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RIOT/core/include/arch/atomic_arch.h
2014-10-09 06:18:16 +07:00

54 lines
1.2 KiB
C

/*
* Copyright (C) 2014 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup core_arch
* @{
*
* @file atomic_arch.h
* @brief Architecture dependent interface for an atomic set operation
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*/
#ifndef __ATOMIC_ARCH_H
#define __ATOMIC_ARCH_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Define mappings between arch and internal interfaces
*
* This mapping is done for compatibility of existing platforms,
* new platforms should always use the *_arch_* interfaces.
* @{
*/
#ifdef COREIF_NG
#define atomic_set_return atomic_arch_set_return
#endif
/** @} */
/**
* @brief Set a value atomically without interruption from interrupts etc.
*
* @param[out] to_set variable to set
* @param[in] value value to set to_set to
*
* @return the value that was set
*/
unsigned int atomic_arch_set_return(unsigned int *to_set, unsigned int value);
#ifdef __cplusplus
}
#endif
#endif /* __ATOMIC_ARCH_H */
/** @} */