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+/*
+ (c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
+ (c) Copyright 2000-2004 Convergence (integrated media) GmbH
+
+ All rights reserved.
+
+ Written by Denis Oliver Kropp <dok@directfb.org>,
+ Andreas Hundt <andi@fischlustig.de>,
+ Sven Neumann <neo@directfb.org>,
+ Ville Syrjälä <syrjala@sci.fi> and
+ Claudio Ciccani <klan@users.sf.net>.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+#ifndef __VT_H__
+#define __VT_H__
+
+#include <signal.h>
+#include <termios.h>
+#include <unistd.h>
+#include <linux/vt.h>
+
+#include <directfb.h>
+
+typedef struct {
+ int fd0; /* file descriptor of /dev/tty0 */
+ int fd; /* file descriptor of /dev/ttyN
+ where N is the number of the allocated VT,
+ may be equal to 'fd0' if VT allocation
+ is disabled by "--no-vt-switch" */
+
+ int num; /* number of vt where DirectFB runs */
+ int prev; /* number of vt DirectFB was started from */
+
+ int old_fb; /* original fb mapped to vt */
+
+ struct sigaction sig_usr1; /* previous signal handler for USR1 */
+ struct sigaction sig_usr2; /* previous signal handler for USR2 */
+
+ struct vt_mode vt_mode; /* previous VT mode */
+
+ DirectThread *thread;
+ pthread_mutex_t lock;
+ pthread_cond_t wait;
+
+ int vt_sig;
+ struct termios old_ts;
+
+ bool flush;
+ DirectThread *flush_thread;
+} VirtualTerminal;
+
+/*
+ * allocates and switches to a new virtual terminal
+ */
+DFBResult dfb_vt_initialize( void );
+DFBResult dfb_vt_join( void );
+
+/*
+ * deallocates virtual terminal
+ */
+DFBResult dfb_vt_shutdown( bool emergency );
+DFBResult dfb_vt_leave( bool emergency );
+
+DFBResult dfb_vt_detach( bool force );
+
+bool dfb_vt_switch( int num );
+
+#endif