68 lines
2 KiB
C
68 lines
2 KiB
C
|
/**
|
||
|
|
* PANDA 3D SOFTWARE
|
||
|
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
||
|
|
*
|
||
|
|
* All use of this software is subject to the terms of the revised BSD
|
||
|
|
* license. You should have received a copy of this license along
|
||
|
|
* with this source code in a file named "LICENSE."
|
||
|
|
*
|
||
|
|
* @file atomicAdjustWin32Impl.h
|
||
|
|
* @author drose
|
||
|
|
* @date 2006-02-07
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef ATOMICADJUSTWIN32IMPL_H
|
||
|
|
#define ATOMICADJUSTWIN32IMPL_H
|
||
|
|
|
||
|
|
#include "dtoolbase.h"
|
||
|
|
#include "selectThreadImpl.h"
|
||
|
|
|
||
|
|
#ifdef WIN32_VC
|
||
|
|
|
||
|
|
#include "numeric_types.h"
|
||
|
|
|
||
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
||
|
|
#define WIN32_LEAN_AND_MEAN 1
|
||
|
|
#endif
|
||
|
|
#include <windows.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Uses Windows native calls to implement atomic adjustments.
|
||
|
|
*/
|
||
|
|
class EXPCL_DTOOL_DTOOLBASE AtomicAdjustWin32Impl {
|
||
|
|
public:
|
||
|
|
#ifdef _WIN64
|
||
|
|
// For 64-bit builds, we'd prefer to use a 64-bit integer.
|
||
|
|
typedef ALIGN_8BYTE LONGLONG Integer;
|
||
|
|
typedef void *UnalignedPointer;
|
||
|
|
typedef ALIGN_8BYTE UnalignedPointer Pointer;
|
||
|
|
#else
|
||
|
|
typedef ALIGN_4BYTE LONG Integer;
|
||
|
|
typedef void *UnalignedPointer;
|
||
|
|
typedef ALIGN_4BYTE UnalignedPointer Pointer;
|
||
|
|
#endif // _WIN64
|
||
|
|
|
||
|
|
ALWAYS_INLINE static void inc(TVOLATILE Integer &var);
|
||
|
|
ALWAYS_INLINE static bool dec(TVOLATILE Integer &var);
|
||
|
|
INLINE static Integer add(TVOLATILE Integer &var, Integer delta);
|
||
|
|
ALWAYS_INLINE static Integer set(TVOLATILE Integer &var, Integer new_value);
|
||
|
|
ALWAYS_INLINE static Integer get(const TVOLATILE Integer &var);
|
||
|
|
|
||
|
|
ALWAYS_INLINE static Pointer set_ptr(TVOLATILE Pointer &var, Pointer new_value);
|
||
|
|
ALWAYS_INLINE static Pointer get_ptr(const TVOLATILE Pointer &var);
|
||
|
|
|
||
|
|
INLINE static Integer compare_and_exchange(TVOLATILE Integer &mem,
|
||
|
|
Integer old_value,
|
||
|
|
Integer new_value);
|
||
|
|
|
||
|
|
INLINE static Pointer compare_and_exchange_ptr(TVOLATILE Pointer &mem,
|
||
|
|
Pointer old_value,
|
||
|
|
Pointer new_value);
|
||
|
|
};
|
||
|
|
|
||
|
|
#include "atomicAdjustWin32Impl.I"
|
||
|
|
|
||
|
|
#endif // WIN32_VC
|
||
|
|
|
||
|
|
#endif
|