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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 {
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_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;
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;
char padding[USTCOMM_MSG_PADDING2];
} u;
} LTTNG_PACKED;
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