X-Git-Url: https://git.lttng.org/?p=lttng-modules.git;a=blobdiff_plain;f=lttng-events.h;h=7b8294657cc4f6f3d8541a383a4aaa4895ab42fe;hp=e1de1af8974da959230ab8f1920d92f290f2a23b;hb=refs%2Fheads%2Fstable-2.5;hpb=16f78f3ad7dea4a0b442b8c7e0de01935f28e656

diff --git a/lttng-events.h b/lttng-events.h
index e1de1af8..7b829465 100644
--- a/lttng-events.h
+++ b/lttng-events.h
@@ -167,6 +167,7 @@ struct lttng_ctx {
 	struct lttng_ctx_field *fields;
 	unsigned int nr_fields;
 	unsigned int allocated_fields;
+	size_t largest_align;	/* in bytes */
 };
 
 struct lttng_event_desc {
@@ -332,6 +333,8 @@ struct lttng_metadata_cache {
 	unsigned int metadata_written;	/* Number of bytes written in metadata cache */
 	struct kref refcount;		/* Metadata cache usage */
 	struct list_head metadata_stream;	/* Metadata stream list */
+	uuid_le uuid;			/* Trace session unique ID (copy) */
+	struct mutex lock;
 };
 
 struct lttng_session *lttng_session_create(void);
@@ -403,6 +406,7 @@ static inline int lttng_syscalls_unregister(struct lttng_channel *chan)
 #endif
 
 struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);
+void lttng_context_update(struct lttng_ctx *ctx);
 int lttng_find_context(struct lttng_ctx *ctx, const char *name);
 void lttng_remove_context_field(struct lttng_ctx **ctx,
 				struct lttng_ctx_field *field);