95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/* XFree86: $ */
|
|
/*
|
|
* Copyright 1993 by David Wexelblat <dwex@goblin.org>
|
|
* Copyright 1993 by David McCullough <davidm@stallion.oz.au>
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
/* $Xorg: VTsw_sco.c,v 1.3 2000/08/17 19:51:28 cpqbld Exp $ */
|
|
|
|
#include "X.h"
|
|
#include "input.h"
|
|
#include "scrnintstr.h"
|
|
|
|
#include "xf86.h"
|
|
#include "xf86Priv.h"
|
|
#include "xf86_OSlib.h"
|
|
|
|
/*
|
|
* Handle the VT-switching interface for SCO
|
|
*/
|
|
|
|
/*
|
|
* This function is the signal handler for the VT-switching signal. It
|
|
* is only referenced inside the OS-support layer.
|
|
*/
|
|
void xf86VTRequest(sig)
|
|
int sig;
|
|
{
|
|
signal(sig, (void(*)())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
|
|
{
|
|
return(TRUE);
|
|
}
|
|
}
|
|
|
|
Bool xf86VTSwitchTo()
|
|
{
|
|
xf86Info.vtRequestsPending = FALSE;
|
|
if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0)
|
|
{
|
|
return(FALSE);
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* make sure the console driver thinks the console is in
|
|
* graphics mode. Under mono we have to do the two as the
|
|
* console driver only allows valid modes for the current
|
|
* video card and Herc or vga are the only devices currently
|
|
* supported.
|
|
*/
|
|
if (ioctl(xf86Info.consoleFd, SW_VGA12, 0) < 0)
|
|
if (ioctl(xf86Info.consoleFd, SW_HGC_P0, 0) < 0)
|
|
{
|
|
ErrorF("Failed to set graphics mode : %s\n",
|
|
strerror(errno));
|
|
}
|
|
|
|
return(TRUE);
|
|
}
|
|
}
|