1 files changed, 33 insertions, 0 deletions
diff --git a/src/include/utils/snapmgr.h b/src/include/utils/snapmgr.h
new file mode 100644
index 00000000000..c76c70feaac
--- /dev/null
+++ b/src/include/utils/snapmgr.h
@@ -0,0 +1,33 @@
+/*-------------------------------------------------------------------------
+ *
+ * snapmgr.h
+ *	  POSTGRES snapshot manager
+ *
+ * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * $PostgreSQL: pgsql/src/include/utils/snapmgr.h,v 1.1 2008/03/26 18:48:59 alvherre Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef SNAPMGR_H
+#define SNAPMGR_H
+
+#include "utils/snapshot.h"
+
+
+extern PGDLLIMPORT Snapshot SerializableSnapshot;
+extern PGDLLIMPORT Snapshot LatestSnapshot;
+extern PGDLLIMPORT Snapshot ActiveSnapshot;
+
+extern TransactionId TransactionXmin;
+extern TransactionId RecentXmin;
+extern TransactionId RecentGlobalXmin;
+
+extern Snapshot GetTransactionSnapshot(void);
+extern Snapshot GetLatestSnapshot(void);
+extern Snapshot CopySnapshot(Snapshot snapshot);
+extern void FreeSnapshot(Snapshot snapshot);
+extern void FreeXactSnapshot(void);
+
+#endif /* SNAPMGR_H */