release/src/router/mysql/storage/ndb/include/kernel/signaldata/TcKeyFailConf.hpp

   1 /* Copyright (c) 2003-2005 MySQL AB
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 of the License.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA */
  15
  16 #ifndef TCKEYFAILCONF_HPP
  17 #define TCKEYFAILCONF_HPP
  18
  19 #include <NodeBitmask.hpp>
  20
  21 /**
  22  * This is signal is sent from "Take-Over" TC after a node crash
  23  * It means that the transaction was committed
  24  */
  25 class TcKeyFailConf {
  26   /**
  27    * Sender(s)
  28    */
  29   friend class Dbtc;
  30
  31   /**
  32    *  Reciver(s)
  33    */
  34   friend class Ndb;
  35   friend class NdbTransaction;
  36
  37 public:
  38   STATIC_CONST( SignalLength = 3 );
  39 private:
  40
  41   /**
  42    * apiConnectPtr
  43    *
  44    * Bit 0 (lowest) is used as indicator
  45    *                if == 1 then tc expects a commit ack
  46    */
  47   Uint32 apiConnectPtr;
  48   Uint32 transId1;
  49   Uint32 transId2;
  50 };
  51
  52 #endif