X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;ds=sidebyside;f=lttng-events.h;h=e8c9afedffc3eb3ac94c1536e72d3943aaf330be;hb=d6589e5c528d559a08ff0726c47cd2080a873914;hp=6b39304f8d114e92387308cac22d74c72e0f5a98;hpb=a26a7e4f2376619bb63519d089caeaf59af4a6b2;p=lttng-modules.git

diff --git a/lttng-events.h b/lttng-events.h
index 6b39304f..e8c9afed 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 {
@@ -236,6 +237,10 @@ struct lttng_channel_ops {
 				      const void *src, size_t len);
 	void (*event_memset)(struct lib_ring_buffer_ctx *ctx,
 			     int c, size_t len);
+	void (*event_strcpy)(struct lib_ring_buffer_ctx *ctx, const char *src,
+			     size_t len);
+	void (*event_strcpy_from_user)(struct lib_ring_buffer_ctx *ctx,
+				       const char __user *src, size_t len);
 	/*
 	 * packet_avail_size returns the available size in the current
 	 * packet. Note that the size returned is only a hint, since it
@@ -307,6 +312,7 @@ struct lttng_metadata_stream {
 	wait_queue_head_t read_wait;	/* Reader buffer-level wait queue */
 	struct list_head list;		/* Stream list */
 	struct lttng_transport *transport;
+	struct mutex lock;
 };
 
 struct lttng_session {
@@ -328,6 +334,7 @@ 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 lttng_session *lttng_session_create(void);
@@ -399,6 +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);