ironment, and blocking &ndash; even during deinit &ndash; would be important to avoid. For example, the <code>Session</code> impls' dtors perform this op; we don't want those to block for any significant time if at all avoidable. The reason it's a mere to-do currently is that a bug-free opposing <a class="el" href="classipc_1_1transport_1_1struc_1_1Channel.html" title="Owning and wrapping a pre-connected transport::Channel peer (an endpoint of an established channel ov...">struc::Channel</a> should not let 