1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* Copyright 2005 by Kean Johnston <jkj@sco.com>
* 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.
*
*/
#include "X.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86_OSlib.h"
/*
* Handle the VT-switching interface for SCO UnixWare / OpenServer 6
*/
/*
* 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 usl_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(void)
{
return(xf86Info.vtRequestsPending ? TRUE : FALSE);
}
static int usl_ledstatus = -1;
static unsigned int usl_ledstate = 0;
Bool
xf86VTSwitchAway(void)
{
usl_ledstatus = ioctl(xf86Info.consoleFd, KDGETLED, &usl_ledstate);
xf86Info.vtRequestsPending = FALSE;
if (ioctl(xf86Info.consoleFd, VT_RELDISP, 1) < 0) {
return(FALSE);
} else {
return(TRUE);
}
}
Bool
xf86VTSwitchTo(void)
{
xf86Info.vtRequestsPending = FALSE;
if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0) {
return(FALSE);
} else {
if (usl_ledstatus >= 0) {
ioctl (xf86Info.consoleFd, KDSETLED, usl_ledstate);
}
usl_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;
}
}
|