/usr/include/cxxtools/atomicity.h is in libcxxtools-dev 2.0-4ubuntu2.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2006-2007 by Marc Boris Duerner
* Copyright (C) 2006-2007 by Aloysius Indrayanto
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef CXXTOOLS_ATOMICITY_H
#include <cxxtools/config.h>
#if defined(CXXTOOLS_ATOMICITY_SUN)
#include <cxxtools/atomicity.sun.h>
#elif defined(CXXTOOLS_ATOMICITY_WINDOWS)
#include <cxxtools/atomicity.windows.h>
#elif defined(CXXTOOLS_ATOMICITY_GCC_ARM)
#include <cxxtools/atomicity.gcc.arm.h>
#elif defined(CXXTOOLS_ATOMICITY_GCC_MIPS)
#include <cxxtools/atomicity.gcc.mips.h>
#elif defined(CXXTOOLS_ATOMICITY_GCC_AVR32)
#include <cxxtools/atomicity.gcc.avr32.h>
#elif defined(CXXTOOLS_ATOMICITY_GCC_SPARC)
#include <cxxtools/atomicity.gcc.sparc.h>
#elif defined(CXXTOOLS_ATOMICITY_GCC_X86_64)
#include <cxxtools/atomicity.gcc.x86_64.h>
#elif defined(CXXTOOLS_ATOMICITY_GCC_X86)
#include <cxxtools/atomicity.gcc.x86.h>
#elif defined(CXXTOOLS_ATOMICITY_GCC_PPC)
#include <cxxtools/atomicity.gcc.ppc.h>
#elif defined(CXXTOOLS_ATOMICITY_PTHREAD)
#include <cxxtools/atomicity.pthread.h>
#elif defined(_WIN32) || defined(WIN32) || defined(_WIN32_WCE)
#define CXXTOOLS_ATOMICITY_WINDOWS
#include <cxxtools/atomicity.windows.h>
#elif defined(__sun)
#define CXXTOOLS_ATOMICITY_SUN
#include <cxxtools/atomicity.sun.h>
#elif defined(__GNUC__) || defined(__xlC__) || \
defined(__SUNPRO_CC) || defined(__SUNPRO_C)
#if defined (i386) || defined(__i386) || defined (__i386__) || \
defined(_X86_) || defined(sun386) || defined (_M_IX86)
#define CXXTOOLS_ATOMICITY_GCC_X86
#include <cxxtools/atomicity.gcc.x86.h>
#elif defined(__x86_64__) || defined(__amd64__)
#define CXXTOOLS_ATOMICITY_GCC_X86_64
#include <cxxtools/atomicity.gcc.x86_64.h>
#elif defined (ARM) || defined(__arm__) || defined(_M_ARM) || defined(_M_ARMT)
#define CXXTOOLS_ATOMICITY_GCC_ARM
#include <cxxtools/atomicity.gcc.arm.h>
#elif defined (AVR) || defined(__AVR__)
#define CXXTOOLS_ATOMICITY_GCC_AVR32
#include <cxxtools/atomicity.avr32.h>
#elif defined( _M_PPC ) || defined( PPC ) || \
defined( ppc ) || defined( __powerpc__ ) || \
defined( __ppc__ )
#define CXXTOOLS_ATOMICITY_GCC_PPC
#include <cxxtools/atomicity.gcc.ppc.h>
#elif defined(__mips__) || defined(MIPSEB) || defined(_MIPSEB) || \
defined(MIPSEL) || defined(_MIPSEL)
#define CXXTOOLS_ATOMICITY_GCC_MIPS
#include <cxxtools/atomicity.gcc.mips.h>
#elif defined(__sparc__) || defined(sparc) || defined(__sparc) || \
defined(__sparcv8) || defined(__sparcv9)
#define CXXTOOLS_ATOMICITY_GCC_SPARC
#include <cxxtools/atomicity.gcc.sparc.h>
#else
#include <cxxtools/atomicity.generic.h>
#endif
#else
#include <cxxtools/atomicity.generic.h>
#endif
namespace cxxtools {
/** @brief Atomically get a value
Returns the value after employing a memory fence.
*/
atomic_t atomicGet(volatile atomic_t& val);
/** @brief Atomically set a value
Sets the value and employs a memory fence.
*/
void atomicSet(volatile atomic_t& val, atomic_t n);
/** @brief Increases a value by one as an atomic operation
Returns the resulting incremented value.
*/
atomic_t atomicIncrement(volatile atomic_t& val);
/** @brief Decreases a value by one as an atomic operation
Returns the resulting decremented value.
*/
atomic_t atomicDecrement(volatile atomic_t& val);
/** @brief Performs atomic addition of two values
Returns the initial value of the addend.
*/
atomic_t atomicExchangeAdd(volatile atomic_t& val, atomic_t add);
/** @brief Performs an atomic compare-and-exchange operation
If \a val is equal to \a comp, \a val is replaced by \a exch. The initial
value of of \a val is returned.
*/
atomic_t atomicCompareExchange(volatile atomic_t& val, atomic_t exch, atomic_t comp);
/** @brief Performs an atomic compare-and-exchange operation
If \a ptr is equal to \a comp, \a ptr is replaced by \a exch. The initial
value of \a ptr is returned.
*/
void* atomicCompareExchange(void* volatile& ptr, void* exch, void* comp);
/** @brief Performs an atomic exchange operation
Sets \a val to \a exch and returns the initial value of \a val.
*/
atomic_t atomicExchange(volatile atomic_t& val, atomic_t exch);
/** @brief Performs an atomic exchange operation
Sets \a dest to \a exch and returns the initial value of \a dest.
*/
void* atomicExchange(void* volatile& dest, void* exch);
}
#endif
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