add tid docs

diff --git a/stapfuncs.5.in b/stapfuncs.5.in
index be93a814788f2bc66bff4636d339f1e187fa5c4c..9c1a03a3b622504e6e66020c291da6f0a4b11bf9 100644 (file)
--- a/stapfuncs.5.in
+++ b/stapfuncs.5.in
@@ -111,11 +111,14 @@ Return the name of the current process.
 pexecname:string()
 Return the name of the parent process.
 .TP
+tid:long ()
+Return the id of the current thread.
+.TP
 pid:long ()
-Return the current pid. 
+Return the id of the current process.
 .TP
 ppid:long ()
-Return the current pid.
+Return the id of the parent process.
 .TP
 uid:long ()
 Return the uid of the current process.