X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer.h;h=0334c497e75e55dbe8585803cab995ff6c84e2a0;hb=4e9a468645939ea62541fa802893b928b01888b7;hp=df002f81a606c62f75db59bf23d752ec29743e62;hpb=ca22feea083301934d1c8511851c86fb008c0697;p=lttng-tools.git

diff --git a/src/common/consumer.h b/src/common/consumer.h
index df002f81a..0334c497e 100644
--- a/src/common/consumer.h
+++ b/src/common/consumer.h
@@ -74,6 +74,11 @@ enum lttng_consumer_type {
 	LTTNG_CONSUMER32_UST,
 };
 
+enum consumer_endpoint_status {
+	CONSUMER_ENDPOINT_ACTIVE,
+	CONSUMER_ENDPOINT_INACTIVE,
+};
+
 struct lttng_consumer_channel {
 	struct lttng_ht_node_ulong node;
 	int key;
@@ -141,10 +146,22 @@ struct lttng_consumer_stream {
 	uint64_t relayd_stream_id;
 	/* Next sequence number to use for trace packet */
 	uint64_t next_net_seq_num;
-	/* Lock to use the stream FDs since they are used between threads. */
+	/*
+	 * Lock to use the stream FDs since they are used between threads. Using
+	 * this lock with network streaming, when using the control mutex of a
+	 * consumer_relayd_sock_pair, make sure to acquire this lock BEFORE locking
+	 * it and releasing it AFTER the control mutex unlock.
+	 */
 	pthread_mutex_t lock;
 	/* Tracing session id */
 	uint64_t session_id;
+	/*
+	 * Indicates if the stream end point is still active or not (network
+	 * streaming or local file system). The thread "owning" the stream is
+	 * handling this status and can be notified of a state change through the
+	 * consumer data appropriate pipe.
+	 */
+	enum consumer_endpoint_status endpoint_status;
 };
 
 /*