xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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quartzStartup.c (3973B)

      1 /**************************************************************
      2  *
      3  * Startup code for the Quartz Darwin X Server
      4  * Copyright (c) 2008-2012 Apple Inc. All rights reserved.
      5  * Copyright (c) 2001-2004 Torrey T. Lyons. All Rights Reserved.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the "Software"),
      9  * to deal in the Software without restriction, including without limitation
     10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     11  * and/or sell copies of the Software, and to permit persons to whom the
     12  * Software is furnished to do so, subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice shall be included in
     15  * all copies or substantial portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     20  * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     23  * DEALINGS IN THE SOFTWARE.
     24  *
     25  * Except as contained in this notice, the name(s) of the above copyright
     26  * holders shall not be used in advertising or otherwise to promote the sale,
     27  * use or other dealings in this Software without prior written authorization.
     28  */
     29 
     30 #include "sanitizedCarbon.h"
     31 
     32 #ifdef HAVE_DIX_CONFIG_H
     33 #include <dix-config.h>
     34 #endif
     35 
     36 #include <fcntl.h>
     37 #include <unistd.h>
     38 #include <CoreFoundation/CoreFoundation.h>
     39 #include "X11Controller.h"
     40 #include "darwin.h"
     41 #include "darwinEvents.h"
     42 #include "quartz.h"
     43 #include "opaque.h"
     44 #include "micmap.h"
     45 
     46 #include <assert.h>
     47 
     48 #include <pthread.h>
     49 
     50 int
     51 dix_main(int argc, char **argv, char **envp);
     52 
     53 struct arg {
     54     int argc;
     55     char **argv;
     56     char **envp;
     57 };
     58 
     59 _X_NORETURN
     60 static void
     61 server_thread(void *arg)
     62 {
     63     struct arg args = *((struct arg *)arg);
     64     free(arg);
     65     exit(dix_main(args.argc, args.argv, args.envp));
     66 }
     67 
     68 static pthread_t
     69 create_thread(void *func, void *arg)
     70 {
     71     pthread_attr_t attr;
     72     pthread_t tid;
     73 
     74     pthread_attr_init(&attr);
     75     pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM);
     76     pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
     77     pthread_create(&tid, &attr, func, arg);
     78     pthread_attr_destroy(&attr);
     79 
     80     return tid;
     81 }
     82 
     83 void
     84 QuartzInitServer(int argc, char **argv, char **envp)
     85 {
     86     struct arg *args = (struct arg *)malloc(sizeof(struct arg));
     87     if (!args)
     88         FatalError("Could not allocate memory.\n");
     89 
     90     args->argc = argc;
     91     args->argv = argv;
     92     args->envp = envp;
     93 
     94     if (!create_thread(server_thread, args)) {
     95         FatalError("can't create secondary thread\n");
     96     }
     97 
     98     /* Block signals on the AppKit thread that the X11 expects to handle on its thread */
     99     sigset_t set;
    100     sigemptyset(&set);
    101     sigaddset(&set, SIGALRM);
    102 #ifdef BUSFAULT
    103     sigaddset(&set, SIGBUS);
    104 #endif
    105     pthread_sigmask(SIG_BLOCK, &set, NULL);
    106 }
    107 
    108 int
    109 server_main(int argc, char **argv, char **envp)
    110 {
    111     int i;
    112     int fd[2];
    113 
    114     /* Unset CFProcessPath, so our children don't inherit this kludge we need
    115      * to load our nib.  If an xterm gets this set, then it fails to
    116      * 'open hi.txt' properly.
    117      */
    118     unsetenv("CFProcessPath");
    119 
    120     // Make a pipe to pass events
    121     assert(pipe(fd) == 0);
    122     darwinEventReadFD = fd[0];
    123     darwinEventWriteFD = fd[1];
    124     fcntl(darwinEventReadFD, F_SETFL, O_NONBLOCK);
    125 
    126     for (i = 1; i < argc; i++) {
    127         // Display version info without starting Mac OS X UI if requested
    128         if (!strcmp(argv[i],
    129                     "-showconfig") || !strcmp(argv[i], "-version")) {
    130             DarwinPrintBanner();
    131             exit(0);
    132         }
    133     }
    134 
    135     X11ControllerMain(argc, argv, envp);
    136     exit(0);
    137 }