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36 lines
781 B
C
36 lines
781 B
C
/*
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* Copyright (C) 2014 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @addtogroup core_util
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* @{
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*
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* @file atomic.h
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* @brief Atomic getter and setter functions
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*
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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*/
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#ifndef _ATOMIC_H
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#define _ATOMIC_H
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#include "arch/atomic_arch.h"
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/**
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* @brief Sets a new and returns the old value of a variable atomically
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*
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* @param[in] val The variable to be set
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* @param[in] set The value to be written
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*
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* @return The old value of *val*
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*/
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unsigned int atomic_set_return(unsigned int *val, unsigned int set);
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#endif /* _ATOMIC_H */
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/** @} */
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