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/*
* Object Handler
*
*
* COPYRIGHT (c) 1989-2008.
* 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.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#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_Name_to_id_u32
*
* These kernel routines search the object table(s) for the given
* object name and returns the associated object id.
*
* Input parameters:
* information - object information
* name - user defined object name
* node - node indentifier (0 indicates any node)
* id - address of return ID
*
* Output parameters:
* id - object id
* OBJECTS_NAME_OR_ID_LOOKUP_SUCCESSFUL - if successful
* error code - if unsuccessful
*/
Objects_Name_or_id_lookup_errors _Objects_Name_to_id_u32(
Objects_Information *information,
uint32_t name,
uint32_t node,
Objects_Id *id
)
{
boolean search_local_node;
Objects_Control *the_object;
uint32_t index;
uint32_t name_length;
#if defined(RTEMS_MULTIPROCESSING)
Objects_Name name_for_mp;
#endif
/* ASSERT: information->is_string == FALSE */
if ( !id )
return OBJECTS_INVALID_ADDRESS;
if ( name == 0 )
return OBJECTS_INVALID_NAME;
search_local_node = FALSE;
if ( information->maximum != 0 &&
(node == OBJECTS_SEARCH_ALL_NODES ||
node == OBJECTS_SEARCH_LOCAL_NODE ||
_Objects_Is_local_node( node )
))
search_local_node = TRUE;
if ( search_local_node ) {
name_length = information->name_length;
for ( index = 1; index <= information->maximum; index++ ) {
the_object = information->local_table[ index ];
if ( !the_object )
continue;
if ( name == the_object->name.name_u32 ) {
*id = the_object->id;
return OBJECTS_NAME_OR_ID_LOOKUP_SUCCESSFUL;
}
}
}
#if defined(RTEMS_MULTIPROCESSING)
if ( _Objects_Is_local_node( node ) || node == OBJECTS_SEARCH_LOCAL_NODE )
return OBJECTS_INVALID_NAME;
name_for_mp.name_u32 = name;
return _Objects_MP_Global_name_search( information, name_for_mp, node, id );
#else
return OBJECTS_INVALID_NAME;
#endif
}
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