---

at_win32_atomic.h

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//
// The Austria library is copyright (c) Gianni Mariani 2004.
// 
// Grant Of License.  Grants to LICENSEE the non-exclusive right to use the Austria
// library subject to the terms of the LGPL.
// 
// A copy of the license is available in this directory or one may be found at this URL:
//      http://www.gnu.org/copyleft/lesser.txt
// 
#include "at_exports.h"

#ifndef x_at_win32_atomic_h_x
#define x_at_win32_atomic_h_x 1

// Austria namespace
namespace at
{

// ======== AtomicCountType ===========================================
typedef long AtomicCountType;



// ======== AtomicIncrement ===========================================
AUSTRIA_EXPORT AtomicCountType AtomicIncrement(
    volatile AtomicCountType    * io_val
) throw ();

// ======== AtomicDecrement ===========================================
AUSTRIA_EXPORT AtomicCountType AtomicDecrement(
    volatile AtomicCountType    * io_val
) throw ();

// ======== AtomicBump ===========================================
AUSTRIA_EXPORT AtomicCountType AtomicBump(
    volatile AtomicCountType    * io_val,
    AtomicCountType                i_add_val
) throw ();



// ======== AtomicExchangeablePointer =================================
typedef void * AtomicExchangeablePointer;

// ======== AtomicExchangeableValue =================================
typedef long AtomicExchangeableValue;


// ======== AtomicExchange =======================================
AUSTRIA_EXPORT AtomicExchangeablePointer AtomicExchange(
    volatile AtomicExchangeablePointer      * io_mem_loc,
    AtomicExchangeablePointer                 i_val
);

AUSTRIA_EXPORT AtomicExchangeableValue AtomicExchange(
    volatile AtomicExchangeableValue      * io_mem_loc,
    AtomicExchangeableValue                 i_val
);


// ======== AtomicCompareExchangeValue ================================
AUSTRIA_EXPORT AtomicExchangeableValue AtomicCompareExchange(
    volatile AtomicExchangeableValue      * io_mem_loc,
    AtomicExchangeableValue                 i_val,
    AtomicExchangeableValue                 i_cmp
);

// ======== AtomicCompareExchangePointer ==============================
AUSTRIA_EXPORT AtomicExchangeablePointer AtomicCompareExchange(
    volatile AtomicExchangeablePointer      * io_mem_loc,
    AtomicExchangeablePointer                 i_val,
    AtomicExchangeablePointer                 i_cmp
);

}; // namespace

#endif // x_at_win32_atomic_h_x

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