st once, sets the values returned by <a class="el" href="classipc_1_1session_1_1shm_1_1classic_1_1Session__impl.html#a0bb9a7c360c4c55af64bfd84f1b365da" title="See shm::classic::Session_mv counterpart.">session_shm()</a> and <a class="el" href="classipc_1_1session_1_1shm_1_1classic_1_1Session__impl.html#aa7c4c7d786124d3d147cbbe40844d817" title="See shm::classic::Session_mv counterpart.">app_shm()</a> to non-null values replacing null values. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="par