X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=liblttng-ust-ctl%2Fustctl.c;h=949ece17ace8a2d8ec2a2d624b0451fd5ee83313;hb=287193f9923d1decad45fe4b548af1f1905bfee4;hp=8c38ffaf05dfc169aa82be957ded5d1e4d9aee63;hpb=2c44512a8bb58e1b566c285137c0c38dfa26278f;p=lttng-ust.git

diff --git a/liblttng-ust-ctl/ustctl.c b/liblttng-ust-ctl/ustctl.c
index 8c38ffaf..949ece17 100644
--- a/liblttng-ust-ctl/ustctl.c
+++ b/liblttng-ust-ctl/ustctl.c
@@ -1590,6 +1590,19 @@ void ustctl_flush_buffer(struct ustctl_consumer_stream *stream,
 		consumer_chan->chan->handle);
 }
 
+void ustctl_clear_buffer(struct ustctl_consumer_stream *stream)
+{
+	struct lttng_ust_lib_ring_buffer *buf;
+	struct ustctl_consumer_channel *consumer_chan;
+
+	assert(stream);
+	buf = stream->buf;
+	consumer_chan = stream->chan;
+	lib_ring_buffer_switch_slow(buf, SWITCH_ACTIVE,
+		consumer_chan->chan->handle);
+	lib_ring_buffer_clear_reader(buf, consumer_chan->chan->handle);
+}
+
 static
 struct lttng_ust_client_lib_ring_buffer_client_cb *get_client_cb(
 		struct lttng_ust_lib_ring_buffer *buf,