diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/dgux/dgux_init.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/dgux/dgux_init.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/dgux/dgux_init.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/dgux/dgux_init.c new file mode 100644 index 000000000..b7282a004 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/dgux/dgux_init.c @@ -0,0 +1,182 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/dgux/dgux_init.c,v 1.1 1998/12/13 07:37:46 dawes Exp $ */ +/* + * INTEL DG/UX RELEASE 4.20 MU03 + * Copyright 1997 Takis Psarogiannakopoulos Cambridge,UK + * <takis@dpmms.cam.ac.uk> + * + * 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. + * XCONSORTIUM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE. + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FITNESS, IN NO EVENT SHALL XCONSORTIUM 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 "input.h" +#include "scrnintstr.h" + +#include "compiler.h" + +#include "xf86.h" +#include "xf86Procs.h" +#include "xf86_OSlib.h" + +static Bool KeepTty = FALSE; +static Bool Protect0 = FALSE; +static int VTnum = -1; + +extern void xf86VTRequest( + int +); + +void xf86OpenConsole() +{ + int i; + int fd; + char vtname[14]; + + if (serverGeneration == 1) + { + /* check if we're run with euid==0 */ + if (geteuid() != 0) + { + FatalError("xf86OpenConsole: Server must be suid root\n"); + } + if (Protect0) + { + int fd = -1; + + if ((fd = open("/dev/zero", O_RDONLY, 0)) < 0) + { + ErrorF("xf86OpenConsole: cannot open /dev/zero (%s)\n", + strerror(errno)); + } + else + { + if ((int)mmap(0, 0x1000, PROT_NONE, + MAP_FIXED | MAP_SHARED, fd, 0) == -1) + { + ErrorF("xf86OpenConsole: failed to protect page 0 (%s)\n", + strerror(errno)); + } + close(fd); + } + } + if (VTnum != -1) + { + xf86Info.vtno = VTnum; + } + else + { + if ((fd = open("/dev/console",O_WRONLY,0)) < 0) + { + FatalError( + "xf86OpenConsole: Cannot open system tty (/dev/console), (%s)\n", + strerror(errno)); + } + close(fd); + } + xf86Info.vtno=0; + ErrorF(" (Intel DG/ux: using VT number: systty%d)\n\n", xf86Info.vtno); + + sprintf(vtname,"/dev/console"); + + xf86Config(FALSE); /* Read XF86Config */ + + if (!KeepTty) + { + setpgrp(); + } + + if ((xf86Info.consoleFd = open("/dev/console", O_RDWR|O_NDELAY, 0)) < 0) + { + FatalError("xf86OpenConsole: Cannot open %s (%s)\n", + vtname, strerror(errno)); + } + + + + if ((xf86Info.kbdFd = open("/dev/keybd", O_RDONLY|O_NDELAY, 0)) < 0) + { + FatalError("xf86OpenConsole: Cannot open keyboard (/dev/keybd), (%s)\n", strerror(errno)); + } + /* change ownerships and Grab all other system consoles */ + chown(vtname, getuid(), getgid()); + chown("/dev/syscon", getuid(), getgid()); + chown("/dev/systty", getuid(), getgid()); + 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); + } + } + } + else + { + /* serverGeneration != 1 */ + if (!xf86VTSema) + sleep(5); + } + return; +} + +void xf86CloseConsole() +{ + close(xf86Info.kbdFd); /* Close the keyboard */ + close(xf86Info.consoleFd); /* Close the system console */ + return; +} + +int xf86ProcessArgument(argc, argv, i) +int argc; +char *argv[]; +int i; +{ + if (!strcmp(argv[i], "-keeptty")) + { + KeepTty = TRUE; + return(1); + } + if (!strcmp(argv[i], "-protect0")) + { + Protect0 = 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("-keeptty "); + ErrorF("don't detach controlling tty (for debugging only)\n"); + return; +} |