_SetupOnce
DllMain
BOOL WINAPI DllMain	(	HANDLE	hInstDll,
		ULONG	dwReason,
		LPVOID	lpReserved
	)
Definition at line 814 of file dllmain.c.
{
    PWINSOCK_THREAD_BLOCK p;

    WS_DbgPrint(MAX_TRACE, ("DllMain of ws2_32.dll.\n"));

    switch (dwReason)
    {
        case DLL_PROCESS_ATTACH:
        {
            GlobalHeap = GetProcessHeap();

            g_hInstDll = hInstDll;

            CreateCatalog();

            InitProviderHandleTable();

            UpcallTable.lpWPUCloseEvent         = WPUCloseEvent;
            UpcallTable.lpWPUCloseSocketHandle  = WPUCloseSocketHandle;
            UpcallTable.lpWPUCreateEvent        = WPUCreateEvent;
            UpcallTable.lpWPUCreateSocketHandle = WPUCreateSocketHandle;
            UpcallTable.lpWPUFDIsSet            = WPUFDIsSet;
            UpcallTable.lpWPUGetProviderPath    = WPUGetProviderPath;
            UpcallTable.lpWPUModifyIFSHandle    = WPUModifyIFSHandle;
            UpcallTable.lpWPUPostMessage        = PostMessageW;
            UpcallTable.lpWPUQueryBlockingCallback    = WPUQueryBlockingCallback;
            UpcallTable.lpWPUQuerySocketHandleContext = WPUQuerySocketHandleContext;
            UpcallTable.lpWPUQueueApc           = WPUQueueApc;
            UpcallTable.lpWPUResetEvent         = WPUResetEvent;
            UpcallTable.lpWPUSetEvent           = WPUSetEvent;
            UpcallTable.lpWPUOpenCurrentThread  = WPUOpenCurrentThread;
            UpcallTable.lpWPUCloseThread        = WPUCloseThread;

            /* Fall through to thread attachment handler */
        }
        case DLL_THREAD_ATTACH:
        {
            p = HeapAlloc(GlobalHeap, 0, sizeof(WINSOCK_THREAD_BLOCK));

            WS_DbgPrint(MAX_TRACE, ("Thread block at 0x%X.\n", p));

            if (!p) {
              return FALSE;
            }

            p->Hostent = NULL;
            p->LastErrorValue = NO_ERROR;
            p->Getservbyname  = NULL;
            p->Getservbyport  = NULL;

            NtCurrentTeb()->WinSockData = p;
        }
        break;

        case DLL_PROCESS_DETACH:
        {
            DestroyCatalog();

            FreeProviderHandleTable();
        }
        break;

        case DLL_THREAD_DETACH:
        {
            p = NtCurrentTeb()->WinSockData;

            if (p)
              HeapFree(GlobalHeap, 0, p);
        }
        break;
    }

    WS_DbgPrint(MAX_TRACE, ("DllMain of ws2_32.dll. Leaving.\n"));

    return TRUE;
}
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