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/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/sco/VTsw_sco.c,v 1.3 2001/06/30 22:41:49 tsi Exp $ */
/*
* 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.
*
*/
/* $XConsortium: VTsw_sco.c /main/2 1995/11/13 06:08:36 kaleb $ */
#include "X.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86_OSlib.h"
/* For the event driver prototypes */
#include <sys/event.h>
#include <mouse.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. NOTE: we do NOT need
* to re-arm the signal here, since we used sigaction() to set the signal
* disposition in sco_init.c. If we had used signal(), we would need to
* re-arm the signal here. All we need to do now is record the fact that
* we got the signal. XFree86 handles the rest.
*/
void
xf86VTRequest(int sig)
{
xf86Info.vtRequestsPending = TRUE;
return;
}
Bool
xf86VTSwitchPending()
{
return(xf86Info.vtRequestsPending ? TRUE : FALSE);
}
/*
* When we switch away, we need to flush and suspend the event driver
* before the VT_RELDISP. We also need to get the current LED status
* and preserve it, so that we can restore it when we come back.
*/
static int sco_ledstatus = -1;
static unsigned int sco_ledstate = 0;
Bool
xf86VTSwitchAway()
{
ev_flush();
ev_suspend();
sco_ledstatus = ioctl(xf86Info.consoleFd, KDGETLED, &sco_ledstate);
xf86Info.vtRequestsPending = FALSE;
if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_TRUE) < 0) {
return(FALSE);
} else {
return(TRUE);
}
}
/*
* When we come back to the X server, we need to resume the event driver,
* and we need to restore the LED settings to what they were when we
* switched away.
*/
Bool
xf86VTSwitchTo()
{
ev_resume();
xf86Info.vtRequestsPending = FALSE;
if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0) {
return(FALSE);
} else {
if (sco_ledstatus >= 0) {
ioctl (xf86Info.consoleFd, KDSETLED, &sco_ledstate);
}
sco_ledstatus = -1;
/*
* Convince the console driver this screen is in graphics mode,
* otherwise it assumes it can do more to the screen than it should.
*/
if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0) {
ErrorF("Failed to set graphics mode (%s)\n", strerror(errno));
}
return TRUE;
}
}
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