pegasus/src/Pegasus/Common/AtomicInt.h - diff

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Diff for /pegasus/src/Pegasus/Common/AtomicInt.h between version 1.1 and 1.1.2.3

version 1.1, 2005/10/11 23:47:23

version 1.1.2.3, 2005/10/11 23:57:18

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//%2005////////////////////////////////////////////////////////////////////////

// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.

// IBM Corp.; EMC Corporation, The Open Group.

// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; VERITAS Software Corporation; The Open Group.

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to

// deal in the Software without restriction, including without limitation the

// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

// sell copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN

// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED

// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT

// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR

// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION

// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

//==============================================================================

// Author: Mike Brasher (mbrasher@austin.rr.com)

//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_AtomicInt_h

#define Pegasus_AtomicInt_h

#include <Pegasus/Common/Config.h>

#ifndef PEGASUS_INTERNALONLY

# error "ERROR: This header is for internal use only (AtomicInt.h)"

#endif

PEGASUS_NAMESPACE_BEGIN

template<class ATOMIC_TYPE>

class AtomicIntTemplate

{

public:

// Constructor.

AtomicIntTemplate(Uint32 n = 0);

// Destructor.

~AtomicIntTemplate();

// Sets value.

void set(Uint32 n);

// Gets value.

Uint32 get() const;

// Increment.

void inc();

// Decrement.

void dec();

// Decrements and returns true if it is zero.

bool dec_and_test();

// Assignment.

AtomicIntTemplate& operator=(Uint32 n) { set(n); }

// Post-increment.

void operator++(int) { inc(); }

// Post-decrement.

void operator--(int) { dec(); }

private:

// Note: These methods are intentionally hidden (and should not be called).

// The implementation is much easier without having to implement these for

// every platform.

AtomicIntTemplate(const AtomicIntTemplate&) { }

AtomicIntTemplate& operator=(const AtomicIntTemplate&) { return *this; }

Boolean operator==(Uint32) const { return false; }

void operator++() { }

void operator--() { }

typedef AtomicIntTemplate<ATOMIC_TYPE> This;

ATOMIC_TYPE _rep;

};

PEGASUS_NAMESPACE_END

#if defined(PEGASUS_PLATFORM_LINUX_IX86_GNU)

# include <Pegasus/Common/AtomicInt_LINUX_IX86_GNU.h>

#elif defined(PEGASUS_PLATFORM_LINUX_PPC_GNU)

# include <Pegasus/Common/AtomicInt_LINUX_PPC_GNU.h>

#elif defined(PEGASUS_PLATFORM_WIN32_IX86_MSVC)

# include <Pegasus/Common/AtomicInt_WIN32_IX86_MSVC.h>

#elif defined (PEGASUS_PLATFORM_ZOS_ZSERIES_IBM)

# include <Pegasus/Common/AtomicInt_ZOS_ZSERIES_IBM.h>

#else

# include <Pegasus/Common/AtomicInt_Generic.h>

#endif

PEGASUS_NAMESPACE_BEGIN

typedef AtomicIntTemplate<AtomicType> NewAtomicInt;

PEGASUS_NAMESPACE_END

#endif /* Pegasus_AtomicInt_h */

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