Avoid some unnecessary work when destructing QgsCoordinateReferenceSy…

…stemPrivate (cherry picked from commit 97b7ab9)
qgis · Jan 15, 2021 · 9ce4b8b · 9ce4b8b
1 parent 2d339cc
commit 9ce4b8b
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/core/qgscoordinatereferencesystem_p.h b/src/core/qgscoordinatereferencesystem_p.h
@@ -95,8 +95,12 @@ class QgsCoordinateReferenceSystemPrivate : public QSharedData
     ~QgsCoordinateReferenceSystemPrivate()
     {
 #if PROJ_VERSION_MAJOR>=6
-      QgsReadWriteLocker locker( mProjLock, QgsReadWriteLocker::Write );
-      cleanPjObjects();
+      QgsReadWriteLocker locker( mProjLock, QgsReadWriteLocker::Read );
+      if ( !mProjObjects.empty() || mPj )
+      {
+        locker.changeMode( QgsReadWriteLocker::Write );
+        cleanPjObjects();
+      }
 #else
       OSRDestroySpatialReference( mCRS );
 #endif