[317a5b5] | 1 | /* |
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| 2 | * Object Handler |
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| 3 | * |
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| 4 | * |
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[08311cc3] | 5 | * COPYRIGHT (c) 1989-1999. |
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[317a5b5] | 6 | * On-Line Applications Research Corporation (OAR). |
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| 7 | * |
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| 8 | * The license and distribution terms for this file may be |
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| 9 | * found in the file LICENSE in this distribution or at |
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[a6eef8b] | 10 | * http://www.rtems.com/license/LICENSE. |
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[317a5b5] | 11 | * |
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| 12 | * $Id$ |
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| 13 | */ |
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| 14 | |
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| 15 | #include <rtems/system.h> |
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| 16 | #include <rtems/score/address.h> |
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| 17 | #include <rtems/score/chain.h> |
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| 18 | #include <rtems/score/object.h> |
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| 19 | #if defined(RTEMS_MULTIPROCESSING) |
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| 20 | #include <rtems/score/objectmp.h> |
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| 21 | #endif |
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| 22 | #include <rtems/score/thread.h> |
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| 23 | #include <rtems/score/wkspace.h> |
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| 24 | #include <rtems/score/sysstate.h> |
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| 25 | #include <rtems/score/isr.h> |
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| 26 | |
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| 27 | /*PAGE |
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| 28 | * |
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| 29 | * _Objects_Name_to_id |
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| 30 | * |
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| 31 | * These kernel routines search the object table(s) for the given |
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| 32 | * object name and returns the associated object id. |
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| 33 | * |
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| 34 | * Input parameters: |
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| 35 | * information - object information |
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| 36 | * name - user defined object name |
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| 37 | * node - node indentifier (0 indicates any node) |
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| 38 | * id - address of return ID |
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| 39 | * |
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| 40 | * Output parameters: |
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| 41 | * id - object id |
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| 42 | * OBJECTS_SUCCESSFUL - if successful |
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| 43 | * error code - if unsuccessful |
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| 44 | */ |
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| 45 | |
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| 46 | Objects_Name_to_id_errors _Objects_Name_to_id( |
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| 47 | Objects_Information *information, |
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| 48 | Objects_Name name, |
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| 49 | unsigned32 node, |
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| 50 | Objects_Id *id |
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| 51 | ) |
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| 52 | { |
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| 53 | boolean search_local_node; |
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| 54 | Objects_Control *the_object; |
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| 55 | unsigned32 index; |
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| 56 | unsigned32 name_length; |
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| 57 | Objects_Name_comparators compare_them; |
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| 58 | |
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[df54012] | 59 | if ( !id ) |
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| 60 | return OBJECTS_INVALID_ADDRESS; |
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| 61 | |
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[317a5b5] | 62 | if ( name == 0 ) |
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| 63 | return OBJECTS_INVALID_NAME; |
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| 64 | |
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| 65 | search_local_node = FALSE; |
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| 66 | |
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| 67 | if ( information->maximum != 0 && |
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| 68 | (node == OBJECTS_SEARCH_ALL_NODES || node == OBJECTS_SEARCH_LOCAL_NODE || |
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| 69 | _Objects_Is_local_node( node ) ) ) |
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| 70 | search_local_node = TRUE; |
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| 71 | |
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| 72 | if ( search_local_node ) { |
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| 73 | name_length = information->name_length; |
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| 74 | |
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| 75 | if ( information->is_string ) compare_them = _Objects_Compare_name_string; |
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| 76 | else compare_them = _Objects_Compare_name_raw; |
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| 77 | |
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| 78 | for ( index = 1; index <= information->maximum; index++ ) { |
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| 79 | the_object = information->local_table[ index ]; |
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| 80 | if ( !the_object || !the_object->name ) |
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| 81 | continue; |
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| 82 | |
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| 83 | if ( (*compare_them)( name, the_object->name, name_length ) ) { |
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| 84 | *id = the_object->id; |
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| 85 | return OBJECTS_SUCCESSFUL; |
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| 86 | } |
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| 87 | } |
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| 88 | } |
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| 89 | |
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| 90 | if ( _Objects_Is_local_node( node ) || node == OBJECTS_SEARCH_LOCAL_NODE ) |
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| 91 | return OBJECTS_INVALID_NAME; |
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| 92 | |
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| 93 | #if defined(RTEMS_MULTIPROCESSING) |
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| 94 | return ( _Objects_MP_Global_name_search( information, name, node, id ) ); |
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| 95 | #else |
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| 96 | return OBJECTS_INVALID_NAME; |
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| 97 | #endif |
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| 98 | } |
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