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/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/shared/VTsw_usl.c,v 3.1.4.1 1998/06/05 16:23:21 dawes Exp $ */
/*
* Copyright 1993 by David Wexelblat <dwex@XFree86.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 name of David Wexelblat not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. David Wexelblat makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL 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: VTsw_usl.c /main/3 1996/02/21 17:53:28 kaleb $ */
#include <X11/X.h>
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86_OSlib.h"
#ifdef OSHEADER
# include OSHEADER
#endif
/*
* Handle the VT-switching interface for OSs that use USL-style ioctl()s
* (the sysv, sco, and linux subdirs).
*/
/*
* This function is the signal handler for the VT-switching signal. It
* is only referenced inside the OS-support layer.
*/
void
xf86VTRequest(int sig)
{
signal(sig, (void(*)(int))xf86VTRequest);
xf86Info.vtRequestsPending = TRUE;
return;
}
Bool
xf86VTSwitchPending()
{
return(xf86Info.vtRequestsPending ? TRUE : FALSE);
}
Bool
xf86VTSwitchAway()
{
xf86Info.vtRequestsPending = FALSE;
if (ioctl(xf86Info.consoleFd, VT_RELDISP, 1) < 0)
{
return(FALSE);
}
else
{
#ifdef OSSWITCHAWAY
OSSWITCHAWAY;
#endif
return(TRUE);
}
}
Bool
xf86VTSwitchTo()
{
xf86Info.vtRequestsPending = FALSE;
if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0)
{
return(FALSE);
}
else
{
return(TRUE);
}
}
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