diff options
| -rw-r--r-- | src/include/access/xact.h | 49 |
1 files changed, 22 insertions, 27 deletions
diff --git a/src/include/access/xact.h b/src/include/access/xact.h index 960538f4b5f..c512a4a66f9 100644 --- a/src/include/access/xact.h +++ b/src/include/access/xact.h @@ -1,13 +1,13 @@ /*------------------------------------------------------------------------- * * xact.h - * postgres transaction system header + * postgres transaction system definitions * * * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: xact.h,v 1.26 2000/06/08 22:37:38 momjian Exp $ + * $Id: xact.h,v 1.27 2000/07/28 01:04:40 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -17,6 +17,17 @@ #include "access/transam.h" #include "utils/nabstime.h" +/* + * Xact isolation levels + */ +#define XACT_DIRTY_READ 0 /* not implemented */ +#define XACT_READ_COMMITTED 1 +#define XACT_REPEATABLE_READ 2 /* not implemented */ +#define XACT_SERIALIZABLE 3 + +extern int DefaultXactIsoLevel; +extern int XactIsoLevel; + /* ---------------- * transaction state structure * ---------------- @@ -31,16 +42,7 @@ typedef struct TransactionStateData int blockState; } TransactionStateData; -/* - * Xact isolation levels - */ -#define XACT_DIRTY_READ 0 /* not implemented */ -#define XACT_READ_COMMITTED 1 -#define XACT_REPEATABLE_READ 2 /* not implemented */ -#define XACT_SERIALIZABLE 3 - -extern int DefaultXactIsoLevel; -extern int XactIsoLevel; +typedef TransactionStateData *TransactionState; /* ---------------- * transaction states @@ -64,23 +66,16 @@ extern int XactIsoLevel; #define TBLOCK_ABORT 4 #define TBLOCK_ENDABORT 5 -typedef TransactionStateData *TransactionState; - -#define TransactionIdIsValid(xid) ((bool) (xid != NullTransactionId)) +/* ---------------- + * transaction ID manipulation macros + * ---------------- + */ +#define TransactionIdIsValid(xid) ((bool) ((xid) != NullTransactionId)) +#define TransactionIdEquals(id1, id2) ((bool) ((id1) == (id2))) #define TransactionIdStore(xid, dest) \ - (*((TransactionId*)dest) = (TransactionId)xid) + (*((TransactionId*) (dest)) = (TransactionId) (xid)) #define StoreInvalidTransactionId(dest) \ - (*((TransactionId*)dest) = NullTransactionId) - - -/* ---------------------------------------------------------------- - * TransactionIdEquals - * ---------------------------------------------------------------- - */ -#define TransactionIdEquals(id1, id2) \ -( \ - ((bool) ((id1) == (id2))) \ -) + (*((TransactionId*) (dest)) = NullTransactionId) /* ---------------- |