171 lines
8.2 KiB
C
171 lines
8.2 KiB
C
// Copyright (C) 1995-1999 Microsoft Corporation. All rights reserved.
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/* -----------------------------------------------------------------
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* Microsoft Distributed Transaction Coordinator
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* Microsoft Corporation, 1995.
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*
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* File : xa.h
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*
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* Contents : This file is derived from xa.h as it appears in
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* "Distributed Transaction Processing: The XA Specification",
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* November 93, X/Open Company Limited.
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*
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*/
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/*
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* Start of xa.h header
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*
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* Define a symbol to prevent multiple inclusion of this header file
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*/
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#ifndef XA_H
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#define XA_H
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/*
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* Transaction branch identification: XID and NULLXID:
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*/
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#define XIDDATASIZE 128 /* size in bytes */
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#define MAXGTRIDSIZE 64 /* maximum size in bytes of gtrid */
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#define MAXBQUALSIZE 64 /* maximum size in bytes of bqual */
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#ifndef _XID_T_DEFINED
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#define _XID_T_DEFINED
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struct xid_t
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{
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long formatID; /* format identifier */
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long gtrid_length; /* value not to exceed 64 */
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long bqual_length; /* value not to exceed 64 */
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char data[XIDDATASIZE];
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};
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#endif
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typedef struct xid_t XID;
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/*
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* A value of -1 in formatID means that the XID is null.
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*/
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/*
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* Declarations of routines by which RMs call TMs:
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*/
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#ifdef _TMPROTOTYPES
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extern int __cdecl ax_reg(int, XID *, long);
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extern int __cdecl ax_unreg(int, long);
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#else /* ifndef _TMPROTOTYPES */
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extern int __cdecl ax_reg();
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extern int __cdecl ax_unreg();
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#endif /* ifndef _TMPROTOTYPES */
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/*
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* XA Switch Data Structure
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*/
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#define RMNAMESZ 32 /* length of resource manager name, */
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/* including the null terminator */
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#define MAXINFOSIZE 256 /* maximum size in bytes of xa_info strings, */
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/* including the null terminator */
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#ifndef _XA_SWITCH_T_DEFINED
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#define _XA_SWITCH_T_DEFINED
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struct xa_switch_t
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{
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char name[RMNAMESZ]; /* name of resource manager */
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long flags; /* resource manager specific options */
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long version; /* must be 0 */
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int (__cdecl *xa_open_entry)(char *, int, long); /* xa_open function pointer */
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int (__cdecl *xa_close_entry)(char *, int, long); /* xa_close function pointer*/
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int (__cdecl *xa_start_entry)(XID *, int, long); /* xa_start function pointer */
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int (__cdecl *xa_end_entry)(XID *, int, long); /* xa_end function pointer */
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int (__cdecl *xa_rollback_entry)(XID *, int, long); /* xa_rollback function pointer */
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int (__cdecl *xa_prepare_entry)(XID *, int, long); /* xa_prepare function pointer */
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int (__cdecl *xa_commit_entry)(XID *, int, long); /* xa_commit function pointer */
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int (__cdecl *xa_recover_entry)(XID *, long, int, long);
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/* xa_recover function pointer*/
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int (__cdecl *xa_forget_entry)(XID *, int, long); /* xa_forget function pointer */
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int (__cdecl *xa_complete_entry)(int *, int *, int, long);
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/* xa_complete function pointer */
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};
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typedef struct xa_switch_t xa_switch_t;
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#endif
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/*
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* Flag definitions for the RM switch
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*/
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#define TMNOFLAGS 0x00000000L /* no resource manager features selected */
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#define TMREGISTER 0x00000001L /* resource manager dynamically registers */
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#define TMNOMIGRATE 0x00000002L /* resource manager does not support association migration */
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#define TMUSEASYNC 0x00000004L /* resource manager supports asynchronous operations */
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/*
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* Flag definitions for xa_ and ax_ routines
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*/
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/* use TMNOFLAGS, defined above, when not specifying other flags */
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#define TMASYNC 0x80000000L /* perform routine asynchronously */
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#define TMONEPHASE 0x40000000L /* caller is using one-phase commit optimisation */
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#define TMFAIL 0x20000000L /* dissociates caller and marks transaction branch rollback-only */
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#define TMNOWAIT 0x10000000L /* return if blocking condition exists */
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#define TMRESUME 0x08000000L /* caller is resuming association with suspended transaction branch */
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#define TMSUCCESS 0x04000000L /* dissociate caller from transaction branch */
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#define TMSUSPEND 0x02000000L /* caller is suspending, not ending, association */
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#define TMSTARTRSCAN 0x01000000L /* start a recovery scan */
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#define TMENDRSCAN 0x00800000L /* end a recovery scan */
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#define TMMULTIPLE 0x00400000L /* wait for any asynchronous operation */
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#define TMJOIN 0x00200000L /* caller is joining existing transaction branch */
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#define TMMIGRATE 0x00100000L /* caller intends to perform migration */
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/*
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* ax_() return codes (transaction manager reports to resource manager)
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*/
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#define TM_JOIN 2 /* caller is joining existing transaction branch */
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#define TM_RESUME 1 /* caller is resuming association with suspended transaction branch */
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#define TM_OK 0 /* normal execution */
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#define TMER_TMERR (-1) /* an error occurred in the transaction manager */
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#define TMER_INVAL (-2) /* invalid arguments were given */
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#define TMER_PROTO (-3) /* routine invoked in an improper context */
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/*
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* xa_() return codes (resource manager reports to transaction manager)
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*/
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#define XA_RBBASE 100 /* The inclusive lower bound of the rollback codes */
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#define XA_RBROLLBACK XA_RBBASE /* The rollback was caused by an unspecified reason */
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#define XA_RBCOMMFAIL XA_RBBASE+1 /* The rollback was caused by a communication failure */
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#define XA_RBDEADLOCK XA_RBBASE+2 /* A deadlock was detected */
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#define XA_RBINTEGRITY XA_RBBASE+3 /* A condition that violates the integrity of the resources was detected */
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#define XA_RBOTHER XA_RBBASE+4 /* The resource manager rolled back the transaction branch for a reason not on this list */
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#define XA_RBPROTO XA_RBBASE+5 /* A protocol error occurred in the resource manager */
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#define XA_RBTIMEOUT XA_RBBASE+6 /* A transaction branch took too long */
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#define XA_RBTRANSIENT XA_RBBASE+7 /* May retry the transaction branch */
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#define XA_RBEND XA_RBTRANSIENT /* The inclusive upper bound of the rollback codes */
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#define XA_NOMIGRATE 9 /* resumption must occur where suspension occurred */
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#define XA_HEURHAZ 8 /* the transaction branch may have been heuristically completed */
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#define XA_HEURCOM 7 /* the transaction branch has been heuristically committed */
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#define XA_HEURRB 6 /* the transaction branch has been heuristically rolled back */
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#define XA_HEURMIX 5 /* the transaction branch has been heuristically committed and rolled back */
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#define XA_RETRY 4 /* routine returned with no effect and may be re-issued */
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#define XA_RDONLY 3 /* the transaction branch was read-only and has been committed */
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#define XA_OK 0 /* normal execution */
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#define XAER_ASYNC (-2) /* asynchronous operation already outstanding */
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#define XAER_RMERR (-3) /* a resource manager error occurred in the transaction branch */
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#define XAER_NOTA (-4) /* the XID is not valid */
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#define XAER_INVAL (-5) /* invalid arguments were given */
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#define XAER_PROTO (-6) /* routine invoked in an improper context */
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#define XAER_RMFAIL (-7) /* resource manager unavailable */
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#define XAER_DUPID (-8) /* the XID already exists */
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#define XAER_OUTSIDE (-9) /* resource manager doing work outside */
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/* global transaction */
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/*
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* XA entry point type definitions:
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*/
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typedef int (__cdecl *XA_OPEN_EPT)(char *, int, long); /* xa_open entry point */
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typedef int (__cdecl *XA_CLOSE_EPT)(char *, int, long); /* xa_close entry point*/
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typedef int (__cdecl *XA_START_EPT)(XID *, int, long); /* xa_start entry point */
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typedef int (__cdecl *XA_END_EPT)(XID *, int, long); /* xa_end entry point */
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typedef int (__cdecl *XA_ROLLBACK_EPT)(XID *, int, long);
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/* xa_rollback entry point */
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typedef int (__cdecl *XA_PREPARE_EPT)(XID *, int, long);/* xa_prepare entry point */
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typedef int (__cdecl *XA_COMMIT_EPT)(XID *, int, long); /* xa_commit entry point */
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typedef int (__cdecl *XA_RECOVER_EPT)(XID *, long, int, long);
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/* xa_recover entry point*/
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typedef int (__cdecl *XA_FORGET_EPT)(XID *, int, long); /* xa_forget entry point */
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typedef int (__cdecl *XA_COMPLETE_EPT)(int *, int *, int, long);
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/* xa_complete entry point */
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#endif /* ifndef XA_H */
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/*
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* End of xa.h header
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*/
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