Remove no-longer needed tricks used to hide the clipboard client from XDM to prevent

it from being killed

1 files changed, 1 insertions, 123 deletions

diff --git a/xorg-server/hw/xwin/winclipboardwrappers.c b/xorg-server/hw/xwin/winclipboardwrappers.c
index 3155b8c1f..e7325178d 100644
--- a/xorg-server/hw/xwin/winclipboardwrappers.c
+++ b/xorg-server/hw/xwin/winclipboardwrappers.c
@@ -42,7 +42,6 @@
  * Constants

  */

 

-#define CLIP_NUM_CALLS			4

 #define CLIP_NUM_SELECTIONS		2

 #define CLIP_OWN_PRIMARY		0

 #define CLIP_OWN_CLIPBOARD		1

@@ -53,7 +52,6 @@
  */

 

 int winProcEstablishConnection(ClientPtr /* client */);

-int winProcQueryTree(ClientPtr /* client */);

 int winProcSetSelectionOwner(ClientPtr /* client */);

 

 

@@ -74,109 +72,10 @@ extern Atom		g_atomLastOwnedSelection;
 extern HWND		g_hwndClipboard;

 

 extern winDispatchProcPtr	winProcEstablishConnectionOrig;

-extern winDispatchProcPtr	winProcQueryTreeOrig;

 extern winDispatchProcPtr	winProcSetSelectionOwnerOrig;

 

 

 /*

- * Wrapper for internal QueryTree function.

- * Hides the clipboard client when it is the only client remaining.

- */

-

-int

-winProcQueryTree (ClientPtr client)

-{

-  int			iReturn;

-

-  winDebug ("winProcQueryTree - Hello\n");

-

-  /*

-   * This procedure is only used for initialization.

-   * We can unwrap the original procedure at this point

-   * so that this function is no longer called until the

-   * server resets and the function is wrapped again.

-   */

-  ProcVector[X_QueryTree] = winProcQueryTreeOrig;

-

-  /*

-   * Call original function and bail if it fails.

-   * NOTE: We must do this first, since we need XdmcpOpenDisplay

-   * to be called before we initialize our clipboard client.

-   */

-  iReturn = (*winProcQueryTreeOrig) (client);

-  if (iReturn != 0)

-    {

-      ErrorF ("winProcQueryTree - ProcQueryTree failed, bailing.\n");

-      return iReturn;

-    }

-

-  /* Make errors more obvious */

-  winProcQueryTreeOrig = NULL;

-

-  /* Do nothing if clipboard is not enabled */

-  if (!g_fClipboard)

-    {

-      winDebug ("winProcQueryTree - Clipboard is not enabled, "

-	      "returning.\n");

-      return iReturn;

-    }

-

-  /* If the clipboard client has already been started, abort */

-  if (g_fClipboardLaunched)

-    {

-      winDebug ("winProcQueryTree - Clipboard client already "

-	      "launched, returning.\n");

-      return iReturn;

-    }

-

-  /* Startup the clipboard client if clipboard mode is being used */

-  if (g_fXdmcpEnabled && g_fClipboard)

-    {

-      /*

-       * NOTE: The clipboard client is started here for a reason:

-       * 1) Assume you are using XDMCP (e.g. XWin -query %hostname%)

-       * 2) If the clipboard client attaches during X Server startup,

-       *    then it becomes the "magic client" that causes the X Server

-       *    to reset if it exits.

-       * 3) XDMCP calls KillAllClients when it starts up.

-       * 4) The clipboard client is a client, so it is killed.

-       * 5) The clipboard client is the "magic client", so the X Server

-       *    resets itself.

-       * 6) This repeats ad infinitum.

-       * 7) We avoid this by waiting until at least one client (could

-       *    be XDM, could be another client) connects, which makes it

-       *    almost certain that the clipboard client will not connect

-       *    until after XDM when using XDMCP.

-       * 8) Unfortunately, there is another problem.

-       * 9) XDM walks the list of windows with XQueryTree,

-       *    killing any client it finds with a window.

-       * 10)Thus, when using XDMCP we wait until the first call

-       *    to ProcQueryTree before we startup the clipboard client.

-       *    This should prevent XDM from finding the clipboard client,

-       *    since it has not yet created a window.

-       * 11)Startup when not using XDMCP is handled in

-       *    winProcEstablishConnection.

-       */

-      

-      /* Create the clipboard client thread */

-      if (!winInitClipboard ())

-	{

-	  ErrorF ("winProcQueryTree - winClipboardInit "

-		  "failed.\n");

-	  return iReturn;

-	}

-      

-      winDebug ("winProcQueryTree - winInitClipboard returned.\n");

-    }

-  

-  /* Flag that clipboard client has been launched */

-  g_fClipboardLaunched = TRUE;

-

-  return iReturn;

-}

-

-

-/*

  * Wrapper for internal EstablishConnection function.

  * Initializes internal clients that must not be started until

  * an external client has connected.

@@ -190,7 +89,7 @@ winProcEstablishConnection (ClientPtr client)
   static unsigned long	s_ulServerGeneration = 0;

 

   #ifdef WINDBG

-  if (s_iCallCount == 0 || s_iCallCount == CLIP_NUM_CALLS) winDebug ("winProcEstablishConnection - Hello\n");

+  if (s_iCallCount == 0) winDebug ("winProcEstablishConnection - Hello\n");

   #endif

 

   /* Do nothing if clipboard is not enabled */

@@ -219,20 +118,6 @@ winProcEstablishConnection (ClientPtr client)
   /* Increment call count */

   ++s_iCallCount;

 

-  /* Wait for CLIP_NUM_CALLS when Xdmcp is enabled */

-  if (g_fXdmcpEnabled

-      && !g_fClipboardLaunched

-      && s_iCallCount < CLIP_NUM_CALLS)

-    {

-      #ifdef WINDBG

-      if (s_iCallCount == 1) winDebug ("winProcEstablishConnection - Xdmcp, waiting to "

-	      "start clipboard client until %dth call", CLIP_NUM_CALLS);

-      if (s_iCallCount == CLIP_NUM_CALLS - 1) winDebug (".\n");

-      else winDebug (".");

-      #endif

-      return (*winProcEstablishConnectionOrig) (client);

-    }

-

   /*

    * This procedure is only used for initialization.

    * We can unwrap the original procedure at this point

@@ -283,13 +168,6 @@ winProcEstablishConnection (ClientPtr client)
        *    be XDM, could be another client) connects, which makes it

        *    almost certain that the clipboard client will not connect

        *    until after XDM when using XDMCP.

-       * 8) Unfortunately, there is another problem.

-       * 9) XDM walks the list of windows with XQueryTree,

-       *    killing any client it finds with a window.

-       * 10)Thus, when using XDMCP we wait until CLIP_NUM_CALLS

-       *    to ProcEstablishCeonnection before we startup the clipboard

-       *    client.  This should prevent XDM from finding the clipboard

-       *    client, since it has not yet created a window.

        */

       

       /* Create the clipboard client thread */