diff options
Diffstat (limited to 'cpukit/score/src/objectnametoid.c')
-rw-r--r-- | cpukit/score/src/objectnametoid.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/cpukit/score/src/objectnametoid.c b/cpukit/score/src/objectnametoid.c new file mode 100644 index 0000000000..9cd75a274c --- /dev/null +++ b/cpukit/score/src/objectnametoid.c @@ -0,0 +1,102 @@ +/* + * Object Handler + * + * COPYRIGHT (c) 1989-2010. + * 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 +) +{ + bool search_local_node; + Objects_Control *the_object; + uint32_t index; +#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 ) { + 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 +} |