GET_QUEUE_QUE     579 thread_sync.c      VALUE que = GET_QUEUE_QUE(self);
GET_QUEUE_QUE     690 thread_sync.c      rb_ary_push(GET_QUEUE_QUE(self), obj);
GET_QUEUE_QUE     803 thread_sync.c      return rb_ary_shift(GET_QUEUE_QUE(self));
GET_QUEUE_QUE     860 thread_sync.c      rb_ary_clear(GET_QUEUE_QUE(self));
GET_QUEUE_QUE    1079 thread_sync.c      rb_ary_clear(GET_QUEUE_QUE(self));