src/include/access/twophase_rmgr.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * twophase_rmgr.h
   4  *        Two-phase-commit resource managers definition
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * src/include/access/twophase_rmgr.h
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef TWOPHASE_RMGR_H
  15 #define TWOPHASE_RMGR_H
  16
  17 typedef void (*TwoPhaseCallback) (TransactionId xid, uint16 info,
  18                                                                   void *recdata, uint32 len);
  19 typedef uint8 TwoPhaseRmgrId;
  20
  21 /*
  22  * Built-in resource managers
  23  */
  24 #define TWOPHASE_RM_END_ID                      0
  25 #define TWOPHASE_RM_LOCK_ID                     1
  26 #define TWOPHASE_RM_PGSTAT_ID           2
  27 #define TWOPHASE_RM_MULTIXACT_ID        3
  28 #define TWOPHASE_RM_PREDICATELOCK_ID    4
  29 #define TWOPHASE_RM_MAX_ID                      TWOPHASE_RM_PREDICATELOCK_ID
  30
  31 extern const TwoPhaseCallback twophase_recover_callbacks[];
  32 extern const TwoPhaseCallback twophase_postcommit_callbacks[];
  33 extern const TwoPhaseCallback twophase_postabort_callbacks[];
  34 extern const TwoPhaseCallback twophase_standby_recover_callbacks[];
  35
  36
  37 extern void RegisterTwoPhaseRecord(TwoPhaseRmgrId rmid, uint16 info,
  38                                                                    const void *data, uint32 len);
  39
  40 #endif                                                  /* TWOPHASE_RMGR_H */