ircd/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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
  22  *  USA
  23  */
  24
  25 #include "stdinc.h"
  26 #include "restart.h"
  27 #include "ircd.h"
  28 #include "send.h"
  29 #include "logger.h"
  30 #include "s_conf.h"
  31 #include "client.h"
  32 #include "ircd_signal.h"
  33
  34 /* external var */
  35 extern char **myargv;
  36
  37 void
  38 restart(const char *mesg)
  39 {
  40         static bool was_here = false;   /* redundant due to restarting flag below */
  41
  42         if(was_here)
  43                 abort();
  44         was_here = true;
  45
  46         ilog(L_MAIN, "Restarting Server because: %s", mesg);
  47
  48         server_reboot();
  49 }
  50
  51 void
  52 server_reboot(void)
  53 {
  54         int i;
  55         char path[PATH_MAX+1];
  56
  57         sendto_realops_snomask(SNO_GENERAL, L_ALL, "Restarting server...");
  58
  59         ilog(L_MAIN, "Restarting server...");
  60
  61         /*
  62          * XXX we used to call flush_connections() here. But since this routine
  63          * doesn't exist anymore, we won't be flushing. This is ok, since
  64          * when close handlers come into existance, rb_close() will be called
  65          * below, and the data flushing will be implicit.
  66          *    -- adrian
  67          *
  68          * bah, for now, the program ain't coming back to here, so forcibly
  69          * close everything the "wrong" way for now, and just LEAVE...
  70          */
  71         for (i = 0; i < maxconnections; ++i)
  72                 close(i);
  73
  74         unlink(pidFileName);
  75         execv(SPATH, (void *)myargv);
  76
  77         /* use this if execv of SPATH fails */
  78         snprintf(path, sizeof(path), "%s/bin/ircd", ConfigFileEntry.dpath);
  79
  80         execv(path, (void *)myargv);
  81         exit(-1);
  82 }