release/src/router/mysql/storage/innodb_plugin/include/trx0xa.h

   1 /*****************************************************************************
   2
   3 Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved.
   4
   5 This program is free software; you can redistribute it and/or modify it under
   6 the terms of the GNU General Public License as published by the Free Software
   7 Foundation; version 2 of the License.
   8
   9 This program is distributed in the hope that it will be useful, but WITHOUT
  10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  11 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
  12
  13 You should have received a copy of the GNU General Public License along with
  14 this program; if not, write to the Free Software Foundation, Inc.,
  15 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  16
  17 *****************************************************************************/
  18
  19 /*
  20  * Start of xa.h header
  21  *
  22  * Define a symbol to prevent multiple inclusions of this header file
  23  */
  24 #ifndef XA_H
  25 #define XA_H
  26
  27 /*
  28  * Transaction branch identification: XID and NULLXID:
  29  */
  30 #ifndef XIDDATASIZE
  31
  32 /** Sizes of transaction identifier */
  33 #define XIDDATASIZE     128             /*!< maximum size of a transaction
  34                                         identifier, in bytes */
  35 #define MAXGTRIDSIZE     64             /*!< maximum size in bytes of gtrid */
  36 #define MAXBQUALSIZE     64             /*!< maximum size in bytes of bqual */
  37
  38 /** X/Open XA distributed transaction identifier */
  39 struct xid_t {
  40         long formatID;                  /*!< format identifier; -1
  41                                         means that the XID is null */
  42         long gtrid_length;              /*!< value from 1 through 64 */
  43         long bqual_length;              /*!< value from 1 through 64 */
  44         char data[XIDDATASIZE];         /*!< distributed transaction
  45                                         identifier */
  46 };
  47 /** X/Open XA distributed transaction identifier */
  48 typedef struct xid_t XID;
  49 #endif
  50 /** X/Open XA distributed transaction status codes */
  51 /* @{ */
  52 #define XA_OK           0               /*!< normal execution */
  53 #define XAER_ASYNC      -2              /*!< asynchronous operation already
  54                                         outstanding */
  55 #define XAER_RMERR      -3              /*!< a resource manager error
  56                                         occurred in the transaction
  57                                         branch */
  58 #define XAER_NOTA       -4              /*!< the XID is not valid */
  59 #define XAER_INVAL      -5              /*!< invalid arguments were given */
  60 #define XAER_PROTO      -6              /*!< routine invoked in an improper
  61                                         context */
  62 #define XAER_RMFAIL     -7              /*!< resource manager unavailable */
  63 #define XAER_DUPID      -8              /*!< the XID already exists */
  64 #define XAER_OUTSIDE    -9              /*!< resource manager doing
  65                                         work outside transaction */
  66 /* @} */
  67 #endif /* ifndef XA_H */
  68 /*
  69  * End of xa.h header
  70  */