* offset is assumed to never be 0 here : never deliver a completely empty
* subbuffer. data_size is between 1 and subbuf_size.
*/
* offset is assumed to never be 0 here : never deliver a completely empty
* subbuffer. data_size is between 1 and subbuf_size.
*/
unsigned int subbuf_idx, unsigned long data_size,
struct lttng_ust_shm_handle *handle)
{
unsigned int subbuf_idx, unsigned long data_size,
struct lttng_ust_shm_handle *handle)
{