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  *  $Id: restart.c 24244 2007-08-22 19:04:55Z androsyn $
  25  */
  26
  27 #include "stdinc.h"
  28 #include "restart.h"
  29 #include "ircd.h"
  30 #include "send.h"
  31 #include "s_log.h"
  32 #include "s_conf.h"
  33 #include "client.h"
  34 #include "ircd_signal.h"
  35
  36 /* external var */
  37 extern char **myargv;
  38
  39 extern int maxconnections; /* XXX */
  40
  41 void
  42 restart(const char *mesg)
  43 {
  44         static int was_here = NO;       /* redundant due to restarting flag below */
  45
  46         if(was_here)
  47                 abort();
  48         was_here = YES;
  49
  50         ilog(L_MAIN, "Restarting Server because: %s, memory data limit: %ld", mesg, get_maxrss());
  51
  52         server_reboot();
  53 }
  54
  55 void
  56 server_reboot(void)
  57 {
  58         int i;
  59         char path[PATH_MAX+1];
  60
  61         sendto_realops_snomask(SNO_GENERAL, L_ALL, "Restarting server...");
  62
  63         ilog(L_MAIN, "Restarting server...");
  64
  65         /*
  66          * XXX we used to call flush_connections() here. But since this routine
  67          * doesn't exist anymore, we won't be flushing. This is ok, since
  68          * when close handlers come into existance, rb_close() will be called
  69          * below, and the data flushing will be implicit.
  70          *    -- adrian
  71          *
  72          * bah, for now, the program ain't coming back to here, so forcibly
  73          * close everything the "wrong" way for now, and just LEAVE...
  74          */
  75         for (i = 0; i < maxconnections; ++i)
  76                 close(i);
  77
  78         unlink(pidFileName);
  79         execv(SPATH, (void *)myargv);
  80
  81         /* use this if execv of SPATH fails */
  82         rb_snprintf(path, sizeof(path), "%s/bin/ircd", ConfigFileEntry.dpath);
  83
  84         execv(path, (void *)myargv);
  85         exit(-1);
  86 }