X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-registry.h;h=34db29ea13462ec477f47ae4e8d55646f68a19b2;hp=a8466ebf58c64c9260968e77a8e0573925f9b959;hb=93ec662e687dc15a3601704a1e0c96c51ad228c9;hpb=10b56aefc3e1de5cee607994f64c3b8a7d85c391

diff --git a/src/bin/lttng-sessiond/ust-registry.h b/src/bin/lttng-sessiond/ust-registry.h
index a8466ebf5..34db29ea1 100644
--- a/src/bin/lttng-sessiond/ust-registry.h
+++ b/src/bin/lttng-sessiond/ust-registry.h
@@ -68,6 +68,8 @@ struct ust_registry_session {
 	size_t metadata_len, metadata_alloc_len;
 	/* Length of bytes sent to the consumer. */
 	size_t metadata_len_sent;
+	/* Current version of the metadata. */
+	uint64_t metadata_version;
 
 	char root_shm_path[PATH_MAX];
 	char shm_path[PATH_MAX];
@@ -96,6 +98,13 @@ struct ust_registry_session {
 
 	/* Enumerations table. */
 	struct lttng_ht *enums;
+
+	/*
+	 * Copy of the tracer version when the first app is registered.
+	 * It is used if we need to regenerate the metadata.
+	 */
+	uint32_t major;
+	uint32_t minor;
 };
 
 struct ust_registry_channel {