xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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VTsw_usl.c (2340B)

      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
     44 xf86VTRequest(int sig)
     45 {
     46     OsSignal(sig, (void (*)(int)) xf86VTRequest);
     47     xf86Info.vtRequestsPending = TRUE;
     48     return;
     49 }
     50 
     51 Bool
     52 xf86VTSwitchPending(void)
     53 {
     54     return xf86Info.vtRequestsPending ? TRUE : FALSE;
     55 }
     56 
     57 Bool
     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
     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
     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 }