X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fpidfile.h;fp=src%2Fpidfile.h;h=590a7bc7977d2293b6c085653dbae316de895168;hb=68f4ca711593416d0defd81199b176ba604c6cb1;hp=0000000000000000000000000000000000000000;hpb=fc74f52df914ac67ef27d10fa9ba4bfa11c2f40e;p=tinc diff --git a/src/pidfile.h b/src/pidfile.h new file mode 100644 index 00000000..590a7bc7 --- /dev/null +++ b/src/pidfile.h @@ -0,0 +1,52 @@ +/* + 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., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef HAVE_MINGW +/* 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. + */ +extern pid_t read_pid (const 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. + */ +extern pid_t check_pid (const char *pidfile); + +/* write_pid + * + * Writes the pid to the specified file. If that fails 0 is + * returned, otherwise the pid. + */ +extern pid_t write_pid (const char *pidfile); + +/* remove_pid + * + * Remove the the specified file. The result from unlink(2) + * is returned + */ +extern int remove_pid (const char *pidfile); +#endif