1 files changed, 345 insertions, 330 deletions
diff --git a/xorg-server/hw/xfree86/os-support/linux/lnx_init.c b/xorg-server/hw/xfree86/os-support/linux/lnx_init.c
index d1f29d909..77dfb2f16 100644
--- a/xorg-server/hw/xfree86/os-support/linux/lnx_init.c
+++ b/xorg-server/hw/xfree86/os-support/linux/lnx_init.c
@@ -1,330 +1,345 @@
-/*
- * Copyright 1992 by Orest Zborowski <obz@Kodak.com>
- * Copyright 1993 by David Wexelblat <dwex@goblin.org>
- *
- * 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 names of Orest Zborowski and David Wexelblat
- * not be used in advertising or publicity pertaining to distribution of
- * the software without specific, written prior permission.  Orest Zborowski
- * and David Wexelblat make no representations about the suitability of this
- * software for any purpose.  It is provided "as is" without express or
- * implied warranty.
- *
- * OREST ZBOROWSKI AND DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD
- * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL OREST ZBOROWSKI OR DAVID WEXELBLAT 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.
- *
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xmd.h>
-
-#include "compiler.h"
-
-#include "xf86.h"
-#include "xf86Priv.h"
-#include "xf86_OSlib.h"
-
-#include <sys/stat.h>
-
-static Bool KeepTty = FALSE;
-static Bool VTSwitch = TRUE;
-static Bool ShareVTs = FALSE;
-static int activeVT = -1;
-
-static char vtname[11];
-static struct termios tty_attr; /* tty state to restore */
-static int tty_mode; /* kbd mode to restore */
-
-static void *console_handler;
-
-static void
-drain_console(int fd, void *closure)
-{
-    errno = 0;
-    if (tcflush(fd, TCIOFLUSH) == -1 && errno == EIO) {
-	xf86RemoveGeneralHandler(console_handler);
-	console_handler = NULL;
-    }
-}
-
-static void
-switch_to(int vt, const char *from)
-{
-    if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vt) < 0)
-        FatalError("%s: VT_ACTIVATE failed: %s\n", from, strerror(errno));
-
-    if (ioctl(xf86Info.consoleFd, VT_WAITACTIVE, vt) < 0)
-        FatalError("%s: VT_WAITACTIVE failed: %s\n", from, strerror(errno));
-}
-
-void
-xf86OpenConsole(void)
-{
-    int i, fd = -1;
-    struct vt_mode VT;
-    struct vt_stat vts;
-    MessageType from = X_PROBED;
-    char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL };
-    char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL };
-
-    if (serverGeneration == 1) {
-
-	/* when KeepTty check if we're run with euid==0 */
-	if (KeepTty && geteuid() != 0) 
-	    FatalError("xf86OpenConsole:"
-		       " Server must be suid root for option \"KeepTTY\"\n");
-
-	/*
-	 * setup the virtual terminal manager
-	 */
-	if (xf86Info.vtno != -1) {
-	    from = X_CMDLINE;
-	} else {
-
-	    i=0;
-	    while (tty0[i] != NULL) {
-		if ((fd = open(tty0[i],O_WRONLY,0)) >= 0)
-		  break;
-		i++;
-	    }
-	    
-	    if (fd < 0)
-		FatalError(
-		    "xf86OpenConsole: Cannot open /dev/tty0 (%s)\n",
-		    strerror(errno));
-
-            if (ShareVTs)
-            {
-                if (ioctl(fd, VT_GETSTATE, &vts) == 0)
-                    xf86Info.vtno = vts.v_active;
-                else
-                    FatalError("xf86OpenConsole: Cannot find the current"
-                               " VT (%s)\n", strerror(errno));
-            } else {
-	        if ((ioctl(fd, VT_OPENQRY, &xf86Info.vtno) < 0) ||
-		    (xf86Info.vtno == -1))
-		    FatalError("xf86OpenConsole: Cannot find a free VT: %s\n",
-                               strerror(errno));
-            }
-	    close(fd);
-	}
-
-	xf86Msg(from, "using VT number %d\n\n", xf86Info.vtno);
-
-	if (!KeepTty) {
-	    pid_t ppid = getppid();
-	    pid_t ppgid;
-	    ppgid = getpgid(ppid);
-
-	    /*
-	     * change to parent process group that pgid != pid so
-	     * that setsid() doesn't fail and we become process
-	     * group leader
-	     */
-	    if (setpgid(0,ppgid) < 0)
-		xf86Msg(X_WARNING, "xf86OpenConsole: setpgid failed: %s\n",
-			strerror(errno));
-
-	    /* become process group leader */
-	    if ((setsid() < 0))
-		xf86Msg(X_WARNING, "xf86OpenConsole: setsid failed: %s\n",
-			strerror(errno));
-	}
-
-        i=0;
-        while (vcs[i] != NULL) {
-            sprintf(vtname, vcs[i], xf86Info.vtno); /* /dev/tty1-64 */
-     	    if ((xf86Info.consoleFd = open(vtname, O_RDWR|O_NDELAY, 0)) >= 0)
-		break;
-            i++;
-        }
-
-	if (xf86Info.consoleFd < 0)
-	    FatalError("xf86OpenConsole: Cannot open virtual console"
-		       " %d (%s)\n", xf86Info.vtno, strerror(errno));
-
-	/*
-	 * Linux doesn't switch to an active vt after the last close of a vt,
-	 * so we do this ourselves by remembering which is active now.
-	 */
-	if (ioctl(xf86Info.consoleFd, VT_GETSTATE, &vts) < 0)
-	    xf86Msg(X_WARNING,"xf86OpenConsole: VT_GETSTATE failed: %s\n",
-		    strerror(errno));
-	else
-	    activeVT = vts.v_active;
-
-#if 0
-	if (!KeepTty) {
-	    /*
-	     * Detach from the controlling tty to avoid char loss
-	     */
-	    if ((i = open("/dev/tty",O_RDWR)) >= 0) {
-		ioctl(i, TIOCNOTTY, 0);
-		close(i);
-	    }
-	}
-#endif
-
-        if (!ShareVTs)
-        {
-            struct termios nTty;
-
-	    /*
-	     * now get the VT.  This _must_ succeed, or else fail completely.
-	     */
-            switch_to(xf86Info.vtno, "xf86OpenConsole");
-
-	    if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0)
-	        FatalError("xf86OpenConsole: VT_GETMODE failed %s\n",
-		           strerror(errno));
-
-	    signal(SIGUSR1, xf86VTRequest);
-
-	    VT.mode = VT_PROCESS;
-	    VT.relsig = SIGUSR1;
-	    VT.acqsig = SIGUSR1;
-
-	    if (ioctl(xf86Info.consoleFd, VT_SETMODE, &VT) < 0)
-	        FatalError("xf86OpenConsole: VT_SETMODE VT_PROCESS failed: %s\n",
-		    strerror(errno));
-	
-	    if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0)
-	        FatalError("xf86OpenConsole: KDSETMODE KD_GRAPHICS failed %s\n",
-		           strerror(errno));
-
-            tcgetattr(xf86Info.consoleFd, &tty_attr);
-            ioctl(xf86Info.consoleFd, KDGKBMODE, &tty_mode);
-
-            if (ioctl(xf86Info.consoleFd, KDSKBMODE, K_RAW) < 0)
-                FatalError("xf86OpenConsole: KDSKBMODE K_RAW failed %s\n",
-                        strerror(errno));
-
-            nTty = tty_attr;
-            nTty.c_iflag = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP);
-            nTty.c_oflag = 0;
-            nTty.c_cflag = CREAD | CS8;
-            nTty.c_lflag = 0;
-            nTty.c_cc[VTIME]=0;
-            nTty.c_cc[VMIN]=1;
-            cfsetispeed(&nTty, 9600);
-            cfsetospeed(&nTty, 9600);
-            tcsetattr(xf86Info.consoleFd, TCSANOW, &nTty);
-
-            /* need to keep the buffer clean, else the kernel gets angry */
-	    xf86SetConsoleHandler(drain_console, NULL);
-
-	    /* we really should have a InitOSInputDevices() function instead
-	     * of Init?$#*&Device(). So I just place it here */
-        }
-    } else { 	/* serverGeneration != 1 */
-        if (!ShareVTs && VTSwitch)
-        {
-	    /* now get the VT */
-            switch_to(xf86Info.vtno, "xf86OpenConsole");
-        }
-    }
-}
-
-void
-xf86CloseConsole(void)
-{
-    struct vt_mode   VT;
-
-    if (ShareVTs) {
-        close(xf86Info.consoleFd);
-        return;
-    }
-
-    if (console_handler) {
-	xf86RemoveGeneralHandler(console_handler);
-	console_handler = NULL;
-    };
-
-    /* Back to text mode ... */
-    if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT) < 0)
-	xf86Msg(X_WARNING, "xf86CloseConsole: KDSETMODE failed: %s\n",
-		strerror(errno));
-
-    ioctl(xf86Info.consoleFd, KDSKBMODE, tty_mode);
-    tcsetattr(xf86Info.consoleFd, TCSANOW, &tty_attr);
-
-    if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0) 
-	xf86Msg(X_WARNING, "xf86CloseConsole: VT_GETMODE failed: %s\n",
-		strerror(errno));
-    else {
-	/* set dflt vt handling */
-	VT.mode = VT_AUTO;
-	if (ioctl(xf86Info.consoleFd, VT_SETMODE, &VT) < 0) 
-	    xf86Msg(X_WARNING, "xf86CloseConsole: VT_SETMODE failed: %s\n",
-		    strerror(errno));
-    }
-
-    if (VTSwitch)
-    {
-        /*
-         * Perform a switch back to the active VT when we were started
-         */
-        if (activeVT >= 0) {
-            switch_to(activeVT, "xf86CloseConsole");
-	    activeVT = -1;
-        }
-    }
-    close(xf86Info.consoleFd);	/* make the vt-manager happy */
-}
-
-int
-xf86ProcessArgument(int argc, char *argv[], int i)
-{
-	/*
-	 * Keep server from detaching from controlling tty.  This is useful
-	 * when debugging (so the server can receive keyboard signals.
-	 */
-	if (!strcmp(argv[i], "-keeptty"))
-	{
-		KeepTty = TRUE;
-		return 1;
-	}
-        if (!strcmp(argv[i], "-novtswitch"))
-        {
-                VTSwitch = FALSE;
-                return 1;
-        }
-        if (!strcmp(argv[i], "-sharevts"))
-        {
-                ShareVTs = TRUE;
-                return 1;
-        }
-	if ((argv[i][0] == 'v') && (argv[i][1] == 't'))
-	{
-		if (sscanf(argv[i], "vt%2d", &xf86Info.vtno) == 0)
-		{
-			UseMsg();
-			xf86Info.vtno = -1;
-			return 0;
-		}
-		return 1;
-	}
-	return 0;
-}
-
-void
-xf86UseMsg(void)
-{
-	ErrorF("vtXX                   use the specified VT number\n");
-	ErrorF("-keeptty               ");
-	ErrorF("don't detach controlling tty (for debugging only)\n");
-	ErrorF("-novtswitch            don't immediately switch to new VT\n");
-	ErrorF("-sharevts              share VTs with another X server\n");
-}
+/*
+ * Copyright 1992 by Orest Zborowski <obz@Kodak.com>
+ * Copyright 1993 by David Wexelblat <dwex@goblin.org>
+ *
+ * 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 names of Orest Zborowski and David Wexelblat
+ * not be used in advertising or publicity pertaining to distribution of
+ * the software without specific, written prior permission.  Orest Zborowski
+ * and David Wexelblat make no representations about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or
+ * implied warranty.
+ *
+ * OREST ZBOROWSKI AND DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL OREST ZBOROWSKI OR DAVID WEXELBLAT 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.
+ *
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xmd.h>
+
+#include "compiler.h"
+
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+
+#include <sys/stat.h>
+
+static Bool KeepTty = FALSE;
+static Bool VTSwitch = TRUE;
+static Bool ShareVTs = FALSE;
+static int activeVT = -1;
+
+static char vtname[11];
+static struct termios tty_attr; /* tty state to restore */
+static int tty_mode; /* kbd mode to restore */
+
+static void *console_handler;
+
+static void
+drain_console(int fd, void *closure)
+{
+    errno = 0;
+    if (tcflush(fd, TCIOFLUSH) == -1 && errno == EIO) {
+	xf86RemoveGeneralHandler(console_handler);
+	console_handler = NULL;
+    }
+}
+
+static void
+switch_to(int vt, const char *from)
+{
+    int ret;
+
+    SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_ACTIVATE, vt));
+    if (ret < 0)
+	FatalError("%s: VT_ACTIVATE failed: %s\n", from, strerror(errno));
+
+    SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_WAITACTIVE, vt));
+    if (ret < 0)
+	FatalError("%s: VT_WAITACTIVE failed: %s\n", from, strerror(errno));
+}
+
+void
+xf86OpenConsole(void)
+{
+    int i, fd = -1, ret;
+    struct vt_mode VT;
+    struct vt_stat vts;
+    MessageType from = X_PROBED;
+    char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL };
+    char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL };
+
+    if (serverGeneration == 1) {
+
+	/* when KeepTty check if we're run with euid==0 */
+	if (KeepTty && geteuid() != 0) 
+	    FatalError("xf86OpenConsole:"
+		       " Server must be suid root for option \"KeepTTY\"\n");
+
+	/*
+	 * setup the virtual terminal manager
+	 */
+	if (xf86Info.vtno != -1) {
+	    from = X_CMDLINE;
+	} else {
+
+	    i=0;
+	    while (tty0[i] != NULL) {
+		if ((fd = open(tty0[i],O_WRONLY,0)) >= 0)
+		  break;
+		i++;
+	    }
+	    
+	    if (fd < 0)
+		FatalError(
+		    "xf86OpenConsole: Cannot open /dev/tty0 (%s)\n",
+		    strerror(errno));
+
+            if (ShareVTs)
+            {
+		SYSCALL(ret = ioctl(fd, VT_GETSTATE, &vts));
+		if (ret < 0)
+		    FatalError("xf86OpenConsole: Cannot find the current"
+			       " VT (%s)\n", strerror(errno));
+                xf86Info.vtno = vts.v_active;
+            } else {
+		SYSCALL(ret = ioctl(fd, VT_OPENQRY, &xf86Info.vtno));
+		if (ret < 0)
+		    FatalError("xf86OpenConsole: Cannot find a free VT: "
+			       "%s\n", strerror(errno));
+		if (xf86Info.vtno == -1)
+		    FatalError("xf86OpenConsole: Cannot find a free VT\n");
+	    }
+	    close(fd);
+	}
+
+	xf86Msg(from, "using VT number %d\n\n", xf86Info.vtno);
+
+	if (!KeepTty) {
+	    pid_t ppid = getppid();
+	    pid_t ppgid;
+	    ppgid = getpgid(ppid);
+
+	    /*
+	     * change to parent process group that pgid != pid so
+	     * that setsid() doesn't fail and we become process
+	     * group leader
+	     */
+	    if (setpgid(0,ppgid) < 0)
+		xf86Msg(X_WARNING, "xf86OpenConsole: setpgid failed: %s\n",
+			strerror(errno));
+
+	    /* become process group leader */
+	    if ((setsid() < 0))
+		xf86Msg(X_WARNING, "xf86OpenConsole: setsid failed: %s\n",
+			strerror(errno));
+	}
+
+        i=0;
+        while (vcs[i] != NULL) {
+            sprintf(vtname, vcs[i], xf86Info.vtno); /* /dev/tty1-64 */
+     	    if ((xf86Info.consoleFd = open(vtname, O_RDWR|O_NDELAY, 0)) >= 0)
+		break;
+            i++;
+        }
+
+	if (xf86Info.consoleFd < 0)
+	    FatalError("xf86OpenConsole: Cannot open virtual console"
+		       " %d (%s)\n", xf86Info.vtno, strerror(errno));
+
+	/*
+	 * Linux doesn't switch to an active vt after the last close of a vt,
+	 * so we do this ourselves by remembering which is active now.
+	 */
+	SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_GETSTATE, &vts));
+	if (ret < 0)
+	    xf86Msg(X_WARNING,"xf86OpenConsole: VT_GETSTATE failed: %s\n",
+		    strerror(errno));
+	else
+	    activeVT = vts.v_active;
+
+#if 0
+	if (!KeepTty) {
+	    /*
+	     * Detach from the controlling tty to avoid char loss
+	     */
+	    if ((i = open("/dev/tty",O_RDWR)) >= 0) {
+		SYSCALL(ioctl(i, TIOCNOTTY, 0));
+		close(i);
+	    }
+	}
+#endif
+
+        if (!ShareVTs)
+        {
+            struct termios nTty;
+
+	    /*
+	     * now get the VT.  This _must_ succeed, or else fail completely.
+	     */
+            switch_to(xf86Info.vtno, "xf86OpenConsole");
+
+	    SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_GETMODE, &VT));
+	    if (ret < 0)
+		FatalError("xf86OpenConsole: VT_GETMODE failed %s\n",
+			   strerror(errno));
+
+	    signal(SIGUSR1, xf86VTRequest);
+
+	    VT.mode = VT_PROCESS;
+	    VT.relsig = SIGUSR1;
+	    VT.acqsig = SIGUSR1;
+
+	    SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_SETMODE, &VT));
+	    if (ret < 0)
+		FatalError("xf86OpenConsole: VT_SETMODE VT_PROCESS failed: %s\n",
+		    strerror(errno));
+
+	    SYSCALL(ret = ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS));
+	    if (ret < 0)
+		FatalError("xf86OpenConsole: KDSETMODE KD_GRAPHICS failed %s\n",
+			   strerror(errno));
+
+            tcgetattr(xf86Info.consoleFd, &tty_attr);
+	    SYSCALL(ioctl(xf86Info.consoleFd, KDGKBMODE, &tty_mode));
+
+	    SYSCALL(ret = ioctl(xf86Info.consoleFd, KDSKBMODE, K_RAW));
+	    if (ret < 0)
+		FatalError("xf86OpenConsole: KDSKBMODE K_RAW failed %s\n",
+			strerror(errno));
+
+            nTty = tty_attr;
+            nTty.c_iflag = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP);
+            nTty.c_oflag = 0;
+            nTty.c_cflag = CREAD | CS8;
+            nTty.c_lflag = 0;
+            nTty.c_cc[VTIME]=0;
+            nTty.c_cc[VMIN]=1;
+            cfsetispeed(&nTty, 9600);
+            cfsetospeed(&nTty, 9600);
+            tcsetattr(xf86Info.consoleFd, TCSANOW, &nTty);
+
+            /* need to keep the buffer clean, else the kernel gets angry */
+	    xf86SetConsoleHandler(drain_console, NULL);
+
+	    /* we really should have a InitOSInputDevices() function instead
+	     * of Init?$#*&Device(). So I just place it here */
+        }
+    } else { 	/* serverGeneration != 1 */
+        if (!ShareVTs && VTSwitch)
+        {
+	    /* now get the VT */
+            switch_to(xf86Info.vtno, "xf86OpenConsole");
+        }
+    }
+}
+
+void
+xf86CloseConsole(void)
+{
+    struct vt_mode   VT;
+    int ret;
+
+    if (ShareVTs) {
+        close(xf86Info.consoleFd);
+        return;
+    }
+
+    if (console_handler) {
+	xf86RemoveGeneralHandler(console_handler);
+	console_handler = NULL;
+    };
+
+    /* Back to text mode ... */
+    SYSCALL(ret = ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT));
+    if (ret < 0)
+	xf86Msg(X_WARNING, "xf86CloseConsole: KDSETMODE failed: %s\n",
+		strerror(errno));
+
+    SYSCALL(ioctl(xf86Info.consoleFd, KDSKBMODE, tty_mode));
+    tcsetattr(xf86Info.consoleFd, TCSANOW, &tty_attr);
+
+    SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_GETMODE, &VT));
+    if (ret < 0)
+	xf86Msg(X_WARNING, "xf86CloseConsole: VT_GETMODE failed: %s\n",
+		strerror(errno));
+    else {
+	/* set dflt vt handling */
+	VT.mode = VT_AUTO;
+	SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_SETMODE, &VT));
+	if (ret < 0)
+	    xf86Msg(X_WARNING, "xf86CloseConsole: VT_SETMODE failed: %s\n",
+		    strerror(errno));
+    }
+
+    if (VTSwitch)
+    {
+        /*
+         * Perform a switch back to the active VT when we were started
+         */
+        if (activeVT >= 0) {
+            switch_to(activeVT, "xf86CloseConsole");
+	    activeVT = -1;
+        }
+    }
+    close(xf86Info.consoleFd);	/* make the vt-manager happy */
+}
+
+int
+xf86ProcessArgument(int argc, char *argv[], int i)
+{
+	/*
+	 * Keep server from detaching from controlling tty.  This is useful
+	 * when debugging (so the server can receive keyboard signals.
+	 */
+	if (!strcmp(argv[i], "-keeptty"))
+	{
+		KeepTty = TRUE;
+		return 1;
+	}
+        if (!strcmp(argv[i], "-novtswitch"))
+        {
+                VTSwitch = FALSE;
+                return 1;
+        }
+        if (!strcmp(argv[i], "-sharevts"))
+        {
+                ShareVTs = TRUE;
+                return 1;
+        }
+	if ((argv[i][0] == 'v') && (argv[i][1] == 't'))
+	{
+		if (sscanf(argv[i], "vt%2d", &xf86Info.vtno) == 0)
+		{
+			UseMsg();
+			xf86Info.vtno = -1;
+			return 0;
+		}
+		return 1;
+	}
+	return 0;
+}
+
+void
+xf86UseMsg(void)
+{
+	ErrorF("vtXX                   use the specified VT number\n");
+	ErrorF("-keeptty               ");
+	ErrorF("don't detach controlling tty (for debugging only)\n");
+	ErrorF("-novtswitch            don't immediately switch to new VT\n");
+	ErrorF("-sharevts              share VTs with another X server\n");
+}