X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=lib%2Fpidfile.h;h=590a7bc7977d2293b6c085653dbae316de895168;hp=d7b970c164a7cec79e74eb119b16fd8098341575;hb=6d08eb1614b59d5f86a43edda9db06fca72b76cd;hpb=ab7c61b06f6c6e991225f2fcc32d02b8e1084aee

diff --git a/lib/pidfile.h b/lib/pidfile.h
index d7b970c1..590a7bc7 100644
--- a/lib/pidfile.h
+++ b/lib/pidfile.h
@@ -26,7 +26,7 @@
  * 0 is returned if either there's no pidfile, it's empty
  * or no pid can be read.
  */
-pid_t read_pid (char *pidfile);
+extern pid_t read_pid (const char *pidfile);
 
 /* check_pid
  *
@@ -34,19 +34,19 @@ pid_t read_pid (char *pidfile);
  * table (using /proc) to determine if the process already exists. If
  * so 1 is returned, otherwise 0.
  */
-pid_t check_pid (char *pidfile);
+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.
  */
-pid_t write_pid (char *pidfile);
+extern pid_t write_pid (const char *pidfile);
 
 /* remove_pid
  *
  * Remove the the specified file. The result from unlink(2)
  * is returned
  */
-int remove_pid (char *pidfile);
+extern int remove_pid (const char *pidfile);
 #endif