X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.cpp;h=61f017660cab050cc5ae84f0b9d626daef69bcca;hp=079d8d89b38ffaec8e42b1c6a7f173e56a46bb30;hb=aca64cac30aadeee90510958b081cd385221b258;hpb=c3a740dd5d095eb1cdf42e00df4d5a5c480ac5b3

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index 079d8d8..61f0176 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -43,6 +43,8 @@
 #include "pv/data/logic.h"
 #include "pv/data/logicsnapshot.h"
 
+using boost::shared_lock;
+using boost::shared_mutex;
 using pv::data::SignalData;
 using std::back_inserter;
 using std::deque;
@@ -51,7 +53,6 @@ using std::lock_guard;
 using std::max;
 using std::make_pair;
 using std::min;
-using std::mutex;
 using std::pair;
 using std::set;
 using std::shared_ptr;
@@ -273,7 +274,7 @@ list<weak_ptr<SelectableItem> > View::selected_items() const
 
 set< shared_ptr<SignalData> > View::get_visible_data() const
 {
-	lock_guard<mutex> lock(session().signals_mutex());
+	shared_lock<shared_mutex> lock(session().signals_mutex());
 	const vector< shared_ptr<Signal> > &sigs(session().signals());
 
 	// Make a set of all the visible data objects
@@ -522,7 +523,7 @@ void View::signals_changed()
 	// Populate the traces
 	clear_child_items();
 
-	lock_guard<mutex> lock(session().signals_mutex());
+	shared_lock<shared_mutex> lock(session().signals_mutex());
 	const vector< shared_ptr<Signal> > &sigs(session().signals());
 	for (auto s : sigs)
 		add_child_item(s);