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-rw-r--r--lib/hackrf/hackrf_source_c.cc12
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/hackrf/hackrf_source_c.cc b/lib/hackrf/hackrf_source_c.cc
index 662d04a..03ea3bd 100644
--- a/lib/hackrf/hackrf_source_c.cc
+++ b/lib/hackrf/hackrf_source_c.cc
@@ -30,6 +30,7 @@
#include <stdexcept>
#include <iostream>
+#include <chrono>
#include <gnuradio/io_signature.h>
@@ -203,8 +204,15 @@ int hackrf_source_c::work( int noutput_items,
{
std::unique_lock<std::mutex> lock(_buf_mutex);
- while (_buf_used < 3 && running) // collect at least 3 buffers
- _buf_cond.wait( lock );
+ while (_buf_used < 3 && running) { // collect at least 3 buffers
+ _buf_cond.wait_for( lock , std::chrono::milliseconds(100));
+
+ // Re-check whether the device has closed or stopped streaming
+ if ( _dev.get() )
+ running = (hackrf_is_streaming( _dev.get() ) == HACKRF_TRUE);
+ else
+ running = false;
+ }
}
if ( ! running )