hw/xquartz/quartzStartup.c

   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 "quartzCommon.h"
  40 #include "X11Controller.h"
  41 #include "darwin.h"
  42 #include "darwinEvents.h"
  43 #include "quartz.h"
  44 #include "opaque.h"
  45 #include "micmap.h"
  46
  47 #include <assert.h>
  48
  49 #include <pthread.h>
  50
  51 int
  52 dix_main(int argc, char **argv, char **envp);
  53
  54 struct arg {
  55     int argc;
  56     char **argv;
  57     char **envp;
  58 };
  59
  60 _X_NORETURN
  61 static void
  62 server_thread(void *arg)
  63 {
  64     struct arg args = *((struct arg *)arg);
  65     free(arg);
  66     exit(dix_main(args.argc, args.argv, args.envp));
  67 }
  68
  69 static pthread_t
  70 create_thread(void *func, void *arg)
  71 {
  72     pthread_attr_t attr;
  73     pthread_t tid;
  74
  75     pthread_attr_init(&attr);
  76     pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM);
  77     pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
  78     pthread_create(&tid, &attr, func, arg);
  79     pthread_attr_destroy(&attr);
  80
  81     return tid;
  82 }
  83
  84 void
  85 QuartzInitServer(int argc, char **argv, char **envp)
  86 {
  87     struct arg *args = (struct arg *)malloc(sizeof(struct arg));
  88     if (!args)
  89         FatalError("Could not allocate memory.\n");
  90
  91     args->argc = argc;
  92     args->argv = argv;
  93     args->envp = envp;
  94
  95     if (!create_thread(server_thread, args)) {
  96         FatalError("can't create secondary thread\n");
  97     }
  98 }
  99
 100 int
 101 server_main(int argc, char **argv, char **envp)
 102 {
 103     int i;
 104     int fd[2];
 105
 106     /* Unset CFProcessPath, so our children don't inherit this kludge we need
 107      * to load our nib.  If an xterm gets this set, then it fails to
 108      * 'open hi.txt' properly.
 109      */
 110     unsetenv("CFProcessPath");
 111
 112     // Make a pipe to pass events
 113     assert(pipe(fd) == 0);
 114     darwinEventReadFD = fd[0];
 115     darwinEventWriteFD = fd[1];
 116     fcntl(darwinEventReadFD, F_SETFL, O_NONBLOCK);
 117
 118     for (i = 1; i < argc; i++) {
 119         // Display version info without starting Mac OS X UI if requested
 120         if (!strcmp(argv[i],
 121                     "-showconfig") || !strcmp(argv[i], "-version")) {
 122             DarwinPrintBanner();
 123             exit(0);
 124         }
 125     }
 126
 127     X11ControllerMain(argc, argv, envp);
 128     exit(0);
 129 }