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 <assert.h>
  22 #include <ctype.h>
  23 #include <fcntl.h>
  24 #include <signal.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <sys/time.h>
  28 #include <unistd.h>
  29
  30 #include "object.h"
  31 #include "file.h"
  32 #include "thread.h"
  33 #include "request.h"
  34
  35 /* command-line options */
  36 int debug_level = 0;
  37 int master_socket_timeout = 3;  /* master socket timeout in seconds, default is 3 s */
  38 int foreground = 0;
  39 const char *server_argv0;
  40
  41 /* name space for synchronization objects */
  42 struct namespace *sync_namespace;
  43
  44 /* parse-line args */
  45 /* FIXME: should probably use getopt, and add a (more complete?) help option */
  46
  47 static void usage(void)
  48 {
  49     fprintf(stderr, "\nusage: %s [options]\n\n", server_argv0);
  50     fprintf(stderr, "options:\n");
  51     fprintf(stderr, "   -d<n>  set debug level to <n>\n");
  52     fprintf(stderr, "   -p[n]  make server persistent, optionally for n seconds\n");
  53     fprintf(stderr, "   -f     remain in the foreground for debugging\n");
  54     fprintf(stderr, "   -w     wait until the current wineserver terminates\n");
  55     fprintf(stderr, "   -k[n]  kill the current wineserver, optionally with signal n\n");
  56     fprintf(stderr, "   -h     display this help message\n");
  57     fprintf(stderr, "\n");
  58 }
  59
  60 static void parse_args( int argc, char *argv[] )
  61 {
  62     int i, ret;
  63
  64     server_argv0 = argv[0];
  65     for (i = 1; i < argc; i++)
  66     {
  67         if (argv[i][0] == '-')
  68         {
  69             switch(argv[i][1])
  70             {
  71             case 'd':
  72                 if (isdigit(argv[i][2])) debug_level = atoi( argv[i] + 2 );
  73                 else debug_level++;
  74                 break;
  75             case 'f':
  76                 foreground = 1;
  77                 break;
  78             case 'h':
  79                 usage();
  80                 exit(0);
  81                 break;
  82             case 'p':
  83                 if (isdigit(argv[i][2])) master_socket_timeout = atoi( argv[i] + 2 );
  84                 else master_socket_timeout = -1;
  85                 break;
  86             case 'w':
  87                 wait_for_lock();
  88                 exit(0);
  89             case 'k':
  90                 if (isdigit(argv[i][2])) ret = kill_lock_owner( atoi(argv[i] + 2) );
  91                 else ret = kill_lock_owner(-1);
  92                 exit( !ret );
  93             default:
  94                 fprintf( stderr, "wineserver: unknown option '%s'\n", argv[i] );
  95                 usage();
  96                 exit(1);
  97             }
  98         }
  99         else
 100         {
 101             fprintf( stderr, "wineserver: unknown argument '%s'.\n", argv[i] );
 102             usage();
 103             exit(1);
 104         }
 105     }
 106 }
 107
 108 static void sigterm_handler()
 109 {
 110     exit(1);  /* make sure atexit functions get called */
 111 }
 112
 113 int main( int argc, char *argv[] )
 114 {
 115     parse_args( argc, argv );
 116
 117     /* setup temporary handlers before the real signal initialization is done */
 118     signal( SIGPIPE, SIG_IGN );
 119     signal( SIGHUP, sigterm_handler );
 120     signal( SIGINT, sigterm_handler );
 121     signal( SIGQUIT, sigterm_handler );
 122     signal( SIGTERM, sigterm_handler );
 123     signal( SIGABRT, sigterm_handler );
 124
 125     sock_init();
 126     open_master_socket();
 127     sync_namespace = create_namespace( 37, TRUE );
 128     setvbuf( stderr, NULL, _IOLBF, 0 );
 129
 130     if (debug_level) fprintf( stderr, "wineserver: starting (pid=%ld)\n", (long) getpid() );
 131     init_signals();
 132     init_registry();
 133     main_loop();
 134
 135 #ifdef DEBUG_OBJECTS
 136     dump_objects();  /* dump any remaining objects */
 137 #endif
 138     return 0;
 139 }