oaCommonSharedLib.h

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// *****************************************************************************
// *****************************************************************************
// oaCommonSharedLib.h
//
// This file contains the definition of the SharedLib and supporting classes. 
//
// SharedLib
//      This is class represents a shared library. It is used to 
//      programmatically load shared libraries and to obtain symbols. 
//
// *****************************************************************************
// Except as specified in the OpenAccess terms of use of Cadence or Silicon
// Integration Initiative, this material may not be copied, modified,
// re-published, uploaded, executed, or distributed in any way, in any medium,
// in whole or in part, without prior written permission from Cadence.
//
//                Copyright 2002-2005 Cadence Design Systems, Inc.
//                           All Rights Reserved.
//
//  $Author: icftcm $
//  $Revision: #1 $
//  $Date: 2010/08/09 $
//  $State$
// *****************************************************************************
// *****************************************************************************



#if !defined(oaCommonSharedLib_P)
#define oaCommonSharedLib_P



// *****************************************************************************
// Nested includes
// *****************************************************************************
#include "oaCommonTypes.h"

#if defined(OA_WINDOWS)
#include <WinSock2.h>
#else
#include <sys/times.h>
#include <utility>
#include <dlfcn.h>
#include <unistd.h>
#endif

#if defined(HPUX)
#include <dl.h>
#endif

#include <string>



// *****************************************************************************
// Declare and define types in the oaCommon namespace
// *****************************************************************************
BEGIN_OA_COMMON_NAMESPACE



// *****************************************************************************
// SharedLibHandle
// *****************************************************************************
#if defined(OA_WINDOWS)
typedef HINSTANCE SharedLibHandle;
#else
typedef void *SharedLibHandle;
#endif



// *****************************************************************************
// SharedLib
// *****************************************************************************
class OA_COMMON_DLL_API SharedLib {
public:
                            SharedLib(const char *baseNameIn);

    oa::oaBoolean           isOpen() const;
    const char              *getPath() const;
    void                    getName(std::string &name) const;

    void                    open();
    void                    close();
    void                    *getSymbol(const char *symbol) const;

protected:
    std::string             baseName;
    mutable std::string     path;
    SharedLibHandle         lib;
};



END_OA_COMMON_NAMESPACE

#endif

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