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Viewing changes to keepalived/core/pidfile.c

  • Committer: Bazaar Package Importer
  • Author(s): Didier Roche
  • Date: 2009-05-12 20:26:15 UTC
  • mfrom: (1.1.5 upstream)
  • Revision ID: james.westby@ubuntu.com-20090512202615-k850bw35qpuvpq4p
Tags: 1.1.17-1ubuntu1
* Merge from debian unstable, remaining changes:
  - debian/rules: DEB_UPDATE_RCD_PARAMS := expicit init start/stop
    parameters (don't stop at 0 and 6)
  - debian/init.d: init script header adapted to stop rule
  - debian/keepalived.postinst: Remove shutdown and reboot links

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keepalived/core/pidfile.c
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 *
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 * Part:        pidfile utility.
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 *
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 * Version:     $Id: pidfile.c,v 1.1.15 2007/09/15 04:07:41 acassen Exp $
 
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 * Version:     $Id: pidfile.c,v 1.1.17 2009/03/05 01:31:12 acassen Exp $
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 *
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 * Author:      Alexandre Cassen, <acassen@linux-vs.org>
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 *
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 *              as published by the Free Software Foundation; either version
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 *              2 of the License, or (at your option) any later version.
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 *
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 * Copyright (C) 2001-2007 Alexandre Cassen, <acassen@freebox.fr>
 
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 * Copyright (C) 2001-2009 Alexandre Cassen, <acassen@freebox.fr>
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 */
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#include "logger.h"
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#include "pidfile.h"
 
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extern char *main_pidfile;
 
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extern char *checkers_pidfile;
 
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extern char *vrrp_pidfile;
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/* Create the runnnig daemon pidfile */
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int
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        FILE *pidfile = fopen(pid_file, "w");
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        if (!pidfile) {
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                syslog(LOG_INFO, "pidfile_write : Can not open %s pidfile",
 
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                log_message(LOG_INFO, "pidfile_write : Can not open %s pidfile",
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                       pid_file);
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                return 0;
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        }
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        /* If no process is attached to pidfile, remove it */
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        if (kill(pid, 0)) {
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                syslog(LOG_INFO, "Remove a zombie pid file %s", pid_file);
 
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                log_message(LOG_INFO, "Remove a zombie pid file %s", pid_file);
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                pidfile_rm(pid_file);
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                return 0;
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        }
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int
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keepalived_running(int mode)
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{
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        if (process_running(KEEPALIVED_PID_FILE))
 
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        if (process_running(main_pidfile))
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                return 1;
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        else if (mode & 1 || mode & 2)
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                return process_running((mode & 1) ? KEEPALIVED_VRRP_PID_FILE :
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                                       KEEPALIVED_CHECKERS_PID_FILE);
 
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                return process_running((mode & 1) ? vrrp_pidfile :
 
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                                       checkers_pidfile);
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        if (process_running(KEEPALIVED_VRRP_PID_FILE) ||
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            process_running(KEEPALIVED_CHECKERS_PID_FILE))
 
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        if (process_running(vrrp_pidfile) ||
 
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            process_running(checkers_pidfile))
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                return 1;
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        return 0;
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}
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int
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vrrp_running(void)
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{
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        return process_running(VRRP_PID_FILE);
 
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        return process_running(vrrp_pidfile);
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}
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/* Return VRRP child process state */
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int
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checkers_running(void)
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{
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        return process_running(CHECKERS_PID_FILE);
 
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        return process_running(checkers_pidfile);
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}