Modernize the build system.

[tinc] / src / pidfile.h

diff --git a/src/pidfile.h b/src/pidfile.h
new file mode 100644 (file)
index 0000000..590a7bc
--- /dev/null
+++ b/src/pidfile.h
@@ -0,0 +1,52 @@
+/*
+    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.,
+    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