src/restart.c

   1 /*
   2  *  ircd-ratbox: A slightly useful ircd.
   3  *  restart.c: Functions to allow the ircd to restart.
   4  *
   5  *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
   6  *  Copyright (C) 1996-2002 Hybrid Development Team
   7  *  Copyright (C) 2002-2005 ircd-ratbox development team
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  22  *  USA
  23  *
  24  *  $Id: restart.c 3354 2007-04-03 09:21:31Z nenolod $
  25  */
  26
  27 #include "stdinc.h"
  28 #include "tools.h"
  29 #include "restart.h"
  30 #include "common.h"
  31 #include "ircd.h"
  32 #include "send.h"
  33 #include "s_log.h"
  34 #include "client.h"             /* for FLAGS_ALL */
  35 #include "memory.h"
  36
  37 /* external var */
  38 extern char **myargv;
  39
  40 void
  41 restart(const char *mesg)
  42 {
  43         static int was_here = NO;       /* redundant due to restarting flag below */
  44
  45         if(was_here)
  46                 abort();
  47         was_here = YES;
  48
  49         ilog(L_MAIN, "Restarting Server because: %s", mesg);
  50
  51         server_reboot();
  52 }
  53
  54 void
  55 server_reboot(void)
  56 {
  57         int i;
  58         int maxconn = comm_get_maxconnections();
  59
  60         sendto_realops_snomask(SNO_GENERAL, L_ALL, "Restarting server...");
  61
  62         ilog(L_MAIN, "Restarting server...");
  63         /*
  64          * XXX we used to call flush_connections() here. But since this routine
  65          * doesn't exist anymore, we won't be flushing. This is ok, since
  66          * when close handlers come into existance, comm_close() will be called
  67          * below, and the data flushing will be implicit.
  68          *    -- adrian
  69          *
  70          * bah, for now, the program ain't coming back to here, so forcibly
  71          * close everything the "wrong" way for now, and just LEAVE...
  72          */
  73         for (i = 0; i < maxconn; ++i)
  74                 close(i);
  75
  76         unlink(pidFileName);
  77         execv(SPATH, myargv);
  78
  79         exit(-1);
  80 }