@@ -52,10 +52,11 @@
 ;; DATABASE
 (define *dbstruct-db*  #f)
 (define *db-stats* (make-hash-table)) ;; hash of vectors < count duration-total >
 (define *db-stats-mutex*      (make-mutex))
 (define *db-sync-mutex*       (make-mutex))
+(define *db-multi-sync-mutex* (make-mutex))
 (define *db-local-sync*       (make-hash-table)) ;; used to record last touch of db
 (define *megatest-db*         #f)
 (define *last-db-access*      (current-seconds))  ;; update when db is accessed via server
 (define *db-write-access*     #t)
 (define *inmemdb*             #f)