diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/linux/lnx_init.c')
-rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/linux/lnx_init.c | 415 |
1 files changed, 0 insertions, 415 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/linux/lnx_init.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/linux/lnx_init.c deleted file mode 100644 index 1eb0f33fe..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/os-support/linux/lnx_init.c +++ /dev/null @@ -1,415 +0,0 @@ -/* $XdotOrg: xc/programs/Xserver/hw/xfree86/os-support/linux/lnx_init.c,v 1.9 2005/08/26 07:35:55 daniels Exp $ */ -/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/lnx_init.c,v 3.14 2001/10/31 22:50:30 tsi Exp $ */ -/* - * 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. - * - */ -/* $XConsortium: lnx_init.c /main/7 1996/10/23 18:46:30 kaleb $ */ - -#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 "lnx.h" - -#include <sys/stat.h> - -#ifdef USE_DEV_FB -extern char *getenv(const char *); -#include <linux/fb.h> -char *fb_dev_name; -#endif - -static Bool KeepTty = FALSE; -static int VTnum = -1; -static Bool VTSwitch = TRUE; -static Bool ShareVTs = FALSE; -static int activeVT = -1; - -static int vtPermSave[4]; -static char vtname[11]; - -static int -saveVtPerms(void) -{ - /* We need to use stat to get permissions. */ - struct stat svtp; - - /* Do them numerically ordered, hard coded tty0 first. */ - if (stat("/dev/tty0", &svtp) != 0) - return 0; - vtPermSave[0] = (int)svtp.st_uid; - vtPermSave[1] = (int)svtp.st_gid; - - /* Now check the console we are dealing with. */ - if (stat(vtname, &svtp) != 0) - return 0; - vtPermSave[2] = (int)svtp.st_uid; - vtPermSave[3] = (int)svtp.st_gid; - - return 1; -} - -static void -restoreVtPerms(void) -{ - /* Set the terminal permissions back to before we started. */ - chown("/dev/tty0", vtPermSave[0], vtPermSave[1]); - chown(vtname, vtPermSave[2], vtPermSave[3]); -} - -void -xf86OpenConsole(void) -{ - int i, fd = -1; - struct vt_mode VT; - struct vt_stat vts; - MessageType from = X_PROBED; -#ifdef USE_DEV_FB - struct fb_var_screeninfo var; - int fbfd; -#endif - 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 (VTnum != -1) { - xf86Info.vtno = VTnum; - 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); - } - -#ifdef USE_DEV_FB - if (!ShareVTs) - { - fb_dev_name=getenv("FRAMEBUFFER"); - if (!fb_dev_name) - fb_dev_name="/dev/fb0current"; - - if ((fbfd = open(fb_dev_name, O_RDONLY)) < 0) - FatalError("xf86OpenConsole: Cannot open %s (%s)\n", - fb_dev_name, strerror(errno)); - - if (ioctl(fbfd, FBIOGET_VSCREENINFO, &var) < 0) - FatalError("xf86OpenConsole: Unable to get screen info %s\n", - strerror(errno)); - } -#endif - 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)); - - if (!ShareVTs) - { - /* - * Grab the vt ownership before we overwrite it. - * Hard coded /dev/tty0 into this function as well for below. - */ - if (!saveVtPerms()) - xf86Msg(X_WARNING, - "xf86OpenConsole: Could not save ownership of VT\n"); - - /* change ownership of the vt */ - if (chown(vtname, getuid(), getgid()) < 0) - xf86Msg(X_WARNING,"xf86OpenConsole: chown %s failed: %s\n", - vtname, strerror(errno)); - - /* - * the current VT device we're running on is not "console", we want - * to grab all consoles too - * - * Why is this needed?? - */ - if (chown("/dev/tty0", getuid(), getgid()) < 0) - xf86Msg(X_WARNING,"xf86OpenConsole: chown /dev/tty0 failed: %s\n", - 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) - { -#if defined(DO_OS_FONTRESTORE) - lnx_savefont(); -#endif - /* - * now get the VT - */ - if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) < 0) - xf86Msg(X_WARNING, "xf86OpenConsole: VT_ACTIVATE failed: %s\n", - strerror(errno)); - - if (ioctl(xf86Info.consoleFd, VT_WAITACTIVE, xf86Info.vtno) < 0) - xf86Msg(X_WARNING, "xf86OpenConsole: VT_WAITACTIVE failed: %s\n", - strerror(errno)); - - 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)); - - /* we really should have a InitOSInputDevices() function instead - * of Init?$#*&Device(). So I just place it here */ - -#ifdef USE_DEV_FB - /* copy info to new console */ - var.yoffset=0; - var.xoffset=0; - if (ioctl(fbfd, FBIOPUT_VSCREENINFO, &var)) - FatalError("Unable to set screen info\n"); - close(fbfd); -#endif - } else { /* ShareVTs */ - close(xf86Info.consoleFd); - } - signal(SIGUSR2, xf86ReloadInputDevs); - } else { /* serverGeneration != 1 */ - if (!ShareVTs && VTSwitch) - { - /* - * now get the VT - */ - if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) < 0) - xf86Msg(X_WARNING, "xf86OpenConsole: VT_ACTIVATE failed %s\n", - strerror(errno)); - } - - if (ioctl(xf86Info.consoleFd, VT_WAITACTIVE, xf86Info.vtno) < 0) - xf86Msg(X_WARNING, "xf86OpenConsole: VT_WAITACTIVE failed %s\n", - strerror(errno)); - } - return; -} - -void -xf86CloseConsole() -{ - struct vt_mode VT; -#if defined(DO_OS_FONTRESTORE) - struct vt_stat vts; - int vtno = -1; -#endif - - if (ShareVTs) return; - -#if defined(DO_OS_FONTRESTORE) - if (ioctl(xf86Info.consoleFd, VT_GETSTATE, &vts) < 0) - xf86Msg(X_WARNING, "xf86CloseConsole: VT_GETSTATE failed: %s\n", - strerror(errno)); - else - vtno = vts.v_active; -#endif - - /* Back to text mode ... */ - if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT) < 0) - xf86Msg(X_WARNING, "xf86CloseConsole: KDSETMODE failed: %s\n", - strerror(errno)); - - 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) { - if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, activeVT) < 0) - xf86Msg(X_WARNING, "xf86CloseConsole: VT_ACTIVATE failed: %s\n", - strerror(errno)); - activeVT = -1; - } - -#if defined(DO_OS_FONTRESTORE) - if (xf86Info.vtno == vtno) /* check if we are active */ - lnx_restorefont(); - lnx_freefontdata(); -#endif - } - close(xf86Info.consoleFd); /* make the vt-manager happy */ - - restoreVtPerms(); /* restore the permissions */ - - return; -} - -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", &VTnum) == 0) - { - UseMsg(); - VTnum = -1; - return(0); - } - return(1); - } - return(0); -} - -void -xf86UseMsg() -{ - 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"); - return; -} |