source: rtems/cpukit/itron/include/rtems/itron/object.h @ 8cd0907c

4.104.114.84.95
Last change on this file since 8cd0907c was 6df1f64, checked in by Ralf Corsepius <ralf.corsepius@…>, on 01/28/05 at 11:07:14

New header guards.
  • Property mode set to 100644
File size: 3.3 KB
Line 
1/**
2 * @file rtems/itron/object.h
3 */
4
5/*
6 *  COPYRIGHT (c) 1989-1999.
7 *  On-Line Applications Research Corporation (OAR).
8 *
9 *  The license and distribution terms for this file may be
10 *  found in the file LICENSE in this distribution or at
11 *  http://www.rtems.com/license/LICENSE.
12 *
13 *  $Id$
14 */
15
16#ifndef _RTEMS_ITRON_OBJECT_H
17#define _RTEMS_ITRON_OBJECT_H
18
19#ifdef __cplusplus
20extern "C" {
21#endif
22
23#include <rtems/score/object.h>
24
25typedef Objects_Control ITRON_Objects_Control;
26
27/*
28 *  Maximum length of an ITRON object name
29 *
30 *  NOTE:  Since ITRON objects do not have names, then then length is 0.
31 */
32
33#define ITRON_MAXIMUM_NAME_LENGTH 0
34
35/*
36 *  _ITRON_Objects_Open
37 *
38 *  Make this ITRON object visible to the system.
39 *
40 *  NOTE:  This macro hides the fact that ITRON objects don't have names.
41 */
42
43#define _ITRON_Objects_Open( _the_information, _the_object ) \
44    _Objects_Open( (_the_information), (_the_object), NULL )
45
46/*
47 *  _ITRON_Objects_Close
48 *
49 *  Make this ITRON object invisible from the system.  Usually used as
50 *  the first step of deleting an object.
51 */
52
53#define _ITRON_Objects_Close( _the_information, _the_object ) \
54    _Objects_Close( (_the_information), (_the_object) )
55
56/*
57 *  _ITRON_Objects_Allocate_by_index
58 *
59 *  Allocate the ITRON object specified by "_id".  The ITRON id is the
60 *  index portion of the traditional RTEMS ID.  The Classic and POSIX
61 *  APIs do not require that a specific object be allocated.
62 */
63
64#define _ITRON_Objects_Allocate_by_index( _the_information, _id, _sizeof ) \
65    _Objects_Allocate_by_index( (_the_information), (_id), (_sizeof) )
66
67/*
68 *  _ITRON_Objects_Clarify_allocation_id_error
69 *
70 *  This function is invoked when an object allocation ID error
71 *  occurs to determine the specific ITRON error code to return.
72 */
73
74#define _ITRON_Objects_Clarify_allocation_id_error( _the_information, _id ) \
75  (((_id) < -4) ? E_OACV : /* attempt to access a "system object" */ \
76  ((_id) <= 0) ? E_ID :    /* bogus index of 0 - -3 */ \
77  ((_id) <= (_the_information)->maximum) ? E_OBJ : /* object is in use */ \
78   E_ID)  /* simply a bad id */
79
80/*
81 *  _ITRON_Objects_Clarify_get_id_error
82 *
83 *  This function is invoked when an object get ID error
84 *  occurs to determine the specific ITRON error code to return.
85 */
86
87#define _ITRON_Objects_Clarify_get_id_error( _the_information, _id ) \
88  (((_id) < -4) ? E_OACV : /* attempt to access a "system object" */ \
89  ((_id) <= 0) ? E_ID :    /* bogus index of 0 - -3 */ \
90  ((_id) <= (_the_information)->maximum) ? E_NOEXS : /* does not exist */ \
91   E_ID)  /* simply a bad id */
92
93
94/*
95 *  _ITRON_Objects_Free
96 *
97 *  Free this ITRON object to the pool of inactive objects.  This
98 *  operation is the same as for the Classic and POSIX APIs.
99 */
100
101#define _ITRON_Objects_Free( _the_information, _the_object ) \
102    _Objects_Free( (_the_information), (_the_object) )
103
104
105/*
106 *  _ITRON_Objects_Get
107 *
108 *  Obtain (get) the pointer to the control block for the object
109 *  specified by "id".  The ITRON id passed in here is simply
110 *  the "index" portion of the traditional RTEMS ID.  This
111 *  requires that this operation be slightly different
112 *  from the object get used by the Classic and POSIX APIs.
113 */
114
115#define _ITRON_Objects_Get( _the_information, _id, _the_object ) \
116    _Objects_Get_by_index( (_the_information), (_id), (_the_object) )
117
118#ifdef __cplusplus
119}
120#endif
121
122#endif
123/* end of include file */
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