+/* \brief MSG_mailbox_set_async - set a mailbox as eager
+ *
+ * The function MSG_mailbox_set_async sets the mailbox to a permanent receiver mode
+ * Messages sent to this mailbox will then be sent just after the send is issued,
+ * without waiting for the corresponding receive.
+ *
+ * This call should be done before issuing any receive, and on the receiver's side only
+ *
+ * \param alias The alias of the mailbox to modify.
+ *
+ */
+XBT_PUBLIC(void) MSG_mailbox_set_async(const char *alias);
+