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

4.11
Last change on this file since 25f5730f was c499856, checked in by Chris Johns <chrisj@…>, on Mar 20, 2014 at 9:10:47 PM

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

  • Property mode set to 100644
File size: 859 bytes
Line 
1/**
2 * @file
3 *
4 * @ingroup ScoreChain
5 *
6 * @brief _Chain_Prepend_with_empty_check() implementation.
7 */
8
9/*
10 * Copyright (c) 2010 embedded brains GmbH.  All rights reserved.
11 *
12 *  embedded brains GmbH
13 *  Obere Lagerstr. 30
14 *  82178 Puchheim
15 *  Germany
16 *  <rtems@embedded-brains.de>
17 *
18 * The license and distribution terms for this file may be
19 * found in the file LICENSE in this distribution or at
20 * http://www.rtems.org/license/LICENSE.
21 */
22
23#if HAVE_CONFIG_H
24#include "config.h"
25#endif
26
27#include <rtems/system.h>
28#include <rtems/score/chainimpl.h>
29#include <rtems/score/isr.h>
30
31bool _Chain_Prepend_with_empty_check(
32  Chain_Control *chain,
33  Chain_Node *node
34)
35{
36  ISR_Level level;
37  bool was_empty;
38
39  _ISR_Disable( level );
40  was_empty = _Chain_Prepend_with_empty_check_unprotected( chain, node );
41  _ISR_Enable( level );
42
43  return was_empty;
44}
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