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a09e091a JB |
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 | |
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 | |
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 | |
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 | |
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 | |
97 | xf86VTActivate(int vtno) | |
98 | { | |
99 | if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno) < 0) { | |
100 | return FALSE; | |
101 | } | |
102 | return TRUE; | |
103 | } |