Generation numbers to catch write back of stale copies

[empserver] / include / land.h

diff --git a/include/land.h b/include/land.h
index 6f5232ffc12cef5fdbaf17a1412809ef14b725a4..99f9c301faf04c2ce96b9a03888f766ee44fbabb 100644 (file)
--- a/include/land.h
+++ b/include/land.h
@@ -52,6 +52,7 @@ struct lndstr {
     short ef_type;
     short lnd_uid;             /* unit id (land unit) */
     unsigned lnd_seqno;
+    unsigned lnd_generation;
     time_t lnd_timestamp;      /* Last time this unit was touched */
     natid lnd_own;             /* owner's country num */
     coord lnd_x;               /* x location in abs coords */