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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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
  32 #include "object.h"
  33 #include "file.h"
  34 #include "thread.h"
  35 #include "request.h"
  36
  37 /* command-line options */
  38 int debug_level = 0;
  39 int master_socket_timeout = 3;  /* master socket timeout in seconds, default is 3 s */
  40 int foreground = 0;
  41 const char *server_argv0;
  42
  43 /* name space for synchronization objects */
  44 struct namespace *sync_namespace;
  45
  46 /* parse-line args */
  47 /* FIXME: should probably use getopt, and add a (more complete?) help option */
  48
  49 static void usage(void)
  50 {
  51     fprintf(stderr, "\nusage: %s [options]\n\n", server_argv0);
  52     fprintf(stderr, "options:\n");
  53     fprintf(stderr, "   -d<n>  set debug level to <n>\n");
  54     fprintf(stderr, "   -f     remain in the foreground for debugging\n");
  55     fprintf(stderr, "   -h     display this help message\n");
  56     fprintf(stderr, "   -k[n]  kill the current wineserver, optionally with signal n\n");
  57     fprintf(stderr, "   -p[n]  make server persistent, optionally for n seconds\n");
  58     fprintf(stderr, "   -v     display version information and exit\n");
  59     fprintf(stderr, "   -w     wait until the current wineserver terminates\n");
  60     fprintf(stderr, "\n");
  61 }
  62
  63 static void parse_args( int argc, char *argv[] )
  64 {
  65     int i, ret;
  66
  67     server_argv0 = argv[0];
  68     for (i = 1; i < argc; i++)
  69     {
  70         if (argv[i][0] == '-')
  71         {
  72             switch(argv[i][1])
  73             {
  74             case 'd':
  75                 if (isdigit(argv[i][2])) debug_level = atoi( argv[i] + 2 );
  76                 else debug_level++;
  77                 break;
  78             case 'f':
  79                 foreground = 1;
  80                 break;
  81             case 'h':
  82                 usage();
  83                 exit(0);
  84                 break;
  85             case 'k':
  86                 if (isdigit(argv[i][2])) ret = kill_lock_owner( atoi(argv[i] + 2) );
  87                 else ret = kill_lock_owner(-1);
  88                 exit( !ret );
  89             case 'p':
  90                 if (isdigit(argv[i][2])) master_socket_timeout = atoi( argv[i] + 2 );
  91                 else master_socket_timeout = -1;
  92                 break;
  93             case 'v':
  94                 fprintf( stderr, "%s\n", PACKAGE_STRING );
  95                 exit(0);
  96             case 'w':
  97                 wait_for_lock();
  98                 exit(0);
  99             default:
 100                 fprintf( stderr, "wineserver: unknown option '%s'\n", argv[i] );
 101                 usage();
 102                 exit(1);
 103             }
 104         }
 105         else
 106         {
 107             fprintf( stderr, "wineserver: unknown argument '%s'.\n", argv[i] );
 108             usage();
 109             exit(1);
 110         }
 111     }
 112 }
 113
 114 static void sigterm_handler()
 115 {
 116     exit(1);  /* make sure atexit functions get called */
 117 }
 118
 119 int main( int argc, char *argv[] )
 120 {
 121     parse_args( argc, argv );
 122
 123     /* setup temporary handlers before the real signal initialization is done */
 124     signal( SIGPIPE, SIG_IGN );
 125     signal( SIGHUP, sigterm_handler );
 126     signal( SIGINT, sigterm_handler );
 127     signal( SIGQUIT, sigterm_handler );
 128     signal( SIGTERM, sigterm_handler );
 129     signal( SIGABRT, sigterm_handler );
 130
 131     sock_init();
 132     open_master_socket();
 133     sync_namespace = create_namespace( 37, TRUE );
 134     setvbuf( stderr, NULL, _IOLBF, 0 );
 135
 136     if (debug_level) fprintf( stderr, "wineserver: starting (pid=%ld)\n", (long) getpid() );
 137     init_signals();
 138     init_registry();
 139     main_loop();
 140
 141 #ifdef DEBUG_OBJECTS
 142     dump_objects();  /* dump any remaining objects */
 143 #endif
 144     return 0;
 145 }