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BUG#: 4585
TITLE: ProviderModule destructor doesn't unload if necessary

DESCRIPTION: Fixed as approved.

//%2005////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation, The Open Group.
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; VERITAS Software Corporation; The Open Group.
//
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// of this software and associated documentation files (the "Software"), to
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// 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
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//==============================================================================
//
// Author: Chip Vincent (cvincent@us.ibm.com)
//
// Modified By: Yi Zhou, Hewlett-Packard Company(yi_zhou@hp.com)
//              Mike Day, IBM (mdday@us.ibm.com)
//              Adrian Schuur, IBM (schuur@de.ibm.com)
//              Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)
//              Aruran, IBM (ashanmug@in.ibm.com) for Bug#4585
//
//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_ProviderModule_h
#define Pegasus_ProviderModule_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/String.h>
#include <Pegasus/Common/System.h>
#include <Pegasus/Common/IPC.h>

#include <Pegasus/Provider/CIMProvider.h>

#include <Pegasus/ProviderManager2/Default/Linkage.h>


PEGASUS_NAMESPACE_BEGIN

/** The ProviderModule class represents the physical module, as defined by the
    operating system, that contains one or more providers. Also this class in not reentrant.
 */
class PEGASUS_DEFPM_LINKAGE ProviderModule
{
public:
    ProviderModule(const String& fileName);
    virtual ~ProviderModule();

    const String& getFileName() const;

    CIMProvider* load(const String& providerName);
    void unloadModule();

private:
    ProviderModule();    // Unimplemented
    ProviderModule(const ProviderModule& pm);    // Unimplemented
    ProviderModule& operator=(const ProviderModule& pm);    // Unimplemented

    String _fileName;
    AtomicInt _refCount;
    DynamicLibraryHandle _library;
};

inline const String& ProviderModule::getFileName() const
{
   return(_fileName);
}

PEGASUS_NAMESPACE_END

#endif