_session_impl dtor; ...">on_dtor_start()</a> has started) or got hosed (indicating we'll now never know this and must act as-if opposing <a class="el" href="classipc_1_1session_1_1Session__base_1_1Graceful__finisher.html#af441f45ce1ed7b890c3ab77d959f8830" title="The reason Graceful_finisher exists, this method must be called at the start of *_session_impl dtor; ...">on_dtor_start()</a> has started). See "Design" in our doc header. </p>

<p class="definition">Definition at line <a class="el" href="session__b