src/or/tor_main.c

   1 /* Copyright 2001-2004 Roger Dingledine.
   2  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
   3  * Copyright (c) 2007-2017, The Tor Project, Inc. */
   4 /* See LICENSE for licensing information */
   5
   6 #include "orconfig.h"
   7 #ifdef ENABLE_RESTART_DEBUGGING
   8 #include <stdlib.h>
   9 #endif
  10
  11 /**
  12  * \file tor_main.c
  13  * \brief Stub module containing a main() function.
  14  *
  15  * We keep the main function in a separate module so that the unit
  16  * tests, which have their own main()s, can link against main.c.
  17  **/
  18
  19 int tor_main(int argc, char *argv[]);
  20
  21 /** We keep main() in a separate file so that our unit tests can use
  22  * functions from main.c.
  23  */
  24 int
  25 main(int argc, char *argv[])
  26 {
  27   int r;
  28 #ifdef ENABLE_RESTART_DEBUGGING
  29   int restart_count = getenv("TOR_DEBUG_RESTART") ? 1 : 0;
  30  again:
  31 #endif
  32   r = tor_main(argc, argv);
  33   if (r < 0 || r > 255)
  34     return 1;
  35 #ifdef ENABLE_RESTART_DEBUGGING
  36   else if (r == 0 && restart_count--)
  37     goto again;
  38 #endif
  39   else
  40     return r;
  41 }
  42