mesa pixman xserver git update 11 jan 2012

1 files changed, 464 insertions, 462 deletions

diff --git a/xorg-server/hw/xwin/winclipboardthread.c b/xorg-server/hw/xwin/winclipboardthread.c
index 34a963ce8..908dfcea2 100644
--- a/xorg-server/hw/xwin/winclipboardthread.c
+++ b/xorg-server/hw/xwin/winclipboardthread.c
@@ -1,462 +1,464 @@
-/*

- *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.

- *Copyright (C) Colin Harrison 2005-2008

- *

- *Permission is hereby granted, free of charge, to any person obtaining

- * a copy of this software and associated documentation files (the

- *"Software"), to deal in the Software without restriction, including

- *without limitation the rights to use, copy, modify, merge, publish,

- *distribute, sublicense, and/or sell copies of the Software, and to

- *permit persons to whom the Software is furnished to do so, subject to

- *the following conditions:

- *

- *The above copyright notice and this permission notice shall be

- *included in all copies or substantial portions of the Software.

- *

- *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

- *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

- *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

- *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR

- *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF

- *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION

- *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- *Except as contained in this notice, the name of the copyright holder(s)

- *and author(s) shall not be used in advertising or otherwise to promote

- *the sale, use or other dealings in this Software without prior written

- *authorization from the copyright holder(s) and author(s).

- *

- * Authors:	Harold L Hunt II

- *              Colin Harrison

- */

-

-#ifdef HAVE_XWIN_CONFIG_H

-#include <xwin-config.h>

-#endif

-#include <sys/types.h>

-#include "winclipboard.h"

-#ifdef __CYGWIN__

-#include <errno.h>

-#endif

-#include "misc.h"

-

-

-/*

- * References to external symbols

- */

-

-extern Bool		g_fUnicodeClipboard;

-extern unsigned long	serverGeneration;

-extern Bool		g_fClipboardStarted;

-extern HWND		g_hwndClipboard;

-extern void		*g_pClipboardDisplay;

-extern Window		g_iClipboardWindow;

-

-

-/*

- * Global variables

- */

-

-static jmp_buf			g_jmpEntry;

-Bool				g_fUnicodeSupport = FALSE;

-Bool				g_fUseUnicode = FALSE;

-

-

-/*

- * Local function prototypes

- */

-

-static int

-winClipboardErrorHandler (Display *pDisplay, XErrorEvent *pErr);

-

-static int

-winClipboardIOErrorHandler (Display *pDisplay);

-

-

-/*

- * Main thread function

- */

-

-void *

-winClipboardProc (void *pvNotUsed)

-{

-  Atom			atomClipboard, atomClipboardManager;

-  int			iReturn;

-  HWND			hwnd = NULL;

-  int			iConnectionNumber = 0;

-#ifdef HAS_DEVWINDOWS

-  int			fdMessageQueue = 0;

-#else

-  struct timeval        tvTimeout;

-#endif

-  fd_set		fdsRead;

-  int			iMaxDescriptor;

-  Display		*pDisplay = NULL;

-  Window		iWindow = None;

-  int			iRetries;

-  Bool			fUseUnicode;

-  char			szDisplay[512];

-  int			iSelectError;

-

-  ErrorF ("winClipboardProc - Hello\n");

-

-  /* Do we have Unicode support? */

-  g_fUnicodeSupport = winClipboardDetectUnicodeSupport ();

-

-  /* Do we use Unicode clipboard? */

-  fUseUnicode = g_fUnicodeClipboard && g_fUnicodeSupport;

-

-  /* Save the Unicode support flag in a global */

-  g_fUseUnicode = fUseUnicode;

-

-  /* Allow multiple threads to access Xlib */

-  if (XInitThreads () == 0)

-    {

-      ErrorF ("winClipboardProc - XInitThreads failed.\n");

-      pthread_exit (NULL);

-    }

-

-  /* See if X supports the current locale */

-  if (XSupportsLocale () == False)

-    {

-      ErrorF ("winClipboardProc - Warning: Locale not supported by X.\n");

-    }

-

-  /* Set jump point for Error exits */

-  iReturn = setjmp (g_jmpEntry);

-  

-  /* Check if we should continue operations */

-  if (iReturn != WIN_JMP_ERROR_IO

-      && iReturn != WIN_JMP_OKAY)

-    {

-      /* setjmp returned an unknown value, exit */

-      ErrorF ("winClipboardProc - setjmp returned: %d exiting\n",

-	      iReturn);

-      pthread_exit (NULL);

-    }

-  else if (iReturn == WIN_JMP_ERROR_IO)

-    {

-      /* TODO: Cleanup the Win32 window and free any allocated memory */

-      ErrorF ("winClipboardProc - setjmp returned for IO Error Handler.\n");

-      pthread_exit (NULL);

-    }

-

-  /* Use our generated cookie for authentication */

-  winSetAuthorization();

-

-  /* Set error handler */

-  XSetErrorHandler (winClipboardErrorHandler);

-  XSetIOErrorHandler (winClipboardIOErrorHandler);

-

-  /* Initialize retry count */

-  iRetries = 0;

-

-  /* Setup the display connection string x */

-  /*

-   * NOTE: Always connect to screen 0 since we require that screen

-   * numbers start at 0 and increase without gaps.  We only need

-   * to connect to one screen on the display to get events

-   * for all screens on the display.  That is why there is only

-   * one clipboard client thread.

-   */

-  snprintf (szDisplay,

-	    512,

-	    "127.0.0.1:%s.0",

-	    display);

-

-  /* Print the display connection string */

-  ErrorF ("winClipboardProc - DISPLAY=%s\n", szDisplay);

-

-  /* Open the X display */

-  do

-    {

-      pDisplay = XOpenDisplay (szDisplay);

-      if (pDisplay == NULL)

-	{

-	  ErrorF ("winClipboardProc - Could not open display, "

-		  "try: %d, sleeping: %d\n",

-		  iRetries + 1, WIN_CONNECT_DELAY);

-	  ++iRetries;

-	  sleep (WIN_CONNECT_DELAY);

-	  continue;

-	}

-      else

-	break;

-    }

-  while (pDisplay == NULL && iRetries < WIN_CONNECT_RETRIES);

-

-  /* Make sure that the display opened */

-  if (pDisplay == NULL)

-    {

-      ErrorF ("winClipboardProc - Failed opening the display, giving up\n");

-      pthread_exit (NULL);

-    }

-

-  /* Save the display in the screen privates */

-  g_pClipboardDisplay = pDisplay;

-

-  ErrorF ("winClipboardProc - XOpenDisplay () returned and "

-	  "successfully opened the display.\n");

-

-  /* Get our connection number */

-  iConnectionNumber = ConnectionNumber (pDisplay);

-

-#ifdef HAS_DEVWINDOWS

-  /* Open a file descriptor for the windows message queue */

-  fdMessageQueue = open (WIN_MSG_QUEUE_FNAME, O_RDONLY);

-  if (fdMessageQueue == -1)

-    {

-      ErrorF ("winClipboardProc - Failed opening %s\n", WIN_MSG_QUEUE_FNAME);

-      pthread_exit (NULL);

-    }

-

-  /* Find max of our file descriptors */

-  iMaxDescriptor = max (fdMessageQueue, iConnectionNumber) + 1;

-#else

-  iMaxDescriptor = iConnectionNumber + 1;

-#endif

-

-  /* Create atoms */

-  atomClipboard = XInternAtom (pDisplay, "CLIPBOARD", False);

-  atomClipboardManager = XInternAtom (pDisplay, "CLIPBOARD_MANAGER", False);

-

-  /* Create a messaging window */

-  iWindow = XCreateSimpleWindow (pDisplay,

-				 DefaultRootWindow (pDisplay),

-				 1, 1,

-				 500, 500,

-				 0,

-				 BlackPixel (pDisplay, 0),

-				 BlackPixel (pDisplay, 0));

-  if (iWindow == 0)

-    {

-      ErrorF ("winClipboardProc - Could not create an X window.\n");

-      pthread_exit (NULL);

-    }

-

-  /* Select event types to watch */

-  if (XSelectInput (pDisplay,

-		    iWindow,

-		    PropertyChangeMask) == BadWindow)

-    ErrorF ("winClipboardProc - XSelectInput generated BadWindow "

-	    "on messaging window\n");

-

-  /* Save the window in the screen privates */

-  g_iClipboardWindow = iWindow;

-

-  /* Create Windows messaging window */

-  hwnd = winClipboardCreateMessagingWindow ();

-  

-  /* Save copy of HWND in screen privates */

-  g_hwndClipboard = hwnd;

-

-  /* Assert ownership of selections if Win32 clipboard is owned */

-  if (NULL != GetClipboardOwner ())

-    {

-      /* PRIMARY */

-      iReturn = XSetSelectionOwner (pDisplay, XA_PRIMARY,

-				    iWindow, CurrentTime);

-      if (iReturn == BadAtom || iReturn == BadWindow ||

-	  XGetSelectionOwner (pDisplay, XA_PRIMARY) != iWindow)

-	{

-	  ErrorF ("winClipboardProc - Could not set PRIMARY owner\n");

-	  pthread_exit (NULL);

-	}

-

-      /* CLIPBOARD */

-      iReturn = XSetSelectionOwner (pDisplay, atomClipboard,

-				    iWindow, CurrentTime);

-      if (iReturn == BadAtom || iReturn == BadWindow ||

-	  XGetSelectionOwner (pDisplay, atomClipboard) != iWindow)

-	{

-	  ErrorF ("winClipboardProc - Could not set CLIPBOARD owner\n");

-	  pthread_exit (NULL);

-	}

-    }

-

-  /* Pre-flush X events */

-  /* 

-   * NOTE: Apparently you'll freeze if you don't do this,

-   *	   because there may be events in local data structures

-   *	   already.

-   */

-  winClipboardFlushXEvents (hwnd,

-			    iWindow,

-			    pDisplay,

-			    fUseUnicode);

-

-  /* Pre-flush Windows messages */

-  if (!winClipboardFlushWindowsMessageQueue (hwnd))

-    return 0;

-

-  /* Signal that the clipboard client has started */

-  g_fClipboardStarted = TRUE;

-

-  /* Loop for X events */

-  while (1)

-    {

-      /* Setup the file descriptor set */

-      /*

-       * NOTE: You have to do this before every call to select

-       *       because select modifies the mask to indicate

-       *       which descriptors are ready.

-       */

-      FD_ZERO (&fdsRead);

-      FD_SET (iConnectionNumber, &fdsRead);

-#ifdef HAS_DEVWINDOWS

-      FD_SET (fdMessageQueue, &fdsRead);

-#else

-      tvTimeout.tv_sec = 0;

-      tvTimeout.tv_usec = 100;

-#endif

-

-      /* Wait for a Windows event or an X event */

-      iReturn = select (iMaxDescriptor,	/* Highest fds number */

-			&fdsRead,	/* Read mask */

-			NULL,		/* No write mask */

-			NULL,		/* No exception mask */

-#ifdef HAS_DEVWINDOWS

-			NULL		/* No timeout */

-#else

-			&tvTimeout      /* Set timeout */

-#endif

-          );

-

-#ifndef HAS_WINSOCK

-      iSelectError = errno;

-#else

-      iSelectError = WSAGetLastError();

-#endif

-

-      if (iReturn < 0)

-	{

-#ifndef HAS_WINSOCK

-          if (iSelectError == EINTR)

-#else

-          if (iSelectError == WSAEINTR)

-#endif

-            continue;

-          

-	  ErrorF ("winClipboardProc - Call to select () failed: %d.  "

-		  "Bailing.\n", iReturn);

-	  break;

-	}

-

-      /* Branch on which descriptor became active */

-      if (FD_ISSET (iConnectionNumber, &fdsRead))

-	{

-	  /* Process X events */

-	  /* Exit when we see that server is shutting down */

-	  iReturn = winClipboardFlushXEvents (hwnd,

-					      iWindow,

-					      pDisplay,

-					      fUseUnicode);

-	  if (WIN_XEVENTS_SHUTDOWN == iReturn)

-	    {

-	      ErrorF ("winClipboardProc - winClipboardFlushXEvents "

-		      "trapped shutdown event, exiting main loop.\n");

-	      break;

-	    }

-	}

-

-#ifdef HAS_DEVWINDOWS

-      /* Check for Windows event ready */

-      if (FD_ISSET (fdMessageQueue, &fdsRead))

-#else

-      if (1)

-#endif

-	{

-	  /* Process Windows messages */

-	  if (!winClipboardFlushWindowsMessageQueue (hwnd))

-	    {

-	      ErrorF ("winClipboardProc - "

-		      "winClipboardFlushWindowsMessageQueue trapped "

-		      "WM_QUIT message, exiting main loop.\n");

-	      break;

-	    }

-	}

-    }

-

-  /* Close our X window */

-  if (pDisplay && iWindow)

-    {

-      iReturn = XDestroyWindow (pDisplay, iWindow);

-      if (iReturn == BadWindow)

-	ErrorF ("winClipboardProc - XDestroyWindow returned BadWindow.\n");

-      else

-	ErrorF ("winClipboardProc - XDestroyWindow succeeded.\n");

-    }

-

-

-#ifdef HAS_DEVWINDOWS

-  /* Close our Win32 message handle */

-  if (fdMessageQueue)

-    close (fdMessageQueue);

-#endif

-

-#if 0

-  /*

-   * FIXME: XCloseDisplay hangs if we call it, as of 2004/03/26.  The

-   * XSync and XSelectInput calls did not help.

-   */

-

-  /* Discard any remaining events */

-  XSync (pDisplay, TRUE);

-

-  /* Select event types to watch */

-  XSelectInput (pDisplay,

-		DefaultRootWindow (pDisplay),

-		None);

-

-  /* Close our X display */

-  if (pDisplay)

-    {

-      XCloseDisplay (pDisplay);

-    }

-#endif

-

-  g_iClipboardWindow = None;

-  g_pClipboardDisplay = NULL;

-  g_hwndClipboard = NULL;

-

-  return NULL;

-}

-

-

-/*

- * winClipboardErrorHandler - Our application specific error handler

- */

-

-static int

-winClipboardErrorHandler (Display *pDisplay, XErrorEvent *pErr)

-{

-  char pszErrorMsg[100];

-  

-  XGetErrorText (pDisplay,

-		 pErr->error_code,

-		 pszErrorMsg,

-		 sizeof (pszErrorMsg));

-  ErrorF ("winClipboardErrorHandler - ERROR: \n\t%s\n"

-	  "\tSerial: %lu, Request Code: %d, Minor Code: %d\n",

-	  pszErrorMsg,

-	  pErr->serial,

-	  pErr->request_code,

-	  pErr->minor_code);

-  return 0;

-}

-

-

-/*

- * winClipboardIOErrorHandler - Our application specific IO error handler

- */

-

-static int

-winClipboardIOErrorHandler (Display *pDisplay)

-{

-  ErrorF ("winClipboardIOErrorHandler!\n\n");

-

-  /* Restart at the main entry point */

-  longjmp (g_jmpEntry, WIN_JMP_ERROR_IO);

-  

-  return 0;

-}

+/*
+ *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
+ *Copyright (C) Colin Harrison 2005-2008
+ *
+ *Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ *"Software"), to deal in the Software without restriction, including
+ *without limitation the rights to use, copy, modify, merge, publish,
+ *distribute, sublicense, and/or sell copies of the Software, and to
+ *permit persons to whom the Software is furnished to do so, subject to
+ *the following conditions:
+ *
+ *The above copyright notice and this permission notice shall be
+ *included in all copies or substantial portions of the Software.
+ *
+ *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
+ *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ *Except as contained in this notice, the name of the copyright holder(s)
+ *and author(s) shall not be used in advertising or otherwise to promote
+ *the sale, use or other dealings in this Software without prior written
+ *authorization from the copyright holder(s) and author(s).
+ *
+ * Authors:	Harold L Hunt II
+ *              Colin Harrison
+ */
+
+#ifdef HAVE_XWIN_CONFIG_H
+#include <xwin-config.h>
+#else
+#define HAS_WINSOCK 1
+#endif
+#include <sys/types.h>
+#include "winclipboard.h"
+#ifdef __CYGWIN__
+#include <errno.h>
+#endif
+#include "misc.h"
+
+
+/*
+ * References to external symbols
+ */
+
+extern Bool		g_fUnicodeClipboard;
+extern unsigned long	serverGeneration;
+extern Bool		g_fClipboardStarted;
+extern HWND		g_hwndClipboard;
+extern void		*g_pClipboardDisplay;
+extern Window		g_iClipboardWindow;
+
+
+/*
+ * Global variables
+ */
+
+static jmp_buf			g_jmpEntry;
+Bool				g_fUnicodeSupport = FALSE;
+Bool				g_fUseUnicode = FALSE;
+
+
+/*
+ * Local function prototypes
+ */
+
+static int
+winClipboardErrorHandler (Display *pDisplay, XErrorEvent *pErr);
+
+static int
+winClipboardIOErrorHandler (Display *pDisplay);
+
+
+/*
+ * Main thread function
+ */
+
+void *
+winClipboardProc (void *pvNotUsed)
+{
+  Atom			atomClipboard, atomClipboardManager;
+  int			iReturn;
+  HWND			hwnd = NULL;
+  int			iConnectionNumber = 0;
+#ifdef HAS_DEVWINDOWS
+  int			fdMessageQueue = 0;
+#else
+  struct timeval        tvTimeout;
+#endif
+  fd_set		fdsRead;
+  int			iMaxDescriptor;
+  Display		*pDisplay = NULL;
+  Window		iWindow = None;
+  int			iRetries;
+  Bool			fUseUnicode;
+  char			szDisplay[512];
+  int			iSelectError;
+
+  ErrorF ("winClipboardProc - Hello\n");
+
+  /* Do we have Unicode support? */
+  g_fUnicodeSupport = winClipboardDetectUnicodeSupport ();
+
+  /* Do we use Unicode clipboard? */
+  fUseUnicode = g_fUnicodeClipboard && g_fUnicodeSupport;
+
+  /* Save the Unicode support flag in a global */
+  g_fUseUnicode = fUseUnicode;
+
+  /* Allow multiple threads to access Xlib */
+  if (XInitThreads () == 0)
+    {
+      ErrorF ("winClipboardProc - XInitThreads failed.\n");
+      pthread_exit (NULL);
+    }
+
+  /* See if X supports the current locale */
+  if (XSupportsLocale () == False)
+    {
+      ErrorF ("winClipboardProc - Warning: Locale not supported by X.\n");
+    }
+
+  /* Set jump point for Error exits */
+  iReturn = setjmp (g_jmpEntry);
+  
+  /* Check if we should continue operations */
+  if (iReturn != WIN_JMP_ERROR_IO
+      && iReturn != WIN_JMP_OKAY)
+    {
+      /* setjmp returned an unknown value, exit */
+      ErrorF ("winClipboardProc - setjmp returned: %d exiting\n",
+	      iReturn);
+      pthread_exit (NULL);
+    }
+  else if (iReturn == WIN_JMP_ERROR_IO)
+    {
+      /* TODO: Cleanup the Win32 window and free any allocated memory */
+      ErrorF ("winClipboardProc - setjmp returned for IO Error Handler.\n");
+      pthread_exit (NULL);
+    }
+
+  /* Use our generated cookie for authentication */
+  winSetAuthorization();
+
+  /* Set error handler */
+  XSetErrorHandler (winClipboardErrorHandler);
+  XSetIOErrorHandler (winClipboardIOErrorHandler);
+
+  /* Initialize retry count */
+  iRetries = 0;
+
+  /* Setup the display connection string x */
+  /*
+   * NOTE: Always connect to screen 0 since we require that screen
+   * numbers start at 0 and increase without gaps.  We only need
+   * to connect to one screen on the display to get events
+   * for all screens on the display.  That is why there is only
+   * one clipboard client thread.
+   */
+  snprintf (szDisplay,
+	    512,
+	    "127.0.0.1:%s.0",
+	    display);
+
+  /* Print the display connection string */
+  ErrorF ("winClipboardProc - DISPLAY=%s\n", szDisplay);
+
+  /* Open the X display */
+  do
+    {
+      pDisplay = XOpenDisplay (szDisplay);
+      if (pDisplay == NULL)
+	{
+	  ErrorF ("winClipboardProc - Could not open display, "
+		  "try: %d, sleeping: %d\n",
+		  iRetries + 1, WIN_CONNECT_DELAY);
+	  ++iRetries;
+	  sleep (WIN_CONNECT_DELAY);
+	  continue;
+	}
+      else
+	break;
+    }
+  while (pDisplay == NULL && iRetries < WIN_CONNECT_RETRIES);
+
+  /* Make sure that the display opened */
+  if (pDisplay == NULL)
+    {
+      ErrorF ("winClipboardProc - Failed opening the display, giving up\n");
+      pthread_exit (NULL);
+    }
+
+  /* Save the display in the screen privates */
+  g_pClipboardDisplay = pDisplay;
+
+  ErrorF ("winClipboardProc - XOpenDisplay () returned and "
+	  "successfully opened the display.\n");
+
+  /* Get our connection number */
+  iConnectionNumber = ConnectionNumber (pDisplay);
+
+#ifdef HAS_DEVWINDOWS
+  /* Open a file descriptor for the windows message queue */
+  fdMessageQueue = open (WIN_MSG_QUEUE_FNAME, O_RDONLY);
+  if (fdMessageQueue == -1)
+    {
+      ErrorF ("winClipboardProc - Failed opening %s\n", WIN_MSG_QUEUE_FNAME);
+      pthread_exit (NULL);
+    }
+
+  /* Find max of our file descriptors */
+  iMaxDescriptor = max (fdMessageQueue, iConnectionNumber) + 1;
+#else
+  iMaxDescriptor = iConnectionNumber + 1;
+#endif
+
+  /* Create atoms */
+  atomClipboard = XInternAtom (pDisplay, "CLIPBOARD", False);
+  atomClipboardManager = XInternAtom (pDisplay, "CLIPBOARD_MANAGER", False);
+
+  /* Create a messaging window */
+  iWindow = XCreateSimpleWindow (pDisplay,
+				 DefaultRootWindow (pDisplay),
+				 1, 1,
+				 500, 500,
+				 0,
+				 BlackPixel (pDisplay, 0),
+				 BlackPixel (pDisplay, 0));
+  if (iWindow == 0)
+    {
+      ErrorF ("winClipboardProc - Could not create an X window.\n");
+      pthread_exit (NULL);
+    }
+
+  /* Select event types to watch */
+  if (XSelectInput (pDisplay,
+		    iWindow,
+		    PropertyChangeMask) == BadWindow)
+    ErrorF ("winClipboardProc - XSelectInput generated BadWindow "
+	    "on messaging window\n");
+
+  /* Save the window in the screen privates */
+  g_iClipboardWindow = iWindow;
+
+  /* Create Windows messaging window */
+  hwnd = winClipboardCreateMessagingWindow ();
+  
+  /* Save copy of HWND in screen privates */
+  g_hwndClipboard = hwnd;
+
+  /* Assert ownership of selections if Win32 clipboard is owned */
+  if (NULL != GetClipboardOwner ())
+    {
+      /* PRIMARY */
+      iReturn = XSetSelectionOwner (pDisplay, XA_PRIMARY,
+				    iWindow, CurrentTime);
+      if (iReturn == BadAtom || iReturn == BadWindow ||
+	  XGetSelectionOwner (pDisplay, XA_PRIMARY) != iWindow)
+	{
+	  ErrorF ("winClipboardProc - Could not set PRIMARY owner\n");
+	  pthread_exit (NULL);
+	}
+
+      /* CLIPBOARD */
+      iReturn = XSetSelectionOwner (pDisplay, atomClipboard,
+				    iWindow, CurrentTime);
+      if (iReturn == BadAtom || iReturn == BadWindow ||
+	  XGetSelectionOwner (pDisplay, atomClipboard) != iWindow)
+	{
+	  ErrorF ("winClipboardProc - Could not set CLIPBOARD owner\n");
+	  pthread_exit (NULL);
+	}
+    }
+
+  /* Pre-flush X events */
+  /* 
+   * NOTE: Apparently you'll freeze if you don't do this,
+   *	   because there may be events in local data structures
+   *	   already.
+   */
+  winClipboardFlushXEvents (hwnd,
+			    iWindow,
+			    pDisplay,
+			    fUseUnicode);
+
+  /* Pre-flush Windows messages */
+  if (!winClipboardFlushWindowsMessageQueue (hwnd))
+    return 0;
+
+  /* Signal that the clipboard client has started */
+  g_fClipboardStarted = TRUE;
+
+  /* Loop for X events */
+  while (1)
+    {
+      /* Setup the file descriptor set */
+      /*
+       * NOTE: You have to do this before every call to select
+       *       because select modifies the mask to indicate
+       *       which descriptors are ready.
+       */
+      FD_ZERO (&fdsRead);
+      FD_SET (iConnectionNumber, &fdsRead);
+#ifdef HAS_DEVWINDOWS
+      FD_SET (fdMessageQueue, &fdsRead);
+#else
+      tvTimeout.tv_sec = 0;
+      tvTimeout.tv_usec = 100;
+#endif
+
+      /* Wait for a Windows event or an X event */
+      iReturn = select (iMaxDescriptor,	/* Highest fds number */
+			&fdsRead,	/* Read mask */
+			NULL,		/* No write mask */
+			NULL,		/* No exception mask */
+#ifdef HAS_DEVWINDOWS
+			NULL		/* No timeout */
+#else
+			&tvTimeout      /* Set timeout */
+#endif
+          );
+
+#ifndef HAS_WINSOCK
+      iSelectError = errno;
+#else
+      iSelectError = WSAGetLastError();
+#endif
+
+      if (iReturn < 0)
+	{
+#ifndef HAS_WINSOCK
+          if (iSelectError == EINTR)
+#else
+          if (iSelectError == WSAEINTR)
+#endif
+            continue;
+          
+	  ErrorF ("winClipboardProc - Call to select () failed: %d.  "
+		  "Bailing.\n", iReturn);
+	  break;
+	}
+
+      /* Branch on which descriptor became active */
+      if (FD_ISSET (iConnectionNumber, &fdsRead))
+	{
+	  /* Process X events */
+	  /* Exit when we see that server is shutting down */
+	  iReturn = winClipboardFlushXEvents (hwnd,
+					      iWindow,
+					      pDisplay,
+					      fUseUnicode);
+	  if (WIN_XEVENTS_SHUTDOWN == iReturn)
+	    {
+	      ErrorF ("winClipboardProc - winClipboardFlushXEvents "
+		      "trapped shutdown event, exiting main loop.\n");
+	      break;
+	    }
+	}
+
+#ifdef HAS_DEVWINDOWS
+      /* Check for Windows event ready */
+      if (FD_ISSET (fdMessageQueue, &fdsRead))
+#else
+      if (1)
+#endif
+	{
+	  /* Process Windows messages */
+	  if (!winClipboardFlushWindowsMessageQueue (hwnd))
+	    {
+	      ErrorF ("winClipboardProc - "
+		      "winClipboardFlushWindowsMessageQueue trapped "
+		      "WM_QUIT message, exiting main loop.\n");
+	      break;
+	    }
+	}
+    }
+
+  /* Close our X window */
+  if (pDisplay && iWindow)
+    {
+      iReturn = XDestroyWindow (pDisplay, iWindow);
+      if (iReturn == BadWindow)
+	ErrorF ("winClipboardProc - XDestroyWindow returned BadWindow.\n");
+      else
+	ErrorF ("winClipboardProc - XDestroyWindow succeeded.\n");
+    }
+
+
+#ifdef HAS_DEVWINDOWS
+  /* Close our Win32 message handle */
+  if (fdMessageQueue)
+    close (fdMessageQueue);
+#endif
+
+#if 0
+  /*
+   * FIXME: XCloseDisplay hangs if we call it, as of 2004/03/26.  The
+   * XSync and XSelectInput calls did not help.
+   */
+
+  /* Discard any remaining events */
+  XSync (pDisplay, TRUE);
+
+  /* Select event types to watch */
+  XSelectInput (pDisplay,
+		DefaultRootWindow (pDisplay),
+		None);
+
+  /* Close our X display */
+  if (pDisplay)
+    {
+      XCloseDisplay (pDisplay);
+    }
+#endif
+
+  g_iClipboardWindow = None;
+  g_pClipboardDisplay = NULL;
+  g_hwndClipboard = NULL;
+
+  return NULL;
+}
+
+
+/*
+ * winClipboardErrorHandler - Our application specific error handler
+ */
+
+static int
+winClipboardErrorHandler (Display *pDisplay, XErrorEvent *pErr)
+{
+  char pszErrorMsg[100];
+  
+  XGetErrorText (pDisplay,
+		 pErr->error_code,
+		 pszErrorMsg,
+		 sizeof (pszErrorMsg));
+  ErrorF ("winClipboardErrorHandler - ERROR: \n\t%s\n"
+	  "\tSerial: %lu, Request Code: %d, Minor Code: %d\n",
+	  pszErrorMsg,
+	  pErr->serial,
+	  pErr->request_code,
+	  pErr->minor_code);
+  return 0;
+}
+
+
+/*
+ * winClipboardIOErrorHandler - Our application specific IO error handler
+ */
+
+static int
+winClipboardIOErrorHandler (Display *pDisplay)
+{
+  ErrorF ("winClipboardIOErrorHandler!\n\n");
+
+  /* Restart at the main entry point */
+  longjmp (g_jmpEntry, WIN_JMP_ERROR_IO);
+  
+  return 0;
+}