+static void close_stream(struct relay_stream *stream,
+ struct lttng_ht *viewer_streams_ht, struct lttng_ht *ctf_traces_ht)
+{
+ int delret;
+ struct relay_viewer_stream *vstream;
+ struct lttng_ht_iter iter;
+
+ assert(stream);
+ assert(viewer_streams_ht);
+
+ delret = close(stream->fd);
+ if (delret < 0) {
+ PERROR("close stream");
+ }
+
+ if (stream->index_fd >= 0) {
+ delret = close(stream->index_fd);
+ if (delret < 0) {
+ PERROR("close stream index_fd");
+ }
+ }
+
+ vstream = live_find_viewer_stream_by_id(stream->stream_handle,
+ viewer_streams_ht);
+ if (vstream) {
+ /*
+ * Set the last good value into the viewer stream. This is done
+ * right before the stream gets deleted from the hash table. The
+ * lookup failure on the live thread side of a stream indicates
+ * that the viewer stream index received value should be used.
+ */
+ vstream->total_index_received = stream->total_index_received;
+ }
+
+ iter.iter.node = &stream->stream_n.node;
+ delret = lttng_ht_del(relay_streams_ht, &iter);
+ assert(!delret);
+ iter.iter.node = &stream->ctf_trace_node.node;
+ delret = lttng_ht_del(ctf_traces_ht, &iter);
+ assert(!delret);
+ call_rcu(&stream->rcu_node, deferred_free_stream);
+ DBG("Closed tracefile %d from close stream", stream->fd);
+}
+