) in the case of <a class="el" href="classipc_1_1session_1_1shm_1_1classic_1_1Session__impl.html#a3b7b7eb37270320a495a26303aaed2c7" title="See session_shm().">m_session_shm</a>, open-only mode (must already exist) for <a class="el" href="classipc_1_1session_1_1shm_1_1classic_1_1Session__impl.html#a5947156dd71df2c59346f0a85647d7f2" title="See app_shm().">m_app_shm</a>. Its main relevant things are: <code>construct&lt;T&gt;</code> (returns <code>shared_ptr&lt;T&gt;</code>, garbage-collected including cross-pr