drop .original files from the current code base

1 files changed, 0 insertions, 882 deletions

diff --git a/nx-X11/programs/Xserver/os/WaitFor.c.NX.original b/nx-X11/programs/Xserver/os/WaitFor.c.NX.original
deleted file mode 100644
index 2ef474229..000000000
--- a/nx-X11/programs/Xserver/os/WaitFor.c.NX.original
+++ /dev/null
@@ -1,882 +0,0 @@
-/* $XFree86: xc/programs/Xserver/os/WaitFor.c,v 3.42 2003/10/16 01:33:35 dawes Exp $ */
-/***********************************************************
-
-Copyright 1987, 1998  The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-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
-OPEN GROUP 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 Open Group 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 Open Group.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
-                        All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its 
-documentation for any purpose and without fee is hereby granted, 
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in 
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.  
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-******************************************************************/
-
-/* $Xorg: WaitFor.c,v 1.4 2001/02/09 02:05:22 xorgcvs Exp $ */
-
-/**************************************************************************/
-/*                                                                        */
-/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
-/*                                                                        */
-/* NX-X11, NX protocol compression and NX extensions to this software     */
-/* are copyright of NoMachine. Redistribution and use of the present      */
-/* software is allowed according to terms specified in the file LICENSE   */
-/* which comes in the source distribution.                                */
-/*                                                                        */
-/* Check http://www.nomachine.com/licensing.html for applicability.       */
-/*                                                                        */
-/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
-/*                                                                        */
-/* All rights reserved.                                                   */
-/*                                                                        */
-/**************************************************************************/
-
-/*****************************************************************
- * OS Dependent input routines:
- *
- *  WaitForSomething
- *  TimerForce, TimerSet, TimerCheck, TimerFree
- *
- *****************************************************************/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#ifdef WIN32
-#include <X11/Xwinsock.h>
-#endif
-#include <X11/Xos.h>			/* for strings, fcntl, time */
-#include <errno.h>
-#include <stdio.h>
-#include <X11/X.h>
-#include "misc.h"
-
-#ifdef __UNIXOS2__
-#define select(n,r,w,x,t) os2PseudoSelect(n,r,w,x,t)
-#endif
-#include "osdep.h"
-#include <X11/Xpoll.h>
-#include "dixstruct.h"
-#include "opaque.h"
-#ifdef DPMSExtension
-#include "dpmsproc.h"
-#endif
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_WAKEUP)
-
-static unsigned long startTimeInMillis;
-
-#endif
-
-#ifdef WIN32
-/* Error codes from windows sockets differ from fileio error codes  */
-#undef EINTR
-#define EINTR WSAEINTR
-#undef EINVAL
-#define EINVAL WSAEINVAL
-#undef EBADF
-#define EBADF WSAENOTSOCK
-/* Windows select does not set errno. Use GetErrno as wrapper for 
-   WSAGetLastError */
-#define GetErrno WSAGetLastError
-#else
-/* This is just a fallback to errno to hide the differences between unix and
-   Windows in the code */
-#define GetErrno() errno
-#endif
-
-/* modifications by raphael */
-int
-mffs(fd_mask mask)
-{
-    int i;
-
-    if (!mask) return 0;
-    i = 1;
-    while (!(mask & 1))
-    {
-	i++;
-	mask >>= 1;
-    }
-    return i;
-}
-
-#ifdef DPMSExtension
-#define DPMS_SERVER
-#include <X11/extensions/dpms.h>
-#endif
-
-#ifdef XTESTEXT1
-/*
- * defined in xtestext1dd.c
- */
-extern int playback_on;
-#endif /* XTESTEXT1 */
-
-struct _OsTimerRec {
-    OsTimerPtr		next;
-    CARD32		expires;
-    OsTimerCallback	callback;
-    pointer		arg;
-};
-
-static void DoTimer(OsTimerPtr timer, CARD32 now, OsTimerPtr *prev);
-static OsTimerPtr timers = NULL;
-
-/*****************
- * WaitForSomething:
- *     Make the server suspend until there is
- *	1. data from clients or
- *	2. input events available or
- *	3. ddx notices something of interest (graphics
- *	   queue ready, etc.) or
- *	4. clients that have buffered replies/events are ready
- *
- *     If the time between INPUT events is
- *     greater than ScreenSaverTime, the display is turned off (or
- *     saved, depending on the hardware).  So, WaitForSomething()
- *     has to handle this also (that's why the select() has a timeout.
- *     For more info on ClientsWithInput, see ReadRequestFromClient().
- *     pClientsReady is an array to store ready client->index values into.
- *****************/
-
-int
-WaitForSomething(int *pClientsReady)
-{
-    int i;
-    struct timeval waittime, *wt;
-    INT32 timeout = 0;
-    fd_set clientsReadable;
-    fd_set clientsWritable;
-    int curclient;
-    int selecterr;
-    int nready;
-    fd_set devicesReadable;
-    CARD32 now = 0;
-#ifdef SMART_SCHEDULE
-    Bool    someReady = FALSE;
-#endif
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
-    fprintf(stderr, "WaitForSomething: Got called.\n");
-#endif
-
-    FD_ZERO(&clientsReadable);
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_WAKEUP)
-
-    startTimeInMillis = GetTimeInMillis();
-
-#endif
-
-    /* We need a while loop here to handle 
-       crashed connections and the screen saver timeout */
-    while (1)
-    {
-	/* deal with any blocked jobs */
-	if (workQueue)
-	    ProcessWorkQueue();
-	if (XFD_ANYSET (&ClientsWithInput))
-	{
-#ifdef SMART_SCHEDULE
-	    if (!SmartScheduleDisable)
-	    {
-		someReady = TRUE;
-		waittime.tv_sec = 0;
-		waittime.tv_usec = 0;
-		wt = &waittime;
-	    }
-	    else
-#endif
-	    {
-		XFD_COPYSET (&ClientsWithInput, &clientsReadable);
-		break;
-	    }
-	}
-#ifdef SMART_SCHEDULE
-	if (someReady)
-	{
-	    XFD_COPYSET(&AllSockets, &LastSelectMask);
-	    XFD_UNSET(&LastSelectMask, &ClientsWithInput);
-	}
-	else
-	{
-#endif
-        wt = NULL;
-	if (timers)
-        {
-            now = GetTimeInMillis();
-	    timeout = timers->expires - now;
-            if (timeout < 0)
-                timeout = 0;
-	    waittime.tv_sec = timeout / MILLI_PER_SECOND;
-	    waittime.tv_usec = (timeout % MILLI_PER_SECOND) *
-		               (1000000 / MILLI_PER_SECOND);
-	    wt = &waittime;
-	}
-	XFD_COPYSET(&AllSockets, &LastSelectMask);
-#ifdef SMART_SCHEDULE
-	}
-	SmartScheduleIdle = TRUE;
-#endif
-	BlockHandler((pointer)&wt, (pointer)&LastSelectMask);
-	if (NewOutputPending)
-	    FlushAllOutput();
-#ifdef XTESTEXT1
-	/* XXX how does this interact with new write block handling? */
-	if (playback_on) {
-	    wt = &waittime;
-	    XTestComputeWaitTime (&waittime);
-	}
-#endif /* XTESTEXT1 */
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_WAKEUP)
-
-        /*
-         * If caller has marked the first element of pClientsReady[],
-         * bail out of select after a short timeout. We need this to
-         * let the NX agent remove the splash screen when the timeout
-         * is expired. A better option would be to use the existing
-         * screen-saver timeout but it can be modified by clients, so
-         * we would need a special handling. This hack is trivial and
-         * keeps WaitForSomething() backward compatible with the exis-
-         * ting servers.
-         */
-
-        if (pClientsReady[0] == -1)
-        {
-            unsigned long timeoutInMillis;
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_WAKEUP) && defined(NX_TRANS_DEBUG)
-            fprintf(stderr, "WaitForSomething: pClientsReady[0] is [%d], pClientsReady[1] is [%d].\n",
-                        pClientsReady[0], pClientsReady[1]);
-#endif
-
-            timeoutInMillis = GetTimeInMillis();
-
-            if (timeoutInMillis - startTimeInMillis >= NX_TRANS_WAKEUP)
-            {
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_WAKEUP) && defined(NX_TRANS_DEBUG)
-                fprintf(stderr, "WaitForSomething: Returning 0 because of wakeup timeout.\n");
-#endif
-                return 0;
-            }
-
-            timeoutInMillis = NX_TRANS_WAKEUP - (timeoutInMillis - startTimeInMillis);
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_WAKEUP) && defined(NX_TRANS_DEBUG)
-            fprintf(stderr, "WaitForSomething: Milliseconds to next wakeup are %ld.\n",
-                        timeoutInMillis);
-#endif
-            if (wt == NULL || (wt -> tv_sec * MILLI_PER_SECOND +
-                    wt -> tv_usec / MILLI_PER_SECOND) > timeoutInMillis)
-            {
-                if ((waittime.tv_sec * MILLI_PER_SECOND +
-                        waittime.tv_usec / MILLI_PER_SECOND) > timeoutInMillis)
-                {
-                    waittime.tv_sec = timeoutInMillis / MILLI_PER_SECOND;
-                    waittime.tv_usec = (timeoutInMillis * MILLI_PER_SECOND) %
-                                            (MILLI_PER_SECOND * 1000);
-                    wt = &waittime;
-                }
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_WAKEUP) && defined(NX_TRANS_DEBUG)
-                fprintf(stderr, "WaitForSomething: Next wakeup timeout set to %ld milliseconds.\n",
-                            (waittime.tv_sec * MILLI_PER_SECOND) +
-                                (waittime.tv_usec / MILLI_PER_SECOND));
-#endif
-            }
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_WAKEUP) && defined(NX_TRANS_DEBUG)
-            else
-            {
-                fprintf(stderr, "WaitForSomething: Using existing timeout of %ld milliseconds.\n",
-                            (waittime.tv_sec * MILLI_PER_SECOND) +
-                                (waittime.tv_usec / MILLI_PER_SECOND));
-            }
-#endif
-        }
-#endif
-
-	/* keep this check close to select() call to minimize race */
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
-	if (dispatchException)
-	{
-	    i = -1;
-
-            fprintf(stderr, "WaitForSomething: Value of dispatchException is true. Set i = -1.\n");
-	}
-#else
-        if (dispatchException)
-            i = -1;
-#endif
-	else if (AnyClientsWriteBlocked)
-	{
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
-            if (wt == NULL)
-            {
-                fprintf(stderr, "WaitForSomething: Executing select with LastSelectMask and "
-                            "clientsWritable and null timeout.\n");
-            }
-            else
-            {
-                fprintf(stderr, "WaitForSomething: Executing select with LastSelectMask, "
-                            "clientsWritable, %ld secs and %ld usecs.\n",
-                                wt -> tv_sec, wt -> tv_usec);
-            }
-#endif
-	    XFD_COPYSET(&ClientsWriteBlocked, &clientsWritable);
-	    i = Select (MaxClients, &LastSelectMask, &clientsWritable, NULL, wt);
-	}
-	else 
-	{
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
-            if (wt == NULL)
-            {
-                fprintf(stderr, "WaitForSomething: Executing select with LastSelectMask and null timeout.\n");
-            }
-            else
-            {
-                fprintf(stderr, "WaitForSomething: Executing select with LastSelectMask, %ld secs and %ld usecs.\n",
-                            wt -> tv_sec, wt -> tv_usec);
-            }
-#endif
-	    i = Select (MaxClients, &LastSelectMask, NULL, NULL, wt);
-	}
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
-        fprintf(stderr, "WaitForSomething: Bailed out with i = [%d] and errno = [%d].\n", i, errno);
-
-        if (i < 0)
-        {
-            fprintf(stderr, "WaitForSomething: Error is [%s].\n", strerror(errno));
-        }
-#endif
-	selecterr = GetErrno();
-	WakeupHandler(i, (pointer)&LastSelectMask);
-#ifdef XTESTEXT1
-	if (playback_on) {
-	    i = XTestProcessInputAction (i, &waittime);
-	}
-#endif /* XTESTEXT1 */
-#ifdef SMART_SCHEDULE
-	if (i >= 0)
-	{
-	    SmartScheduleIdle = FALSE;
-	    SmartScheduleIdleCount = 0;
-	    if (SmartScheduleTimerStopped)
-		(void) SmartScheduleStartTimer ();
-	}
-#endif
-	if (i <= 0) /* An error or timeout occurred */
-	{
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
-            if (dispatchException)
-            {
-                fprintf(stderr, "WaitForSomething: Returning 0 because of (dispatchException).\n");
-                return 0;
-            }
-#else
-            if (dispatchException)
-                return 0;
-#endif
-	    if (i < 0) 
-	    {
-		if (selecterr == EBADF)    /* Some client disconnected */
-		{
-		    CheckConnections ();
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
-                    if (! XFD_ANYSET (&AllClients))
-                    {
-                        fprintf(stderr, "WaitForSomething: Returning 0 because of (! XFD_ANYSET (&AllClients)).\n");
-                        return 0;
-                    }
-#else
-                    if (! XFD_ANYSET (&AllClients))
-                        return 0;
-#endif
-		}
-		else if (selecterr == EINVAL)
-		{
-		    FatalError("WaitForSomething(): select: errno=%d\n",
-			selecterr);
-            }
-		else if (selecterr != EINTR)
-		{
-		    ErrorF("WaitForSomething(): select: errno=%d\n",
-			selecterr);
-		}
-	    }
-#ifdef SMART_SCHEDULE
-	    else if (someReady)
-	    {
-		/*
-		 * If no-one else is home, bail quickly
-		 */
-		XFD_COPYSET(&ClientsWithInput, &LastSelectMask);
-		XFD_COPYSET(&ClientsWithInput, &clientsReadable);
-		break;
-	    }
-#endif
-#if defined(NX_TRANS_SOCKET)
-            if (*checkForInput[0] != *checkForInput[1])
-            {
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
-                fprintf(stderr, "WaitForSomething: Returning 0 because of (*checkForInput[0] != *checkForInput[1]).\n");
-#endif
-		return 0;
-            }
-#else
-	    if (*checkForInput[0] != *checkForInput[1])
-		return 0;
-#endif
-
-	    if (timers)
-	    {
-                int expired = 0;
-		now = GetTimeInMillis();
-		if ((int) (timers->expires - now) <= 0)
-		    expired = 1;
-
-		while (timers && (int) (timers->expires - now) <= 0)
-		    DoTimer(timers, now, &timers);
-
-                if (expired)
-                    return 0;
-	    }
-	}
-	else
-	{
-	    fd_set tmp_set;
-
-	    if (*checkForInput[0] == *checkForInput[1]) {
-	        if (timers)
-	        {
-                    int expired = 0;
-		    now = GetTimeInMillis();
-		    if ((int) (timers->expires - now) <= 0)
-		        expired = 1;
-
-		    while (timers && (int) (timers->expires - now) <= 0)
-		        DoTimer(timers, now, &timers);
-
-                    if (expired)
-                        return 0;
-	        }
-	    }
-#ifdef SMART_SCHEDULE
-	    if (someReady)
-		XFD_ORSET(&LastSelectMask, &ClientsWithInput, &LastSelectMask);
-#endif	    
-	    if (AnyClientsWriteBlocked && XFD_ANYSET (&clientsWritable))
-	    {
-		NewOutputPending = TRUE;
-		XFD_ORSET(&OutputPending, &clientsWritable, &OutputPending);
-		XFD_UNSET(&ClientsWriteBlocked, &clientsWritable);
-		if (! XFD_ANYSET(&ClientsWriteBlocked))
-		    AnyClientsWriteBlocked = FALSE;
-	    }
-
-	    XFD_ANDSET(&devicesReadable, &LastSelectMask, &EnabledDevices);
-	    XFD_ANDSET(&clientsReadable, &LastSelectMask, &AllClients); 
-	    XFD_ANDSET(&tmp_set, &LastSelectMask, &WellKnownConnections);
-	    if (XFD_ANYSET(&tmp_set))
-		QueueWorkProc(EstablishNewConnections, NULL,
-			      (pointer)&LastSelectMask);
-#ifdef DPMSExtension
-	    if (XFD_ANYSET (&devicesReadable) && (DPMSPowerLevel != DPMSModeOn))
-		DPMSSet(DPMSModeOn);
-#endif
-	    if (XFD_ANYSET (&devicesReadable) || XFD_ANYSET (&clientsReadable))
-		break;
-#ifdef WIN32
-	    /* Windows keyboard and mouse events are added to the input queue
-	       in Block- and WakupHandlers. There is no device to check if  
-	       data is ready. So check here if new input is available */
-#if defined(NX_TRANS_SOCKET)
-            if (*checkForInput[0] != *checkForInput[1])
-            {
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
-                fprintf(stderr, "WaitForSomething: Returning 0 because of (*checkForInput[0] != *checkForInput[1]).\n");
-#endif
-		return 0;
-            }
-#else
-	    if (*checkForInput[0] != *checkForInput[1])
-		return 0;
-#endif
-#endif
-	}
-    }
-
-    nready = 0;
-    if (XFD_ANYSET (&clientsReadable))
-    {
-#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;
-
-		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++)
-	{
-	    int client_priority, client_index;
-
-	    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;
-		}
-#ifndef WIN32
-		clientsReadable.fds_bits[i] &= ~(((fd_mask)1L) << curclient);
-	    }
-#else
-	    FD_CLR(curclient, &clientsReadable);
-#endif
-	}
-    }
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
-    fprintf(stderr, "WaitForSomething: Returning nready.\n");
-#endif
-    return nready;
-}
-
-#if 0
-/*
- * This is not always a macro.
- */
-ANYSET(FdMask *src)
-{
-    int i;
-
-    for (i=0; i<mskcnt; i++)
-	if (src[ i ])
-	    return (TRUE);
-    return (FALSE);
-}
-#endif
-
-
-static void
-DoTimer(OsTimerPtr timer, CARD32 now, OsTimerPtr *prev)
-{
-    CARD32 newTime;
-
-    *prev = timer->next;
-    timer->next = NULL;
-    newTime = (*timer->callback)(timer, now, timer->arg);
-    if (newTime)
-	TimerSet(timer, 0, newTime, timer->callback, timer->arg);
-}
-
-OsTimerPtr
-TimerSet(OsTimerPtr timer, int flags, CARD32 millis, 
-    OsTimerCallback func, pointer arg)
-{
-    register OsTimerPtr *prev;
-    CARD32 now = GetTimeInMillis();
-
-    if (!timer)
-    {
-	timer = (OsTimerPtr)xalloc(sizeof(struct _OsTimerRec));
-	if (!timer)
-	    return NULL;
-    }
-    else
-    {
-	for (prev = &timers; *prev; prev = &(*prev)->next)
-	{
-	    if (*prev == timer)
-	    {
-		*prev = timer->next;
-		if (flags & TimerForceOld)
-		    (void)(*timer->callback)(timer, now, timer->arg);
-		break;
-	    }
-	}
-    }
-    if (!millis)
-	return timer;
-    if (!(flags & TimerAbsolute))
-	millis += now;
-    timer->expires = millis;
-    timer->callback = func;
-    timer->arg = arg;
-    if ((int) (millis - now) <= 0)
-    {
-	timer->next = NULL;
-	millis = (*timer->callback)(timer, now, timer->arg);
-	if (!millis)
-	    return timer;
-    }
-    for (prev = &timers;
-	 *prev && (int) ((*prev)->expires - millis) <= 0;
-	 prev = &(*prev)->next)
-	;
-    timer->next = *prev;
-    *prev = timer;
-    return timer;
-}
-
-Bool
-TimerForce(OsTimerPtr timer)
-{
-    OsTimerPtr *prev;
-
-    for (prev = &timers; *prev; prev = &(*prev)->next)
-    {
-	if (*prev == timer)
-	{
-	    DoTimer(timer, GetTimeInMillis(), prev);
-	    return TRUE;
-	}
-    }
-    return FALSE;
-}
-
-
-void
-TimerCancel(OsTimerPtr timer)
-{
-    OsTimerPtr *prev;
-
-    if (!timer)
-	return;
-    for (prev = &timers; *prev; prev = &(*prev)->next)
-    {
-	if (*prev == timer)
-	{
-	    *prev = timer->next;
-	    break;
-	}
-    }
-}
-
-void
-TimerFree(OsTimerPtr timer)
-{
-    if (!timer)
-	return;
-    TimerCancel(timer);
-    xfree(timer);
-}
-
-void
-TimerCheck(void)
-{
-    CARD32 now = GetTimeInMillis();
-
-    while (timers && (int) (timers->expires - now) <= 0)
-	DoTimer(timers, now, &timers);
-}
-
-void
-TimerInit(void)
-{
-    OsTimerPtr timer;
-
-    while ((timer = timers))
-    {
-	timers = timer->next;
-	xfree(timer);
-    }
-}
-
-static CARD32
-ScreenSaverTimeoutExpire(OsTimerPtr timer,CARD32 now,pointer arg)
-{
-    INT32 timeout = now - lastDeviceEventTime.milliseconds;
-
-    if (timeout < ScreenSaverTime) {
-        return ScreenSaverTime - timeout;
-    }
-
-    ResetOsBuffers(); /* not ideal, but better than nothing */
-    SaveScreens(SCREEN_SAVER_ON, ScreenSaverActive);
-
-#ifdef DPMSExtension
-    if (ScreenSaverInterval > 0 && DPMSPowerLevel == DPMSModeOn)
-#else
-    if (ScreenSaverInterval > 0)
-#endif /* DPMSExtension */
-        return ScreenSaverInterval;
-
-    return 0;
-}
-
-static OsTimerPtr ScreenSaverTimer = NULL;
-
-void
-FreeScreenSaverTimer(void)
-{
-    if (ScreenSaverTimer) {
-	TimerFree(ScreenSaverTimer);
-	ScreenSaverTimer = NULL;
-    }
-}
-
-void
-SetScreenSaverTimer(void)
-{
-    if (ScreenSaverTime > 0) {
-       ScreenSaverTimer = TimerSet(ScreenSaverTimer, 0, ScreenSaverTime,
-                                   ScreenSaverTimeoutExpire, NULL);
-    } else if (ScreenSaverTimer) {
-       FreeScreenSaverTimer();
-    }
-}
-
-#ifdef DPMSExtension
-
-static OsTimerPtr DPMSStandbyTimer = NULL;
-static OsTimerPtr DPMSSuspendTimer = NULL;
-static OsTimerPtr DPMSOffTimer = NULL;
-
-static CARD32
-DPMSStandbyTimerExpire(OsTimerPtr timer,CARD32 now,pointer arg)
-{
-    INT32 timeout = now - lastDeviceEventTime.milliseconds;
-
-    if (timeout < DPMSStandbyTime) {
-        return DPMSStandbyTime - timeout;
-    }
-    if (DPMSPowerLevel < DPMSModeStandby) {
-	if (DPMSEnabled)
-	    DPMSSet(DPMSModeStandby);
-    }
-    return DPMSStandbyTime;
-}
-
-static CARD32
-DPMSSuspendTimerExpire(OsTimerPtr timer,CARD32 now,pointer arg)
-{
-    INT32 timeout = now - lastDeviceEventTime.milliseconds;
-
-    if (timeout < DPMSSuspendTime) {
-        return DPMSSuspendTime - timeout;
-    }
-    if (DPMSPowerLevel < DPMSModeSuspend) {
-	if (DPMSEnabled)
-	    DPMSSet(DPMSModeSuspend);
-    }
-    return DPMSSuspendTime;
-}
-
-static CARD32
-DPMSOffTimerExpire(OsTimerPtr timer,CARD32 now,pointer arg)
-{
-    INT32 timeout = now - lastDeviceEventTime.milliseconds;
-
-    if (timeout < DPMSOffTime) {
-        return DPMSOffTime - timeout;
-    }
-    if (DPMSPowerLevel < DPMSModeOff) {
-	if (DPMSEnabled)
-	    DPMSSet(DPMSModeOff);
-    }
-    return DPMSOffTime;
-}
-
-void
-FreeDPMSTimers(void)
-{
-    if (DPMSStandbyTimer) {
-	TimerFree(DPMSStandbyTimer);
-	DPMSStandbyTimer = NULL;
-    }
-    if (DPMSSuspendTimer) {
-	TimerFree(DPMSSuspendTimer);
-	DPMSSuspendTimer = NULL;
-    }
-    if (DPMSOffTimer) {
-	TimerFree(DPMSOffTimer);
-	DPMSOffTimer = NULL;
-    }
-}
-
-void
-SetDPMSTimers(void)
-{
-    if (!DPMSEnabled)
-        return;
-
-    DPMSStandbyTimer = TimerSet(DPMSStandbyTimer, 0, DPMSStandbyTime,
-				DPMSStandbyTimerExpire, NULL);
-    DPMSSuspendTimer = TimerSet(DPMSSuspendTimer, 0, DPMSSuspendTime,
-				DPMSSuspendTimerExpire, NULL);
-    DPMSOffTimer = TimerSet(DPMSOffTimer, 0, DPMSOffTime,
-			    DPMSOffTimerExpire, NULL);
-}
-#endif