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/**
* @file
*
* @ingroup ScoreChain
*
* @brief _Chain_Prepend_with_empty_check() implementation.
*/
/*
* Copyright (c) 2010 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/score/chainimpl.h>
#include <rtems/score/isr.h>
bool _Chain_Prepend_with_empty_check(
Chain_Control *chain,
Chain_Node *node
)
{
ISR_Level level;
bool was_empty;
_ISR_Disable( level );
was_empty = _Chain_Prepend_with_empty_check_unprotected( chain, node );
_ISR_Enable( level );
return was_empty;
}
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