simplereferenceobject.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 
 
#ifndef INCLUDED_SALHELPER_SIMPLEREFERENCEOBJECT_HXX
#define INCLUDED_SALHELPER_SIMPLEREFERENCEOBJECT_HXX
 
#include "osl/interlck.h"
#include "salhelper/salhelperdllapi.h"
 
#include <cstddef>
#include <new>
 
namespace salhelper {
 
class SALHELPER_DLLPUBLIC SimpleReferenceObject
{
public:
    SimpleReferenceObject(): m_nCount(0) {}
 
    void acquire()
    { osl_atomic_increment(&m_nCount); }
 
    void release()
    { if (osl_atomic_decrement(&m_nCount) == 0) delete this; }
 
    static void * operator new(std::size_t nSize);
 
    static void * operator new(std::size_t nSize,
                               std::nothrow_t const & rNothrow);
 
    static void operator delete(void * pPtr);
 
    static void operator delete(void * pPtr, std::nothrow_t const & rNothrow);
 
protected:
    virtual ~SimpleReferenceObject() COVERITY_NOEXCEPT_FALSE;
 
    oslInterlockedCount m_nCount;
 
private:
    SimpleReferenceObject(SimpleReferenceObject &) SAL_DELETED_FUNCTION;
 
    void operator =(SimpleReferenceObject) SAL_DELETED_FUNCTION;
 
    static void * operator new[](std::size_t) SAL_DELETED_FUNCTION;
 
    static void operator delete[](void * pPtr) SAL_DELETED_FUNCTION;
};
 
}
 
#endif // INCLUDED_SALHELPER_SIMPLEREFERENCEOBJECT_HXX
 
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