diff options
Diffstat (limited to 'db2/txn/txn.src')
| -rw-r--r-- | db2/txn/txn.src | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/db2/txn/txn.src b/db2/txn/txn.src index 04809b69d6..c9614f6d6b 100644 --- a/db2/txn/txn.src +++ b/db2/txn/txn.src @@ -4,26 +4,52 @@ * Copyright (c) 1996, 1997, 1998 * Sleepycat Software. All rights reserved. * - * @(#)txn.src 10.3 (Sleepycat) 4/10/98 + * @(#)txn.src 10.6 (Sleepycat) 1/3/99 */ PREFIX txn /* - * Everything except for checkpointing takes the same logging routine. + * This is the standard log operation for commit. */ BEGIN regop ARG opcode u_int32_t lu END /* - * This is the checkpoint record. It contains the lsn that the checkpoint - * guarantees and a pointer to the last checkpoint so that we can walk - * backwards by checkpoint. + * This is the checkpoint record. It contains the lsn that the checkpoint + * guarantees and a pointer to the last checkpoint so we can walk backwards + * by checkpoint. + * * ckp_lsn: + * The lsn in the log of the most recent point at which all begun + * transactions have been aborted. This is the point for which + * the checkpoint is relevant. * last_ckp: + * The previous checkpoint. */ BEGIN ckp POINTER ckp_lsn DB_LSN * lu POINTER last_ckp DB_LSN * lu END + +/* + * This is the standard log operation for prepare (since right now + * we only use prepare in an XA environment). + */ +BEGIN xa_regop +ARG opcode u_int32_t lu +DBT xid DBT s +ARG formatID int32_t ld +ARG gtrid u_int32_t u +ARG bqual u_int32_t u +POINTER begin_lsn DB_LSN * lu +END + +/* + * This is the log operation for a child commit. + */ +BEGIN child +ARG opcode u_int32_t lu +ARG parent u_int32_t lu +END |