add threadlinklibrary

include/thread.h

diff --git a/include/thread.h b/include/thread.h
index 84adb22..bbcbba5 100644
--- a/include/thread.h
+++ b/include/thread.h
@@ -27,6 +27,11 @@
 void	threaddaemonize(void);
 
 /*
+ * clumsy linker hack
+ */
+void	threadlinklibrary(void);
+
+/*
  * per proc and thread data
  */
 void		**procdata(void);