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