* monitor list of the channel.
*/
unsigned int monitor;
+
+ /*
+ * Channel lock.
+ *
+ * This is nested INSIDE the consumer data lock.
+ * This is nested OUTSIDE the metadata cache lock.
+ * This is nested OUTSIDE stream lock.
+ * This is nested OUTSIDE consumer_relayd_sock_pair lock.
+ */
+ pthread_mutex_t lock;
};
/*
*
* This is nested INSIDE the consumer_data lock.
* This is nested INSIDE the metadata cache lock.
+ * This is nested INSIDE the channel lock.
* This is nested OUTSIDE consumer_relayd_sock_pair lock.
*/
pthread_mutex_t lock;
* acquired in the destroy path.
*/
unsigned int globally_visible;
+ /*
+ * Pipe to wake up the metadata poll thread when the UST metadata
+ * cache is updated.
+ */
+ int ust_metadata_poll_pipe[2];
+ /*
+ * How much metadata was read from the metadata cache and sent
+ * to the channel.
+ */
+ uint64_t ust_metadata_pushed;
};
/*
enum lttng_consumer_type type;
/* socket to communicate errors with sessiond */
int consumer_error_socket;
- /* socket to ask metadata to sessiond */
+ /* socket to ask metadata to sessiond. */
int consumer_metadata_socket;
+ /* Protect consumer_metadata_socket. */
+ pthread_mutex_t metadata_socket_lock;
/* socket to exchange commands with sessiond */
char *consumer_command_sock_path;
/* communication with splice */
void notify_thread_del_channel(struct lttng_consumer_local_data *ctx,
uint64_t key);
void consumer_destroy_relayd(struct consumer_relayd_sock_pair *relayd);
+unsigned long consumer_get_consumed_maxsize(unsigned long consumed_pos,
+ unsigned long produced_pos, uint64_t max_stream_size);
#endif /* LIB_CONSUMER_H */