Index: boost/thread/pthread/shared_mutex.hpp
===================================================================
--- boost/thread/pthread/shared_mutex.hpp	(revision 71487)
+++ boost/thread/pthread/shared_mutex.hpp	(working copy)
@@ -150,7 +150,7 @@
                     if(state.shared_count || state.exclusive)
                     {
                         state.exclusive_waiting_blocked=false;
-                        exclusive_cond.notify_one();
+                        release_waiters();
                         return false;
                     }
                     break;