From e40e8c27efeb1c09f4e9f20989274e53fcbc602a Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Fri, 24 Jan 2014 14:01:53 +0100
Subject: uhd: Fix possible freeze-up when using lock/unlock (Solution by
Johannes Demel)
---
gr-uhd/lib/usrp_source_impl.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
(limited to 'gr-uhd/lib/usrp_source_impl.h')
diff --git a/gr-uhd/lib/usrp_source_impl.h b/gr-uhd/lib/usrp_source_impl.h
index 58bb21551c..3cfa1aad35 100644
--- a/gr-uhd/lib/usrp_source_impl.h
+++ b/gr-uhd/lib/usrp_source_impl.h
@@ -22,6 +22,7 @@
#include <gnuradio/uhd/usrp_source.h>
#include <uhd/convert.hpp>
+#include <boost/thread/mutex.hpp>
static const pmt::pmt_t TIME_KEY = pmt::string_to_symbol("rx_time");
static const pmt::pmt_t RATE_KEY = pmt::string_to_symbol("rx_rate");
@@ -121,7 +122,7 @@ namespace gr {
int work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
-
+
private:
::uhd::usrp::multi_usrp::sptr _dev;
const ::uhd::stream_args_t _stream_args;
@@ -142,6 +143,8 @@ namespace gr {
//tag shadows
double _samp_rate;
double _center_freq;
+
+ boost::recursive_mutex d_mutex;
};
} /* namespace uhd */
--
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