Index: boost/thread/win32/thread_primitives.hpp =================================================================== --- boost/thread/win32/thread_primitives.hpp (revision 80628) +++ boost/thread/win32/thread_primitives.hpp (working copy) @@ -232,7 +232,7 @@ BOOST_VERIFY(ReleaseSemaphore(semaphore,count,0)!=0); } - class handle_manager + class BOOST_THREAD_DECL handle_manager { private: handle handle_to_manage;