54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
// Filename: atomicAdjustDummyImpl.h
|
|
// Created by: drose (09Aug02)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// 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."
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef ATOMICADJUSTDUMMYIMPL_H
|
|
#define ATOMICADJUSTDUMMYIMPL_H
|
|
|
|
#include "dtoolbase.h"
|
|
#include "selectThreadImpl.h"
|
|
|
|
#include "numeric_types.h"
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Class : AtomicAdjustDummyImpl
|
|
// Description : A trivial implementation for atomic adjustments for
|
|
// systems that don't require multiprogramming, and
|
|
// therefore don't require special atomic operations.
|
|
////////////////////////////////////////////////////////////////////
|
|
class EXPCL_DTOOL AtomicAdjustDummyImpl {
|
|
public:
|
|
typedef long Integer;
|
|
|
|
INLINE static void inc(TVOLATILE Integer &var);
|
|
INLINE static bool dec(TVOLATILE Integer &var);
|
|
INLINE static void add(TVOLATILE Integer &var, Integer delta);
|
|
INLINE static Integer set(TVOLATILE Integer &var, Integer new_value);
|
|
INLINE static Integer get(const TVOLATILE Integer &var);
|
|
|
|
INLINE static void *set_ptr(void * TVOLATILE &var, void *new_value);
|
|
INLINE static void *get_ptr(void * const TVOLATILE &var);
|
|
|
|
INLINE static Integer compare_and_exchange(TVOLATILE Integer &mem,
|
|
Integer old_value,
|
|
Integer new_value);
|
|
|
|
INLINE static void *compare_and_exchange_ptr(void * TVOLATILE &mem,
|
|
void *old_value,
|
|
void *new_value);
|
|
};
|
|
|
|
#include "atomicAdjustDummyImpl.I"
|
|
|
|
#endif
|