/*
 * tclWinSock.c --
 *
 *	This file contains Windows-specific socket related code.
 *
 * Copyright (c) 1995-1997 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 * RCS: @(#) $Id: tclWinSock.c,v 1.71 2010/05/04 11:05:34 nijtmans Exp $
 */

#include "tclWinInt.h"

#ifdef _MSC_VER
#   pragma comment (lib, "ws2_32")
#endif

/*
 * The following variable is used to tell whether this module has been
 * initialized.  If 1, initialization of sockets was successful, if -1 then
 * socket initialization failed (WSAStartup failed).
 */

static int initialized = 0;
static const TCHAR classname[] = TEXT("TclSocket");
TCL_DECLARE_MUTEX(socketMutex)

/*
 * The following variable holds the network name of this host.
 */

static TclInitProcessGlobalValueProc InitializeHostName;

	windowClass.style = 0;
	windowClass.cbClsExtra = 0;
	windowClass.cbWndExtra = 0;
	windowClass.hInstance = TclWinGetTclInstance();
	windowClass.hbrBackground = NULL;
	windowClass.lpszMenuName = NULL;
	windowClass.lpszClassName = classname;
	windowClass.lpfnWndProc = SocketProc;
	windowClass.hIcon = NULL;
	windowClass.hCursor = NULL;

	if (!RegisterClass(&windowClass)) {
	    TclWinConvertError(GetLastError());
	    goto initFailure;
	}

	/*
	 * Initialize the winsock library and check the interface version
	 * actually loaded. We only ask for the 1.1 interface and do require

    Tcl_MutexLock(&socketMutex);
    /*
     * Make sure the socket event handling window is cleaned-up for, at
     * most, this thread.
     */

    TclpFinalizeSockets();
    UnregisterClass(classname, TclWinGetTclInstance());
    WSACleanup();
    initialized = 0;
    Tcl_MutexUnlock(&socketMutex);
}

/*
 *----------------------------------------------------------------------

    MSG msg;
    ThreadSpecificData *tsdPtr = (ThreadSpecificData *) arg;

    /*
     * Create a dummy window receiving socket events.
     */

    tsdPtr->hwnd = CreateWindow(classname, classname,
	    WS_TILED, 0, 0, 0, 0, NULL, NULL, windowClass.hInstance, arg);

    /*
     * Signalize thread creator that we are done creating the window.
     */

    SetEvent(tsdPtr->readyEvent);