atlinprocsrv.cpp

VC++串口通信设。本书详细说明讲解了在VC++环境下编写串口通信得过程。值得一看

// Get needed include files
#include "Pizza3.h"


//
// Object map, indicates which classes are serviced by this server
//
BEGIN_OBJECT_MAP(ObjectMap)
   OBJECT_ENTRY(CLSID_PizzaOrderTaker3, ComPizzaOrderTaker)
END_OBJECT_MAP()


//
// The global module object
//
QueATLModule _Module;


//
// Standard exported method called by Windows when important 
// system events occur
//

extern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
{
   // Is a process starting to use us?
   if (dwReason == DLL_PROCESS_ATTACH) {

      // Fire up the main server module
      _Module.Init(ObjectMap, hInstance);

      // We're not interested in thread attach/detach notifications
      DisableThreadLibraryCalls(hInstance);
   }

   // We're all done with this server so we need to power down the main 
   // module object
   else if (dwReason == DLL_PROCESS_DETACH)
      _Module.Term();

   return TRUE;
}



//
// Standard exported methods for in-process servers
//

//
// Called when COM needs a new class factory
//

STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
   return _Module.GetClassObject(rclsid, riid, ppv);
}

//
// Called by COM to check if the server can be unloaded
//

STDAPI DllCanUnloadNow()
{
   return _Module.GetLockCount() ? S_FALSE : S_OK;
}

//
// Method used to support self-registration
//

STDAPI DllRegisterServer()
{
   return _Module.RegisterServer();
}

//
// Method used to support self-unregistration
//

STDAPI DllUnregisterServer()
{
   return _Module.UnregisterServer();
}