The smart scheduler is not optional.

 Backported from X.org:

 commit 9f9268821b13038556fbc029df54ab0e9b2aa77f
 Author: Mathieu Bérard <mathieu.berard@crans.org>
 Date:   Mon Aug 11 13:52:38 2008 -0400

    The smart scheduler is not optional.

 Backported-to-NX-by: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

5 files changed, 0 insertions, 107 deletions

diff --git a/nx-X11/programs/Xserver/hw/nxagent/Args.c b/nx-X11/programs/Xserver/hw/nxagent/Args.c
index 46e01c737..3844fe046 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Args.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Args.c
@@ -2538,26 +2538,10 @@ void nxagentSetBufferSize()
 
 void nxagentSetScheduler()
 {
-  #ifdef DISABLE_SMART_SCHEDULE
-
-  #ifdef SMART_SCHEDULE
-
-  #ifdef TEST
-  fprintf(stderr, "nxagentSetScheduler: Disabling the smart scheduler.\n");
-  #endif
-
-  nxagentDisableTimer();
-
-  #endif
-
-  #else /* #ifdef DISABLE_SMART_SCHEDULE */
-
   /*
    * The smart scheduler is the default.
    */
 
-  #ifdef SMART_SCHEDULE
-
   if (nxagentOption(Shadow) == 1)
   {
     #ifdef TEST
@@ -2566,10 +2550,6 @@ void nxagentSetScheduler()
 
     nxagentDisableTimer();
   }
-
-  #endif
-
-  #endif /* #ifdef DISABLE_SMART_SCHEDULE */
 }
 
 void nxagentSetCoalescence()
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Display.c b/nx-X11/programs/Xserver/hw/nxagent/Display.c
index d8e6aa7e3..eaee84855 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Display.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Display.c
@@ -597,8 +597,6 @@ Display *nxagentInternalOpenDisplay(char *display)
 
   int result;
 
-  #ifdef SMART_SCHEDULE
-
   /*
    * Stop the smart schedule timer since
    * it uses SIGALRM as we do.
@@ -606,8 +604,6 @@ Display *nxagentInternalOpenDisplay(char *display)
 
   nxagentStopTimer();
 
-  #endif
-
   /*
    * Install the handler rejecting a possible
    * loopback connection.
@@ -678,16 +674,12 @@ static void nxagentDisplayBlockHandler(Display *display, int reason)
      * for the remote display.
      */
 
-    #ifdef SMART_SCHEDULE
-
     #ifdef DEBUG
     fprintf(stderr, "nxagentDisplayBlockHandler: BLOCK! Stopping the smart schedule timer.\n");
     #endif
 
     nxagentStopTimer();
 
-    #endif
-
     if (reason == NXBlockRead)
     {
       #ifdef DEBUG
@@ -702,13 +694,9 @@ static void nxagentDisplayBlockHandler(Display *display, int reason)
 
       nxagentBlocking = 1;
 
-      #ifdef SMART_SCHEDULE
-
       if (SmartScheduleDisable == 1)
       {
 
-      #endif
-
         /*
          * Let the dispatch attend the next
          * client.
@@ -723,12 +711,8 @@ static void nxagentDisplayBlockHandler(Display *display, int reason)
         nxagentDispatch.in  = nxagentBytesIn;
         nxagentDispatch.out = nxagentBytesOut;
 
-      #ifdef SMART_SCHEDULE
-
       }
 
-      #endif
-
       /*
        * Give a chance to the next client.
        */
@@ -1022,12 +1006,8 @@ void nxagentInstallSignalHandlers()
    * Reset the SIGALRM to the default.
    */
 
-  #ifdef SMART_SCHEDULE
-
   nxagentStopTimer();
 
-  #endif
-
   newAction.sa_handler = SIG_DFL;
 
   sigfillset(&newAction.sa_mask);
@@ -1040,8 +1020,6 @@ void nxagentInstallSignalHandlers()
     FatalError("Can't set the handler for alarm signal.");
   }
 
-  #ifdef SMART_SCHEDULE
-
   /*
    * Let the smart schedule set the SIGALRM
    * handler again.
@@ -1049,8 +1027,6 @@ void nxagentInstallSignalHandlers()
 
   nxagentInitTimer();
 
-  #endif
-
   /*
    * Install our own handler for the SIGHUP.
    */
@@ -1146,12 +1122,8 @@ void nxagentResetSignalHandlers()
    * Reset the SIGALRM to the default.
    */
 
-  #ifdef SMART_SCHEDULE
-
   nxagentStopTimer();
 
-  #endif
-
   newAction.sa_handler = SIG_DFL;
 
   sigfillset(&newAction.sa_mask);
@@ -1164,8 +1136,6 @@ void nxagentResetSignalHandlers()
     FatalError("Can't set the handler for alarm signal.");
   }
 
-  #ifdef SMART_SCHEDULE
-
   /*
    * Let the smart schedule set the SIGALRM
    * handler again.
@@ -1173,7 +1143,6 @@ void nxagentResetSignalHandlers()
 
   nxagentInitTimer();
 
-  #endif
 }
 
 void nxagentOpenDisplay(int argc, char *argv[])
@@ -2969,16 +2938,12 @@ void nxagentWaitDisplay()
    * Disable the smart scheduler's interrupts.
    */
 
-  #ifdef SMART_SCHEDULE
-
   #ifdef DEBUG
   fprintf(stderr, "nxagentWaitDisplay: Stopping the smart schedule timer.\n");
   #endif
 
   nxagentStopTimer();
 
-  #endif
-
   if (nxagentDisplay != NULL)
   {
     #ifdef TEST
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Display.h b/nx-X11/programs/Xserver/hw/nxagent/Display.h
index fe8ae1d43..75da371d8 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Display.h
+++ b/nx-X11/programs/Xserver/hw/nxagent/Display.h
@@ -116,8 +116,6 @@ Bool nxagentReconnectDisplay(void *p0);
  * Deal with the smart scheduler.
  */
 
-#ifdef SMART_SCHEDULE
-
 #define nxagentInitTimer() \
 \
     SmartScheduleInit();
@@ -149,8 +147,6 @@ Bool nxagentReconnectDisplay(void *p0);
 \
     SmartScheduleDisable = 1;
 
-#endif /* #ifdef SMART_SCHEDULE */
-
 /*
  * File descriptor currently used by
  * Xlib for the agent display.
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Handlers.c b/nx-X11/programs/Xserver/hw/nxagent/Handlers.c
index 1721be9fb..8e80a1524 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Handlers.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Handlers.c
@@ -564,16 +564,12 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask)
    * the client is scheduled in.
    */
 
-  #ifdef SMART_SCHEDULE
-
   #ifdef DEBUG
   fprintf(stderr, "nxagentBlockHandler: Stopping the smart schedule timer.\n");
   #endif
 
   nxagentStopTimer();
 
-  #endif
-
   nxagentPrintGeometry();
 
   #ifdef BLOCKS
@@ -601,13 +597,9 @@ void nxagentWakeupHandler(void * data, int count, void * mask)
     nxagentHandleConnectionStates();
   }
 
-  #ifdef SMART_SCHEDULE
-
   if (SmartScheduleDisable == 1)
   {
 
-  #endif
-
     #ifdef DEBUG
     fprintf(stderr, "nxagentWakeupHandler: Resetting the dispatch state after wakeup.\n");
     #endif
@@ -617,12 +609,8 @@ void nxagentWakeupHandler(void * data, int count, void * mask)
     nxagentDispatch.in  = nxagentBytesIn;
     nxagentDispatch.out = nxagentBytesOut;
 
-  #ifdef SMART_SCHEDULE
-
   }
 
-  #endif
-
   /*
    * Can become true during the dispatch loop.
    */
@@ -897,13 +885,9 @@ void nxagentShadowWakeupHandler(void * data, int count, void * mask)
     nxagentHandleConnectionStates();
   }
 
-  #ifdef SMART_SCHEDULE
-
   if (SmartScheduleDisable == 1)
   {
 
-  #endif
-
     #ifdef DEBUG
     fprintf(stderr, "nxagentShadowWakeupHandler: Resetting the dispatch state after wakeup.\n");
     #endif
@@ -913,12 +897,8 @@ void nxagentShadowWakeupHandler(void * data, int count, void * mask)
     nxagentDispatch.in  = nxagentBytesIn;
     nxagentDispatch.out = nxagentBytesOut;
 
-  #ifdef SMART_SCHEDULE
-
   }
 
-  #endif
-
   /*
    * Can become true during the dispatch loop.
    */
@@ -1095,13 +1075,9 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out)
       #endif
     }
 
-    #ifdef SMART_SCHEDULE
-
     if (SmartScheduleDisable == 1)
     {
 
-    #endif
-
       /*
        * Pay attention to the next client if this
        * client produced enough output.
@@ -1131,12 +1107,8 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out)
       }
       #endif
 
-    #ifdef SMART_SCHEDULE
-
     }
 
-    #endif
-
     return;
   }
   else if (in > 0)
@@ -1178,13 +1150,9 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out)
      * the inner dispatch loop forever.
      */
 
-    #ifdef SMART_SCHEDULE
-
     if (SmartScheduleDisable == 1)
     {
 
-    #endif
-
       if  (client -> index != nxagentDispatch.client)
       {
         #ifdef DEBUG
@@ -1230,12 +1198,8 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out)
         #endif
       }
 
-    #ifdef SMART_SCHEDULE
-
     }
 
-    #endif
-
   }
 
   /*
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c b/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
index 452fe8c43..8fc6cf5fd 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
@@ -241,9 +241,7 @@ Dispatch(void)
     register ClientPtr	client;
     register int	nready;
     register HWEventQueuePtr* icheck = checkForInput;
-#ifdef SMART_SCHEDULE
     long			start_tick;
-#endif
 
     unsigned long currentDispatch = 0;
 
@@ -389,13 +387,11 @@ Reply   Total	Cached	Bits In			Bits Out		Bits/Reply	  Ratio
 
          #endif
 
-#ifdef SMART_SCHEDULE
 	if (nready && !SmartScheduleDisable)
 	{
 	    clientReady[0] = SmartScheduleClient (clientReady, nready);
 	    nready = 1;
 	}
-#endif
        /***************** 
 	*  Handle events in round robin fashion, doing input between 
 	*  each round 
@@ -418,9 +414,7 @@ Reply   Total	Cached	Bits In			Bits Out		Bits/Reply	  Ratio
 	    isItTimeToYield = FALSE;
  
             requestingClient = client;
-#ifdef SMART_SCHEDULE
 	    start_tick = SmartScheduleTime;
-#endif
 	    while (!isItTimeToYield)
 	    {
 	        if (*icheck[0] != *icheck[1])
@@ -428,7 +422,6 @@ Reply   Total	Cached	Bits In			Bits Out		Bits/Reply	  Ratio
 		    ProcessInputEvents();
 		    FlushIfCriticalOutputPending();
 		}
-#ifdef SMART_SCHEDULE
 		if (!SmartScheduleDisable && 
 		    (SmartScheduleTime - start_tick) >= SmartScheduleSlice)
 		{
@@ -437,7 +430,6 @@ Reply   Total	Cached	Bits In			Bits Out		Bits/Reply	  Ratio
 			client->smart_priority--;
 		    break;
 		}
-#endif
 		/* now, finally, deal with client requests */
 
                 #ifdef TEST
@@ -535,11 +527,9 @@ Reply   Total	Cached	Bits In			Bits Out		Bits/Reply	  Ratio
 #endif
 	    }
 	    FlushAllOutput();
-#ifdef SMART_SCHEDULE
 	    client = clients[clientReady[nready]];
 	    if (client)
 		client->smart_stop_tick = SmartScheduleTime;
-#endif
 	    requestingClient = NULL;
 	}
 	dispatchException &= ~DE_PRIORITYCHANGE;
@@ -1318,9 +1308,7 @@ CloseDownClient(register ClientPtr client)
 	if (client->index < nextFreeClientID)
 	    nextFreeClientID = client->index;
 	clients[client->index] = NullClient;
-#ifdef SMART_SCHEDULE
 	SmartLastClient = NullClient;
-#endif
 	free(client);
 
 	while (!clients[currentMaxClients-1])