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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
  22  *  USA
  23  *
  24  */
  25
  26 #include "stdinc.h"
  27 #include "restart.h"
  28 #include "ircd.h"
  29 #include "send.h"
  30 #include "logger.h"
  31 #include "s_conf.h"
  32 #include "client.h"
  33 #include "ircd_signal.h"
  34
  35 /* external var */
  36 extern char **myargv;
  37
  38 void
  39 restart(const char *mesg)
  40 {
  41         static int was_here = NO;       /* redundant due to restarting flag below */
  42
  43         if(was_here)
  44                 abort();
  45         was_here = YES;
  46
  47         ilog(L_MAIN, "Restarting Server because: %s", mesg);
  48
  49         server_reboot();
  50 }
  51
  52 void
  53 server_reboot(void)
  54 {
  55         int i;
  56         char path[PATH_MAX+1];
  57
  58         sendto_realops_snomask(SNO_GENERAL, L_ALL, "Restarting server...");
  59
  60         ilog(L_MAIN, "Restarting server...");
  61
  62         /*
  63          * XXX we used to call flush_connections() here. But since this routine
  64          * doesn't exist anymore, we won't be flushing. This is ok, since
  65          * when close handlers come into existance, rb_close() will be called
  66          * below, and the data flushing will be implicit.
  67          *    -- adrian
  68          *
  69          * bah, for now, the program ain't coming back to here, so forcibly
  70          * close everything the "wrong" way for now, and just LEAVE...
  71          */
  72         for (i = 0; i < maxconnections; ++i)
  73                 close(i);
  74
  75         unlink(pidFileName);
  76         execv(SPATH, (void *)myargv);
  77
  78         /* use this if execv of SPATH fails */
  79         rb_snprintf(path, sizeof(path), "%s/bin/ircd", ConfigFileEntry.dpath);
  80
  81         execv(path, (void *)myargv);
  82         exit(-1);
  83 }