91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
/*
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* Copyright 1993 by David Wexelblat <dwex@XFree86.org>
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of David Wexelblat not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. David Wexelblat makes no representations
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* about the suitability of this software for any purpose. It is provided
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* "as is" without express or implied warranty.
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*
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* DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL DAVID WEXELBLAT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <X11/X.h>
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#include "xf86.h"
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#include "xf86Priv.h"
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#include "xf86_OSlib.h"
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#ifdef OSHEADER
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# include OSHEADER
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#endif
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/*
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* Handle the VT-switching interface for OSs that use USL-style ioctl()s
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* (the sysv, sco, and linux subdirs).
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*/
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/*
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* This function is the signal handler for the VT-switching signal. It
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* is only referenced inside the OS-support layer.
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*/
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void
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xf86VTRequest(int sig)
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{
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signal(sig, (void(*)(int))xf86VTRequest);
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xf86Info.vtRequestsPending = TRUE;
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return;
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}
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Bool
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xf86VTSwitchPending(void)
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{
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return(xf86Info.vtRequestsPending ? TRUE : FALSE);
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}
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Bool
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xf86VTSwitchAway(void)
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{
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xf86Info.vtRequestsPending = FALSE;
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if (ioctl(xf86Info.consoleFd, VT_RELDISP, 1) < 0)
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{
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return(FALSE);
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}
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else
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{
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#ifdef OSSWITCHAWAY
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OSSWITCHAWAY;
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#endif
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return(TRUE);
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}
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}
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Bool
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xf86VTSwitchTo(void)
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{
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xf86Info.vtRequestsPending = FALSE;
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if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0)
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{
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return(FALSE);
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}
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else
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{
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return(TRUE);
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}
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}
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