Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 1865 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/hw/xfree86/common/xf86Events.c b/nx-X11/programs/Xserver/hw/xfree86/common/xf86Events.c
new file mode 100644
index 000000000..c1b478ee2
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/xfree86/common/xf86Events.c
@@ -0,0 +1,1865 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86Events.c,v 3.159 2003/11/22 04:22:11 dawes Exp $ */
+/*
+ * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
+ *
+ * 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, and that the name of Thomas Roell not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Thomas Roell makes no representations
+ * about the suitability of this software for any purpose.  It is provided
+ * "as is" without express or implied warranty.
+ *
+ * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THOMAS ROELL 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.
+ *
+ */
+/*
+ * Copyright (c) 1994-2003 by The XFree86 Project, Inc.
+ *
+ * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ */
+
+/* $XConsortium: xf86Events.c /main/46 1996/10/25 11:36:30 kaleb $ */
+/* $XdotOrg: xc/programs/Xserver/hw/xfree86/common/xf86Events.c,v 1.21 2005/11/08 06:33:28 jkj Exp $ */
+
+/* [JCH-96/01/21] Extended std reverse map to four buttons. */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#ifdef __UNIXOS2__
+#define I_NEED_OS2_H
+#endif
+
+#include <X11/X.h>
+#include <X11/Xpoll.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+
+#include "compiler.h"
+
+#include "xf86.h"
+#include "xf86Priv.h"
+#define XF86_OS_PRIVS
+#include "xf86_OSlib.h"
+#include "atKeynames.h"
+
+
+#ifdef XFreeXDGA
+#include "dgaproc.h"
+#endif
+
+#ifdef XINPUT
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#else
+#include "inputstr.h"
+#endif
+#include "xf86Xinput.h"
+
+#include "mi.h"
+#include "mipointer.h"
+
+#ifdef XF86BIGFONT
+#define _XF86BIGFONT_SERVER_
+#include <X11/extensions/xf86bigfont.h>
+#endif
+
+#ifdef XKB
+extern Bool noXkbExtension;
+#endif
+
+#ifdef DPMSExtension
+#define DPMS_SERVER
+#include <X11/extensions/dpms.h>
+#include "dpmsproc.h"
+#endif
+
+#define XE_POINTER  1
+#define XE_KEYBOARD 2
+
+#ifdef XINPUT
+#define __EqEnqueue(ev) xf86eqEnqueue(ev)
+#else
+#define __EqEnqueue(ev) mieqEnqueue(ev)
+#endif
+
+#define EqEnqueue(ev) { \
+    int __sigstate = xf86BlockSIGIO (); \
+    __EqEnqueue (ev); \
+    xf86UnblockSIGIO(__sigstate); \
+}
+
+#ifdef XTESTEXT1
+
+#define	XTestSERVER_SIDE
+#include <X11/extensions/xtestext1.h>
+extern short xtest_mousex;
+extern short xtest_mousey;
+extern int   on_steal_input;          
+extern Bool  XTestStealKeyData();
+extern void  XTestStealMotionData();
+#define ENQUEUE(ev, code, direction, dev_type) \
+  (ev)->u.u.detail = (code); \
+  (ev)->u.u.type   = (direction); \
+  if (!on_steal_input ||  \
+      XTestStealKeyData((ev)->u.u.detail, (ev)->u.u.type, dev_type, \
+			xtest_mousex, xtest_mousey)) \
+  EqEnqueue((ev))
+#else /* ! XTESTEXT1 */
+
+#define ENQUEUE(ev, code, direction, dev_type) \
+  (ev)->u.u.detail = (code); \
+  (ev)->u.u.type   = (direction); \
+  EqEnqueue((ev))
+
+#endif
+
+/*
+ * The first of many hacks to get VT switching to work under
+ * Solaris 2.1 for x86. The basic problem is that Solaris is supposed
+ * to be SVR4. It is for the most part, except where the video interface
+ * is concerned.  These hacks work around those problems.
+ * See the comments for Linux, and SCO.
+ *
+ * This is a toggling variable:
+ *  FALSE = No VT switching keys have been pressed last time around
+ *  TRUE  = Possible VT switch Pending
+ * (DWH - 12/2/93)
+ *
+ * This has been generalised to work with Linux and *BSD+syscons (DHD)
+ */
+
+#ifdef USE_VT_SYSREQ
+Bool VTSysreqToggle = FALSE;
+#endif /* !USE_VT_SYSREQ */
+Bool VTSwitchEnabled = TRUE;		/* Allows run-time disabling for
+                                         *BSD and for avoiding VT
+                                         switches when using the DRI
+                                         automatic full screen mode.*/
+
+extern fd_set EnabledDevices;
+
+#if defined(XQUEUE)
+extern void xf86XqueRequest(void);
+#endif
+#ifdef XF86PM
+extern void (*xf86OSPMClose)(void);
+#endif
+
+static void xf86VTSwitch(void);
+
+/*
+ * Allow arbitrary drivers or other XFree86 code to register with our main
+ * Wakeup handler.
+ */
+typedef struct x_IHRec {
+    int			fd;
+    InputHandlerProc	ihproc;
+    pointer		data;
+    Bool		enabled;
+    struct x_IHRec *	next;
+} IHRec, *IHPtr;
+
+static IHPtr InputHandlers = NULL;
+
+
+/*
+ * TimeSinceLastInputEvent --
+ *      Function used for screensaver purposes by the os module. Returns the
+ *      time in milliseconds since there last was any input.
+ */
+
+int
+TimeSinceLastInputEvent()
+{
+  if (xf86Info.lastEventTime == 0) {
+    xf86Info.lastEventTime = GetTimeInMillis();
+  }
+  return GetTimeInMillis() - xf86Info.lastEventTime;
+}
+
+
+
+/*
+ * SetTimeSinceLastInputEvent --
+ *      Set the lastEventTime to now.
+ */
+
+void
+SetTimeSinceLastInputEvent()
+{
+  xf86Info.lastEventTime = GetTimeInMillis();
+}
+
+
+
+/*
+ * ProcessInputEvents --
+ *      Retrieve all waiting input events and pass them to DIX in their
+ *      correct chronological order. Only reads from the system pointer
+ *      and keyboard.
+ */
+
+void
+ProcessInputEvents ()
+{
+  int x, y;
+#ifdef INHERIT_LOCK_STATE
+  static int generation = 0;
+#endif
+
+    /*
+     * With INHERIT_LOCK_STATE defined, the initial state of CapsLock, NumLock
+     * and ScrollLock will be set to match that of the VT the server is
+     * running on.
+     */
+#ifdef INHERIT_LOCK_STATE
+    if (generation != serverGeneration) {
+      xEvent kevent;
+      DevicePtr pKeyboard = xf86Info.pKeyboard;
+      extern unsigned int xf86InitialCaps, xf86InitialNum, xf86InitialScroll;
+
+      generation = serverGeneration;
+      kevent.u.keyButtonPointer.time = GetTimeInMillis();
+      kevent.u.keyButtonPointer.rootX = 0;
+      kevent.u.keyButtonPointer.rootY = 0;
+      kevent.u.u.type = KeyPress;
+
+
+      if (xf86InitialCaps) {
+        kevent.u.u.detail = xf86InitialCaps;
+        (* pKeyboard->processInputProc)(&kevent, (DeviceIntPtr)pKeyboard, 1);
+        xf86InitialCaps = 0;
+      }
+      if (xf86InitialNum) {
+        kevent.u.u.detail = xf86InitialNum;
+        (* pKeyboard->processInputProc)(&kevent, (DeviceIntPtr)pKeyboard, 1);
+        xf86InitialNum = 0;
+      }
+      if (xf86InitialScroll) {
+        kevent.u.u.detail = xf86InitialScroll;
+        (* pKeyboard->processInputProc)(&kevent, (DeviceIntPtr)pKeyboard, 1);
+        xf86InitialScroll = 0;
+      }
+    }
+#endif
+
+  xf86Info.inputPending = FALSE;
+
+#ifdef XINPUT
+  xf86eqProcessInputEvents();
+#else
+  mieqProcessInputEvents();
+#endif
+  miPointerUpdate();
+
+  miPointerPosition(&x, &y);
+  xf86SetViewport(xf86Info.currentScreen, x, y);
+}
+
+void
+xf86GrabServerCallback(CallbackListPtr *callbacks, pointer data, pointer args)
+{
+    ServerGrabInfoRec *grab = (ServerGrabInfoRec*)args;
+
+    xf86Info.grabInfo.server.client = grab->client;
+    xf86Info.grabInfo.server.grabstate = grab->grabstate;
+}
+
+/*
+ * Handle keyboard events that cause some kind of "action"
+ * (i.e., server termination, video mode changes, VT switches, etc.)
+ */
+void
+xf86ProcessActionEvent(ActionEvent action, void *arg)
+{
+#ifdef DEBUG
+    ErrorF("ProcessActionEvent(%d,%x)\n", (int) action, arg);
+#endif
+    switch (action) {
+    case ACTION_TERMINATE:
+	if (!xf86Info.dontZap) {
+#ifdef XFreeXDGA
+	    DGAShutdown();
+#endif
+	    GiveUp(0);
+	}
+	break;
+    case ACTION_NEXT_MODE:
+	if (!xf86Info.dontZoom)
+	    xf86ZoomViewport(xf86Info.currentScreen,  1);
+	break;
+    case ACTION_PREV_MODE:
+	if (!xf86Info.dontZoom)
+	    xf86ZoomViewport(xf86Info.currentScreen, -1);
+	break;
+    case ACTION_DISABLEGRAB:
+	if (!xf86Info.grabInfo.disabled && xf86Info.grabInfo.allowDeactivate) {
+	  if (inputInfo.pointer && inputInfo.pointer->grab != NULL &&
+	      inputInfo.pointer->DeactivateGrab)
+	    inputInfo.pointer->DeactivateGrab(inputInfo.pointer);
+	  if (inputInfo.keyboard && inputInfo.keyboard->grab != NULL &&
+	      inputInfo.keyboard->DeactivateGrab)
+	    inputInfo.keyboard->DeactivateGrab(inputInfo.keyboard);
+	}
+	break;
+    case ACTION_CLOSECLIENT:
+	if (!xf86Info.grabInfo.disabled && xf86Info.grabInfo.allowClosedown) {
+	  ClientPtr pointer, keyboard, server;
+
+	  pointer = keyboard = server = NULL;
+	  if (inputInfo.pointer && inputInfo.pointer->grab != NULL)
+	    pointer = clients[CLIENT_ID(inputInfo.pointer->grab->resource)];
+	  if (inputInfo.keyboard && inputInfo.keyboard->grab != NULL) {
+	    keyboard = clients[CLIENT_ID(inputInfo.keyboard->grab->resource)];
+	    if (keyboard == pointer)
+	      keyboard = NULL;
+	  }
+	  if ((xf86Info.grabInfo.server.grabstate == SERVER_GRABBED) &&
+	      (((server = xf86Info.grabInfo.server.client) == pointer) ||
+	       (server == keyboard)))
+	      server = NULL;
+
+	  if (pointer)
+	    CloseDownClient(pointer);
+	  if (keyboard)
+	    CloseDownClient(keyboard);
+	  if (server)
+	    CloseDownClient(server);
+	}
+	break;
+#if !defined(__SOL8__) && !defined(__UNIXOS2__) && !defined(sgi) && \
+    (!defined(sun) || defined(i386)) && defined(VT_ACTIVATE)
+    case ACTION_SWITCHSCREEN:
+	if (VTSwitchEnabled && !xf86Info.dontVTSwitch && arg) {
+	    int vtno = *((int *) arg);
+#if defined(__SCO__) || defined(__UNIXWARE__)
+	    vtno--;
+#endif
+#if defined(QNX4)
+	    xf86Info.vtRequestsPending = vtno;
+#else
+	    if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno) < 0)
+		ErrorF("Failed to switch consoles (%s)\n", strerror(errno));
+#endif
+	}
+	break;
+    case ACTION_SWITCHSCREEN_NEXT:
+	if (VTSwitchEnabled && !xf86Info.dontVTSwitch) {
+/* Shouldn't this be true for (sun) && (i386) && (SVR4) ? */
+#if defined(__SCO__) || defined(__UNIXWARE__)
+	    if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) < 0)
+#else
+	    if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno + 1) < 0)
+#endif
+#if defined (__SCO__) || (defined(sun) && defined (i386) && defined (SVR4)) || defined(__UNIXWARE__)
+		if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, 0) < 0)
+#else
+		if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, 1) < 0)
+#endif
+		    ErrorF("Failed to switch consoles (%s)\n", strerror(errno));
+	}
+	break;
+    case ACTION_SWITCHSCREEN_PREV:
+	if (VTSwitchEnabled && !xf86Info.dontVTSwitch && xf86Info.vtno > 0) {
+	    if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno - 1) < 0)
+		ErrorF("Failed to switch consoles (%s)\n", strerror(errno));
+	}
+	break;
+#endif
+    case ACTION_MESSAGE:
+        {
+            char *retstr, *message = (char *) arg;
+	    ScrnInfoPtr pScr = XF86SCRNINFO(xf86Info.currentScreen);
+
+#ifdef DEBUG
+            ErrorF("ActionMessage: '%s'\n", message);
+#endif
+	    /* Okay the message made it to the ddx.  The common layer */
+	    /* can check for relevant messages here and react to any  */
+	    /* that have a global effect.  For example:               */ 
+	    /*                                                        */
+	    /* if (!strcmp(message, "foo") {                          */
+	    /*      do_foo(); break                                   */
+	    /* }                                                      */
+	    /*                                                        */
+	    /* otherwise fallback to sending a key event message to   */
+	    /* the current screen's driver:                           */
+	    if (*pScr->HandleMessage != NULL) {
+		(void) (*pScr->HandleMessage)(pScr->scrnIndex,
+			"KeyEventMessage", message, &retstr);
+	    }
+        }
+	break;
+    default:
+	break;
+    }
+}
+
+/*
+ * xf86PostKbdEvent --
+ *	Translate the raw hardware KbdEvent into an XEvent, and tell DIX
+ *	about it. Scancode preprocessing and so on is done ...
+ *
+ *  OS/2 specific xf86PostKbdEvent(key) has been moved to os-support/os2/os2_kbd.c
+ *  as some things differ, and I did not want to scatter this routine with
+ *  ifdefs further (hv).
+ */
+
+#ifdef __linux__
+extern u_char SpecialServerMap[];
+#endif
+
+#if !defined(__UNIXOS2__)
+void
+xf86PostKbdEvent(unsigned key)
+{
+  int         scanCode = (key & 0x7f);
+  int         specialkey = 0;
+  Bool        down = (key & 0x80 ? FALSE : TRUE);
+  KeyClassRec *keyc = ((DeviceIntPtr)xf86Info.pKeyboard)->key;
+  Bool        updateLeds = FALSE;
+  Bool        UsePrefix = FALSE;
+  Bool        Direction = FALSE;
+  xEvent      kevent;
+  KeySym      *keysym;
+  int         keycode;
+  static int  lockkeys = 0;
+#if defined(SYSCONS_SUPPORT) || defined(PCVT_SUPPORT) || defined(WSCONS_SUPPORT)
+  static Bool first_time = TRUE;
+#endif
+#if defined(__sparc__) && defined(__linux__)
+  static int  kbdSun = -1;
+#endif
+  /* Disable any keyboard processing while in suspend */
+  if (xf86inSuspend)
+      return;
+
+#if defined(SYSCONS_SUPPORT) || defined(PCVT_SUPPORT) || defined(WSCONS_SUPPORT)
+  if (first_time)
+  {
+    first_time = FALSE;
+    VTSwitchEnabled = (xf86Info.consType == SYSCONS)
+	    || (xf86Info.consType == PCVT);
+  }
+#endif
+
+#if defined (__sparc__) && defined(__linux__)
+  if (kbdSun == -1) {
+    if ((xf86Info.xkbmodel && !strcmp(xf86Info.xkbmodel, "sun"))
+	|| (xf86Info.xkbrules && !strcmp(xf86Info.xkbrules, "sun")))
+      kbdSun = 1;
+    else
+      kbdSun = 0;
+  }
+  if (kbdSun)
+    goto special;
+#endif /* __sparc__ && __linux__ */
+
+#ifdef __linux__
+  if (xf86Info.kbdCustomKeycodes) {
+    specialkey = SpecialServerMap[scanCode];
+    goto customkeycodes;
+  }
+#endif
+
+  /*
+   * First do some special scancode remapping ...
+   */
+  if (xf86Info.scanPrefix == 0) {
+
+    switch (scanCode) {
+    case KEY_Prefix0:
+    case KEY_Prefix1:
+#if defined(PCCONS_SUPPORT) || defined(SYSCONS_SUPPORT) || defined(PCVT_SUPPORT) || defined(WSCONS_SUPPORT)
+      if (xf86Info.consType == PCCONS || xf86Info.consType == SYSCONS
+	  || xf86Info.consType == PCVT
+#ifdef WSCONS_SUPPORT
+	  || (xf86Info.consType == WSCONS && xf86Info.kbdEvents != xf86WSKbdEvents)
+#endif
+      ) {
+#endif
+        xf86Info.scanPrefix = scanCode;  /* special prefixes */
+        return;
+#if defined(PCCONS_SUPPORT) || defined(SYSCONS_SUPPORT) || defined(PCVT_SUPPORT) || defined(WSCONS_SUPPORT)
+      }
+      break;
+#endif
+    }
+#if defined (i386) && defined (SVR4)
+    /* 
+     * PANIX returns DICOP standards based keycodes in using 106jp 
+     * keyboard. We need to remap some keys. 
+     */
+    if(xf86Info.panix106 == TRUE){
+      switch (scanCode) {
+      case 0x56:        scanCode = KEY_BSlash2;	break;  /* Backslash */
+      case 0x5A:        scanCode = KEY_NFER;	break;  /* No Kanji Transfer*/
+      case 0x5B:        scanCode = KEY_XFER;	break;  /* Kanji Tranfer */
+      case 0x5C:        scanCode = KEY_Yen;	break;  /* Yen curs pgup */
+      case 0x6B:        scanCode = KEY_Left;	break;  /* Cur Left */
+      case 0x6F:        scanCode = KEY_PgUp;	break;  /* Cur PageUp */
+      case 0x72:        scanCode = KEY_AltLang;	break;  /* AltLang(right) */
+      case 0x73:        scanCode = KEY_RCtrl;	break;  /* not needed */
+      }
+    } else
+#endif /* i386 && SVR4 */
+    {
+      switch (scanCode) {
+      case 0x59:        scanCode = KEY_0x59; break;
+      case 0x5a:        scanCode = KEY_0x5A; break;
+      case 0x5b:        scanCode = KEY_0x5B; break;
+      case 0x5c:        scanCode = KEY_KP_Equal; break; /* Keypad Equal */
+      case 0x5d:        scanCode = KEY_0x5D; break;
+      case 0x5e:        scanCode = KEY_0x5E; break;
+      case 0x5f:        scanCode = KEY_0x5F; break;
+      case 0x62:        scanCode = KEY_0x62; break;
+      case 0x63:        scanCode = KEY_0x63; break;
+      case 0x64:        scanCode = KEY_0x64; break;
+      case 0x65:        scanCode = KEY_0x65; break;
+      case 0x66:        scanCode = KEY_0x66; break;
+      case 0x67:        scanCode = KEY_0x67; break;
+      case 0x68:        scanCode = KEY_0x68; break;
+      case 0x69:        scanCode = KEY_0x69; break;
+      case 0x6a:        scanCode = KEY_0x6A; break;
+      case 0x6b:        scanCode = KEY_0x6B; break;
+      case 0x6c:        scanCode = KEY_0x6C; break;
+      case 0x6d:        scanCode = KEY_0x6D; break;
+      case 0x6e:        scanCode = KEY_0x6E; break;
+      case 0x6f:        scanCode = KEY_0x6F; break;
+      case 0x70:        scanCode = KEY_0x70; break;
+      case 0x71:        scanCode = KEY_0x71; break;
+      case 0x72:        scanCode = KEY_0x72; break;
+      case 0x73:        scanCode = KEY_0x73; break;
+      case 0x74:        scanCode = KEY_0x74; break;
+      case 0x75:        scanCode = KEY_0x75; break;
+      case 0x76:        scanCode = KEY_0x76; break;
+      }
+    }
+  }
+
+  else if (
+#ifdef CSRG_BASED
+           (xf86Info.consType == PCCONS || xf86Info.consType == SYSCONS
+	    || xf86Info.consType == PCVT
+#ifdef WSCONS_SUPPORT
+	      || (xf86Info.consType == WSCONS && xf86Info.kbdEvents !=
+	      xf86WSKbdEvents)
+#endif
+	      ) &&
+#endif
+           (xf86Info.scanPrefix == KEY_Prefix0)) {
+    xf86Info.scanPrefix = 0;
+	  
+    switch (scanCode) {
+    case KEY_KP_7:        scanCode = KEY_Home;      break;  /* curs home */
+    case KEY_KP_8:        scanCode = KEY_Up;        break;  /* curs up */
+    case KEY_KP_9:        scanCode = KEY_PgUp;      break;  /* curs pgup */
+    case KEY_KP_4:        scanCode = KEY_Left;      break;  /* curs left */
+    case KEY_KP_5:        scanCode = KEY_Begin;     break;  /* curs begin */
+    case KEY_KP_6:        scanCode = KEY_Right;     break;  /* curs right */
+    case KEY_KP_1:        scanCode = KEY_End;       break;  /* curs end */
+    case KEY_KP_2:        scanCode = KEY_Down;      break;  /* curs down */
+    case KEY_KP_3:        scanCode = KEY_PgDown;    break;  /* curs pgdown */
+    case KEY_KP_0:        scanCode = KEY_Insert;    break;  /* curs insert */
+    case KEY_KP_Decimal:  scanCode = KEY_Delete;    break;  /* curs delete */
+    case KEY_Enter:       scanCode = KEY_KP_Enter;  break;  /* keypad enter */
+    case KEY_LCtrl:       scanCode = KEY_RCtrl;     break;  /* right ctrl */
+    case KEY_KP_Multiply: scanCode = KEY_Print;     break;  /* print */
+    case KEY_Slash:       scanCode = KEY_KP_Divide; break;  /* keyp divide */
+    case KEY_Alt:         scanCode = KEY_AltLang;   break;  /* right alt */
+    case KEY_ScrollLock:  scanCode = KEY_Break;     break;  /* curs break */
+    case 0x5b:            scanCode = KEY_LMeta;     break;
+    case 0x5c:            scanCode = KEY_RMeta;     break;
+    case 0x5d:            scanCode = KEY_Menu;      break;
+    case KEY_F3:          scanCode = KEY_F13;       break;
+    case KEY_F4:          scanCode = KEY_F14;       break;
+    case KEY_F5:          scanCode = KEY_F15;       break;
+    case KEY_F6:          scanCode = KEY_F16;       break;
+    case KEY_F7:          scanCode = KEY_F17;       break;
+    case KEY_KP_Plus:     scanCode = KEY_KP_DEC;    break;
+      /*
+       * Ignore virtual shifts (E0 2A, E0 AA, E0 36, E0 B6)
+       */
+    case 0x2A:
+    case 0x36:
+	return;
+    default:
+      xf86MsgVerb(X_INFO, 4, "Unreported Prefix0 scancode: 0x%02x\n",
+		  scanCode);
+      /*
+       * "Internet" keyboards are generating lots of new codes.  Let them
+       * pass.  There is little consistency between them, so don't bother
+       * with symbolic names at this level.
+       */
+      scanCode += 0x78;
+    }
+  }
+  
+  else if (xf86Info.scanPrefix == KEY_Prefix1)
+    {
+      xf86Info.scanPrefix = (scanCode == KEY_LCtrl) ? KEY_LCtrl : 0;
+      return;
+    }
+  
+  else if (xf86Info.scanPrefix == KEY_LCtrl)
+    {
+      xf86Info.scanPrefix = 0;
+      if (scanCode != KEY_NumLock) return;
+      scanCode = KEY_Pause;       /* pause */
+    }
+
+#ifndef __sparc64__
+  /*
+   * PC keyboards generate separate key codes for
+   * Alt+Print and Control+Pause but in the X keyboard model
+   * they need to get the same key code as the base key on the same
+   * physical keyboard key.
+   */
+  if (scanCode == KEY_SysReqest)
+    scanCode = KEY_Print;
+  else if (scanCode == KEY_Break)
+    scanCode = KEY_Pause;
+#endif
+  
+  /*
+   * and now get some special keysequences
+   */
+
+  specialkey = scanCode;
+
+#ifdef __linux__
+customkeycodes:
+#endif
+#if defined(i386) || defined(__i386__)
+  if (xf86IsPc98()) {
+    switch (scanCode) {
+      case 0x0e: specialkey = 0x0e; break; /* KEY_BackSpace */
+      case 0x40: specialkey = 0x4a; break; /* KEY_KP_Minus  */
+      case 0x49: specialkey = 0x4e; break; /* KEY_KP_Plus   */
+
+      /* XXX needs cases for KEY_KP_Divide and KEY_KP_Multiply */
+
+      case 0x62: specialkey = 0x3b; break; /* KEY_F1        */
+      case 0x63: specialkey = 0x3c; break; /* KEY_F2        */
+      case 0x64: specialkey = 0x3d; break; /* KEY_F3        */
+      case 0x65: specialkey = 0x3e; break; /* KEY_F4        */
+      case 0x66: specialkey = 0x3f; break; /* KEY_F5        */
+      case 0x67: specialkey = 0x40; break; /* KEY_F6        */
+      case 0x68: specialkey = 0x41; break; /* KEY_F7        */
+      case 0x69: specialkey = 0x42; break; /* KEY_F8        */
+      case 0x6a: specialkey = 0x43; break; /* KEY_F9        */
+      case 0x6b: specialkey = 0x44; break; /* KEY_F10       */
+      /* case 0x73: specialkey = 0x38; break; KEY_Alt       */
+      /* case 0x74: specialkey = 0x1d; break; KEY_LCtrl     */
+      default:   specialkey = 0x00; break;
+    }
+  }
+#endif
+#if defined (__sparc__) && defined(__linux__)
+special:
+  if (kbdSun) {
+    switch (scanCode) {
+      case 0x2b: specialkey = KEY_BackSpace; break;
+      case 0x47: specialkey = KEY_KP_Minus; break;
+      case 0x7d: specialkey = KEY_KP_Plus; break;
+
+      /* XXX needs cases for KEY_KP_Divide and KEY_KP_Multiply */
+
+      case 0x05: specialkey = KEY_F1; break;
+      case 0x06: specialkey = KEY_F2; break;
+      case 0x08: specialkey = KEY_F3; break;
+      case 0x0a: specialkey = KEY_F4; break;
+      case 0x0c: specialkey = KEY_F5; break;
+      case 0x0e: specialkey = KEY_F6; break;
+      case 0x10: specialkey = KEY_F7; break;
+      case 0x11: specialkey = KEY_F8; break;
+      case 0x12: specialkey = KEY_F9; break;
+      case 0x07: specialkey = KEY_F10; break;
+      case 0x09: specialkey = KEY_F11; break;
+      case 0x0b: specialkey = KEY_F12; break;
+      default: specialkey = 0; break;
+    }
+    /*
+     * XXX XXX XXX:
+     *
+     * I really don't know what's wrong here, but passing the real
+     * scanCode offsets by one from XKB's point of view.
+     *
+     * (ecd@skynet.be, 980405)
+     */
+    scanCode--;
+  }
+#endif /* defined (__sparc__) && defined(__linux__) */
+
+#ifdef XKB
+  if ((xf86Info.ddxSpecialKeys == SKWhenNeeded &&
+       !xf86Info.ActionKeyBindingsSet) ||
+      noXkbExtension || xf86Info.ddxSpecialKeys == SKAlways) {
+#endif
+  if (!(ModifierDown(ShiftMask)) &&
+      ((ModifierDown(ControlMask | AltMask)) ||
+       (ModifierDown(ControlMask | AltLangMask))))
+    {
+      switch (specialkey) {
+	
+      case KEY_BackSpace:
+	xf86ProcessActionEvent(ACTION_TERMINATE, NULL);
+	break;
+
+      /*
+       * Check grabs
+       */
+      case KEY_KP_Divide:
+	xf86ProcessActionEvent(ACTION_DISABLEGRAB, NULL);
+	break;
+      case KEY_KP_Multiply:
+	xf86ProcessActionEvent(ACTION_CLOSECLIENT, NULL);
+	break;
+
+      /*
+       * Video mode switches
+       */
+      case KEY_KP_Minus:   /* Keypad - */
+	if (down) xf86ProcessActionEvent(ACTION_PREV_MODE, NULL);
+	if (!xf86Info.dontZoom) return;
+	break;
+	
+      case KEY_KP_Plus:   /* Keypad + */
+	if (down) xf86ProcessActionEvent(ACTION_NEXT_MODE, NULL);
+	if (!xf86Info.dontZoom) return;
+	break;
+
+	/* Under QNX4, we set the vtPending flag for VT switching and 
+	 * let the VT switch function do the rest...
+	 * This is a little different from the other OS'es.
+	 */
+#if defined(QNX4)
+      case KEY_1:
+      case KEY_2:
+      case KEY_3:
+      case KEY_4:
+      case KEY_5:
+      case KEY_6:
+      case KEY_7:
+      case KEY_8:
+      case KEY_9:
+	if (VTSwitchEnabled && !xf86Info.dontVTSwitch) {
+	  if (down) {
+	    int vtno = specialkey - KEY_1 + 1;
+	    xf86ProcessActionEvent(ACTION_SWITCHSCREEN, (void *) &vtno);
+	  }
+	  return;
+	}
+	break;
+#endif
+
+#if defined(linux) || (defined(CSRG_BASED) && (defined(SYSCONS_SUPPORT) || defined(PCVT_SUPPORT) || defined(WSCONS_SUPPORT))) || defined(__SCO__) || defined(__UNIXWARE__)
+	/*
+	 * Under Linux, the raw keycodes are consumed before the kernel
+	 * does any processing on them, so we must emulate the vt switching
+	 * we want ourselves.
+	 */
+      case KEY_F1:
+      case KEY_F2:
+      case KEY_F3:
+      case KEY_F4:
+      case KEY_F5:
+      case KEY_F6:
+      case KEY_F7:
+      case KEY_F8:
+      case KEY_F9:
+      case KEY_F10:
+      case KEY_F11:
+      case KEY_F12:
+	if ((VTSwitchEnabled && !xf86Info.vtSysreq && !xf86Info.dontVTSwitch)
+#if (defined(CSRG_BASED) && (defined(SYSCONS_SUPPORT) || defined(PCVT_SUPPORT) || defined(WSCONS_SUPPORT)))
+	    && (xf86Info.consType == SYSCONS || xf86Info.consType == PCVT)
+#endif
+	   ) {
+	    int vtno = specialkey - KEY_F1 + 1;
+	    if (specialkey == KEY_F11 || specialkey == KEY_F12)
+		vtno = specialkey - KEY_F11 + 11;
+	    if (down)
+		xf86ProcessActionEvent(ACTION_SWITCHSCREEN, (void *) &vtno);
+	    return;
+	}
+	break;
+#endif /* linux || BSD with VTs */
+
+      /* just worth mentioning here: any 386bsd keyboard driver
+       * (pccons.c or co_kbd.c) catches CTRL-ALT-DEL and CTRL-ALT-ESC
+       * before any application (e.g. XF86) will see it
+       * OBS: syscons does not, nor does pcvt !
+       */
+      } 
+    }
+
+    /*
+     * Start of actual Solaris VT switching code.  
+     * This should pretty much emulate standard SVR4 switching keys.
+     * 
+     * DWH 12/2/93
+     */
+
+#ifdef USE_VT_SYSREQ
+    if (VTSwitchEnabled && xf86Info.vtSysreq && !xf86Info.dontVTSwitch)
+    {
+      switch (specialkey)
+      {
+      /*
+       * syscons on *BSD doesn't have a VT #0  -- don't think Linux does
+       * either
+       */
+#if defined (sun) && defined (i386) && defined (SVR4)
+      case KEY_H: 
+	if (VTSysreqToggle && down)
+        {
+	  xf86ProcessActionEvent(ACTION_SWITCHSCREEN, NULL);
+          VTSysreqToggle = 0;
+          return; 
+        }
+	break;
+
+      /*
+       * Yah, I know the N, and P keys seem backwards, however that's
+       * how they work under Solaris
+       * XXXX N means go to next active VT not necessarily vtno+1 (or vtno-1)
+       */
+
+      case KEY_N:
+	if (VTSysreqToggle && down)
+	{
+	  xf86ProcessActionEvent(ACTION_SWITCHSCREEN_NEXT, NULL);
+          VTSysreqToggle = FALSE;
+          return;
+        }
+	break;
+
+      case KEY_P:
+	if (VTSysreqToggle && down)
+	{
+	  xf86ProcessActionEvent(ACTION_SWITCHSCREEN_NEXT, NULL);
+          VTSysreqToggle = FALSE;
+          return;
+        }
+	break;
+#endif
+
+      case KEY_F1:
+      case KEY_F2:
+      case KEY_F3:
+      case KEY_F4:
+      case KEY_F5:
+      case KEY_F6:
+      case KEY_F7:
+      case KEY_F8:
+      case KEY_F9:
+      case KEY_F10:
+      case KEY_F11:
+      case KEY_F12:
+	if (VTSysreqToggle && down)
+	{ int vtno = specialkey - KEY_F1 + 1;
+	  if (specialkey == KEY_F11 || specialkey == KEY_F12)
+	    vtno = specialkey - KEY_F11 + 11;
+	  xf86ProcessActionEvent(ACTION_SWITCHSCREEN, (void *) &vtno);
+          VTSysreqToggle = FALSE;
+          return;
+        }
+	break;
+
+      /* Ignore these keys -- ie don't let them cancel an alt-sysreq */
+      case KEY_Alt:
+      case KEY_AltLang:
+	break;
+
+      case KEY_SysReqest:
+        if (down && (ModifierDown(AltMask) || ModifierDown(AltLangMask)))
+          VTSysreqToggle = TRUE;
+	break;
+
+      default:
+        if (VTSysreqToggle)
+	{
+	  /*
+	   * We only land here when Alt-SysReq is followed by a
+	   * non-switching key.
+	   */
+          VTSysreqToggle = FALSE;
+
+        }
+      }
+    }
+
+#endif /* USE_VT_SYSREQ */
+
+#ifdef __SCO__
+    /*
+     *	With the console in raw mode, SCO will not switch consoles,
+     *	you get around this by activating the next console along, if
+     *	this fails then go back to console 0, if there is only one
+     *	then it doesn't matter, switching to yourself is a nop as far
+     *	as the console driver is concerned.
+     *	We could do something similar to linux here but SCO ODT uses
+     *	Ctrl-PrintScrn, so why change?
+     */
+    if (specialkey == KEY_Print && ModifierDown(ControlMask)) {
+      if (down)
+	xf86ProcessActionEvent(ACTION_SWITCHSCREEN_NEXT, NULL);
+      return;
+    }
+#endif /* __SCO__ */
+#ifdef XKB
+    }
+#endif
+
+  /*
+   * Now map the scancodes to real X-keycodes ...
+   */
+  keycode = scanCode + MIN_KEYCODE;
+  keysym = (keyc->curKeySyms.map +
+	    keyc->curKeySyms.mapWidth * 
+	    (keycode - keyc->curKeySyms.minKeyCode));
+#ifdef XKB
+  if (noXkbExtension) {
+#endif
+  /*
+   * Filter autorepeated caps/num/scroll lock keycodes.
+   */
+#define CAPSFLAG 0x01
+#define NUMFLAG 0x02
+#define SCROLLFLAG 0x04
+#define MODEFLAG 0x08
+  if( down ) {
+    switch( keysym[0] ) {
+        case XK_Caps_Lock :
+          if (lockkeys & CAPSFLAG)
+              return;
+	  else
+	      lockkeys |= CAPSFLAG;
+          break;
+
+        case XK_Num_Lock :
+          if (lockkeys & NUMFLAG)
+              return;
+	  else
+	      lockkeys |= NUMFLAG;
+          break;
+
+        case XK_Scroll_Lock :
+          if (lockkeys & SCROLLFLAG)
+              return;
+	  else
+	      lockkeys |= SCROLLFLAG;
+          break;
+    }
+    if (keysym[1] == XF86XK_ModeLock)
+    {
+      if (lockkeys & MODEFLAG)
+          return;
+      else
+          lockkeys |= MODEFLAG;
+    }
+      
+  }
+  else {
+    switch( keysym[0] ) {
+        case XK_Caps_Lock :
+            lockkeys &= ~CAPSFLAG;
+            break;
+
+        case XK_Num_Lock :
+            lockkeys &= ~NUMFLAG;
+            break;
+
+        case XK_Scroll_Lock :
+            lockkeys &= ~SCROLLFLAG;
+            break;
+    }
+    if (keysym[1] == XF86XK_ModeLock)
+      lockkeys &= ~MODEFLAG;
+  }
+
+  /*
+   * LockKey special handling:
+   * ignore releases, toggle on & off on presses.
+   * Don't deal with the Caps_Lock keysym directly, but check the lock modifier
+   */
+  if (keyc->modifierMap[keycode] & LockMask ||
+      keysym[0] == XK_Scroll_Lock ||
+      keysym[1] == XF86XK_ModeLock ||
+      keysym[0] == XK_Num_Lock)
+    {
+      Bool flag;
+
+      if (!down) return;
+      if (KeyPressed(keycode)) {
+	down = !down;
+	flag = FALSE;
+      }
+      else
+	flag = TRUE;
+
+      if (keyc->modifierMap[keycode] & LockMask)   xf86Info.capsLock   = flag;
+      if (keysym[0] == XK_Num_Lock)    xf86Info.numLock    = flag;
+      if (keysym[0] == XK_Scroll_Lock) xf86Info.scrollLock = flag;
+      if (keysym[1] == XF86XK_ModeLock)   xf86Info.modeSwitchLock = flag;
+      updateLeds = TRUE;
+    }
+
+  if (!xf86Info.kbdCustomKeycodes) {
+    /*
+     * normal, non-keypad keys
+     */
+    if (scanCode < KEY_KP_7 || scanCode > KEY_KP_Decimal) {
+#if !defined(CSRG_BASED) && \
+    !defined(__GNU__) && \
+     defined(KB_84)
+      /*
+       * magic ALT_L key on AT84 keyboards for multilingual support
+       */
+      if (xf86Info.kbdType == KB_84 &&
+	  ModifierDown(AltMask) &&
+	  keysym[2] != NoSymbol)
+	{
+	  UsePrefix = TRUE;
+	  Direction = TRUE;
+	}
+#endif /* !CSRG_BASED && ... */
+    }
+  }
+  if (updateLeds) xf86UpdateKbdLeds();
+#ifdef XKB
+  }
+#endif
+
+  /*
+   * check for an autorepeat-event
+   */
+  if (down && KeyPressed(keycode)) {
+      KbdFeedbackClassRec *kbdfeed = ((DeviceIntPtr)xf86Info.pKeyboard)->kbdfeed;
+      if ((xf86Info.autoRepeat != AutoRepeatModeOn) ||
+          keyc->modifierMap[keycode] ||
+          (kbdfeed && !(kbdfeed->ctrl.autoRepeats[keycode>>3] & ( 1<<(keycode&7) ))))
+          return;
+  }
+
+
+  xf86Info.lastEventTime = kevent.u.keyButtonPointer.time = GetTimeInMillis();
+  /*
+   * And now send these prefixes ...
+   * NOTE: There cannot be multiple Mode_Switch keys !!!!
+   */
+  if (UsePrefix)
+    {
+      ENQUEUE(&kevent,
+	      keyc->modifierKeyMap[keyc->maxKeysPerModifier*7],
+	      (Direction ? KeyPress : KeyRelease),
+	      XE_KEYBOARD);
+      ENQUEUE(&kevent, keycode, (down ? KeyPress : KeyRelease), XE_KEYBOARD);
+      ENQUEUE(&kevent,
+	      keyc->modifierKeyMap[keyc->maxKeysPerModifier*7],
+	      (Direction ? KeyRelease : KeyPress),
+	      XE_KEYBOARD);
+    }
+  else 
+    {
+      ENQUEUE(&kevent, keycode, (down ? KeyPress : KeyRelease), XE_KEYBOARD);
+    }
+}
+#endif /* !__UNIXOS2__ */
+
+#define ModifierIsSet(k) ((modifiers & (k)) == (k))
+
+Bool
+xf86CommonSpecialKey(int key, Bool down, int modifiers)
+{
+  if ((!ModifierIsSet(ShiftMask)) &&
+      (((ModifierIsSet(ControlMask | AltMask)) ||
+        (ModifierIsSet(ControlMask | AltLangMask))))) {
+      switch (key) {
+	
+      case KEY_BackSpace:
+	xf86ProcessActionEvent(ACTION_TERMINATE, NULL);
+	break;
+
+      /*
+       * Check grabs
+       */
+      case KEY_KP_Divide:
+	xf86ProcessActionEvent(ACTION_DISABLEGRAB, NULL);
+	break;
+      case KEY_KP_Multiply:
+	xf86ProcessActionEvent(ACTION_CLOSECLIENT, NULL);
+	break;
+	
+	/*
+	 * The idea here is to pass the scancode down to a list of
+	 * registered routines. There should be some standard conventions
+	 * for processing certain keys.
+	 */
+      case KEY_KP_Minus:   /* Keypad - */
+	if (down) xf86ProcessActionEvent(ACTION_PREV_MODE, NULL);
+	if (!xf86Info.dontZoom) return TRUE;
+	break;
+	
+      case KEY_KP_Plus:   /* Keypad + */
+	if (down) xf86ProcessActionEvent(ACTION_NEXT_MODE, NULL);
+	if (!xf86Info.dontZoom) return TRUE;
+	break;
+      }
+  }
+  return FALSE;
+}
+
+/*
+ * xf86Wakeup --
+ *      Os wakeup handler.
+ */
+
+/* ARGSUSED */
+void
+xf86Wakeup(pointer blockData, int err, pointer pReadmask)
+{
+#if !defined(__UNIXOS2__) && !defined(__QNX__)
+    fd_set* LastSelectMask = (fd_set*)pReadmask;
+    fd_set devicesWithInput;
+    InputInfoPtr pInfo;
+
+    if (err >= 0) {
+
+	XFD_ANDSET(&devicesWithInput, LastSelectMask, &EnabledDevices);
+	if (XFD_ANYSET(&devicesWithInput)) {
+	    if (xf86Info.kbdEvents)
+	    	(xf86Info.kbdEvents)();
+	    pInfo = xf86InputDevs;
+	    while (pInfo) {
+		if (pInfo->read_input && pInfo->fd >= 0 &&
+		    (FD_ISSET(pInfo->fd, &devicesWithInput) != 0)) {
+		    int sigstate = xf86BlockSIGIO();
+		    
+		    pInfo->read_input(pInfo);
+		    xf86UnblockSIGIO(sigstate);		    
+		    /*
+		     * Remove the descriptior from the set because more than one
+		     * device may share the same file descriptor.
+		     */
+		    FD_CLR(pInfo->fd, &devicesWithInput);
+		}
+		pInfo = pInfo->next;
+	    }
+	}
+    }
+#else   /* __UNIXOS2__ and __QNX__ */
+
+    InputInfoPtr pInfo;
+
+    (xf86Info.kbdEvents)();  /* Under OS/2 and QNX, always call */
+
+    pInfo = xf86InputDevs;
+    while (pInfo) {
+		if (pInfo->read_input && pInfo->fd >= 0) {
+		    int sigstate = xf86BlockSIGIO();
+		    
+		    pInfo->read_input(pInfo);
+		    xf86UnblockSIGIO(sigstate);		    
+		    /*
+		     * Must break here because more than one device may share
+		     * the same file descriptor.
+		     */
+		    break;
+		}
+		pInfo = pInfo->next;
+    }
+
+#endif  /* __UNIXOS2__ and __QNX__ */
+
+    if (err >= 0) { /* we don't want the handlers called if select() */
+	IHPtr ih;   /* returned with an error condition, do we?      */
+	
+	for (ih = InputHandlers; ih; ih = ih->next) {
+	    if (ih->enabled && ih->fd >= 0 && ih->ihproc &&
+		(FD_ISSET(ih->fd, ((fd_set *)pReadmask)) != 0)) {
+		ih->ihproc(ih->fd, ih->data);
+	    }
+	}
+    }
+    
+    if (xf86VTSwitchPending()) xf86VTSwitch();
+
+    if (xf86Info.inputPending) ProcessInputEvents();
+}
+
+
+/*
+ * xf86SigioReadInput --
+ *    signal handler for the SIGIO signal.
+ */
+static void
+xf86SigioReadInput(int fd,
+		   void *closure)
+{
+    int sigstate = xf86BlockSIGIO();
+    InputInfoPtr pInfo = (InputInfoPtr) closure;
+
+    pInfo->read_input(pInfo);
+
+    xf86UnblockSIGIO(sigstate);
+}
+
+/*
+ * xf86AddEnabledDevice --
+ *    
+ */
+void
+xf86AddEnabledDevice(InputInfoPtr pInfo)
+{
+    if (!xf86InstallSIGIOHandler (pInfo->fd, xf86SigioReadInput, pInfo)) {
+	AddEnabledDevice(pInfo->fd);
+    }
+}
+
+/*
+ * xf86RemoveEnabledDevice --
+ *    
+ */
+void
+xf86RemoveEnabledDevice(InputInfoPtr pInfo)
+{
+    if (!xf86RemoveSIGIOHandler (pInfo->fd)) {
+	RemoveEnabledDevice(pInfo->fd);
+    }
+}
+
+static int *xf86SignalIntercept = NULL;
+
+void
+xf86InterceptSignals(int *signo)
+{
+    if ((xf86SignalIntercept = signo))
+	*signo = -1;
+}
+
+static void (*xf86SigIllHandler)(void) = NULL;
+
+void 
+xf86InterceptSigIll(void (*sigillhandler)(void))
+{
+    xf86SigIllHandler = sigillhandler;
+}
+
+#ifdef HAVE_EXECINFO_H
+#define HAVE_BACKTRACE
+#include <execinfo.h>
+#endif
+
+#ifdef HAVE_BACKTRACE
+
+static __inline__ void xorg_backtrace(void)
+{
+    void *array[32]; /* deeper nesting than this means something's wrong */
+    size_t size, i;
+    char **strings;
+    ErrorF("\nBacktrace:\n");
+    size = backtrace(array, 32);
+    strings = backtrace_symbols(array, size);
+    for (i = 0; i < size; i++)
+        ErrorF("%d: %s\n", i, strings[i]);
+    free(strings);
+}
+
+#else /* not glibc or glibc < 2.1 */
+
+# if defined(sun) && defined(__SVR4)
+#  define HAVE_PSTACK
+# endif
+
+# if defined(HAVE_WALKCONTEXT) /* Solaris 9 & later */
+
+# include <ucontext.h>
+# include <signal.h>
+# include <dlfcn.h>
+# include <sys/elf.h>
+
+#ifdef _LP64
+# define ElfSym Elf64_Sym
+#else
+# define ElfSym Elf32_Sym
+#endif
+
+/* Called for each frame on the stack to print it's contents */
+static int xorg_backtrace_frame(uintptr_t pc, int signo, void *arg)
+{
+    Dl_info dlinfo;
+    ElfSym *dlsym;
+    char header[32];
+    int depth = *((int *) arg);
+    
+    if (signo) {
+	char signame[SIG2STR_MAX];
+
+	if (sig2str(signo, signame) != 0) {
+	    strcpy(signame, "unknown");
+	}
+
+	ErrorF("** Signal %d (%s)\n", signo, signame);
+    }
+
+    snprintf(header, sizeof(header), "%d: 0x%lx", depth, pc);
+    *((int *) arg) = depth + 1;
+    
+    /* Ask system dynamic loader for info on the address */
+    if (dladdr1((void *) pc, &dlinfo, (void **) &dlsym, RTLD_DL_SYMENT)) {
+	unsigned long offset = pc - (uintptr_t) dlinfo.dli_saddr;
+	const char *symname;
+	
+	if (offset < dlsym->st_size) { /* inside a function */
+	    symname = dlinfo.dli_sname;
+	} else { /* found which file it was in, but not which function */
+	    symname = "<section start>";
+	    offset = pc - (uintptr_t)dlinfo.dli_fbase;
+	}
+	ErrorF("%s: %s:%s+0x%lx\n", header, dlinfo.dli_fname,
+	       symname, offset);
+
+    } else {
+	/* Couldn't find symbol info from system dynamic loader, should
+	 * probably poke elfloader here, but haven't written that code yet,
+	 * so we just print the pc.
+	 */
+	ErrorF("%s\n", header);
+    }
+    
+    return 0;
+}
+# endif /* HAVE_WALKCONTEXT */
+
+# ifdef HAVE_PSTACK
+static int xorg_backtrace_pstack(void) {
+    pid_t kidpid;
+    int pipefd[2];
+
+    if (pipe(pipefd) != 0) {
+	return -1;
+    }
+
+    kidpid = fork1();
+
+    if (kidpid == -1) {
+	/* ERROR */
+	return -1;
+    } else if (kidpid == 0) {
+	/* CHILD */
+	char parent[16];
+	
+	seteuid(0);
+	close(STDIN_FILENO);
+	close(STDOUT_FILENO);
+	dup2(pipefd[1],STDOUT_FILENO);
+	closefrom(STDERR_FILENO);
+
+	snprintf(parent, sizeof(parent), "%d", getppid());
+	execle("/usr/bin/pstack", "pstack", parent, NULL);
+	exit(1);
+    } else {
+	/* PARENT */
+	char btline[256];
+	int kidstat;
+	int bytesread;
+	int done = 0;
+	
+	close(pipefd[1]);
+
+	while (!done) {
+	    bytesread = read(pipefd[0], btline, sizeof(btline) - 1);
+	    
+	    if (bytesread > 0) {
+		btline[bytesread] = 0;
+		ErrorF("%s", btline);
+	    }
+	    else if ((bytesread < 0) ||
+		     ((errno != EINTR) && (errno != EAGAIN)))
+		done = 1;
+	}
+	close(pipefd[0]);
+	waitpid(kidpid, &kidstat, 0);
+	if (kidstat != 0)
+	    return -1;
+    }
+    return 0;
+}
+# endif /* HAVE_PSTACK */
+
+
+# if defined(HAVE_PSTACK) || defined(HAVE_WALKCONTEXT)
+
+static __inline__ void xorg_backtrace(void) {
+
+    ErrorF("\nBacktrace:\n");
+    
+#  ifdef HAVE_PSTACK    
+/* First try fork/exec of pstack - otherwise fall back to walkcontext
+   pstack is preferred since it can print names of non-exported functions */
+    
+    if (xorg_backtrace_pstack() < 0)
+#  endif	
+    {
+#  ifdef HAVE_WALKCONTEXT
+	ucontext_t u;
+	int depth = 1;
+	
+	if (getcontext(&u) == 0)
+	    walkcontext(&u, xorg_backtrace_frame, &depth);
+	else
+#  endif
+	    Error("Failed to get backtrace info");
+    }
+    ErrorF("\n");	
+}
+
+# else
+
+/* Default fallback if we can't find any way to get a backtrace */
+static __inline__ void xorg_backtrace(void) { return; }
+
+# endif
+#endif
+
+/*
+ * xf86SigHandler --
+ *    Catch unexpected signals and exit or continue cleanly.
+ */
+void
+xf86SigHandler(int signo)
+{
+  if ((signo == SIGILL) && xf86SigIllHandler) {
+    (*xf86SigIllHandler)();
+    /* Re-arm handler just in case we unexpectedly return here */
+    (void) signal(signo, xf86SigHandler);
+    return;
+  }
+  
+  if (xf86SignalIntercept && (*xf86SignalIntercept < 0)) {
+    *xf86SignalIntercept = signo;
+    /* Re-arm handler just in case */
+    (void) signal(signo, xf86SigHandler);
+    return;
+  }
+
+  signal(signo,SIG_IGN);
+  xf86Info.caughtSignal = TRUE;
+#ifdef XF86BIGFONT
+  XF86BigfontCleanup();
+#endif
+#if defined(XFree86LOADER)
+  if (xf86Initialising)
+      LoaderCheckUnresolved(LD_RESOLV_IFDONE);
+  ErrorF("\n"
+	 "   *** If unresolved symbols were reported above, they might not\n"
+	 "   *** be the reason for the server aborting.\n");
+#endif
+
+  xorg_backtrace();
+    
+  FatalError("Caught signal %d.  Server aborting\n", signo);
+}
+
+#ifdef MEMDEBUG
+void
+xf86SigMemDebug(int signo)
+{
+    CheckMemory();
+    (void) signal(signo, xf86SigMemDebug);
+    return;
+}
+#endif
+
+/*
+ * xf86VTSwitch --
+ *      Handle requests for switching the vt.
+ */
+static void
+xf86VTSwitch()
+{
+  int i, prevSIGIO;
+  InputInfoPtr pInfo;
+  IHPtr ih;
+
+#ifdef DEBUG
+  ErrorF("xf86VTSwitch()\n");
+#endif
+  
+#ifdef XFreeXDGA
+  if(!DGAVTSwitch())
+	return;
+#endif
+
+  /*
+   * Since all screens are currently all in the same state it is sufficient
+   * check the first.  This might change in future.
+   */
+  if (xf86Screens[0]->vtSema) {
+
+#ifdef DEBUG
+    ErrorF("xf86VTSwitch: Leaving, xf86Exiting is %s\n",
+	   BOOLTOSTRING((dispatchException & DE_TERMINATE) ? TRUE : FALSE));
+#endif
+#ifdef DPMSExtension
+    if (DPMSPowerLevel != DPMSModeOn)
+	DPMSSet(DPMSModeOn);
+#endif
+    for (i = 0; i < xf86NumScreens; i++) {
+      if (!(dispatchException & DE_TERMINATE))
+	if (xf86Screens[i]->EnableDisableFBAccess)
+	  (*xf86Screens[i]->EnableDisableFBAccess) (i, FALSE);
+    }
+#if !defined(__UNIXOS2__)
+
+    /* 
+     * Keep the order: Disable Device > LeaveVT
+     *                        EnterVT > EnableDevice 
+     */
+    DisableDevice((DeviceIntPtr)xf86Info.pKeyboard);
+    pInfo = xf86InputDevs;
+    while (pInfo) {
+      DisableDevice(pInfo->dev);
+      pInfo = pInfo->next;
+    }
+#endif /* !__UNIXOS2__ */
+    xf86EnterServerState(SETUP);
+    for (i = 0; i < xf86NumScreens; i++)
+	xf86Screens[i]->LeaveVT(i, 0);
+
+    for (ih = InputHandlers; ih; ih = ih->next)
+      xf86DisableInputHandler(ih);
+    xf86AccessLeave();      /* We need this here, otherwise */
+    xf86AccessLeaveState(); /* console won't be restored    */
+
+    if (!xf86VTSwitchAway()) {
+      /*
+       * switch failed 
+       */
+
+#ifdef DEBUG
+      ErrorF("xf86VTSwitch: Leave failed\n");
+#endif
+      prevSIGIO = xf86BlockSIGIO();
+      xf86AccessEnter();
+      xf86EnterServerState(SETUP);
+      for (i = 0; i < xf86NumScreens; i++) {
+	if (!xf86Screens[i]->EnterVT(i, 0))
+	  FatalError("EnterVT failed for screen %d\n", i);
+      }
+      xf86EnterServerState(OPERATING);
+      if (!(dispatchException & DE_TERMINATE)) {
+	for (i = 0; i < xf86NumScreens; i++) {
+	  if (xf86Screens[i]->EnableDisableFBAccess)
+	    (*xf86Screens[i]->EnableDisableFBAccess) (i, TRUE);
+	}
+      }
+      SaveScreens(SCREEN_SAVER_FORCER, ScreenSaverReset);
+
+#if !defined(__UNIXOS2__)
+      EnableDevice((DeviceIntPtr)xf86Info.pKeyboard);
+      pInfo = xf86InputDevs;
+      while (pInfo) {
+	EnableDevice(pInfo->dev);
+	pInfo = pInfo->next;
+      }
+#endif /* !__UNIXOS2__ */
+      for (ih = InputHandlers; ih; ih = ih->next)
+        xf86EnableInputHandler(ih);
+
+      xf86UnblockSIGIO(prevSIGIO);
+
+    } else {
+#ifdef XF86PM
+	  if (xf86OSPMClose)
+	      xf86OSPMClose();
+	  xf86OSPMClose = NULL;
+#endif
+
+	for (i = 0; i < xf86NumScreens; i++) {
+ 	    /*
+ 	     * zero all access functions to
+ 	     * trap calls when switched away.
+ 	     */
+	    xf86Screens[i]->vtSema = FALSE;
+	    xf86Screens[i]->access = NULL;
+	    xf86Screens[i]->busAccess = NULL;
+	}
+	if (xorgHWAccess)
+	    xf86DisableIO();
+    }
+  } else {
+
+#ifdef DEBUG
+    ErrorF("xf86VTSwitch: Entering\n");
+#endif
+    if (!xf86VTSwitchTo()) return;
+
+    prevSIGIO = xf86BlockSIGIO();
+#ifdef XF86PM
+    xf86OSPMClose = xf86OSPMOpen();
+#endif
+
+    if (xorgHWAccess)
+	xf86EnableIO();
+    xf86AccessEnter();
+    xf86EnterServerState(SETUP);
+    for (i = 0; i < xf86NumScreens; i++) {
+      xf86Screens[i]->vtSema = TRUE;
+      if (!xf86Screens[i]->EnterVT(i, 0))
+	  FatalError("EnterVT failed for screen %d\n", i);
+    }
+    xf86EnterServerState(OPERATING);
+    for (i = 0; i < xf86NumScreens; i++) {
+      if (xf86Screens[i]->EnableDisableFBAccess)
+	(*xf86Screens[i]->EnableDisableFBAccess)(i, TRUE);
+    }
+
+    /* Turn screen saver off when switching back */
+    SaveScreens(SCREEN_SAVER_FORCER,ScreenSaverReset);
+
+#if !defined(__UNIXOS2__)
+    EnableDevice((DeviceIntPtr)xf86Info.pKeyboard);
+    pInfo = xf86InputDevs;
+    while (pInfo) {
+      EnableDevice(pInfo->dev);
+      pInfo = pInfo->next;
+    }
+#endif /* !__UNIXOS2__ */
+    
+    for (ih = InputHandlers; ih; ih = ih->next)
+      xf86EnableInputHandler(ih);
+
+    xf86UnblockSIGIO(prevSIGIO);
+  }
+}
+
+
+/* Input handler registration */
+
+pointer
+xf86AddInputHandler(int fd, InputHandlerProc proc, pointer data)
+{
+    IHPtr ih;
+
+    if (fd < 0 || !proc)
+	return NULL;
+
+    ih = xcalloc(sizeof(*ih), 1);
+    if (!ih)
+	return NULL;
+
+    ih->fd = fd;
+    ih->ihproc = proc;
+    ih->data = data;
+    ih->enabled = TRUE;
+
+    ih->next = InputHandlers;
+    InputHandlers = ih;
+
+    AddEnabledDevice(fd);
+
+    return ih;
+}
+
+int
+xf86RemoveInputHandler(pointer handler)
+{
+    IHPtr ih, p;
+    int fd;
+    
+    if (!handler)
+	return -1;
+
+    ih = handler;
+    fd = ih->fd;
+    
+    if (ih->fd >= 0)
+	RemoveEnabledDevice(ih->fd);
+
+    if (ih == InputHandlers)
+	InputHandlers = ih->next;
+    else {
+	p = InputHandlers;
+	while (p && p->next != ih)
+	    p = p->next;
+	if (ih)
+	    p->next = ih->next;
+    }
+    xfree(ih);
+    return fd;
+}
+
+void
+xf86DisableInputHandler(pointer handler)
+{
+    IHPtr ih;
+
+    if (!handler)
+	return;
+
+    ih = handler;
+    ih->enabled = FALSE;
+    if (ih->fd >= 0)
+	RemoveEnabledDevice(ih->fd);
+}
+
+void
+xf86EnableInputHandler(pointer handler)
+{
+    IHPtr ih;
+
+    if (!handler)
+	return;
+
+    ih = handler;
+    ih->enabled = TRUE;
+    if (ih->fd >= 0)
+	AddEnabledDevice(ih->fd);
+}
+
+/*
+ * As used currently by the DRI, the return value is ignored.
+ */
+Bool
+xf86EnableVTSwitch(Bool new)
+{
+    static Bool def = TRUE;
+    Bool old;
+
+    old = VTSwitchEnabled;
+    if (!new) {
+	/* Disable VT switching */
+	def = VTSwitchEnabled;
+	VTSwitchEnabled = FALSE;
+    } else {
+	/* Restore VT switching to default */
+	VTSwitchEnabled = def;
+    }
+    return old;
+}
+
+#ifdef XTESTEXT1
+
+void
+XTestGetPointerPos(short *fmousex, short *fmousey)
+{
+  int x,y;
+
+  miPointerPosition(&x, &y);
+  *fmousex = x;
+  *fmousey = y;
+}
+
+
+
+void
+XTestJumpPointer(int jx, int jy, int dev_type)
+{
+  miPointerAbsoluteCursor(jx, jy, GetTimeInMillis() );
+}
+
+void
+XTestGenerateEvent(int dev_type, int keycode, int keystate, int mousex,
+		   int mousey)
+{
+  xEvent tevent;
+  
+  tevent.u.u.type = (dev_type == XE_POINTER) ?
+    (keystate == XTestKEY_UP) ? ButtonRelease : ButtonPress :
+      (keystate == XTestKEY_UP) ? KeyRelease : KeyPress;
+  tevent.u.u.detail = keycode;
+  tevent.u.keyButtonPointer.rootX = mousex;
+  tevent.u.keyButtonPointer.rootY = mousey;
+  tevent.u.keyButtonPointer.time = xf86Info.lastEventTime = GetTimeInMillis();
+#ifdef XINPUT
+  xf86eqEnqueue(&tevent);
+#else
+  mieqEnqueue(&tevent);
+#endif
+  xf86Info.inputPending = TRUE;               /* virtual event */
+}
+
+#endif /* XTESTEXT1 */
+
+void
+xf86ReloadInputDevs(int sig)
+{
+  InputInfoPtr pInfo;
+  
+  signal(sig, (void(*)(int))xf86ReloadInputDevs);
+
+  DisableDevice((DeviceIntPtr)xf86Info.pKeyboard);
+  EnableDevice((DeviceIntPtr)xf86Info.pKeyboard);
+
+  pInfo = xf86InputDevs;
+  while (pInfo) {
+    DisableDevice(pInfo->dev);
+    EnableDevice(pInfo->dev);
+    pInfo = pInfo->next;
+  }
+  
+  return;
+}
+
+#ifdef WSCONS_SUPPORT
+
+/* XXX Currently XKB is mandatory. */
+
+extern int WSKbdToKeycode(int);
+
+void
+xf86PostWSKbdEvent(struct wscons_event *event)
+{
+  int type = event->type;
+  int value = event->value;
+  unsigned int keycode;
+  int blocked;
+  
+  if (type == WSCONS_EVENT_KEY_UP || type == WSCONS_EVENT_KEY_DOWN) {
+    Bool down = (type == WSCONS_EVENT_KEY_DOWN ? TRUE : FALSE);
+
+    /* map the scancodes to standard XFree86 scancode */  	
+    keycode = WSKbdToKeycode(value);
+    if (!down) keycode |= 0x80;
+    /* It seems better to block SIGIO there */
+    blocked = xf86BlockSIGIO();
+    xf86PostKbdEvent(keycode);
+    xf86UnblockSIGIO(blocked);
+  }
+}
+#endif /* WSCONS_SUPPORT */