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--- a/src/common/rclinit.h
+++ b/src/common/rclinit.h
@@ -57,4 +57,9 @@
 // Check if main thread
 extern bool recoll_ismainthread();
 
+// Should be called while exiting asap when critical cleanup (db
+// close) has been performed. Only useful for the indexer (writes to
+// the db), and only actually does something on Windows.
+extern void recoll_exitready();
+
 #endif /* _RCLINIT_H_INCLUDED_ */