-/* Copyright (c) 2006-2015. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2006-2017. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
/** Returns whether the mailbox contains queued communications */
bool empty();
+ /** Check if there is a communication going on in a mailbox. */
+ bool listen();
+
/** Gets the first element in the queue (without dequeuing it), or nullptr if none is there */
smx_activity_t front();