From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Tue, 16 Jul 2013 00:22:48 +0000 (-0400)
Subject: Introduce pipe for UST metadata cache and stream
X-Git-Tag: v2.3.0-rc1~21
X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=commitdiff_plain;h=feb78e88e113ec8c6918253e93136b5f6235ad31;ds=sidebyside

Introduce pipe for UST metadata cache and stream

Reviewed-by: Julien Desfossez <julien.desfossez@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/src/common/consumer.h b/src/common/consumer.h
index 3a0c6c8d8..fe396c017 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;
 };
 
 /*