comparison transform/TransformFactory.cpp @ 477:e0784311a103

* Start thread to populate uninstalled transforms only on request
  (so runner doesn't have to have it)

     return m_instance;
 }
 
 TransformFactory::TransformFactory() :
     m_transformsPopulated(false),
-    m_uninstalledTransformsPopulated(false)
-{
-    UninstalledTransformsPopulateThread *thread =
-        new UninstalledTransformsPopulateThread(this);
-    thread->start();
+    m_uninstalledTransformsPopulated(false),
+    m_thread(0)
+{
 }
 
 TransformFactory::~TransformFactory()
 {
+}
+
+void
+TransformFactory::startPopulationThread()
+{
+    MutexLocker locker(&m_uninstalledTransformsMutex,
+                       "TransformFactory::startPopulationThread");
+
+    if (m_thread) return;
+
+    m_thread = new UninstalledTransformsPopulateThread(this);
+    m_thread->start();
 }
 
 TransformList
 TransformFactory::getAllTransformDescriptions()
 {