+ std::vector<DataElement> queued_data_copy;
+
+ // Hold the lock for as short as possible, since add_data_raw() can possibly
+ // write to disk, which might disturb the input thread.
+ {
+ MutexLock lock(&queued_data_mutex);
+ if (queued_data.empty()) {
+ return;
+ }
+
+ swap(queued_data, queued_data_copy);
+ }
+
+ // Update the last suitable starting point for the stream,
+ // if the queued data contains such a starting point.
+ size_t byte_position = bytes_received;
+ for (size_t i = 0; i < queued_data_copy.size(); ++i) {
+ if (queued_data_copy[i].suitable_for_stream_start == SUITABLE_FOR_STREAM_START) {
+ last_suitable_starting_point = byte_position;
+ }
+ byte_position += queued_data_copy[i].data.iov_len;