forked from Imagelibrary/rtems
a19ae9ec60
PR 1673/cpukit * score/src/chainappendempty.c, score/src/chaingetempty.c, score/src/chainprependempty.c: New files. * score/Makefile.am: Reflect changes above. * score/include/rtems/score/chain.h: Declare _Chain_Append_with_empty_check(), _Chain_Prepend_with_empty_check(), and _Chain_Get_with_empty_check(). * score/inline/rtems/score/chain.inl: Define _Chain_Append_with_empty_check_unprotected(), _Chain_Prepend_with_empty_check_unprotected(), and _Chain_Get_with_empty_check_unprotected().
45 lines
852 B
C
45 lines
852 B
C
/**
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* @file
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*
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* @ingroup ScoreChain
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*
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* @brief _Chain_Append_with_empty_check() implementation.
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*/
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/*
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* Copyright (c) 2010 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Obere Lagerstr. 30
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems/system.h>
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#include <rtems/score/chain.h>
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#include <rtems/score/isr.h>
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bool _Chain_Append_with_empty_check(
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Chain_Control *chain,
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Chain_Node *node
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)
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{
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ISR_Level level;
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bool was_empty;
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_ISR_Disable( level );
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was_empty = _Chain_Append_with_empty_check_unprotected( chain, node );
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_ISR_Enable( level );
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return was_empty;
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}
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