K 10 svn:author V 7 davidxu K 8 svn:date V 27 2010-11-08T00:38:54.374550Z K 7 svn:log V 219 Create seperated function cond_broadcast_comm and cond_signal_common. Add c_destorying and c_refcount fields, so that condition varible can be safely destroyed after pthread_cond_broadcast(), this is required by POSIX. END