From 05f2f1839c2712ca77e86aa679dc909d051fc23b Mon Sep 17 00:00:00 2001 From: Rainer Gerhards Date: Mon, 8 Nov 2004 13:52:36 +0000 Subject: Initial revision --- pidfile.h | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 pidfile.h (limited to 'pidfile.h') diff --git a/pidfile.h b/pidfile.h new file mode 100644 index 00000000..19d19c16 --- /dev/null +++ b/pidfile.h @@ -0,0 +1,50 @@ +/* + pidfile.h - interact with pidfiles + Copyright (c) 1995 Martin Schulze + + 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., 59 Temple Place - Suite 330, Boston, MA 02111, 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); -- cgit