source: rtems/cpukit/sapi/inline/rtems/extension.inl @ 503dc058

4.104.114.84.95
Last change on this file since 503dc058 was 503dc058, checked in by Joel Sherrill <joel.sherrill@…>, on 07/03/96 at 14:20:03

switched from "STATIC INLINE" to "RTEMS_INLINE_ROUTINE"

  • Property mode set to 100644
File size: 2.1 KB
Line 
1/*  extension.inl
2 *
3 *  This file contains the static inline implementation of the inlined routines
4 *  from the Extension Manager.
5 *
6 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
7 *  On-Line Applications Research Corporation (OAR).
8 *  All rights assigned to U.S. Government, 1994.
9 *
10 *  This material may be reproduced by or for the U.S. Government pursuant
11 *  to the copyright license under the clause at DFARS 252.227-7013.  This
12 *  notice must appear in all copies of this file and its derivatives.
13 *
14 *  $Id$
15 */
16
17#ifndef __EXTENSION_MANAGER_inl
18#define __EXTENSION_MANAGER_inl
19
20/*PAGE
21 *
22 *  _Extension_Allocate
23 *
24 *  DESCRIPTION:
25 *
26 *  This function allocates a extension control block from
27 *  the inactive chain of free extension control blocks.
28 */
29
30RTEMS_INLINE_ROUTINE Extension_Control *_Extension_Allocate( void )
31{
32  return (Extension_Control *) _Objects_Allocate( &_Extension_Information );
33}
34
35/*PAGE
36 *
37 *  _Extension_Free
38 *
39 *  DESCRIPTION:
40 *
41 *  This routine frees a extension control block to the
42 *  inactive chain of free extension control blocks.
43 */
44
45RTEMS_INLINE_ROUTINE void _Extension_Free (
46  Extension_Control *the_extension
47)
48{
49  _Objects_Free( &_Extension_Information, &the_extension->Object );
50}
51
52/*PAGE
53 *
54 *  _Extension_Get
55 *
56 *  DESCRIPTION:
57 *
58 *  This function maps extension IDs to extension control blocks.
59 *  If ID corresponds to a local extension, then it returns
60 *  the extension control pointer which maps to ID and location
61 *  is set to OBJECTS_LOCAL.  Otherwise, location is set
62 *  to OBJECTS_ERROR and the returned value is undefined.
63 */
64
65RTEMS_INLINE_ROUTINE Extension_Control *_Extension_Get (
66  Objects_Id         id,
67  Objects_Locations *location
68)
69{
70  return (Extension_Control *)
71    _Objects_Get( &_Extension_Information, id, location );
72}
73
74/*PAGE
75 *
76 *  _Extension_Is_null
77 *
78 *  DESCRIPTION:
79 *
80 *  This function returns TRUE if the_extension is NULL and FALSE otherwise.
81 */
82
83RTEMS_INLINE_ROUTINE boolean _Extension_Is_null (
84  Extension_Control *the_extension
85)
86{
87  return ( the_extension == NULL );
88}
89
90#endif
91/* end of include file */
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