release/src/router/miniupnpd/daemonize.h

   1 /* $Id: daemonize.h,v 1.6 2008/01/29 13:04:46 nanard Exp $ */
   2 /* MiniUPnP project
   3  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
   4  * (c) 2006 Thomas Bernard
   5  * This software is subject to the conditions detailed
   6  * in the LICENCE file provided within the distribution */
   7
   8 #ifndef __DAEMONIZE_H__
   9 #define __DAEMONIZE_H__
  10
  11 #include "config.h"
  12
  13 #ifndef USE_DAEMON
  14 /* daemonize()
  15  * "fork" to background, detach from terminal, etc...
  16  * returns: pid of the daemon, exits upon failure */
  17 int
  18 daemonize(void);
  19 #endif
  20
  21 /* writepidfile()
  22  * write the pid to a file */
  23 int
  24 writepidfile(const char * fname, int pid);
  25
  26 /* checkforrunning()
  27  * check for another instance running
  28  * returns: 0 only instance
  29  *          -1 invalid filename
  30  *          -2 another instance running  */
  31 int
  32 checkforrunning(const char * fname);
  33
  34 #endif
  35