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 #ifdef HAVE_GETOPT_H
  32 # include <getopt.h>
  33 #endif
  34
  35 #include "object.h"
  36 #include "file.h"
  37 #include "thread.h"
  38 #include "request.h"
  39
  40 /* command-line options */
  41 int debug_level = 0;
  42 int foreground = 0;
  43 timeout_t master_socket_timeout = 3 * -TICKS_PER_SEC;  /* master socket timeout, default is 3 seconds */
  44 const char *server_argv0;
  45
  46 /* parse-line args */
  47
  48 static void usage(void)
  49 {
  50     fprintf(stderr, "Usage: %s [options]\n\n", server_argv0);
  51     fprintf(stderr, "Options:\n");
  52     fprintf(stderr, "   -d[n], --debug[=n]       set debug level to n or +1 if n not specified\n");
  53     fprintf(stderr, "   -f,    --foreground      remain in the foreground for debugging\n");
  54     fprintf(stderr, "   -h,    --help            display this help message\n");
  55     fprintf(stderr, "   -k[n], --kill[=n]        kill the current wineserver, optionally with signal n\n");
  56     fprintf(stderr, "   -p[n], --persistent[=n]  make server persistent, optionally for n seconds\n");
  57     fprintf(stderr, "   -v,    --version         display version information and exit\n");
  58     fprintf(stderr, "   -w,    --wait            wait until the current wineserver terminates\n");
  59     fprintf(stderr, "\n");
  60 }
  61
  62 static void parse_args( int argc, char *argv[] )
  63 {
  64     int ret, optc;
  65
  66     static struct option long_options[] =
  67     {
  68         {"debug",       2, 0, 'd'},
  69         {"foreground",  0, 0, 'f'},
  70         {"help",        0, 0, 'h'},
  71         {"kill",        2, 0, 'k'},
  72         {"persistent",  2, 0, 'p'},
  73         {"version",     0, 0, 'v'},
  74         {"wait",        0, 0, 'w'},
  75         { NULL,         0, 0, 0}
  76     };
  77
  78     server_argv0 = argv[0];
  79
  80     while ((optc = getopt_long( argc, argv, "d::fhk::p::vw", long_options, NULL )) != -1)
  81     {
  82         switch(optc)
  83         {
  84             case 'd':
  85                 if (optarg && isdigit(*optarg))
  86                     debug_level = atoi( optarg );
  87                 else
  88                     debug_level++;
  89                 break;
  90             case 'f':
  91                 foreground = 1;
  92                 break;
  93             case 'h':
  94                 usage();
  95                 exit(0);
  96                 break;
  97             case 'k':
  98                 if (optarg && isdigit(*optarg))
  99                     ret = kill_lock_owner( atoi( optarg ) );
 100                 else
 101                     ret = kill_lock_owner(-1);
 102                 exit( !ret );
 103             case 'p':
 104                 if (optarg && isdigit(*optarg))
 105                     master_socket_timeout = (timeout_t)atoi( optarg ) * -TICKS_PER_SEC;
 106                 else
 107                     master_socket_timeout = TIMEOUT_INFINITE;
 108                 break;
 109             case 'v':
 110                 fprintf( stderr, "%s\n", PACKAGE_STRING );
 111                 exit(0);
 112             case 'w':
 113                 wait_for_lock();
 114                 exit(0);
 115             default:
 116                 usage();
 117                 exit(1);
 118         }
 119     }
 120 }
 121
 122 static void sigterm_handler( int signum )
 123 {
 124     exit(1);  /* make sure atexit functions get called */
 125 }
 126
 127 int main( int argc, char *argv[] )
 128 {
 129     setvbuf( stderr, NULL, _IOLBF, 0 );
 130     parse_args( argc, argv );
 131
 132     /* setup temporary handlers before the real signal initialization is done */
 133     signal( SIGPIPE, SIG_IGN );
 134     signal( SIGHUP, sigterm_handler );
 135     signal( SIGINT, sigterm_handler );
 136     signal( SIGQUIT, sigterm_handler );
 137     signal( SIGTERM, sigterm_handler );
 138     signal( SIGABRT, sigterm_handler );
 139
 140     sock_init();
 141     open_master_socket();
 142
 143     if (debug_level) fprintf( stderr, "wineserver: starting (pid=%ld)\n", (long) getpid() );
 144     init_signals();
 145     init_directories();
 146     init_registry();
 147     main_loop();
 148     return 0;
 149 }