Generation numbers to catch write back of stale copies

[empserver] / include / sect.h

diff --git a/include/sect.h b/include/sect.h
index 9b6fe8d8e18d7e6d27926259ba68a8ba1c0bd645..62e634cea1e357eb947cf2b2307a9cf3d614d1b5 100644 (file)
--- a/include/sect.h
+++ b/include/sect.h
@@ -46,6 +46,7 @@ struct sctstr {
     /* initial part must match struct empobj */
     signed ef_type: 8;
     unsigned sct_seqno: 12;
+    unsigned sct_generation: 12;
     int sct_uid;               /* equals XYOFFSET(sct_x, sct_y) */
     time_t sct_timestamp;      /* Last time this sector was written to */
     natid sct_own;             /* owner's country num */