X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fpidfile.h;h=ed539e367913d48220b551847ea2a58e9b323aa1;hp=590a7bc7977d2293b6c085653dbae316de895168;hb=d178b583df9fe2bf3ebb3a7377203efc5c46df32;hpb=4fe3688bc68f77686d2061ee9240509e7158441c

diff --git a/src/pidfile.h b/src/pidfile.h
index 590a7bc7..ed539e36 100644
--- a/src/pidfile.h
+++ b/src/pidfile.h
@@ -1,3 +1,6 @@
+#ifndef TINC_PIDFILE_H
+#define TINC_PIDFILE_H
+
 /*
     pidfile.h - interact with pidfiles
     Copyright (c) 1995  Martin Schulze <Martin.Schulze@Linux.DE>
@@ -50,3 +53,5 @@ extern pid_t write_pid (const char *pidfile);
  */
 extern int remove_pid (const char *pidfile);
 #endif
+
+#endif