1 /*
2 * Derived from VTsw_usl.c which is
3 * Copyright 1993 by David Wexelblat <dwex@goblin.org>
4 * by S_ren Schmidt (sos@login.dkuug.dk)
5 *
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of David Wexelblat not be used in
11 * advertising or publicity pertaining to distribution of the software without
12 * specific, written prior permission. David Wexelblat makes no representations
13 * about the suitability of this software for any purpose. It is provided
14 * "as is" without express or implied warranty.
15 *
16 * DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL DAVID WEXELBLAT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
23 *
24 */
25
26 #ifdef HAVE_XORG_CONFIG_H
27 #include <xorg-config.h>
28 #endif
29
30 #include <X11/X.h>
31 #include "xf86.h"
32 #include "xf86Priv.h"
33 #include "xf86_OSlib.h"
34
35 /*
36 * Handle the VT-switching interface for OSs that use USL-style ioctl()s
37 * (the bsd, sysv, sco, and linux subdirs).
38 */
39
40 /*
41 * This function is the signal handler for the VT-switching signal. It
42 * is only referenced inside the OS-support layer.
43 */
44 void
xf86VTRequest(int sig)45 xf86VTRequest(int sig)
46 {
47 #if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
48 if (xf86Info.consType == SYSCONS || xf86Info.consType == PCVT) {
49 xf86Info.vtRequestsPending = TRUE;
50 }
51 #endif
52 return;
53 }
54
55 Bool
xf86VTSwitchPending()56 xf86VTSwitchPending()
57 {
58 #if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
59 if (xf86Info.consType == SYSCONS || xf86Info.consType == PCVT) {
60 return xf86Info.vtRequestsPending ? TRUE : FALSE;
61 }
62 #endif
63 return FALSE;
64 }
65
66 Bool
xf86VTSwitchAway()67 xf86VTSwitchAway()
68 {
69 #if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
70 if (xf86Info.consType == SYSCONS || xf86Info.consType == PCVT) {
71 xf86Info.vtRequestsPending = FALSE;
72 if (ioctl(xf86Info.consoleFd, VT_RELDISP, 1) < 0)
73 return FALSE;
74 else
75 return TRUE;
76 }
77 #endif
78 return FALSE;
79 }
80
81 Bool
xf86VTSwitchTo()82 xf86VTSwitchTo()
83 {
84 #if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
85 if (xf86Info.consType == SYSCONS || xf86Info.consType == PCVT) {
86 xf86Info.vtRequestsPending = FALSE;
87 if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0)
88 return FALSE;
89 else
90 return TRUE;
91 }
92 #endif
93 return TRUE;
94 }
95
96 Bool
xf86VTActivate(int vtno)97 xf86VTActivate(int vtno)
98 {
99 if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno) < 0) {
100 return FALSE;
101 }
102 return TRUE;
103 }
104