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-rw-r--r--host/lib/usrp/b200/b200_impl.hpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/host/lib/usrp/b200/b200_impl.hpp b/host/lib/usrp/b200/b200_impl.hpp
index 613844ffc..8f03d81ad 100644
--- a/host/lib/usrp/b200/b200_impl.hpp
+++ b/host/lib/usrp/b200/b200_impl.hpp
@@ -117,6 +117,8 @@ private:
boost::weak_ptr<uhd::rx_streamer> _rx_streamer;
boost::weak_ptr<uhd::tx_streamer> _tx_streamer;
+ boost::mutex _transport_setup_mutex;
+
//async ctrl + msgs
uhd::msg_task::sptr _async_task;
typedef uhd::transport::bounded_buffer<uhd::async_metadata_t> async_md_type;