X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer.h;h=3a0c6c8d8f5e3a737e9ce6da64c3fb4e09c4dd21;hb=3eb914c096ff6a91a7d0c4b8bbadb4c85f16aed3;hp=eeaf1100243e1f232a1acb47e0aacdeb4487293c;hpb=30319bcbeabf573068172289850aea0bcfe23abc;p=lttng-tools.git

diff --git a/src/common/consumer.h b/src/common/consumer.h
index eeaf11002..3a0c6c8d8 100644
--- a/src/common/consumer.h
+++ b/src/common/consumer.h
@@ -168,6 +168,16 @@ struct lttng_consumer_channel {
 	 * 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;
 };
 
 /*
@@ -247,6 +257,7 @@ struct lttng_consumer_stream {
 	 *
 	 * 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;
@@ -573,5 +584,7 @@ int consumer_send_status_channel(int sock,
 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 */