X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fconsumer.h;h=5a11950084bce1f36625ff0ce7809c31ca5eae71;hp=3a0c6c8d8f5e3a737e9ce6da64c3fb4e09c4dd21;hb=75d83e506938a3e673ad19bb11838ee88e977e72;hpb=a9838785aecf564595c531772f7ca906b658afa0

diff --git a/src/common/consumer.h b/src/common/consumer.h
index 3a0c6c8d8..5a1195008 100644
--- a/src/common/consumer.h
+++ b/src/common/consumer.h
@@ -290,6 +290,16 @@ struct lttng_consumer_stream {
 	 * 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;
 };
 
 /*
@@ -386,8 +396,10 @@ struct lttng_consumer_local_data {
 	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 */