summaryrefslogtreecommitdiff
path: root/daemon/getvt.c
diff options
context:
space:
mode:
Diffstat (limited to 'daemon/getvt.c')
-rw-r--r--daemon/getvt.c408
1 files changed, 0 insertions, 408 deletions
diff --git a/daemon/getvt.c b/daemon/getvt.c
deleted file mode 100644
index 569ff773..00000000
--- a/daemon/getvt.c
+++ /dev/null
@@ -1,408 +0,0 @@
-/* GDM - The GNOME Display Manager
- * Copyright (C) 1998, 1999, 2000 Martin K. Petersen <mkp@mkp.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include "config.h"
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <errno.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-
-#include <X11/Xlib.h>
-#include <X11/Xatom.h>
-
-#include "gdm.h"
-#include "misc.h"
-#include "getvt.h"
-#include "display.h"
-
-#include "gdm-common.h"
-#include "gdm-daemon-config.h"
-#include "gdm-log.h"
-
-/*
- * Get the VT number associated with the display via the XFree86_VT
- * Atom.
- */
-long
-gdm_get_current_vtnum (Display *display)
-{
- Atom prop;
- Atom actualtype;
- int actualformat;
- unsigned long nitems;
- unsigned long bytes_after;
- unsigned char *buf;
- unsigned long num;
-
- prop = XInternAtom (display, "XFree86_VT", False);
- if (prop == None) {
- gdm_debug ("no XFree86_VT atom\n");
- return -1;
- }
- if (XGetWindowProperty (display, DefaultRootWindow (display), prop, 0, 1,
- False, AnyPropertyType, &actualtype, &actualformat,
- &nitems, &bytes_after, &buf)) {
- gdm_debug ("no XFree86_VT property\n");
- return -1;
- }
- if (nitems != 1) {
- gdm_debug ("%lu items in XFree86_VT property!\n", nitems);
- XFree (buf);
- return -1;
- }
-
- switch (actualtype) {
- case XA_CARDINAL:
- case XA_INTEGER:
- case XA_WINDOW:
- switch (actualformat) {
- case 8:
- num = (*(uint8_t *)(void *)buf);
- break;
- case 16:
- num = (*(uint16_t *)(void *)buf);
- break;
- case 32:
- num = (*(uint32_t *)(void *)buf);
- break;
- default:
- gdm_debug ("format %d in XFree86_VT property!\n", actualformat);
- XFree (buf);
- return -1;
- }
- break;
- default:
- gdm_debug ("type %lx in XFree86_VT property!\n", actualtype);
- XFree (buf);
- return -1;
- }
- XFree (buf);
- return num;
-}
-
-#if defined (GDM_USE_SYS_VT)
-#include <sys/vt.h>
-#elif defined (GDM_USE_CONSIO_VT)
-#include <sys/consio.h>
-
-static const char*
-__itovty (int val)
-{
- static char str[8];
- char* next = str + sizeof (str) - 1;
-
- *next = '\0';
- do {
- *--next = "0123456789abcdefghigklmnopqrstuv"[val % 32];
- } while (val /= 32);
-
- return next;
-}
-#endif
-
-
-gchar *
-gdm_get_vt_device (int vtno)
-{
- gchar *vtname = NULL;
-
-#if defined (GDM_USE_SYS_VT)
-#ifdef __sun
- vtname = g_strdup_printf ("/dev/vt/%d", vtno);
-#else
- vtname = g_strdup_printf ("/dev/tty%d", vtno);
-#endif
-#elif defined (GDM_USE_CONSIO_VT)
- vtname = g_strdup_printf ("/dev/ttyv%s", __itovty (vtno - 1));
-#endif
-
- return vtname;
-}
-
-#if defined (GDM_USE_SYS_VT) || defined (GDM_USE_CONSIO_VT)
-
-#ifdef __sun
-#define GDMCONSOLEDEVICE "/dev/vt/0"
-#else
-#define GDMCONSOLEDEVICE "/dev/console"
-#endif
-
-
-static int
-open_vt (int vtno)
-{
- char *vtname = NULL;
- int fd = -1;
-
- vtname = gdm_get_vt_device (vtno);
-
- do {
- errno = 0;
- fd = open (vtname, O_RDWR
-#ifdef O_NOCTTY
- |O_NOCTTY
-#endif
- , 0);
- } while G_UNLIKELY (errno == EINTR);
-
- g_free (vtname);
-
- return fd;
-}
-
-#if defined (GDM_USE_SYS_VT)
-
-static int
-get_free_vt_sys (int *vtfd)
-{
- int fd, fdv;
- int vtno;
- unsigned short vtmask;
- struct vt_stat vtstat;
-
- *vtfd = -1;
-
- do {
- errno = 0;
- fd = open (GDMCONSOLEDEVICE,
- O_WRONLY
-#ifdef O_NOCTTY
- |O_NOCTTY
-#endif
- , 0);
- } while G_UNLIKELY (errno == EINTR);
- if (fd < 0)
- return -1;
-
- if (ioctl (fd, VT_GETSTATE, &vtstat) < 0) {
- VE_IGNORE_EINTR (close (fd));
- return -1;
- }
-
- for (vtno = gdm_daemon_config_get_value_int (GDM_KEY_FIRST_VT), vtmask = 1 << vtno;
- vtstat.v_state & vtmask; vtno++, vtmask <<= 1);
- if (!vtmask) {
- VE_IGNORE_EINTR (close (fd));
- return -1;
- }
-
- fdv = open_vt (vtno);
- if (fdv < 0) {
- VE_IGNORE_EINTR (close (fd));
- return -1;
- }
- *vtfd = fdv;
- return vtno;
-}
-
-#elif defined (GDM_USE_CONSIO_VT)
-
-static int
-get_free_vt_consio (int *vtfd)
-{
- int fd, fdv;
- int vtno;
- GList *to_close_vts = NULL, *li;
-
- *vtfd = -1;
-
- do {
- errno = 0;
- fd = open (GDMCONSOLEDEVICE,
- O_WRONLY
-#ifdef O_NOCTTY
- |O_NOCTTY
-#endif
- , 0);
- } while G_UNLIKELY (errno == EINTR);
- if (fd < 0)
- return -1;
-
- if ((ioctl (fd, VT_OPENQRY, &vtno) < 0) || (vtno == -1)) {
- VE_IGNORE_EINTR (close (fd));
- return -1;
- }
-
- fdv = open_vt (vtno);
- if (fdv < 0) {
- VE_IGNORE_EINTR (close (fd));
- return -1;
- }
-
- while (vtno < gdm_daemon_config_get_value_int (GDM_KEY_FIRST_VT)) {
- int oldvt = vtno;
- to_close_vts = g_list_prepend (to_close_vts,
- GINT_TO_POINTER (fdv));
-
- if (ioctl (fd, VT_OPENQRY, &vtno) == -1) {
- vtno = -1;
- goto cleanup;
- }
-
- if (oldvt == vtno) {
- vtno = -1;
- goto cleanup;
- }
-
- fdv = open_vt (vtno);
- if (fdv < 0) {
- vtno = -1;
- goto cleanup;
- }
- }
-
- *vtfd = fdv;
-
-cleanup:
- for (li = to_close_vts; li != NULL; li = li->next) {
- VE_IGNORE_EINTR (close (GPOINTER_TO_INT (li->data)));
- }
- return vtno;
-}
-
-#endif
-
-char *
-gdm_get_empty_vt_argument (int *fd, int *vt)
-{
- if ( ! gdm_daemon_config_get_value_bool (GDM_KEY_VT_ALLOCATION)) {
- *fd = -1;
- return NULL;
- }
-
-#if defined (GDM_USE_SYS_VT)
- *vt = get_free_vt_sys (fd);
-#elif defined (GDM_USE_CONSIO_VT)
- *vt = get_free_vt_consio (fd);
-#endif
-
- if (*vt < 0)
- return NULL;
- else
- return g_strdup_printf ("vt%d", *vt);
-}
-
-/* change to an existing vt */
-void
-gdm_change_vt (int vt)
-{
- int fd;
- int rc;
- if (vt < 0)
- return;
-
- do {
- errno = 0;
- fd = open (GDMCONSOLEDEVICE,
- O_WRONLY
-#ifdef O_NOCTTY
- |O_NOCTTY
-#endif
- , 0);
- } while G_UNLIKELY (errno == EINTR);
- if (fd < 0)
- return;
-
- rc = ioctl (fd, VT_ACTIVATE, vt);
- rc = ioctl (fd, VT_WAITACTIVE, vt);
-
- VE_IGNORE_EINTR (close (fd));
-}
-
-int
-gdm_get_current_vt (void)
-{
-#if defined (GDM_USE_SYS_VT)
- struct vt_stat s;
-#elif defined (GDM_USE_CONSIO_VT)
- int vtno;
-#endif
- int fd;
-
- do {
- errno = 0;
- fd = open (GDMCONSOLEDEVICE,
- O_WRONLY
-#ifdef O_NOCTTY
- |O_NOCTTY
-#endif
- , 0);
- } while G_UNLIKELY (errno == EINTR);
- if (fd < 0)
- return -1;
-#if defined (GDM_USE_SYS_VT)
- ioctl (fd, VT_GETSTATE, &s);
-
- VE_IGNORE_EINTR (close (fd));
-
- /* debug */
- /*
- printf ("current_Active %d\n", (int)s.v_active);
- */
-
- return s.v_active;
-#elif defined (GDM_USE_CONSIO_VT)
- if (ioctl (fd, VT_GETACTIVE, &vtno) == -1) {
- VE_IGNORE_EINTR (close (fd));
- return -1;
- }
-
-VE_IGNORE_EINTR (close (fd));
-
- /* debug */
- /*
- printf ("current_Active %d\n", vtno);
- */
-
- return vtno;
-#endif
-}
-
-#else /* GDM_USE_SYS_VT || GDM_USE_CONSIO_VT - Here this is just
- * a stub, we do not know how to support this on other
- * platforms
- */
-
-char *
-gdm_get_empty_vt_argument (int *fd, int *vt)
-{
- *fd = -1;
- *vt = -1;
- return NULL;
-}
-
-void
-gdm_change_vt (int vt)
-{
- return;
-}
-
-int
-gdm_get_current_vt (void)
-{
- return -1;
-}
-
-#endif
View Lorry Controller Status