diff options
Diffstat (limited to 'cpukit/score/src/objectidtoname.c')
-rw-r--r-- | cpukit/score/src/objectidtoname.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/cpukit/score/src/objectidtoname.c b/cpukit/score/src/objectidtoname.c new file mode 100644 index 0000000000..870d424986 --- /dev/null +++ b/cpukit/score/src/objectidtoname.c @@ -0,0 +1,79 @@ +/* + * Obtain Object Name Given ID + * + * + * COPYRIGHT (c) 1989-2003. + * 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/object.h> +#include <rtems/score/thread.h> + +/* + * _Objects_Id_to_name + * + * DESCRIPTION: + * + * This routine returns the name associated with the given ID. + * + * INPUT: + * + * id - id of object to lookup name + * name - pointer to location in which to store name + * + */ +Objects_Name_or_id_lookup_errors _Objects_Id_to_name ( + Objects_Id id, + Objects_Name *name +) +{ + uint32_t the_api; + uint32_t the_class; + Objects_Id tmpId; + Objects_Information *information; + Objects_Control *the_object = (Objects_Control *) 0; + Objects_Locations ignored_location; + + /* + * Caller is trusted for name != NULL. + */ + + tmpId = (id == OBJECTS_ID_OF_SELF) ? _Thread_Executing->Object.id : id; + + the_api = _Objects_Get_API( tmpId ); + if ( !_Objects_Is_api_valid( the_api ) ) + return OBJECTS_INVALID_ID; + + if ( !_Objects_Information_table[ the_api ] ) + return OBJECTS_INVALID_ID; + + the_class = _Objects_Get_class( tmpId ); + + information = _Objects_Information_table[ the_api ][ the_class ]; + if ( !information ) + return OBJECTS_INVALID_ID; + + #if defined(RTEMS_SCORE_OBJECT_ENABLE_STRING_NAMES) + if ( information->is_string ) + return OBJECTS_INVALID_ID; + #endif + + the_object = _Objects_Get( information, tmpId, &ignored_location ); + if ( !the_object ) + return OBJECTS_INVALID_ID; + + *name = the_object->name; + _Thread_Enable_dispatch(); + return OBJECTS_NAME_OR_ID_LOOKUP_SUCCESSFUL; +} |