DllMain.icpp

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//====================================================================
//      DllMain.cpp
//--------------------------------------------------------------------
//
//      Package    : Gaudi/System
//
//  Description: The DLL initialisation must be done seperately for
//               each DLL.
//
//      Author     : M.Frank
//  Created    : 13/1/99
//      Changes    :
//
//====================================================================
#ifndef SYSTEM_DLLMAIN_ICPP
#define SYSTEM_DLLMAIN_ICPP 1

#include "GaudiKernel/Kernel.h"
#include "GaudiKernel/System.h"

#if !defined(__APPLE__)
class GaudiDll {
  GaudiDll()  {}
public:
  static void initialize(void* hinstDLL);
  static void finalize(void* hinstDLL);
};
#endif

#if defined(_WIN32) && defined(_DLL)
namespace win {
// Avoid conflicts between Windows' headers and MSG.
#ifndef NOMSG
#  define NOMSG
#  ifndef NOGDI
#    define NOGDI
#  endif
#endif
#include <windows.h>
}

win::BOOL APIENTRY DllMain(
        win::HINSTANCE hinstDLL,  // handle to DLL module
        win::DWORD fdwReason,     // reason for calling function
        win::LPVOID lpvReserved   // reserved
)
{
    System::setModuleHandle(hinstDLL);
    switch( fdwReason ) {
    case DLL_PROCESS_ATTACH:    {
      GaudiDll::initialize(hinstDLL);
    }
    break;
    case DLL_THREAD_ATTACH:
    break;
    case DLL_THREAD_DETACH:
    break;
    case DLL_PROCESS_DETACH:    {
      GaudiDll::finalize(hinstDLL);
      // Since the System class is shared now, we may no longer close the
      // Process handle!  M.F.
      //win::CloseHandle(System::processHandle());
    }
    break;
    }
    return TRUE;

}
#elif linux
static void _init() __attribute__((constructor));
static void _fini() __attribute__((destructor));

static void _init()   {
      GaudiDll::initialize(0);
}
static void _fini()   {
      GaudiDll::finalize(0);
}
#elif defined(__APPLE__)
static void _init() __attribute__((constructor));
static void _fini() __attribute__((destructor));

static void _init()   {
      //FIXME GaudiDll::initialize(0);
}
static void _fini()   {
      //FIXME GaudiDll::finalize(0);
}

#endif // WIN32

#endif // SYSTEM_DLLMAIN_ICPP