comparison base/XmlExportable.cpp @ 85:ea730e3f9ace

* Ensure consistent ordering of layer text labels
* Fix erroneous SR mismatch warning when adding a wave-file model when
  no other wave-file model is present (only models that don't assert any
  particular playback samplerate)

     COPYING included with this distribution for more information.
 */
 
 #include "XmlExportable.h"
 #include <map>
+#include <QMutex>
+#include <QMutexLocker>
 
 QString
 XmlExportable::encodeEntities(QString s)
 {
     s

 }
 
 int
 XmlExportable::getObjectExportId(const void * object)
 {
+    static QMutex mutex;
+    QMutexLocker locker(&mutex);
+
     static std::map<const void *, int> idMap;
     static int maxId = 0;
     
     if (idMap.find(object) == idMap.end()) {
 	idMap[object] = maxId++;