xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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config.c (4161B)

      1 /*
      2  * Copyright © 2006-2007 Daniel Stone
      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  * Author: Daniel Stone <daniel@fooishbar.org>
     24  */
     25 
     26 #ifdef HAVE_DIX_CONFIG_H
     27 #include <dix-config.h>
     28 #endif
     29 
     30 #include <unistd.h>
     31 #include "os.h"
     32 #include "inputstr.h"
     33 #include "hotplug.h"
     34 #include "config-backends.h"
     35 #include "systemd-logind.h"
     36 
     37 void
     38 config_pre_init(void)
     39 {
     40 #ifdef CONFIG_UDEV
     41     if (!config_udev_pre_init())
     42         ErrorF("[config] failed to pre-init udev\n");
     43 #endif
     44 }
     45 
     46 void
     47 config_init(void)
     48 {
     49 #ifdef CONFIG_UDEV
     50     if (!config_udev_init())
     51         ErrorF("[config] failed to initialise udev\n");
     52 #elif defined(CONFIG_HAL)
     53     if (!config_hal_init())
     54         ErrorF("[config] failed to initialise HAL\n");
     55 #elif defined(CONFIG_WSCONS)
     56     if (!config_wscons_init())
     57         ErrorF("[config] failed to initialise wscons\n");
     58 #endif
     59 }
     60 
     61 void
     62 config_fini(void)
     63 {
     64 #if defined(CONFIG_UDEV)
     65     config_udev_fini();
     66 #elif defined(CONFIG_HAL)
     67     config_hal_fini();
     68 #elif defined(CONFIG_WSCONS)
     69     config_wscons_fini();
     70 #endif
     71 }
     72 
     73 void
     74 config_odev_probe(config_odev_probe_proc_ptr probe_callback)
     75 {
     76 #if defined(CONFIG_UDEV_KMS)
     77     config_udev_odev_probe(probe_callback);
     78 #endif
     79 }
     80 
     81 static void
     82 remove_device(const char *backend, DeviceIntPtr dev)
     83 {
     84     /* this only gets called for devices that have already been added */
     85     LogMessage(X_INFO, "config/%s: removing device %s\n", backend, dev->name);
     86 
     87     /* Call PIE here so we don't try to dereference a device that's
     88      * already been removed. */
     89     input_lock();
     90     ProcessInputEvents();
     91     DeleteInputDeviceRequest(dev);
     92     input_unlock();
     93 }
     94 
     95 void
     96 remove_devices(const char *backend, const char *config_info)
     97 {
     98     DeviceIntPtr dev, next;
     99 
    100     for (dev = inputInfo.devices; dev; dev = next) {
    101         next = dev->next;
    102         if (dev->config_info && strcmp(dev->config_info, config_info) == 0)
    103             remove_device(backend, dev);
    104     }
    105     for (dev = inputInfo.off_devices; dev; dev = next) {
    106         next = dev->next;
    107         if (dev->config_info && strcmp(dev->config_info, config_info) == 0)
    108             remove_device(backend, dev);
    109     }
    110 
    111     RemoveInputDeviceTraces(config_info);
    112 }
    113 
    114 BOOL
    115 device_is_duplicate(const char *config_info)
    116 {
    117     DeviceIntPtr dev;
    118 
    119     for (dev = inputInfo.devices; dev; dev = dev->next) {
    120         if (dev->config_info && (strcmp(dev->config_info, config_info) == 0))
    121             return TRUE;
    122     }
    123 
    124     for (dev = inputInfo.off_devices; dev; dev = dev->next) {
    125         if (dev->config_info && (strcmp(dev->config_info, config_info) == 0))
    126             return TRUE;
    127     }
    128 
    129     return FALSE;
    130 }
    131 
    132 struct OdevAttributes *
    133 config_odev_allocate_attributes(void)
    134 {
    135     struct OdevAttributes *attribs =
    136         xnfcalloc(1, sizeof (struct OdevAttributes));
    137     attribs->fd = -1;
    138     return attribs;
    139 }
    140 
    141 void
    142 config_odev_free_attributes(struct OdevAttributes *attribs)
    143 {
    144     if (attribs->fd != -1)
    145         systemd_logind_release_fd(attribs->major, attribs->minor, attribs->fd);
    146     free(attribs->path);
    147     free(attribs->syspath);
    148     free(attribs->busid);
    149     free(attribs->driver);
    150     free(attribs);
    151 }