[ATL] Question sur le modèle de thread

Extrait de code

Code:

1
2
3
4
5
6
7
8
9
10
 
class ATL_NO_VTABLE CSockDriver : 
	public CComObjectRootEx<CComSingleThreadModel>,    // ici
	public CComCoClass<CSockDriver, &CLSID_SockDriver>,
	public IDispatchImpl<ISockDriver, &IID_ISockDriver, &LIBID_MCNNetSocketDriver2Lib, /*wMajor =*/ 1, /*wMinor =*/ 0>,
	public IDispEventImpl<1, CSockDriver, &__uuidof(_ISockServerEvents)>
{
public:
	CSockDriver();
                // . . .

Extrait de ATL

Code:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
class CComMultiThreadModel
{
public:
	static ULONG WINAPI Increment(LPLONG p) throw() {return InterlockedIncrement(p);}
	static ULONG WINAPI Decrement(LPLONG p) throw() {return InterlockedDecrement(p);}
	typedef CComAutoCriticalSection AutoCriticalSection;
	typedef CComAutoDeleteCriticalSection AutoDeleteCriticalSection;
	typedef CComCriticalSection CriticalSection;
	typedef CComMultiThreadModelNoCS ThreadModelNoCS;
};
 
class CComSingleThreadModel
{
public:
	static ULONG WINAPI Increment(LPLONG p) throw() {return ++(*p);}
	static ULONG WINAPI Decrement(LPLONG p) throw() {return --(*p);}
	typedef CComFakeCriticalSection AutoCriticalSection;
	typedef CComFakeCriticalSection AutoDeleteCriticalSection;
	typedef CComFakeCriticalSection CriticalSection;
	typedef CComSingleThreadModel ThreadModelNoCS;
};