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Diffstat (limited to 'storage/bdb/txn/txn.src')
| -rw-r--r-- | storage/bdb/txn/txn.src | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/storage/bdb/txn/txn.src b/storage/bdb/txn/txn.src new file mode 100644 index 00000000000..3f69b29e3ff --- /dev/null +++ b/storage/bdb/txn/txn.src @@ -0,0 +1,93 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 1996-2002 + * Sleepycat Software. All rights reserved. + * + * $Id: txn.src,v 11.19 2002/03/27 04:33:15 bostic Exp $ + */ + +PREFIX __txn +DBPRIVATE + +INCLUDE #include "db_config.h" +INCLUDE +INCLUDE #ifndef NO_SYSTEM_INCLUDES +INCLUDE #include <sys/types.h> +INCLUDE +INCLUDE #include <ctype.h> +INCLUDE #include <string.h> +INCLUDE #endif +INCLUDE +INCLUDE #include "db_int.h" +INCLUDE #include "dbinc/crypto.h" +INCLUDE #include "dbinc/db_page.h" +INCLUDE #include "dbinc/db_dispatch.h" +INCLUDE #include "dbinc/db_am.h" +INCLUDE #include "dbinc/log.h" +INCLUDE #include "dbinc/rep.h" +INCLUDE #include "dbinc/txn.h" +INCLUDE + +/* + * This is the standard log operation for commit. + * Note that we are using an int32_t for the timestamp. This means that + * in 2039 we will need to deprecate this log record and create one that + * either changes the Epoch or has a 64-bit offset. + */ +BEGIN regop 10 +ARG opcode u_int32_t lu +ARG timestamp int32_t ld +END + +/* + * 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. + * timestamp: + * See comment in commit about timestamps. + */ +BEGIN ckp 11 +POINTER ckp_lsn DB_LSN * lu +POINTER last_ckp DB_LSN * lu +ARG timestamp int32_t ld +END + +/* + * This is the (new) log operation for a child commit. It is + * logged as a record in the PARENT. The child field contains + * the transaction ID of the child committing and the c_lsn is + * the last LSN of the child's log trail. + */ +BEGIN child 12 +ARG child u_int32_t lx +POINTER c_lsn DB_LSN * lu +END + + +/* + * This is the standard log operation for prepare. + */ +BEGIN xa_regop 13 +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 + +/* + * Log the fact that we are recycling txnids. + */ +BEGIN recycle 14 +ARG min u_int32_t u +ARG max u_int32_t u +END |