libthreads: export thread_join() in header

diff --git a/libthreads.h b/libthreads.h
index f8a86cdfb5f24e2c42c28955fcc52a8dd2351cb2..3324fccfdf0b902866748ec964ca15ebc4071783 100644 (file)
--- a/libthreads.h
+++ b/libthreads.h
@@ -22,5 +22,6 @@ struct thread {
 };
 
 int thread_create(struct thread *t, void (*start_routine), void *arg);
+void thread_join(struct thread *t);
 
 #endif /* __LIBTHREADS_H__ */