uint32_t cmd;
char padding[USTCOMM_MSG_PADDING1];
union {
- struct lttng_ust_event_notifier event_notifier;
struct lttng_ust_channel channel;
struct lttng_ust_stream stream;
struct lttng_ust_event event;
struct lttng_ust_counter counter;
struct lttng_ust_counter_global counter_global;
struct lttng_ust_counter_cpu counter_cpu;
+ /*
+ * For LTTNG_UST_EVENT_NOTIFIER_CREATE, a struct
+ * lttng_ust_event_notifier implicitly follows struct
+ * ustcomm_ust_msg.
+ */
+ struct {
+ /* Length of struct lttng_ust_event_notifier */
+ uint32_t len;
+ } event_notifier;
char padding[USTCOMM_MSG_PADDING2];
} u;
} LTTNG_PACKED;