cOSModImpl.h

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//
//
 
#ifndef _INC_cOSModImpl_H
#define _INC_cOSModImpl_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "cOSModule.h"
#include "cAtom.h"
#include "cArraySort.h"
#include "cSingleton.h"
 
#ifdef _MFC_VER
#include "SysRes.h"
#include <afxwin.h>         // MFC extensions AFX_EXTENSION_MODULE. includes <afxdll_.h>
#endif
 
namespace Gray
{
        class GRAYCORE_LINK cOSModImpl
        {
 
        public:
                const char* m_pszModuleName;    
                HMODULE m_hModule;      
 
#ifdef _MFC_VER
                AFX_EXTENSION_MODULE m_AFXExt;          // I might be a MFC extension module.
#endif
 
        private:
                bool OnProcessAttach2();
 
        public:
                cOSModImpl(const char* pszModuleName) noexcept;
                virtual ~cOSModImpl();
 
                bool IsLoaded() const noexcept
                {
                        return m_pszModuleName != nullptr && m_hModule != HMODULE_NULL;
                }
 
                virtual bool OnProcessAttach();
                virtual void OnProcessDetach();         // DLL_PROCESS_DETACH
 
#ifdef _WIN32
                virtual bool DllMain(HINSTANCE hInstDll, DWORD dwReason);
#elif defined(__linux__)
                void SOConstructor();
                void SODestructor()
                {
                        OnProcessDetach();
                }
#endif
        };
 
#ifdef GRAY_DLL // _WINDLL
        // ASSUME g_Module is defined for DLL/SO. (and is outside namespace)
        // Declare/expose DllMain()
#ifdef _WIN32   // _WINDLL
#define COSMODULE_IMPL(N)  __DECL_EXPORT BOOL APIENTRY DllMain(HINSTANCE hInstDll, DWORD dwReason, LPVOID) { return N::g_Module.DllMain(hInstDll,dwReason); }
#elif defined(__linux__)
#define COSMODULE_IMPL(N)  CATTR_CONSTRUCTOR void _cdecl SOConstructor() { N::g_Module.SOConstructor(); } \
        CATTR_DESTRUCTOR void _cdecl SODestructor() { g_Module.SODestructor(); }
#endif
#endif //GRAY_DLL
 
}
 
#endif