xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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sun_VTsw.c (3208B)

      1 /*
      2  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     21  * DEALINGS IN THE SOFTWARE.
     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 #include <door.h>
     35 #include <sys/vtdaemon.h>
     36 
     37 /*
     38  * Handle the VT-switching interface for Solaris/OpenSolaris
     39  */
     40 
     41 static int xf86VTPruneDoor = 0;
     42 
     43 void
     44 xf86VTRelease(int sig)
     45 {
     46     if (xf86Info.vtPendingNum == -1) {
     47         xf86VTPruneDoor = 1;
     48         xf86Info.vtRequestsPending = TRUE;
     49         return;
     50     }
     51 
     52     ioctl(xf86Info.consoleFd, VT_RELDISP, 1);
     53     xf86Info.vtPendingNum = -1;
     54 
     55     return;
     56 }
     57 
     58 void
     59 xf86VTAcquire(int sig)
     60 {
     61     xf86Info.vtRequestsPending = TRUE;
     62     return;
     63 }
     64 
     65 Bool
     66 xf86VTSwitchPending(void)
     67 {
     68     return xf86Info.vtRequestsPending ? TRUE : FALSE;
     69 }
     70 
     71 Bool
     72 xf86VTSwitchAway(void)
     73 {
     74     int door_fd;
     75     vt_cmd_arg_t vt_door_arg;
     76     door_arg_t door_arg;
     77 
     78     xf86Info.vtRequestsPending = FALSE;
     79 
     80     if (xf86VTPruneDoor) {
     81         xf86VTPruneDoor = 0;
     82         ioctl(xf86Info.consoleFd, VT_RELDISP, 1);
     83         return TRUE;
     84     }
     85 
     86     vt_door_arg.vt_ev = VT_EV_HOTKEYS;
     87     vt_door_arg.vt_num = xf86Info.vtPendingNum;
     88     door_arg.data_ptr = (char *) &vt_door_arg;
     89     door_arg.data_size = sizeof(vt_cmd_arg_t);
     90     door_arg.rbuf = NULL;
     91     door_arg.rsize = 0;
     92     door_arg.desc_ptr = NULL;
     93     door_arg.desc_num = 0;
     94 
     95     if ((door_fd = open(VT_DAEMON_DOOR_FILE, O_RDONLY)) < 0)
     96         return FALSE;
     97 
     98     if (door_call(door_fd, &door_arg) != 0) {
     99         close(door_fd);
    100         return FALSE;
    101     }
    102 
    103     close(door_fd);
    104     return TRUE;
    105 }
    106 
    107 Bool
    108 xf86VTSwitchTo(void)
    109 {
    110     xf86Info.vtRequestsPending = FALSE;
    111     if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0) {
    112         return FALSE;
    113     }
    114     else {
    115         return TRUE;
    116     }
    117 }
    118 
    119 Bool
    120 xf86VTActivate(int vtno)
    121 {
    122     struct vt_stat state;
    123 
    124     if (ioctl(xf86Info.consoleFd, VT_GETSTATE, &state) < 0)
    125         return FALSE;
    126 
    127     if ((state.v_state & (1 << vtno)) == 0)
    128         return FALSE;
    129 
    130     xf86Info.vtRequestsPending = TRUE;
    131     xf86Info.vtPendingNum = vtno;
    132 
    133     return TRUE;
    134 }