void (*record_get) (const struct lttng_ust_lib_ring_buffer_config *config,
struct channel *chan, struct lttng_ust_lib_ring_buffer *buf,
size_t offset, size_t *header_len,
void (*record_get) (const struct lttng_ust_lib_ring_buffer_config *config,
struct channel *chan, struct lttng_ust_lib_ring_buffer *buf,
size_t offset, size_t *header_len,