source: rtems/cpukit/score/src/userextaddset.c @ 25f5730f

4.115
Last change on this file since 25f5730f was c499856, checked in by Chris Johns <chrisj@…>, on 03/20/14 at 21:10:47

Change all references of rtems.com to rtems.org.

  • Property mode set to 100644
File size: 1.0 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup ScoreUserExt
5 *
6 * @brief User Extension Handler implementation.
7 */
8
9/*
10 *  COPYRIGHT (c) 1989-2007.
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#if HAVE_CONFIG_H
19#include "config.h"
20#endif
21
22#include <rtems/score/userextimpl.h>
23#include <rtems/score/percpu.h>
24
25void _User_extensions_Add_set(
26  User_extensions_Control *the_extension
27)
28{
29  _Chain_Append( &_User_extensions_List, &the_extension->Node );
30
31  /*
32   * If a switch handler is present, append it to the switch chain.
33   */
34
35  if ( the_extension->Callouts.thread_switch != NULL ) {
36    ISR_Level level;
37
38    the_extension->Switch.thread_switch =
39      the_extension->Callouts.thread_switch;
40
41    _Per_CPU_Acquire_all( level );
42    _Chain_Append_unprotected(
43      &_User_extensions_Switches_list,
44      &the_extension->Switch.Node
45    );
46    _Per_CPU_Release_all( level );
47  }
48}
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