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