1 /*
2 * Copyright 1993 by David Wexelblat <dwex@XFree86.org>
3 *
4 * Permission to use, copy, modify, distribute, and sell this software and its
5 * documentation for any purpose is hereby granted without fee, provided that
6 * the above copyright notice appear in all copies and that both that
7 * copyright notice and this permission notice appear in supporting
8 * documentation, and that the name of David Wexelblat not be used in
9 * advertising or publicity pertaining to distribution of the software without
10 * specific, written prior permission. David Wexelblat makes no representations
11 * about the suitability of this software for any purpose. It is provided
12 * "as is" without express or implied warranty.
13 *
14 * DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16 * EVENT SHALL DAVID WEXELBLAT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
20 * PERFORMANCE OF THIS SOFTWARE.
21 *
22 */
23
24 #ifdef HAVE_XORG_CONFIG_H
25 #include <xorg-config.h>
26 #endif
27
28 #include <X11/X.h>
29
30 #include "xf86.h"
31 #include "xf86Priv.h"
32 #include "xf86_OSlib.h"
33
34 /*
35 * Handle the VT-switching interface for OSs that use USL-style ioctl()s
36 * (the sysv, sco, and linux subdirs).
37 */
38
39 /*
40 * This function is the signal handler for the VT-switching signal. It
41 * is only referenced inside the OS-support layer.
42 */
43 void
xf86VTRequest(int sig)44 xf86VTRequest(int sig)
45 {
46 OsSignal(sig, (void (*)(int)) xf86VTRequest);
47 xf86Info.vtRequestsPending = TRUE;
48 return;
49 }
50
51 Bool
xf86VTSwitchPending(void)52 xf86VTSwitchPending(void)
53 {
54 return xf86Info.vtRequestsPending ? TRUE : FALSE;
55 }
56
57 Bool
xf86VTSwitchAway(void)58 xf86VTSwitchAway(void)
59 {
60 xf86Info.vtRequestsPending = FALSE;
61 if (ioctl(xf86Info.consoleFd, VT_RELDISP, 1) < 0)
62 return FALSE;
63 else
64 return TRUE;
65 }
66
67 Bool
xf86VTSwitchTo(void)68 xf86VTSwitchTo(void)
69 {
70 xf86Info.vtRequestsPending = FALSE;
71 if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0)
72 return FALSE;
73 else
74 return TRUE;
75 }
76
77 Bool
xf86VTActivate(int vtno)78 xf86VTActivate(int vtno)
79 {
80 #ifdef VT_ACTIVATE
81 if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno) < 0) {
82 return FALSE;
83 }
84 #endif
85 return TRUE;
86 }
87