OBJECTS_ERROR;
#if defined(RTEMS_MULTIPROCESSING)
_Objects_MP_Is_remote(
information,
_Objects_Build_id( information->the_class, _Objects_Local_node, index ),
location,
&the_object
);
return the_object;
#else
return NULL;
#endif
}
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