51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/*
|
|
pidfile.h - interact with pidfiles
|
|
Copyright (c) 1995 Martin Schulze <Martin.Schulze@Linux.DE>
|
|
|
|
This file is part of the sysklogd package, a kernel and system log daemon.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
/* read_pid
|
|
*
|
|
* Reads the specified pidfile and returns the read pid.
|
|
* 0 is returned if either there's no pidfile, it's empty
|
|
* or no pid can be read.
|
|
*/
|
|
int read_pid (char *pidfile);
|
|
|
|
/* check_pid
|
|
*
|
|
* Reads the pid using read_pid and looks up the pid in the process
|
|
* table (using /proc) to determine if the process already exists. If
|
|
* so 1 is returned, otherwise 0.
|
|
*/
|
|
int check_pid (char *pidfile);
|
|
|
|
/* write_pid
|
|
*
|
|
* Writes the pid to the specified file. If that fails 0 is
|
|
* returned, otherwise the pid.
|
|
*/
|
|
int write_pid (char *pidfile);
|
|
|
|
/* remove_pid
|
|
*
|
|
* Remove the the specified file. The result from unlink(2)
|
|
* is returned
|
|
*/
|
|
int remove_pid (char *pidfile);
|