ceful-close error; B itself correctly interprets this as a session-end trigger; and B throws an error via the <code><a class="el" href="classipc_1_1session_1_1Session.html" title="A documentation-only concept defining the local side of an IPC conversation (session) with another en...">Session</a></code> error handler. Now, the user is told by docs they informally <em>should</em> destroy the B (invoke its dtor) ASAP, but nothing is formally forcing them to; it can sit around. It will never accept channel pas