int kernel_add_event_context(struct ltt_kernel_event *event,
struct lttng_kernel_context *ctx);
int kernel_create_session(struct ltt_session *session, int tracer_fd);
int kernel_add_event_context(struct ltt_kernel_event *event,
struct lttng_kernel_context *ctx);
int kernel_create_session(struct ltt_session *session, int tracer_fd);