diff options
Diffstat (limited to 'bdb/dbinc/txn.h')
| -rw-r--r-- | bdb/dbinc/txn.h | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/bdb/dbinc/txn.h b/bdb/dbinc/txn.h deleted file mode 100644 index 31b00a6ba74..00000000000 --- a/bdb/dbinc/txn.h +++ /dev/null @@ -1,143 +0,0 @@ -/*- - * See the file LICENSE for redistribution information. - * - * Copyright (c) 1996-2002 - * Sleepycat Software. All rights reserved. - * - * $Id: txn.h,v 11.43 2002/08/29 14:22:19 margo Exp $ - */ - -#ifndef _TXN_H_ -#define _TXN_H_ - -#include "dbinc/xa.h" - -/* Operation parameters to the delayed commit processing code. */ -typedef enum { - TXN_REMOVE, /* Remove a file. */ - TXN_TRADE, /* Trade lockers. */ - TXN_TRADED /* Already traded; downgrade lock. */ -} TXN_EVENT_T; - -struct __db_txnregion; typedef struct __db_txnregion DB_TXNREGION; - -/* - * !!! - * TXN_MINIMUM = (DB_LOCK_MAXID + 1) but this makes compilers complain. - */ -#define TXN_MINIMUM 0x80000000 -#define TXN_MAXIMUM 0xffffffff /* Maximum number of txn ids. */ -#define TXN_INVALID 0 /* Invalid transaction ID. */ - -#define DEF_MAX_TXNS 20 /* Default max transactions. */ - -/* - * Internal data maintained in shared memory for each transaction. - */ -typedef struct __txn_detail { - u_int32_t txnid; /* current transaction id - used to link free list also */ - DB_LSN last_lsn; /* last lsn written for this txn */ - DB_LSN begin_lsn; /* lsn of begin record */ - roff_t parent; /* Offset of transaction's parent. */ - -#define TXN_RUNNING 1 -#define TXN_ABORTED 2 -#define TXN_PREPARED 3 -#define TXN_COMMITTED 4 - u_int32_t status; /* status of the transaction */ -#define TXN_COLLECTED 0x1 -#define TXN_RESTORED 0x2 - u_int32_t flags; /* collected during txn_recover */ - - SH_TAILQ_ENTRY links; /* free/active list */ - -#define TXN_XA_ABORTED 1 -#define TXN_XA_DEADLOCKED 2 -#define TXN_XA_ENDED 3 -#define TXN_XA_PREPARED 4 -#define TXN_XA_STARTED 5 -#define TXN_XA_SUSPENDED 6 - u_int32_t xa_status; /* XA status */ - - /* - * XID (xid_t) structure: because these fields are logged, the - * sizes have to be explicit. - */ - u_int8_t xid[XIDDATASIZE]; /* XA global transaction id */ - u_int32_t bqual; /* bqual_length from XID */ - u_int32_t gtrid; /* gtrid_length from XID */ - int32_t format; /* XA format */ -} TXN_DETAIL; - -/* - * DB_TXNMGR -- - * The transaction manager encapsulates the transaction system. - */ -struct __db_txnmgr { -/* - * These fields need to be protected for multi-threaded support. - * - * !!! - * As this structure is allocated in per-process memory, the mutex may need - * to be stored elsewhere on architectures unable to support mutexes in heap - * memory, e.g., HP/UX 9. - */ - DB_MUTEX *mutexp; /* Lock list of active transactions - * (including the content of each - * TXN_DETAIL structure on the list). - */ - /* List of active transactions. */ - TAILQ_HEAD(_chain, __db_txn) txn_chain; - u_int32_t n_discards; /* Number of txns discarded. */ - -/* These fields are never updated after creation, and so not protected. */ - DB_ENV *dbenv; /* Environment. */ - REGINFO reginfo; /* Region information. */ -}; - -/* - * DB_TXNREGION -- - * The primary transaction data structure in the shared memory region. - */ -struct __db_txnregion { - u_int32_t maxtxns; /* maximum number of active TXNs */ - u_int32_t last_txnid; /* last transaction id given out */ - u_int32_t cur_maxid; /* current max unused id. */ - DB_LSN last_ckp; /* lsn of the last checkpoint */ - time_t time_ckp; /* time of last checkpoint */ - u_int32_t logtype; /* type of logging */ - u_int32_t locktype; /* lock type */ - DB_TXN_STAT stat; /* Statistics for txns. */ - -#define TXN_IN_RECOVERY 0x01 /* environment is being recovered */ - u_int32_t flags; - /* active TXN list */ - SH_TAILQ_HEAD(__active) active_txn; -#ifdef HAVE_MUTEX_SYSTEM_RESOURCES -#define TXN_MAINT_SIZE (sizeof(roff_t) * DB_MAX_HANDLES) - - roff_t maint_off; /* offset of region maintenance info */ -#endif -}; - -/* - * Log record types. Note that these are *not* alphabetical. This is - * intentional so that we don't change the meaning of values between - * software upgrades. EXPECTED, UNEXPECTED, IGNORE, NOTFOUND and OK - * are used in the - * txnlist functions. - */ -#define TXN_OK 0 -#define TXN_COMMIT 1 -#define TXN_PREPARE 2 -#define TXN_ABORT 3 -#define TXN_NOTFOUND 4 -#define TXN_IGNORE 5 -#define TXN_EXPECTED 6 -#define TXN_UNEXPECTED 7 - -#include "dbinc_auto/txn_auto.h" -#include "dbinc_auto/txn_ext.h" -#include "dbinc_auto/xa_ext.h" -#endif /* !_TXN_H_ */ |