-/** \brief Type of message callback functions.
- * \param msg: The message itself
- * \return true if the message was consumed by the callback, false if the message was
- * refused by the callback (and should be passed to the next callback of the stack for
- * this message)
- *
- * Once a such a function is registered to handle messages of a given type with
- * \ref gras_cb_register(), it will be called each time such a message arrives.
- *
- * If the callback accepts the message, it should free it after use.
- */
-typedef int (*gras_cb_t)(gras_socket_t expeditor,
- void *payload);
-/** \brief Bind the given callback to the given message type
- *
- * Several callbacks can be attached to a given message type. The lastly added one will get the message first, and
- * if it returns false, the message will be passed to the second one.
- * And so on until one of the callbacks accepts the message.
- */
-void gras_cb_register (gras_msgtype_t msgtype,
- gras_cb_t cb);
-/** \brief Unbind the given callback from the given message type */
-void gras_cb_unregister(gras_msgtype_t msgtype,
- gras_cb_t cb);
+ /** \brief Type of message callback functions.
+ *
+ * \param expeditor: a socket to contact who sent this message
+ * \param payload: the message itself
+ *
+ * \return true if the message was consumed by the callback,
+ * false if the message was refused by the callback (and should be
+ * passed to the next callback of the stack for this message)
+ *
+ * Once a such a function is registered to handle messages of a given
+ * type with \ref gras_cb_register(), it will be called each time such
+ * a message arrives (unless a gras_msg_wait() intercepts it on arrival).
+ *
+ * If the callback accepts the message, it should free it after use.
+ */
+ typedef int (*gras_msg_cb_t)(gras_socket_t expeditor,
+ void *payload);
+
+ void gras_cb_register (gras_msgtype_t msgtype, gras_msg_cb_t cb);
+ void gras_cb_unregister(gras_msgtype_t msgtype, gras_msg_cb_t cb);