server/main.c

   1 /*
   2  * Server main function
   3  *
   4  * Copyright (C) 1998 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <assert.h>
  24 #include <ctype.h>
  25 #include <fcntl.h>
  26 #include <signal.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <sys/time.h>
  30 #include <unistd.h>
  31 #include <sys/syscall.h>
  32 #ifdef HAVE_GETOPT_H
  33 # include <getopt.h>
  34 #endif
  35
  36 #include "object.h"
  37 #include "file.h"
  38 #include "thread.h"
  39 #include "request.h"
  40 #include "wine/library.h"
  41
  42 extern int rtkit_make_realtime(struct thread *thread, pid_t tid, int priority);
  43
  44 /* command-line options */
  45 int debug_level = 0;
  46 int foreground = 0;
  47 timeout_t master_socket_timeout = 3 * -TICKS_PER_SEC;  /* master socket timeout, default is 3 seconds */
  48 const char *server_argv0;
  49
  50 /* parse-line args */
  51
  52 static void usage( FILE *fh )
  53 {
  54     fprintf(fh, "Usage: %s [options]\n\n", server_argv0);
  55     fprintf(fh, "Options:\n");
  56     fprintf(fh, "   -d[n], --debug[=n]       set debug level to n or +1 if n not specified\n");
  57     fprintf(fh, "   -f,    --foreground      remain in the foreground for debugging\n");
  58     fprintf(fh, "   -h,    --help            display this help message\n");
  59     fprintf(fh, "   -k[n], --kill[=n]        kill the current wineserver, optionally with signal n\n");
  60     fprintf(fh, "   -p[n], --persistent[=n]  make server persistent, optionally for n seconds\n");
  61     fprintf(fh, "   -v,    --version         display version information and exit\n");
  62     fprintf(fh, "   -w,    --wait            wait until the current wineserver terminates\n");
  63     fprintf(fh, "\n");
  64 }
  65
  66 static void parse_args( int argc, char *argv[] )
  67 {
  68     int ret, optc;
  69
  70     static struct option long_options[] =
  71     {
  72         {"debug",       2, NULL, 'd'},
  73         {"foreground",  0, NULL, 'f'},
  74         {"help",        0, NULL, 'h'},
  75         {"kill",        2, NULL, 'k'},
  76         {"persistent",  2, NULL, 'p'},
  77         {"version",     0, NULL, 'v'},
  78         {"wait",        0, NULL, 'w'},
  79         { NULL,         0, NULL, 0}
  80     };
  81
  82     server_argv0 = argv[0];
  83
  84     while ((optc = getopt_long( argc, argv, "d::fhk::p::vw", long_options, NULL )) != -1)
  85     {
  86         switch(optc)
  87         {
  88             case 'd':
  89                 if (optarg && isdigit(*optarg))
  90                     debug_level = atoi( optarg );
  91                 else
  92                     debug_level++;
  93                 break;
  94             case 'f':
  95                 foreground = 1;
  96                 break;
  97             case 'h':
  98                 usage(stdout);
  99                 exit(0);
 100                 break;
 101             case 'k':
 102                 if (optarg && isdigit(*optarg))
 103                     ret = kill_lock_owner( atoi( optarg ) );
 104                 else
 105                     ret = kill_lock_owner(-1);
 106                 exit( !ret );
 107             case 'p':
 108                 if (optarg && isdigit(*optarg))
 109                     master_socket_timeout = (timeout_t)atoi( optarg ) * -TICKS_PER_SEC;
 110                 else
 111                     master_socket_timeout = TIMEOUT_INFINITE;
 112                 break;
 113             case 'v':
 114                 fprintf( stderr, "%s\n", wine_get_build_id());
 115                 exit(0);
 116             case 'w':
 117                 wait_for_lock();
 118                 exit(0);
 119             default:
 120                 usage(stderr);
 121                 exit(1);
 122         }
 123     }
 124 }
 125
 126 static void sigterm_handler( int signum )
 127 {
 128     exit(1);  /* make sure atexit functions get called */
 129 }
 130
 131 int main( int argc, char *argv[] )
 132 {
 133     setvbuf( stderr, NULL, _IOLBF, 0 );
 134     parse_args( argc, argv );
 135
 136     /* setup temporary handlers before the real signal initialization is done */
 137     signal( SIGPIPE, SIG_IGN );
 138     signal( SIGHUP, sigterm_handler );
 139     signal( SIGINT, sigterm_handler );
 140     signal( SIGQUIT, sigterm_handler );
 141     signal( SIGTERM, sigterm_handler );
 142     signal( SIGABRT, sigterm_handler );
 143
 144     sock_init();
 145     open_master_socket();
 146
 147     if (debug_level) fprintf( stderr, "wineserver: starting (pid=%ld)\n", (long) getpid() );
 148     init_signals();
 149     init_directories();
 150     init_registry();
 151     rtkit_make_realtime(NULL, syscall( SYS_gettid ), 3);
 152     main_loop();
 153     return 0;
 154 }