diff --git a/src/pvxs/sharedpv.h b/src/pvxs/sharedpv.h
index d1d24f1..95e69a7 100644
--- a/src/pvxs/sharedpv.h
+++ b/src/pvxs/sharedpv.h
@@ -99,6 +99,9 @@ struct PVXS_API StaticSource
     //! Fetch the Source interface, which may be used with Server::addSource()
     std::shared_ptr<Source> source() const;
 
+    //! call SharedPV::close() on all PVs
+    void close();
+
     //! Add a new name through which a SharedPV may be addressed.
     StaticSource& add(const std::string& name, const SharedPV& pv);
     //! Remove a single name
diff --git a/src/sharedpv.cpp b/src/sharedpv.cpp
index 8ee79aa..52fbd76 100644
--- a/src/sharedpv.cpp
+++ b/src/sharedpv.cpp
@@ -506,6 +506,20 @@ std::shared_ptr<Source> StaticSource::source() const
     return impl;
 }
 
+void StaticSource::close()
+{
+    if(!impl)
+        throw std::logic_error("Empty StaticSource");
+
+    {
+        auto G(impl->lock.lockReader());
+
+        for(auto& pair : impl->pvs) {
+            pair.second.close();
+        }
+    }
+}
+
 StaticSource& StaticSource::add(const std::string& name, const SharedPV &pv)
 {
     if(!impl)