+/*
+ * Protocol for LTTNG_UST_ABI_CHANNEL command:
+ *
+ * - send: struct ustcomm_ust_msg
+ * - send: file descriptors and channel data
+ * - receive: struct ustcomm_ust_reply
+ *
+ * TODO: At the next breaking protocol bump, we should indicate the total
+ * command message length as part of a message header so that the protocol can
+ * recover from invalid command errors.
+ */