source: rtems/cpukit/sapi/include/rtems/extensionimpl.h @ 36272279

5
Last change on this file since 36272279 was 36272279, checked in by Sebastian Huber <sebastian.huber@…>, on 04/08/16 at 14:23:22

sapi: Avoid Giant lock for extensions

Extension create and delete is protected by the object allocator lock.

Update #2555.

  • Property mode set to 100644
File size: 1.1 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup ClassicUserExtensions
5 *
6 * @brief User Extensions API
7 */
8
9/*
10 *  COPYRIGHT (c) 1989-1999.
11 *  On-Line Applications Research Corporation (OAR).
12 *
13 *  The license and distribution terms for this file may be
14 *  found in the file LICENSE in this distribution or at
15 *  http://www.rtems.org/license/LICENSE.
16 */
17
18#ifndef _RTEMS_EXTENSIONIMPL_H
19#define _RTEMS_EXTENSIONIMPL_H
20
21#include <rtems/extension.h>
22#include <rtems/score/objectimpl.h>
23
24#ifdef __cplusplus
25extern "C" {
26#endif
27
28extern Objects_Information  _Extension_Information;
29
30RTEMS_INLINE_ROUTINE Extension_Control *_Extension_Allocate( void )
31{
32  return (Extension_Control *) _Objects_Allocate( &_Extension_Information );
33}
34
35RTEMS_INLINE_ROUTINE void _Extension_Free (
36  Extension_Control *the_extension
37)
38{
39  _Objects_Free( &_Extension_Information, &the_extension->Object );
40}
41
42RTEMS_INLINE_ROUTINE Extension_Control *_Extension_Get( Objects_Id id )
43{
44  return (Extension_Control *)
45    _Objects_Get_no_protection( &_Extension_Information, id );
46}
47
48#ifdef __cplusplus
49}
50#endif
51
52#endif
53/* end of include file */
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