X-Git-Url: http://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Fdecoder.cpp;fp=pv%2Fdata%2Fdecoder.cpp;h=133fcd19d44b1f9a0c9fec43b94283a418628cf9;hp=8a84fd4d8f4e9032a3876eaeb9ee405587fa9602;hb=fe89c96185dba8ccf02b6b3d0994c2e149198c73;hpb=b6b267bba9d55d23fe5c3537e4785238d4377ad7;ds=sidebyside

diff --git a/pv/data/decoder.cpp b/pv/data/decoder.cpp
index 8a84fd4d..133fcd19 100644
--- a/pv/data/decoder.cpp
+++ b/pv/data/decoder.cpp
@@ -43,6 +43,8 @@ const double Decoder::DecodeMargin = 1.0;
 const double Decoder::DecodeThreshold = 0.2;
 const int64_t Decoder::DecodeChunkLength = 4096;
 
+mutex Decoder::_global_decode_mutex;
+
 Decoder::Decoder(const srd_decoder *const dec,
 	std::map<const srd_probe*,
 		boost::shared_ptr<pv::view::LogicSignal> > probes,
@@ -191,6 +193,8 @@ void Decoder::decode_proc(shared_ptr<data::Logic> data)
 		!this_thread::interruption_requested() && i < sample_count;
 		i += DecodeChunkLength)
 	{
+		lock_guard<mutex> decode_lock(_global_decode_mutex);
+
 		const int64_t chunk_end = min(
 			i + DecodeChunkLength, sample_count);
 		snapshot->get_samples(chunk, i, chunk_end);