 title="Optional to use by subclasses, this operates a simple state machine that carries out a graceful-sessi...">Graceful_finisher</a> should be used only in <code>*_session_impl</code> pairs that actually have this problem; so of the 3 pairs we've discussed above &ndash; only SHM-jemalloc's ones. The others can completely forego all this.</p>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000034">Todo:</a></b></dt><dd>Consider how to avoid having SHM-jemalloc <a class="el" href="namespaceipc_1