age queue when the object is loaded or created at runtime. Object
message queues are used for exchanging thread notifications and for
storing concurrent goal solutions and replies to the multi-threading
calls made within the object. The message queue for the
<a class="reference internal" href="../../userman/objects.html#objects-user"><span class="std std-ref">user</span></a> pseudo-object is automatically created at
Logtalk startup (provided that multi-threading programming is supported
and enabled for the 