Merge branch 'sunweaver-pr/various-os-backports' into 3.6.x

nx-X11/config/cf/Imake.tmpl

@@ -1289,6 +1289,12 @@ TCLIBDIR = TclLibDir
 #ifndef ToolkitStringsABIOptions
 #define ToolkitStringsABIOptions /**/
 #endif
+#ifndef HasSetitimer
+#define HasSetitimer YES
+#endif
+#ifndef HasSetitimerDefines
+#define HasSetitimerDefines -DHAVE_SETITIMER=1
+#endif
 #ifndef HasLdRunPath
 #define HasLdRunPath NO
 #endif
@@ -1841,6 +1847,7 @@ MODLDCOMBINEFLAGS = ModuleLdCombineFlags
   STD_CPP_OPTIONS = StandardCppOptions
   STD_CPP_DEFINES = StandardCppOptions StandardCppDefines $(PROJECT_DEFINES)
       STD_DEFINES = StandardDefines $(PROJECT_DEFINES)
+SETITIMER_DEFINES = HasSetitimerDefines
  EXTRA_LOAD_FLAGS = ExtraLoadFlags
   EXTRA_LDOPTIONS = ExtraLoadOptions
   EXTRA_LIBRARIES = MallocLibraries ExtraLibraries
@@ -1966,7 +1973,7 @@ MODLDCOMBINEFLAGS = ModuleLdCombineFlags
  * LOCAL_LDFLAGS contains client-specific ld flags flags set in Imakefile
  */
       ALLINCLUDES = $(INCLUDES) $(EXTRA_INCLUDES) $(TOP_INCLUDES) $(INSTALLED_INCLUDES) $(STD_INCLUDES)
-       ALLDEFINES = $(ALLINCLUDES) $(STD_DEFINES) $(PROTO_DEFINES) $(THREADS_DEFINES) $(MODULE_DEFINES) $(DEFINES) $(EXTRA_DEFINES)
+       ALLDEFINES = $(ALLINCLUDES) $(STD_DEFINES) $(SETITIMER_DEFINES) $(PROTO_DEFINES) $(THREADS_DEFINES) $(MODULE_DEFINES) $(DEFINES) $(EXTRA_DEFINES)
            CFLAGS = $(CDEBUGFLAGS) $(CCOPTIONS) $(THREADS_CFLAGS) $(MODULE_CFLAGS) $(ALLDEFINES)
         LINTFLAGS = $(LINTOPTS) -DLINT $(ALLDEFINES) $(DEPEND_DEFINES)
          LDPRELIB = LdPreLib $(INSTALLED_LIBS)

nx-X11/programs/Xserver/Imakefile

@@ -323,6 +323,15 @@ NXAGENTNXLIBS = -L../../../nxcomp  \
                 -lXcompshad \
                 -lXrender -lXfixes -lXfont -lXcomposite -lXdmcp \
                 -lNX_X11 -lXext
+#elif defined(OpenBSDArchitecture)
+NXAGENTNXLIBS = -L../../../nxcomp  \
+                -L../../../nx-X11/exports/lib \
+                -L../../../nxcompshad \
+                -lkvm \
+                -lXcomp \
+                -lXcompshad \
+                -lXrender -lXfixes -lXfont -lXcomposite -lXinerama -lXdmcp \
+                -lNX_X11 -lXext
 #else
 NXAGENTNXLIBS = -L../../../nxcomp  \
                 -L../../../nx-X11/exports/lib \

nx-X11/programs/Xserver/Xext/shm.c

@@ -150,7 +150,6 @@ static ShmFuncs fbFuncs = {fbShmCreatePixmap, fbShmPutImage};
 
 
 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__)
-#include <sys/signal.h>
 
 static Bool badSysCall = FALSE;
 
@@ -167,7 +166,7 @@ static Bool CheckForShmSyscall()
     int shmid = -1;
 
     /* If no SHM support in the kernel, the bad syscall will generate SIGSYS */
-    oldHandler = signal(SIGSYS, SigSysHandler);
+    oldHandler = OsSignal(SIGSYS, SigSysHandler);
 
     badSysCall = FALSE;
     shmid = shmget(IPC_PRIVATE, 4096, IPC_CREAT);
@@ -182,7 +181,7 @@ static Bool CheckForShmSyscall()
         /* Allocation failed */
         badSysCall = TRUE;
     }
-    signal(SIGSYS, oldHandler);
+    OsSignal(SIGSYS, oldHandler);
     return(!badSysCall);
 }
 

nx-X11/programs/Xserver/Xext/xf86bigfont.c

@@ -106,8 +106,6 @@ static Bool badSysCall = FALSE;
 
 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__)
 
-#include <sys/signal.h>
-
 static void
 SigSysHandler(
      int signo)
@@ -122,7 +120,7 @@ CheckForShmSyscall(void)
     int shmid = -1;
 
     /* If no SHM support in the kernel, the bad syscall will generate SIGSYS */
-    oldHandler = signal(SIGSYS, SigSysHandler);
+    oldHandler = OsSignal(SIGSYS, SigSysHandler);
 
     badSysCall = FALSE;
     shmid = shmget(IPC_PRIVATE, 4096, IPC_CREAT);
@@ -136,7 +134,7 @@ CheckForShmSyscall(void)
         /* Allocation failed */
         badSysCall = TRUE;
     }
-    signal(SIGSYS, oldHandler);
+    OsSignal(SIGSYS, oldHandler);
     return (!badSysCall);
 }
 
@@ -368,7 +366,7 @@ ProcXF86BigfontQueryVersion(
 #endif
     reply.capabilities =
 #ifdef HAS_SHM
-	(LocalClient(client) && !client->swapped ? XF86Bigfont_CAP_LocalShm : 0)
+	(client->local && !client->swapped ? XF86Bigfont_CAP_LocalShm : 0)
 #else
 	0
 #endif
@@ -432,7 +430,7 @@ ProcXF86BigfontQueryFont(
 #else
     switch (client->req_len) {
 	case 2: /* client with version 1.0 libX11 */
-	    stuff_flags = (LocalClient(client) && !client->swapped ? XF86Bigfont_FLAGS_Shm : 0);
+	    stuff_flags = (client->local && !client->swapped ? XF86Bigfont_FLAGS_Shm : 0);
 	    break;
 	case 3: /* client with version 1.1 libX11 */
 	    stuff_flags = stuff->flags;

nx-X11/programs/Xserver/dix/dispatch.c

@@ -112,6 +112,7 @@ int ProcInitialConnection();
 #include "inputstr.h"
 #include "xkbsrv.h"
 #endif
+#include "client.h"
 
 #define mskcnt ((MAXCLIENTS + 31) / 32)
 #define BITMASK(i) (1U << ((i) & 31))
@@ -221,7 +222,11 @@ InitSelections()
 #define SMART_SCHEDULE_DEFAULT_INTERVAL	20	    /* ms */
 #define SMART_SCHEDULE_MAX_SLICE	200	    /* ms */
 
-Bool	    SmartScheduleDisable = FALSE;
+#ifdef HAVE_SETITIMER
+#define SMART_SCHEDULE_DEFAULT_SIGNAL_ENABLE HAVE_SETITIMER
+Bool SmartScheduleSignalEnable = SMART_SCHEDULE_DEFAULT_SIGNAL_ENABLE;
+#endif
+
 long	    SmartScheduleSlice = SMART_SCHEDULE_DEFAULT_INTERVAL;
 long	    SmartScheduleInterval = SMART_SCHEDULE_DEFAULT_INTERVAL;
 long	    SmartScheduleMaxSlice = SMART_SCHEDULE_MAX_SLICE;
@@ -240,15 +245,13 @@ void        InitProcVectors(void);
 int
 SmartScheduleClient (int *clientReady, int nready)
 {
-    ClientPtr	pClient;
     int		i;
     int		client;
-    int		bestPrio, best = 0;
+    ClientPtr	pClient, best = NULL;
     int		bestRobin, robin;
     long	now = SmartScheduleTime;
     long	idle;
 
-    bestPrio = -0x7fffffff;
     bestRobin = 0;
     idle = 2 * SmartScheduleSlice;
     for (i = 0; i < nready; i++)
@@ -264,13 +267,19 @@ SmartScheduleClient (int *clientReady, int nready)
 	pClient->smart_check_tick = now;
 	
 	/* check priority to select best client */
-	robin = (pClient->index - SmartLastIndex[pClient->smart_priority-SMART_MIN_PRIORITY]) & 0xff;
-	if (pClient->smart_priority > bestPrio ||
-	    (pClient->smart_priority == bestPrio && robin > bestRobin))
+	robin = (pClient->index -
+	         SmartLastIndex[pClient->smart_priority -
+                                SMART_MIN_PRIORITY]) & 0xff;
+
+	/* pick the best client */
+	if (!best ||
+	    pClient->priority > best->priority ||
+	    (pClient->priority == best->priority &&
+	     (pClient->smart_priority > best->smart_priority ||
+	      (pClient->smart_priority == best->smart_priority && robin > bestRobin))))
 	{
-	    bestPrio = pClient->smart_priority;
+	    best = pClient;
 	    bestRobin = robin;
-	    best = client;
 	}
 #ifdef SMART_DEBUG
 	if ((now - SmartLastPrint) >= 5000)
@@ -284,8 +293,7 @@ SmartScheduleClient (int *clientReady, int nready)
 	SmartLastPrint = now;
     }
 #endif
-    pClient = clients[best];
-    SmartLastIndex[bestPrio-SMART_MIN_PRIORITY] = pClient->index;
+    SmartLastIndex[best->smart_priority - SMART_MIN_PRIORITY] = best->index;
     /*
      * Set current client pointer
      */
@@ -314,7 +322,7 @@ SmartScheduleClient (int *clientReady, int nready)
     {
 	SmartScheduleSlice = SmartScheduleInterval;
     }
-    return best;
+    return best->index;
 }
 
 #ifndef NXAGENT_SERVER
@@ -348,7 +356,7 @@ Dispatch(void)
 
 	nready = WaitForSomething(clientReady);
 
-	if (nready && !SmartScheduleDisable)
+	if (nready)
 	{
 	    clientReady[0] = SmartScheduleClient (clientReady, nready);
 	    nready = 1;
@@ -383,8 +391,7 @@ Dispatch(void)
 		    ProcessInputEvents();
 		    FlushIfCriticalOutputPending();
 		}
-		if (!SmartScheduleDisable && 
-		    (SmartScheduleTime - start_tick) >= SmartScheduleSlice)
+		if ((SmartScheduleTime - start_tick) >= SmartScheduleSlice)
 		{
 		    /* Penalize clients which consume ticks */
 		    if (client->smart_priority > SMART_MIN_PRIORITY)
@@ -412,7 +419,10 @@ Dispatch(void)
 		    result = BadLength;
 		else
 		    result = (* client->requestVector[MAJOROP])(client);
-	    
+
+		if (!SmartScheduleSignalEnable)
+		    SmartScheduleTime = GetTimeInMillis();
+
 		if (result != Success) 
 		{
 		    if (client->noClientException != Success)
@@ -3551,6 +3561,9 @@ CloseDownClient(register ClientPtr client)
 	    CallCallbacks((&ClientStateCallback), (void *)&clientinfo);
 	} 	    
 	FreeClientResources(client);
+	/* Disable client ID tracking. This must be done after
+	 * ClientStateCallback. */
+	ReleaseClientIds(client);
 	if (client->index < nextFreeClientID)
 	    nextFreeClientID = client->index;
 	clients[client->index] = NullClient;
@@ -3634,6 +3647,7 @@ void InitClient(ClientPtr client, int i, void * ospriv)
     client->smart_start_tick = SmartScheduleTime;
     client->smart_stop_tick = SmartScheduleTime;
     client->smart_check_tick = SmartScheduleTime;
+    client->clientIds = NULL;
 }
 
 extern int clientPrivateLen;
@@ -3715,6 +3729,11 @@ ClientPtr NextAvailableClient(void * ospriv)
 	currentMaxClients++;
     while ((nextFreeClientID < MAXCLIENTS) && clients[nextFreeClientID])
 	nextFreeClientID++;
+
+    /* Enable client ID tracking. This must be done before
+     * ClientStateCallback. */
+    ReserveClientIds(client);
+
     if (ClientStateCallback)
     {
 	NewClientInfoRec clientinfo;
@@ -3733,12 +3752,14 @@ ProcInitialConnection(register ClientPtr client)
     REQUEST(xReq);
     register xConnClientPrefix *prefix;
     int whichbyte = 1;
+    char order;
 
     prefix = (xConnClientPrefix *)((char *)stuff + sz_xReq);
-    if ((prefix->byteOrder != 'l') && (prefix->byteOrder != 'B'))
+    order = prefix->byteOrder;
+    if (order != 'l' && order != 'B' && order != 'r' && order != 'R')
 	return (client->noClientException = -1);
-    if (((*(char *) &whichbyte) && (prefix->byteOrder == 'B')) ||
-	(!(*(char *) &whichbyte) && (prefix->byteOrder == 'l')))
+    if (((*(char *) &whichbyte) && (order == 'B' || order == 'R')) ||
+	(!(*(char *) &whichbyte) && (order == 'l' || order == 'r')))
     {
 	client->swapped = TRUE;
 	SwapConnClientPrefix(prefix);
@@ -3750,6 +3771,10 @@ ProcInitialConnection(register ClientPtr client)
     {
 	swaps(&stuff->length);
     }
+    if (order == 'r' || order == 'R')
+    {
+	client->local = FALSE;
+    }
     ResetCurrentRequest(client);
     return (client->noClientException);
 }

nx-X11/programs/Xserver/dix/globals.c

@@ -149,6 +149,8 @@ int defaultColorVisualClass = -1;
 int monitorResolution = 0;
 
 char *display;
+int displayfd = -1;
+Bool explicit_display = FALSE;
 
 CARD32 TimeOutValue = DEFAULT_TIMEOUT * MILLI_PER_SECOND;
 int	argcGlobal;

nx-X11/programs/Xserver/dix/main.c

@@ -100,6 +100,7 @@ Equipment Corporation.
 #include "site.h"
 #include "dixfont.h"
 #include "extnsionst.h"
+#include "client.h"
 #ifdef PANORAMIX
 #include "panoramiXsrv.h"
 #else
@@ -382,6 +383,7 @@ main(int argc, char *argv[], char *envp[])
 	InitInput(argc, argv);
 	if (InitAndStartDevices() != Success)
 	    FatalError("failed to initialize core devices");
+	ReserveClientIds(serverClient);
 
 	InitFonts();
 	if (loadableFonts) {
@@ -430,6 +432,8 @@ main(int argc, char *argv[], char *envp[])
 	    	FatalError("could not create connection block info");
 	}
 
+	NotifyParentProcess();
+
 	Dispatch();
 
 	/* Now free up whatever must be freed */
@@ -470,6 +474,7 @@ main(int argc, char *argv[], char *envp[])
 #endif
 	FreeAuditTimer();
 
+	ReleaseClientIds(serverClient);
 	free(serverClient->devPrivates);
 	serverClient->devPrivates = NULL;
 

nx-X11/programs/Xserver/hw/nxagent/Display.c

@@ -669,7 +669,7 @@ static void nxagentDisplayBlockHandler(Display *display, int reason)
 
       nxagentBlocking = 1;
 
-      if (SmartScheduleDisable == 1)
+      if (!SmartScheduleSignalEnable)
       {
 
         /*

nx-X11/programs/Xserver/hw/nxagent/Display.h

@@ -116,36 +116,29 @@ Bool nxagentReconnectDisplay(void *p0);
  * Deal with the smart scheduler.
  */
 
+#if HAVE_SETITIMER
 #define nxagentInitTimer() \
 \
     SmartScheduleInit();
 
 #define nxagentStopTimer() \
 \
-    if (SmartScheduleTimerStopped == 0) \
-    { \
-      SmartScheduleStopTimer(); \
-    } \
-\
-    SmartScheduleIdle = 1;
+    SmartScheduleStopTimer(); \
 
 #define nxagentStartTimer() \
 \
-    if (SmartScheduleTimerStopped == 1) \
-    { \
-      SmartScheduleStartTimer(); \
-    } \
-\
-      SmartScheduleIdle = 0;
+    SmartScheduleStartTimer();
 
 #define nxagentDisableTimer() \
 \
-    if (SmartScheduleTimerStopped == 0) \
-    { \
-      SmartScheduleStopTimer(); \
-    } \
-\
-    SmartScheduleDisable = 1;
+    SmartScheduleStopTimer(); \
+    SmartScheduleSignalEnable = FALSE;
+#else
+#define nxagentInitTimer()
+#define nxagentStopTimer()
+#define nxagentStartTimer()
+#define nxagentDisableTimer()
+#endif /* HAVE_SETITIMER */
 
 /*
  * File descriptor currently used by

nx-X11/programs/Xserver/hw/nxagent/Handlers.c

@@ -597,7 +597,7 @@ void nxagentWakeupHandler(void * data, int count, void * mask)
     nxagentHandleConnectionStates();
   }
 
-  if (SmartScheduleDisable == 1)
+  if (!SmartScheduleSignalEnable)
   {
 
     #ifdef DEBUG
@@ -885,7 +885,7 @@ void nxagentShadowWakeupHandler(void * data, int count, void * mask)
     nxagentHandleConnectionStates();
   }
 
-  if (SmartScheduleDisable == 1)
+  if (!SmartScheduleSignalEnable)
   {
 
     #ifdef DEBUG
@@ -1075,7 +1075,7 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out)
       #endif
     }
 
-    if (SmartScheduleDisable == 1)
+    if (!SmartScheduleSignalEnable)
     {
 
       /*
@@ -1150,7 +1150,7 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out)
      * the inner dispatch loop forever.
      */
 
-    if (SmartScheduleDisable == 1)
+    if (!SmartScheduleSignalEnable)
     {
 
       if  (client -> index != nxagentDispatch.client)

nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c

@@ -387,7 +387,7 @@ Reply   Total	Cached	Bits In			Bits Out		Bits/Reply	  Ratio
 
          #endif
 
-	if (nready && !SmartScheduleDisable)
+	if (nready)
 	{
 	    clientReady[0] = SmartScheduleClient (clientReady, nready);
 	    nready = 1;
@@ -422,8 +422,7 @@ Reply   Total	Cached	Bits In			Bits Out		Bits/Reply	  Ratio
 		    ProcessInputEvents();
 		    FlushIfCriticalOutputPending();
 		}
-		if (!SmartScheduleDisable && 
-		    (SmartScheduleTime - start_tick) >= SmartScheduleSlice)
+		if ((SmartScheduleTime - start_tick) >= SmartScheduleSlice)
 		{
 		    /* Penalize clients which consume ticks */
 		    if (client->smart_priority > SMART_MIN_PRIORITY)
@@ -512,6 +511,10 @@ Reply   Total	Cached	Bits In			Bits Out		Bits/Reply	  Ratio
 		    result = (* client->requestVector[MAJOROP])(client);
 #endif
 
+
+                if (!SmartScheduleSignalEnable)
+                    SmartScheduleTime = GetTimeInMillis();
+
 		if (result != Success) 
 		{
 		    if (client->noClientException != Success)

nx-X11/programs/Xserver/hw/nxagent/man/nxagent.1

@@ -178,6 +178,13 @@ different from the user's real uid.
 .B \-core
 causes the server to generate a core dump on fatal errors.
 .TP 8
+.B \-displayfd \fIfd\fP
+specifies a file descriptor in the launching process.  Rather than specify
+a display number, the X server will attempt to listen on successively higher
+display numbers, and upon finding a free one, will write the port number back
+on this file descriptor as a newline-terminated string.  The \-pn option is
+ignored when using \-displayfd.
+.TP 8
 .B \-deferglyphs \fIwhichfonts\fP
 specifies the types of fonts for which the server should attempt to use
 deferred glyph loading.  \fIwhichfonts\fP can be all (all fonts),
@@ -295,10 +302,6 @@ required by the X protocol, which allows the server to exceed the
 client's backing store expectations but does not provide a way to tell
 the client that it is doing so.
 .TP 8
-.B \-x \fIextension\fP
-loads the specified extension at init.
-This is a no-op for most implementations.
-.TP 8
 .B [+-]xinerama
 enables(+) or disables(-) XINERAMA provided via the PanoramiX extension. This is
 set to off by default.

nx-X11/programs/Xserver/include/Imakefile

@@ -16,6 +16,7 @@ depend::
 InstallDriverSDKNonExecFile(XIstubs.h,$(DRIVERSDKINCLUDEDIR))
 InstallDriverSDKNonExecFile(bstore.h,$(DRIVERSDKINCLUDEDIR))
 InstallDriverSDKNonExecFile(bstorestr.h,$(DRIVERSDKINCLUDEDIR))
+InstallDriverSDKNonExecFile(client.h,$(DRIVERSDKINCLUDEDIR))
 InstallDriverSDKNonExecFile(colormap.h,$(DRIVERSDKINCLUDEDIR))
 InstallDriverSDKNonExecFile(colormapst.h,$(DRIVERSDKINCLUDEDIR))
 InstallDriverSDKNonExecFile(cursor.h,$(DRIVERSDKINCLUDEDIR))

nx-X11/programs/Xserver/include/client.h

+/*
+ * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). All
+ * rights reserved.
+ *
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+/* Author: Rami Ylimäki <rami.ylimaki@vincit.fi> */
+
+#ifndef CLIENT_H
+#define CLIENT_H
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif                          /* HAVE_DIX_CONFIG_H */
+#include <X11/Xfuncproto.h>
+#include <sys/types.h>
+
+/* Client IDs. Use GetClientPid, GetClientCmdName and GetClientCmdArgs
+ * instead of accessing the fields directly. */
+typedef struct {
+    pid_t pid;                  /* process ID, -1 if not available */
+    const char *cmdname;        /* process name, NULL if not available */
+    const char *cmdargs;        /* process arguments, NULL if not available */
+} ClientIdRec, *ClientIdPtr;
+
+struct _Client;
+
+/* Initialize and clean up. */
+void ReserveClientIds(struct _Client *client);
+void ReleaseClientIds(struct _Client *client);
+
+/* Determine client IDs for caching. Exported on purpose for
+ * extensions such as SELinux. */
+extern _X_EXPORT pid_t DetermineClientPid(struct _Client *client);
+extern _X_EXPORT void DetermineClientCmd(pid_t, const char **cmdname,
+                                         const char **cmdargs);
+
+/* Query cached client IDs. Exported on purpose for drivers. */
+extern _X_EXPORT pid_t GetClientPid(struct _Client *client);
+extern _X_EXPORT const char *GetClientCmdName(struct _Client *client);
+extern _X_EXPORT const char *GetClientCmdArgs(struct _Client *client);
+
+#endif                          /* CLIENT_H */

nx-X11/programs/Xserver/include/dixstruct.h

@@ -24,6 +24,7 @@ SOFTWARE.
 #ifndef DIXSTRUCT_H
 #define DIXSTRUCT_H
 
+#include "client.h"
 #include "dix.h"
 #include "resource.h"
 #include "cursor.h"
@@ -94,6 +95,7 @@ typedef struct _Client {
     void        *requestBuffer;
     void        *osPrivate;	/* for OS layer, including scheduler */
     Bool        swapped;
+    Bool        local;
     ReplySwapPtr pSwapReplyFunc;
     XID         errorValue;
     int         sequence;
@@ -141,6 +143,8 @@ typedef struct _Client {
     long    smart_start_tick;
     long    smart_stop_tick;
     long    smart_check_tick;
+
+    ClientIdPtr  clientIds;
 }           ClientRec;
 
 /*
@@ -150,18 +154,19 @@ extern long SmartScheduleTime;
 extern long SmartScheduleInterval;
 extern long SmartScheduleSlice;
 extern long SmartScheduleMaxSlice;
-extern unsigned long SmartScheduleIdleCount;
-extern Bool SmartScheduleDisable;
-extern Bool SmartScheduleIdle;
-extern Bool SmartScheduleTimerStopped;
-extern Bool SmartScheduleStartTimer(void);
-#ifdef NXAGENT_SERVER
-extern Bool SmartScheduleStopTimer(void);
+#ifdef HAVE_SETITIMER
+#if HAVE_SETITIMER
+extern Bool SmartScheduleSignalEnable;
+#else
+#define SmartScheduleSignalEnable FALSE
+#endif
 #endif
+extern void SmartScheduleStartTimer(void);
+extern void SmartScheduleStopTimer(void);
 #define SMART_MAX_PRIORITY  (20)
 #define SMART_MIN_PRIORITY  (-20)
 
-extern Bool SmartScheduleInit(void);
+extern void SmartScheduleInit(void);
 
 /* This prototype is used pervasively in Xext, dix */
 #define DISPATCH_PROC(func) int func(ClientPtr /* client */)

nx-X11/programs/Xserver/include/opaque.h

@@ -52,6 +52,8 @@ extern int defaultScreenSaverAllowExposures;
 extern int argcGlobal;
 extern char **argvGlobal;
 extern char *display;
+extern int displayfd;
+extern Bool explicit_display;
 
 extern int defaultBackingStore;
 extern Bool disableBackingStore;
@@ -76,6 +78,6 @@ extern long maxBigRequestSize;
 extern Bool blackRoot;
 
 extern Bool CoreDump;
-
+extern Bool NoListenAll;
 
 #endif /* OPAQUE_H */

nx-X11/programs/Xserver/include/os.h

@@ -120,6 +120,8 @@ extern void ResetOsBuffers(void);
 
 extern void InitConnectionLimits(void);
 
+extern void NotifyParentProcess(void);
+
 extern void CreateWellKnownSockets(void);
 
 extern void ResetWellKnownSockets(void);
@@ -135,10 +137,6 @@ extern char *ClientAuthorized(
     unsigned int /*string_n*/,
     char* /*auth_string*/);
 
-extern Bool EstablishNewConnections(
-    ClientPtr /*clientUnused*/,
-    void * /*closure*/);
-
 extern void CheckConnections(void);
 
 extern void CloseDownConnection(ClientPtr /*client*/);
@@ -317,10 +315,26 @@ typedef struct sockaddr * sockaddrPtr;
 
 extern int InvalidHost(sockaddrPtr /*saddr*/, int /*len*/, ClientPtr client);
 
-extern int LocalClient(ClientPtr /* client */);
-
 extern int LocalClientCred(ClientPtr, int *, int *);
 
+#define LCC_UID_SET    (1 << 0)
+#define LCC_GID_SET    (1 << 1)
+#define LCC_PID_SET    (1 << 2)
+#define LCC_ZID_SET    (1 << 3)
+
+typedef struct {
+    int fieldsSet;     /* Bit mask of fields set */
+    int        euid;           /* Effective uid */
+    int egid;          /* Primary effective group id */
+    int nSuppGids;     /* Number of supplementary group ids */
+    int *pSuppGids;    /* Array of supplementary group ids */
+    int pid;           /* Process id */
+    int zoneid;                /* Only set on Solaris 10 & later */
+} LocalClientCredRec;
+
+extern int GetLocalClientCreds(ClientPtr, LocalClientCredRec **);
+extern void FreeLocalClientCreds(LocalClientCredRec *);
+
 extern int ChangeAccessControl(ClientPtr /*client*/, int /*fEnabled*/);
 
 extern int GetAccessControl(void);
@@ -506,6 +520,7 @@ typedef enum {
 #endif
 
 extern const char *LogInit(const char *fname, const char *backup);
+extern void LogSetDisplay(void);
 extern void LogClose(void);
 extern Bool LogSetParameter(LogParameter param, int value);
 extern void LogVWrite(int verb, const char *f, va_list args);

nx-X11/programs/Xserver/os/Imakefile

@@ -25,25 +25,31 @@
 
 #include <Server.tmpl>
 
+NULL =
+
 /*
  * If you have any extra files to be put into the library, define them here.
  */
 
+ZONEID_DEFINES = -UHAVE_GETZONEID
+
 #if NXLibraries
 
 NX_INCLUDES = -I../../../../nxcomp
 
-NX_DEFINES = -DNX_TRANS_SOCKET        \
-             -DNX_TRANS_AUTH          \
-             -DNX_TRANS_FOPEN         \
-             -DNX_TRANS_SLEEP         \
-             -DNX_TRANS_EXIT          \
-             -DNX_TRANS_WAKEUP=1000
+NX_DEFINES = -DNX_TRANS_SOCKET		\
+             -DNX_TRANS_AUTH		\
+             -DNX_TRANS_FOPEN		\
+             -DNX_TRANS_SLEEP		\
+             -DNX_TRANS_EXIT		\
+             -DNX_TRANS_WAKEUP=1000	\
+             -DNXAGENT_SERVER		\
+             $(NULL)
 
-#            -DNX_TRANS_WARN          \
-#            -DNX_TRANS_INFO          \
-#            -DNX_TRANS_TEST          \
-#            -DNX_TRANS_DEBUG         \
+#            -DNX_TRANS_WARN		\
+#            -DNX_TRANS_INFO		\
+#            -DNX_TRANS_TEST		\
+#            -DNX_TRANS_DEBUG		\
 
 #endif
 
@@ -121,16 +127,53 @@ TMEMCMP_OBJS = timingsafe_memcmp.o
 #endif
 
 BOOTSTRAPCFLAGS = 
-           SRCS = WaitFor.c access.c connection.c io.c $(COLOR_SRCS) \
-                  osinit.c utils.c log.c auth.c mitauth.c secauth.c \
-                  $(XDMAUTHSRCS) $(RPCSRCS) xdmcp.c OtherSources \
-                  xstrans.c $(SNPRINTF_SRCS) $(STRLCAT_SRCS) \
-		  $(REALLOCARRAY_SRCS) xprintf.c $(TMEMCMP_SRCS)
-           OBJS = WaitFor.o access.o connection.o io.o $(COLOR_OBJS) \
-                  osinit.o utils.o log.o auth.o mitauth.o secauth.o \
-                  $(XDMAUTHOBJS) $(RPCOBJS) xdmcp.o OtherObjects \
-                  xstrans.o $(SNPRINTF_OBJS) $(STRLCAT_OBJS) \
-		  $(REALLOCARRAY_OBJS) xprintf.o $(TMEMCMP_OBJS)
+           SRCS = WaitFor.c		\
+                  access.c		\
+                  client.c		\
+                  connection.c		\
+                  io.c			\
+                  $(COLOR_SRCS)		\
+                  osinit.c		\
+                  utils.c		\
+                  log.c			\
+                  auth.c		\
+                  mitauth.c		\
+                  secauth.c		\
+                  $(XDMAUTHSRCS)	\
+                  $(RPCSRCS)		\
+                  xdmcp.c		\
+                  OtherSources		\
+                  xstrans.c		\
+                  $(SNPRINTF_SRCS)	\
+                  $(STRLCAT_SRCS)	\
+                  $(REALLOCARRAY_SRCS)	\
+                  xprintf.c		\
+                  $(TMEMCMP_SRCS)	\
+                  $(NULL)
+
+           OBJS = WaitFor.o		\
+                  access.o		\
+                  client.o		\
+                  connection.o		\
+                  io.o			\
+                  $(COLOR_OBJS)		\
+                  osinit.o 		\
+                  utils.o		\
+                  log.o			\
+                  auth.o		\
+                  mitauth.o		\
+                  secauth.o		\
+                  $(XDMAUTHOBJS)	\
+                  $(RPCOBJS)		\
+                  xdmcp.o		\
+                  OtherObjects		\
+                  xstrans.o		\
+                  $(SNPRINTF_OBJS)	\
+                  $(STRLCAT_OBJS)	\
+                  $(REALLOCARRAY_OBJS)	\
+                  xprintf.o		\
+                  $(TMEMCMP_OBJS)	\
+                  $(NULL)
 
 #if UseMemLeak
      MEM_DEFINES = -DMEMBUG
@@ -143,18 +186,39 @@ BOOTSTRAPCFLAGS =
 #endif
  XTRANS_DEFINES = -DXTRANS_SEND_FDS=0
 
-        DEFINES = $(CONNECTION_FLAGS) $(MEM_DEFINES) \
-		  $(XDMAUTHDEFS) $(RPCDEFS) $(SIGNAL_DEFINES) $(OS_DEFINES) \
-		  $(GETPEER_DEFINES) \
-		  $(RANDOM_DEFINES) $(BUGMSG) $(XTRANS_FAILDEFINES) \
-		  $(XTRANS_DEFINES) $(NX_DEFINES)
-       INCLUDES = -I. -I../include -I$(XINCLUDESRC) -I$(EXTINCSRC) \
-		  -I$(SERVERSRC)/Xext -I$(SERVERSRC)/render \
-		  -I$(TOP)/lib/Xau $(NX_INCLUDES) \
-		  `pkg-config --cflags-only-I pixman-1`
- DEPEND_DEFINES = $(XDMCP_DEFINES) $(EXT_DEFINES) \
-		  $(TRANS_INCLUDES) $(CONNECTION_FLAGS) $(GETPEER_DEFINES) \
-		  DependDefines
+        DEFINES = $(CONNECTION_FLAGS)			\
+                  $(MEM_DEFINES)			\
+                  $(XDMAUTHDEFS)			\
+                  $(RPCDEFS)				\
+                  $(SIGNAL_DEFINES)			\
+                  $(OS_DEFINES)				\
+                  $(GETPEER_DEFINES)			\
+                  $(RANDOM_DEFINES)			\
+                  $(BUGMSG)				\
+                  $(XTRANS_FAILDEFINES)			\
+                  $(XTRANS_DEFINES)			\
+                  $(NX_DEFINES)				\
+                  $(NULL)
+
+       INCLUDES = -I.					\
+                  -I../include				\
+                  -I$(XINCLUDESRC)			\
+                  -I$(EXTINCSRC)			\
+                  -I$(SERVERSRC)/Xext			\
+                  -I$(SERVERSRC)/render			\
+                  -I$(TOP)/lib/Xau			\
+                  $(NX_INCLUDES)			\
+                  `pkg-config --cflags-only-I pixman-1`	\
+                  $(NULL)
+
+ DEPEND_DEFINES = $(XDMCP_DEFINES)			\
+                  $(EXT_DEFINES)			\
+                  $(TRANS_INCLUDES)			\
+                  $(CONNECTION_FLAGS)			\
+                  $(GETPEER_DEFINES)			\
+                  DependDefines				\
+                  $(NULL)
+
        LINTLIBS = ../dix/llib-ldix.ln
 
 #ifdef NEED_ALLOCA_FROM_LIBPW
@@ -176,7 +240,7 @@ alloca.o:  $(PWLIB)
 	ar x $(PWLIB) alloca.o
 #endif /* NEED_ALLOCA_FROM_LIBPW */
 
-SpecialCObjectRule(access,$(ICONFIGFILES),$(XDMCP_DEFINES) $(SOCK_DEFINES) $(IFADDRS_DEFINES))
+SpecialCObjectRule(access,$(ICONFIGFILES),$(XDMCP_DEFINES) $(SOCK_DEFINES) $(IFADDRS_DEFINES) $(ZONEID_DEFINES))
 SpecialCObjectRule(auth,$(ICONFIGFILES),$(XDMCP_DEFINES))
 SpecialCObjectRule(xdmauth,$(ICONFIGFILES),$(XDMCP_DEFINES))
 SpecialCObjectRule(xdmcp,$(ICONFIGFILES),$(SOCK_DEFINES) $(XDMCP_DEFINES))

nx-X11/programs/Xserver/os/WaitFor.c

@@ -213,18 +213,10 @@ WaitForSomething(int *pClientsReady)
 	    ProcessWorkQueue();
 	if (XFD_ANYSET (&ClientsWithInput))
 	{
-	    if (!SmartScheduleDisable)
-	    {
-		someReady = TRUE;
-		waittime.tv_sec = 0;
-		waittime.tv_usec = 0;
-		wt = &waittime;
-	    }
-	    else
-	    {
-		XFD_COPYSET (&ClientsWithInput, &clientsReadable);
-		break;
-	    }
+	    someReady = TRUE;
+	    waittime.tv_sec = 0;
+	    waittime.tv_usec = 0;
+	    wt = &waittime;
 	}
 	if (someReady)
 	{
@@ -247,7 +239,8 @@ WaitForSomething(int *pClientsReady)
 	}
 	XFD_COPYSET(&AllSockets, &LastSelectMask);
 	}
-	SmartScheduleIdle = TRUE;
+	SmartScheduleStopTimer ();
+
 	BlockHandler((void *)&wt, (void *)&LastSelectMask);
 	if (NewOutputPending)
 	    FlushAllOutput();
@@ -387,13 +380,8 @@ WaitForSomething(int *pClientsReady)
 	    i = XTestProcessInputAction (i, &waittime);
 	}
 #endif /* XTESTEXT1 */
-	if (i >= 0)
-	{
-	    SmartScheduleIdle = FALSE;
-	    SmartScheduleIdleCount = 0;
-	    if (SmartScheduleTimerStopped)
-		(void) SmartScheduleStartTimer ();
-	}
+	SmartScheduleStartTimer ();
+
 	if (i <= 0) /* An error or timeout occurred */
 	{
 #if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
@@ -507,10 +495,6 @@ WaitForSomething(int *pClientsReady)
 	    }
 
 	    XFD_ANDSET(&clientsReadable, &LastSelectMask, &AllClients); 
-	    XFD_ANDSET(&tmp_set, &LastSelectMask, &WellKnownConnections);
-	    if (XFD_ANYSET(&tmp_set))
-		QueueWorkProc(EstablishNewConnections, NULL,
-		              (void *)&LastSelectMask);
 
 	    XFD_ANDSET(&tmp_set, &LastSelectMask, &NotifyReadFds);
 	    if (XFD_ANYSET(&tmp_set) || someNotifyWriteReady)
@@ -544,17 +528,14 @@ WaitForSomething(int *pClientsReady)
 #ifndef WIN32
 	for (i=0; i<howmany(XFD_SETSIZE, NFDBITS); i++)
 	{
-	    int highest_priority = 0;
-
 	    while (clientsReadable.fds_bits[i])
 	    {
-	        int client_priority, client_index;
+		int client_index;
 
 		curclient = ffs (clientsReadable.fds_bits[i]) - 1;
 		client_index = /* raphael: modified */
 			ConnectionTranslation[curclient + (i * (sizeof(fd_mask) * 8))];
 #else
-	int highest_priority = 0;
 	fd_set savedClientsReadable;
 	XFD_COPYSET(&clientsReadable, &savedClientsReadable);
 	for (i = 0; i < XFD_SETCOUNT(&savedClientsReadable); i++)
@@ -564,40 +545,10 @@ WaitForSomething(int *pClientsReady)
 	    curclient = XFD_FD(&savedClientsReadable, i);
 	    client_index = GetConnectionTranslation(curclient);
 #endif
-#ifdef XSYNC
-		/*  We implement "strict" priorities.
-		 *  Only the highest priority client is returned to
-		 *  dix.  If multiple clients at the same priority are
-		 *  ready, they are all returned.  This means that an
-		 *  aggressive client could take over the server.
-		 *  This was not considered a big problem because
-		 *  aggressive clients can hose the server in so many 
-		 *  other ways :)
-		 */
-		client_priority = clients[client_index]->priority;
-		if (nready == 0 || client_priority > highest_priority)
-		{
-		    /*  Either we found the first client, or we found
-		     *  a client whose priority is greater than all others
-		     *  that have been found so far.  Either way, we want 
-		     *  to initialize the list of clients to contain just
-		     *  this client.
-		     */
-		    pClientsReady[0] = client_index;
-		    highest_priority = client_priority;
-		    nready = 1;
-		}
-		/*  the following if makes sure that multiple same-priority 
-		 *  clients get batched together
-		 */
-		else if (client_priority == highest_priority)
-#endif
-		{
-		    pClientsReady[nready++] = client_index;
-		}
+	    pClientsReady[nready++] = client_index;
 #ifndef WIN32
-		clientsReadable.fds_bits[i] &= ~(((fd_mask)1L) << curclient);
-	    }
+	    clientsReadable.fds_bits[i] &= ~(((fd_mask)1L) << curclient);
+	}
 #else
 	    FD_CLR(curclient, &clientsReadable);
 #endif

nx-X11/programs/Xserver/os/io.c

@@ -252,7 +252,14 @@ ReadRequestFromClient(ClientPtr client)
     move_header = FALSE;
 #endif
     gotnow = oci->bufcnt + oci->buffer - oci->bufptr;
-    if (gotnow < sizeof(xReq))
+
+    if (oci->ignoreBytes > 0) {
+	if (oci->ignoreBytes > oci->size)
+	    needed = oci->size;
+	else
+	    needed = oci->ignoreBytes;
+    }
+    else if (gotnow < sizeof(xReq))
     {
 	/* We don't have an entire xReq yet.  Can't tell how big
 	 * the request will be until we get the whole xReq.
@@ -297,8 +304,13 @@ ReadRequestFromClient(ClientPtr client)
 	if (needed > MAXBUFSIZE)
 	{
 	    /* request is too big for us to handle */
-	    YieldControlDeath();
-	    return -1;
+	    /*
+	     * Mark the rest of it as needing to be ignored, and then return
+	     * the full size.  Dispatch() will turn it into a BadLength error.
+	     */
+	    oci->ignoreBytes = needed - gotnow;
+	    oci->lenLastReq = gotnow;
+	    return needed;
 	}
 	if ((gotnow == 0) ||
 	    ((oci->bufptr - oci->buffer + needed) > oci->size))
@@ -405,6 +417,29 @@ ReadRequestFromClient(ClientPtr client)
 #endif
 	    needed = sizeof(xReq);
     }
+
+    /* If there are bytes to ignore, ignore them now. */
+
+    if (oci->ignoreBytes > 0) {
+	assert(needed == oci->ignoreBytes || needed == oci->size);
+	oci->ignoreBytes -= gotnow;
+	needed = gotnow = 0;
+	/*
+	 * The _XSERVTransRead call above may return more or fewer bytes than we
+	 * want to ignore.  Ignore the smaller of the two sizes.
+	 */
+	if (gotnow < needed) {
+	    oci->ignoreBytes -= gotnow;
+	    oci->bufptr += gotnow;
+	    gotnow = 0;
+	} else {
+	    oci->ignoreBytes -= needed;
+	    oci->bufptr += needed;
+	    gotnow -= needed;
+	}
+	needed = 0;
+    }
+
     oci->lenLastReq = needed;
 
     /*
@@ -430,24 +465,15 @@ ReadRequestFromClient(ClientPtr client)
 	    FD_SET(fd, &ClientsWithInput);
 	else
 	{
-	    if (!SmartScheduleDisable)
-		FD_CLR(fd, &ClientsWithInput);
-	    else
-		YieldControlNoInput();
+	    FD_CLR(fd, &ClientsWithInput);
 	}
     }
     else
     {
 	if (!gotnow)
 	    AvailableInput = oc;
-	if (!SmartScheduleDisable)
-	    FD_CLR(fd, &ClientsWithInput);
-	else
-	    YieldControlNoInput();
+	FD_CLR(fd, &ClientsWithInput);
     }
-    if (SmartScheduleDisable)
-    if (++timesThisConnection >= MAX_TIMES_PER)
-	YieldControl();
 #ifdef BIGREQS
     if (move_header)
     {
@@ -755,9 +781,6 @@ FlushAllOutput(void)
     fd_set newOutputPending;
 #endif
 
-    if (FlushCallback)
-	CallCallbacks(&FlushCallback, NULL);
-
     if (!newoutput)
 	return;
 
@@ -958,7 +981,7 @@ WriteToClient (ClientPtr who, int count, const void *__buf)
 	}
     }
 #endif
-    if (oco->count + count + padBytes > oco->size)
+    if (oco->count == 0 || oco->count + count + padBytes > oco->size)
     {
 	FD_CLR(oc->fd, &OutputPending);
 	if(!XFD_ANYSET(&OutputPending)) {
@@ -971,7 +994,11 @@ WriteToClient (ClientPtr who, int count, const void *__buf)
     NewOutputPending = TRUE;
     FD_SET(oc->fd, &OutputPending);
     memmove((char *)oco->buf + oco->count, buf, count);
-    oco->count += count + padBytes;
+    oco->count += count;
+    if (padBytes) {
+	memset(oco->buf + oco->count, '\0', padBytes);
+	oco->count += padBytes;
+    }
     return(count);
 }
 
@@ -1004,6 +1031,13 @@ FlushClient(ClientPtr who, OsCommPtr oc, const void *__extraBuf, int extraCount)
     written = 0;
     padsize = padlength[extraCount & 3];
     notWritten = oco->count + extraCount + padsize;
+
+    if (!notWritten)
+	return 0;
+
+    if (FlushCallback)
+	CallCallbacks(&FlushCallback, who);
+
     todo = notWritten;
     while (notWritten) {
 	long before = written;	/* amount of whole thing written */
@@ -1083,10 +1117,11 @@ FlushClient(ClientPtr who, OsCommPtr oc, const void *__extraBuf, int extraCount)
 
 	    if (notWritten > oco->size)
 	    {
-		unsigned char *obuf;
+		unsigned char *obuf = NULL;
 
-		obuf = (unsigned char *)realloc(oco->buf,
-						 notWritten + BUFSIZE);
+		if (notWritten + BUFSIZE <= INT_MAX) {
+		    obuf = realloc(oco->buf, notWritten + BUFSIZE);
+		}
 		if (!obuf)
 		{
 		    _XSERVTransDisconnect(oc->trans_conn);
@@ -1173,6 +1208,7 @@ AllocateInputBuffer(void)
     oci->bufptr = oci->buffer;
     oci->bufcnt = 0;
     oci->lenLastReq = 0;
+    oci->ignoreBytes = 0;
     return oci;
 }
 
@@ -1217,6 +1253,7 @@ FreeOsBuffers(OsCommPtr oc)
 	    oci->bufptr = oci->buffer;
 	    oci->bufcnt = 0;
 	    oci->lenLastReq = 0;
+	    oci->ignoreBytes = 0;
 	}
     }
     if ((oco = oc->output))

nx-X11/programs/Xserver/os/log.c

@@ -179,48 +179,87 @@ static Bool needBuffer = TRUE;
 #endif
 
 /*
+ * LogFilePrep is called to setup files for logging, including getting
+ * an old file out of the way, but it doesn't actually open the file,
+ * since it may be used for renaming a file we're already logging to.
+ */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+
+static char *
+LogFilePrep(const char *fname, const char *backup, const char *idstring)
+{
+    char *logFileName = NULL;
+
+    if (asprintf(&logFileName, fname, idstring) == -1)
+	FatalError("Cannot allocate space for the log file name\n");
+
+    if (backup && *backup) {
+	struct stat buf;
+
+    if (!stat(logFileName, &buf) && S_ISREG(buf.st_mode)) {
+	    char *suffix;
+	    char *oldLog;
+
+	    if ((asprintf(&suffix, backup, idstring) == -1) ||
+		(asprintf(&oldLog, "%s%s", logFileName, suffix) == -1)) {
+		FatalError("Cannot allocate space for the log file name\n");
+	    }
+	    free(suffix);
+
+	    if (rename(logFileName, oldLog) == -1) {
+		FatalError("Cannot move old log file \"%s\" to \"%s\"\n",
+			   logFileName, oldLog);
+	    }
+	    free(oldLog);
+	}
+    }
+    else {
+	if (remove(logFileName) != 0) {
+	    FatalError("Cannot remove old log file \"%s\": %s\n",
+		       logFileName, strerror(errno));
+	}
+    }
+
+    return logFileName;
+}
+#pragma GCC diagnostic pop
+
+/*
  * LogInit is called to start logging to a file.  It is also called (with
  * NULL arguments) when logging to a file is not wanted.  It must always be
  * called, otherwise log messages will continue to accumulate in a buffer.
  *
  * %s, if present in the fname or backup strings, is expanded to the display
- * string.
+ * string (or to a string containing the pid if the display is not yet set).
  */
 
+static char *saved_log_fname;
+static char *saved_log_backup;
+static char *saved_log_tempname;
+
 const char *
 LogInit(const char *fname, const char *backup)
 {
     char *logFileName = NULL;
 
     if (fname && *fname) {
-	/* malloc() can't be used yet. */
-	logFileName = malloc(strlen(fname) + strlen(display) + 1);
-	if (!logFileName)
-	    FatalError("Cannot allocate space for the log file name\n");
-	sprintf(logFileName, fname, display);
-
-	if (backup && *backup) {
-	    struct stat buf;
-
-	    if (!stat(logFileName, &buf) && S_ISREG(buf.st_mode)) {
-		char *suffix;
-		char *oldLog;
-
-		oldLog = malloc(strlen(logFileName) + strlen(backup) +
-				strlen(display) + 1);
-		suffix = malloc(strlen(backup) + strlen(display) + 1);
-		if (!oldLog || !suffix)
-		    FatalError("Cannot allocate space for the log file name\n");
-		sprintf(suffix, backup, display);
-		sprintf(oldLog, "%s%s", logFileName, suffix);
-		free(suffix);
-		if (rename(logFileName, oldLog) == -1) {
-		    FatalError("Cannot move old log file (\"%s\" to \"%s\"\n",
-			       logFileName, oldLog);
-		}
-		free(oldLog);
-	    }
-	}
+	if (displayfd != -1) {
+	    /* Display isn't set yet, so we can't use it in filenames yet. */
+	    char pidstring[32];
+	    snprintf(pidstring, sizeof(pidstring), "pid-%ld",
+		     (unsigned long) getpid());
+	    logFileName = LogFilePrep(fname, backup, pidstring);
+	    saved_log_tempname = logFileName;
+
+	    /* Save the patterns for use when the display is named. */
+	    saved_log_fname = strdup(fname);
+	    if (backup == NULL)
+		saved_log_backup = NULL;
+	    else
+		saved_log_backup = strdup(backup);
+	} else
+	    logFileName = LogFilePrep(fname, backup, display);
 	if ((logFile = fopen(logFileName, "w")) == NULL)
 	    FatalError("Cannot open log file \"%s\"\n", logFileName);
 	setvbuf(logFile, NULL, _IONBF, 0);
@@ -250,6 +289,36 @@ LogInit(const char *fname, const char *backup)
 }
 
 void
+LogSetDisplay(void)
+{
+    if (saved_log_fname) {
+	char *logFileName;
+
+	logFileName = LogFilePrep(saved_log_fname, saved_log_backup, display);
+
+	if (rename(saved_log_tempname, logFileName) == 0) {
+	    LogMessageVerb(X_PROBED, 0,
+			   "Log file renamed from \"%s\" to \"%s\"\n",
+			   saved_log_tempname, logFileName);
+
+	    if (strlen(saved_log_tempname) >= strlen(logFileName))
+		strncpy(saved_log_tempname, logFileName,
+			strlen(saved_log_tempname));
+	}
+	else {
+	    ErrorF("Failed to rename log file \"%s\" to \"%s\": %s\n",
+		   saved_log_tempname, logFileName, strerror(errno));
+	}
+
+	/* free newly allocated string - can't free old one since existing
+	   pointers to it may exist in DDX callers. */
+	free(logFileName);
+	free(saved_log_fname);
+	free(saved_log_backup);
+    }
+}
+
+void
 LogClose()
 {
     if (logFile) {

nx-X11/programs/Xserver/os/osdep.h

@@ -52,7 +52,6 @@ SOFTWARE.
 #ifndef _OSDEP_H_
 #define _OSDEP_H_ 1
 
-#define BOTIMEOUT 200 /* in milliseconds */
 #define BUFSIZE 4096
 #define BUFWATERMARK 8192
 #ifndef MAXBUFSIZE
@@ -129,6 +128,7 @@ typedef struct _connectionInput {
     int  bufcnt;                /* count of bytes in buffer */
     int lenLastReq;
     int size;
+    unsigned int ignoreBytes;   /* bytes to ignore before the next request */
 } ConnectionInput, *ConnectionInputPtr;
 
 typedef struct _connectionOutput {
@@ -238,6 +238,9 @@ typedef long int fd_mask;
 #define ffs mffs
 extern int mffs(fd_mask);
 
+/* in access.c */
+extern Bool ComputeLocalClient(ClientPtr client);
+
 /* in auth.c */
 extern void GenerateRandomData (int len, char *buf);
 

nx-X11/programs/Xserver/os/osinit.c

@@ -217,9 +217,8 @@ OsInit(void)
      * log file name if logging to a file is desired.
      */
     LogInit(NULL, NULL);
-    if (!SmartScheduleDisable)
-	if (!SmartScheduleInit ())
-	    SmartScheduleDisable = TRUE;
+    SmartScheduleInit();
+
     OsInitAllocator();
 }
 

nx-X11/programs/Xserver/os/utils.c

@@ -290,7 +290,8 @@ OsSignal(sig, handler)
 	sigaddset(&act.sa_mask, sig);
     act.sa_flags = 0;
     act.sa_handler = handler;
-    sigaction(sig, &act, &oact);
+    if (sigaction(sig, &act, &oact))
+	perror("sigaction");
     return oact.sa_handler;
 #endif
 }
@@ -337,7 +338,7 @@ LockServer(void)
   int len;
   char port[20];
 
-  if (nolock) return;
+  if (nolock || NoListenAll) return;
   /*
    * Path names
    */
@@ -463,7 +464,7 @@ LockServer(void)
 void
 UnlockServer(void)
 {
-  if (nolock) return;
+  if (nolock || NoListenAll) return;
 
   if (!StillLocking){
 
@@ -621,7 +622,6 @@ void UseMsg(void)
     ErrorF("v                      video blanking for screen-saver\n");
     ErrorF("-v                     screen-saver without video blanking\n");
     ErrorF("-wm                    WhenMapped default backing-store\n");
-    ErrorF("-x string              loads named extension at init time \n");
     ErrorF("-maxbigreqsize         set maximal bigrequest size \n");
 #ifdef PANORAMIX
     ErrorF("+xinerama              Enable XINERAMA (PanoramiX) extension\n");
@@ -703,6 +703,7 @@ ProcessCommandLine(int argc, char *argv[])
 	{
 	    /* initialize display */
 	    display = argv[i];
+	    explicit_display = TRUE;
 	    display++;
             if( ! VerifyDisplayName( display ) ) {
                 ErrorF("Bad display name: %s\n", display);
@@ -779,6 +780,15 @@ ProcessCommandLine(int argc, char *argv[])
 	    else
 		UseMsg();
 	}
+	else if (strcmp(argv[i], "-displayfd") == 0) {
+	    if (++i < argc) {
+		displayfd = atoi(argv[i]);
+		nolock = TRUE;
+	    }
+	    else
+		UseMsg();
+	}
+
 #ifdef DPMSExtension
 	else if ( strcmp( argv[i], "dpms") == 0)
 	    DPMSEnabledSwitch = TRUE;
@@ -891,6 +901,11 @@ ProcessCommandLine(int argc, char *argv[])
 	else if ( strcmp( argv[i], "-nolisten") == 0)
 	{
             if(++i < argc) {
+#ifdef NXAGENT_SERVER
+		if (strcmp( argv[i], "ANY" ) == 0)
+		    NoListenAll = TRUE;
+		else
+#endif /* NXAGENT_SERVER */
 		if (_XSERVTransNoListen(argv[i])) 
 		    FatalError ("Failed to disable listen for %s transport",
 				argv[i]);
@@ -996,14 +1011,6 @@ ProcessCommandLine(int argc, char *argv[])
 	    noRRXineramaExtension = TRUE;
 	}
 #endif
-	else if ( strcmp( argv[i], "-x") == 0)
-	{
-	    if(++i >= argc)
-		UseMsg();
-	    /* For U**x, which doesn't support dynamic loading, there's nothing
-	     * to do when we see a -x.  Either the extension is linked in or
-	     * it isn't */
-	}
 	else if ( strcmp( argv[i], "-I") == 0)
 	{
 	    /* ignore all remaining arguments */
@@ -1026,10 +1033,12 @@ ProcessCommandLine(int argc, char *argv[])
 	    i = skip - 1;
 	}
 #endif
+#if HAVE_SETITIMER
 	else if ( strcmp( argv[i], "-dumbSched") == 0)
 	{
-	    SmartScheduleDisable = TRUE;
+	    SmartScheduleSignalEnable = FALSE;
 	}
+#endif
 	else if ( strcmp( argv[i], "-schedInterval") == 0)
 	{
 	    if (++i < argc)
@@ -1353,30 +1362,15 @@ XNFstrdup(const char *s)
     return ret;
 }
 
-unsigned long	SmartScheduleIdleCount;
-Bool		SmartScheduleIdle;
-Bool		SmartScheduleTimerStopped;
-
-#ifdef SIGVTALRM
-#define SMART_SCHEDULE_POSSIBLE
-#endif
-
-#ifdef SMART_SCHEDULE_POSSIBLE
-#define SMART_SCHEDULE_SIGNAL		SIGALRM
-#define SMART_SCHEDULE_TIMER		ITIMER_REAL
-#endif
-
-#ifdef NX_TRANS_SOCKET
 void
 SmartScheduleStopTimer (void)
-#else
-static void
-SmartScheduleStopTimer (void)
-#endif
 {
-#ifdef SMART_SCHEDULE_POSSIBLE
+#if HAVE_SETITIMER
     struct itimerval	timer;
 
+    if (!SmartScheduleSignalEnable)
+	return;
+
     #ifdef NX_TRANS_TEST
     fprintf(stderr, "SmartScheduleStopTimer: Stopping timer.\n");
     #endif
@@ -1386,96 +1380,101 @@ SmartScheduleStopTimer (void)
     timer.it_value.tv_sec = 0;
     timer.it_value.tv_usec = 0;
     (void) setitimer (ITIMER_REAL, &timer, 0);
-    SmartScheduleTimerStopped = TRUE;
 #endif
 }
 
-Bool
+void
 SmartScheduleStartTimer (void)
 {
-#ifdef SMART_SCHEDULE_POSSIBLE
+#if HAVE_SETITIMER
     struct itimerval	timer;
 
-    #ifdef NX_TRANS_SOCKET
-
-    if (SmartScheduleDisable)
-    {
-      return FALSE;
-    }
-
-    #endif
+    if (!SmartScheduleSignalEnable)
+      return;
 
     #ifdef NX_TRANS_TEST
     fprintf(stderr, "SmartScheduleStartTimer: Starting timer with [%ld] ms.\n",
                 SmartScheduleInterval);
     #endif
 
-    SmartScheduleTimerStopped = FALSE;
     timer.it_interval.tv_sec = 0;
     timer.it_interval.tv_usec = SmartScheduleInterval * 1000;
     timer.it_value.tv_sec = 0;
     timer.it_value.tv_usec = SmartScheduleInterval * 1000;
-    return setitimer (ITIMER_REAL, &timer, 0) >= 0;
+    setitimer (ITIMER_REAL, &timer, 0);
 #endif
-    return FALSE;
 }
 
-#ifdef SMART_SCHEDULE_POSSIBLE
+#if HAVE_SETITIMER
 static void
 SmartScheduleTimer (int sig)
 {
-    int olderrno = errno;
-
     SmartScheduleTime += SmartScheduleInterval;
 
     #ifdef NX_TRANS_TEST
     fprintf(stderr, "SmartScheduleTimer: Got timer with time [%ld] ms.\n",
                 SmartScheduleTime);
     #endif
-
-    if (SmartScheduleIdle)
-    {
-	SmartScheduleStopTimer ();
-    }
-    errno = olderrno;
 }
-#endif
 
-Bool
-SmartScheduleInit (void)
+int
+SmartScheduleEnable (void)
 {
-#ifdef SMART_SCHEDULE_POSSIBLE
+    int ret = 0;
     struct sigaction	act;
 
-    if (SmartScheduleDisable)
-	return TRUE;
-    
+    if (!SmartScheduleSignalEnable)
+	return 0;
+
     #ifdef NX_TRANS_TEST
-    fprintf(stderr, "SmartScheduleInit: Initializing the smart scheduler.\n");
+    fprintf(stderr, "SmartScheduleEnable: Enabling the smart scheduler.\n");
     #endif
 
-    bzero ((char *) &act, sizeof(struct sigaction));
+    memset((char *) &act, 0, sizeof(struct sigaction));
 
     /* Set up the timer signal function */
+    act.sa_flags = SA_RESTART;
     act.sa_handler = SmartScheduleTimer;
     sigemptyset (&act.sa_mask);
-    sigaddset (&act.sa_mask, SMART_SCHEDULE_SIGNAL);
-    if (sigaction (SMART_SCHEDULE_SIGNAL, &act, 0) < 0)
-    {
-	perror ("sigaction for smart scheduler");
-	return FALSE;
-    }
-    /* Set up the virtual timer */
-    if (!SmartScheduleStartTimer ())
-    {
-	perror ("scheduling timer");
-	return FALSE;
+    sigaddset (&act.sa_mask, SIGALRM);
+    ret = sigaction(SIGALRM, &act, 0);
+    return ret;
+}
+
+static int
+SmartSchedulePause(void)
+{
+    int ret = 0;
+    struct sigaction act;
+
+    if (!SmartScheduleSignalEnable)
+	return 0;
+
+    #ifdef NX_TRANS_TEST
+    fprintf(stderr, "SmartSchedulePause: Pausing the smart scheduler.\n");
+    #endif
+
+    memset((char *) &act, 0, sizeof(struct sigaction));
+
+    act.sa_handler = SIG_IGN;
+    sigemptyset(&act.sa_mask);
+    ret = sigaction(SIGALRM, &act, 0);
+    return ret;
+}
+#endif
+
+void
+SmartScheduleInit(void)
+{
+#if HAVE_SETITIMER
+    #ifdef NX_TRANS_TEST
+    fprintf(stderr, "SmartScheduleInit: Initializing the smart scheduler.\n");
+    #endif
+
+    if (SmartScheduleEnable() < 0) {
+	perror("sigaction for smart scheduler");
+	SmartScheduleSignalEnable = FALSE;
     }
-    /* stop the timer and wait for WaitForSomething to start it */
-    SmartScheduleStopTimer ();
-    return TRUE;
-#else
-    return FALSE;
 #endif
 }
 
@@ -1558,7 +1557,11 @@ System(char *command)
 	return(1);
 
 #ifdef SIGCHLD
-    csig = signal(SIGCHLD, SIG_DFL);
+    csig = OsSignal(SIGCHLD, SIG_DFL);
+    if (csig == SIG_ERR) {
+	perror("signal");
+	return -1;
+    }
 #endif
 
 #ifdef DEBUG
@@ -1596,7 +1599,10 @@ System(char *command)
 #endif
 
 #ifdef SIGCHLD
-    signal(SIGCHLD, csig);
+    if (OsSignal(SIGCHLD, csig) == SIG_ERR) {
+	perror("signal");
+	return -1;
+    }
 #endif
 
     return p == -1 ? -1 : status;
@@ -1629,6 +1635,17 @@ Popen(char *command, char *type)
 	return NULL;
     }
 
+    /* Ignore the smart scheduler while this is going on */
+#if HAVE_SETITIMER
+    if (SmartSchedulePause() < 0) {
+	close(pdes[0]);
+	close(pdes[1]);
+	free(cur);
+	perror("signal");
+	return NULL;
+    }
+#endif
+
 #ifdef NX_TRANS_EXIT
     if (OsVendorStartRedirectErrorFProc != NULL) {
         OsVendorStartRedirectErrorFProc();
@@ -1640,6 +1657,10 @@ Popen(char *command, char *type)
 	close(pdes[0]);
 	close(pdes[1]);
 	free(cur);
+#if HAVE_SETITIMER
+	if (SmartScheduleEnable() < 0)
+	    perror("signal");
+#endif
 #ifdef NX_TRANS_EXIT
 	if (OsVendorEndRedirectErrorFProc != NULL) {
 	    OsVendorEndRedirectErrorFProc();
@@ -1714,6 +1735,13 @@ Popen(char *command, char *type)
 	OsReleaseSignals ();
         #endif
 
+#if HAVE_SETITIMER
+	if (SmartScheduleEnable() < 0) {
+	    perror("signal");
+	    return NULL;
+	}
+#endif
+
 	execl("/bin/sh", "sh", "-c", command, (char *)NULL);
 	_exit(127);
     }

nx-X11/programs/Xserver/os/xdmcp.c

@@ -205,8 +205,6 @@ extern void XdmcpDeadSession(char * /*reason*/);
 
 static void timeout(void);
 
-static void restart(void);
-
 static void XdmcpBlockHandler(
     void * /*data*/,
     struct timeval ** /*wt*/,
@@ -959,14 +957,6 @@ timeout(void)
     send_packet();
 }
 
-static void
-restart(void)
-{
-    state = XDM_INIT_STATE;
-    timeOutRtx = 0;
-    send_packet();
-}
-
 int
 XdmcpCheckAuthentication (
     ARRAY8Ptr	Name,