53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file atomicAdjustDummyImpl.h
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* @author drose
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* @date 2002-08-09
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*/
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#ifndef ATOMICADJUSTDUMMYIMPL_H
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#define ATOMICADJUSTDUMMYIMPL_H
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#include "dtoolbase.h"
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#include "selectThreadImpl.h"
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#include "numeric_types.h"
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/**
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* A trivial implementation for atomic adjustments for systems that don't
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* require multiprogramming, and therefore don't require special atomic
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* operations.
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*/
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class EXPCL_DTOOL_DTOOLBASE AtomicAdjustDummyImpl {
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public:
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typedef long Integer;
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typedef void *Pointer;
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ALWAYS_INLINE static void inc(TVOLATILE Integer &var);
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ALWAYS_INLINE static bool dec(TVOLATILE Integer &var);
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ALWAYS_INLINE static Integer add(TVOLATILE Integer &var, Integer delta);
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ALWAYS_INLINE static Integer set(TVOLATILE Integer &var, Integer new_value);
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ALWAYS_INLINE static Integer get(const TVOLATILE Integer &var);
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ALWAYS_INLINE static Pointer set_ptr(TVOLATILE Pointer &var, Pointer new_value);
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ALWAYS_INLINE static Pointer get_ptr(const TVOLATILE Pointer &var);
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ALWAYS_INLINE static Integer compare_and_exchange(TVOLATILE Integer &mem,
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Integer old_value,
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Integer new_value);
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ALWAYS_INLINE static Pointer compare_and_exchange_ptr(TVOLATILE Pointer &mem,
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Pointer old_value,
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Pointer new_value);
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};
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#include "atomicAdjustDummyImpl.I"
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#endif
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