Fix: UST comm protocol: event notifier command is too large

[lttng-ust.git] / include / ust-comm.h

diff --git a/include/ust-comm.h b/include/ust-comm.h
index 49a55d2109e31b6ceca45a8fc09002b2f0e45220..c59003687e64601c565d86f738d82e0962a3ba45 100644 (file)
--- a/include/ust-comm.h
+++ b/include/ust-comm.h
@@ -88,7 +88,6 @@ struct ustcomm_ust_msg {
        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;
@@ -111,6 +110,15 @@ struct ustcomm_ust_msg {
                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;