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RIOT/core/include/atomic.h
Hauke Petersen 608afc4777 Introduced a cleaned-up cpu/core interface
- Included a collection of cpu-dependent headers in core/include/arch
- Extracted all interfaces that need to be implemented for a cpu
- Created a mapping between those interfaces and the old ones
- added flag for disabling arch interface
- added missing state to lpm_arch interface
- added arch interface for reboot
- fixed newline issues that were pointed out
- documentation fixes to cpu-core interface
2014-05-09 16:01:13 +02:00

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