X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=sidebyside;f=include%2Flttng%2Fevents.h;h=8c200bdd49787ee7b5960f1bff741eea1413d838;hb=cefd899fc3de0c29491332929cec445e0d459760;hp=2f48f6ef252a99b3f9b3e81b805d24a9da8938f3;hpb=8a44545778a66f5c473b348ff0231145d59e1d21;p=lttng-modules.git

diff --git a/include/lttng/events.h b/include/lttng/events.h
index 2f48f6ef..8c200bdd 100644
--- a/include/lttng/events.h
+++ b/include/lttng/events.h
@@ -109,7 +109,7 @@ struct lttng_kernel_type_array {
 
 struct lttng_kernel_type_sequence {
 	struct lttng_kernel_type_common parent;
-	const char *length_name;	/* Length field name. */
+	const char *length_name;	/* Length field name. If NULL, use previous field. */
 	const struct lttng_kernel_type_common *elem_type;
 	unsigned int alignment;		/* Alignment before elements. */
 	enum lttng_kernel_string_encoding encoding;
@@ -124,7 +124,7 @@ struct lttng_kernel_type_struct {
 
 struct lttng_kernel_type_variant {
 	struct lttng_kernel_type_common parent;
-	const char *tag_name;
+	const char *tag_name;		/* Tag field name. If NULL, use previous field. */
 	const struct lttng_kernel_event_field **choices; /* Array of pointers to fields. */
 	unsigned int nr_choices;
 	unsigned int alignment;
@@ -562,8 +562,7 @@ struct lttng_channel_ops {
 	struct lib_ring_buffer *(*buffer_read_open)(struct channel *chan);
 	int (*buffer_has_read_closed_stream)(struct channel *chan);
 	void (*buffer_read_close)(struct lib_ring_buffer *buf);
-	int (*event_reserve)(struct lib_ring_buffer_ctx *ctx,
-			     uint32_t event_id);
+	int (*event_reserve)(struct lib_ring_buffer_ctx *ctx);
 	void (*event_commit)(struct lib_ring_buffer_ctx *ctx);
 	void (*event_write)(struct lib_ring_buffer_ctx *ctx, const void *src,
 			    size_t len);