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- #ifndef __TRANS_H__
- #define __TRANS_H__
- /*
- * $RCSfile: trans.h,v $
- * $Revision: 1.1.1.1 $
- * $Date: 1996/05/04 21:55:20 $
- */
- /**********************************************************************
- * EXODUS Database Toolkit Software
- * Copyright (c) 1991 Computer Sciences Department, University of
- * Wisconsin -- Madison
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * THE COMPUTER SCIENCES DEPARTMENT OF THE UNIVERSITY OF WISCONSIN --
- * MADISON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION.
- * THE DEPARTMENT DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES
- * WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * The EXODUS Project Group requests users of this software to return
- * any improvements or extensions that they make to:
- *
- * EXODUS Project Group
- * c/o David J. DeWitt and Michael J. Carey
- * Computer Sciences Department
- * University of Wisconsin -- Madison
- * Madison, WI 53706
- *
- * or exodus@cs.wisc.edu
- *
- * In addition, the EXODUS Project Group requests that users grant the
- * Computer Sciences Department rights to redistribute these changes.
- **********************************************************************/
-
- #include "trans_states.h"
- #include "forward.h"
-
- /*
- * define a list structure for searching for the transaction id
- */
- class SERVERTRANSREC {
- public:
- TID tid;
- UONE serverTransState;
- SERVERINFO *serverInfo;
- TRANSREC *transRec; /* back ptr to the trans */
- LISTELEMENT participants; /* for list of serverinfos in transrec */
- LISTELEMENT transList; /* for list of transrecs in serverinfo */
-
- void Init();
- void ReInit();
- LISTELEMENT *listlocation(int unique);
- }; /* SERVERTRANSREC */
-
-
- /*
- * define the transaction control block
- */
- struct TransRec_s {
-
- LIST userDescList;
- LIST pageHashList;
- LIST bufGroupList;
- LIST lockHeaderList;
- LIST participants; /* list of participating server/tid/states */
- int numParticipants;
- UONE clientTransState;
- BOOL abortIfError; /* TRUE ==> sm_* aborts if any error occurs */
- TID clientTid;
- SERVERINFO *coordInfo;
- TID coordTid;
-
- #if MAGIC_CHECKING IS_ENABLED
-
- MAGIC magic;
-
- #endif
-
- };
-
- #define CLIENT_ABORT_TID(tidptr) {\
- TRANSREC *transRec = findTransRec(tidptr);\
- if (transRec->clientTransState == T_ACTIVE) {\
- transRec->clientTransState = T_ABORT;\
- }\
- }
-
- #define CLIENT_ABORT_TRANS(transRec)\
- if (transRec->clientTransState == T_ACTIVE) {\
- transRec->clientTransState = T_ABORT;\
- }
-
-
- /*
- * define the transrec structure magic number
- */
- #define TRANSREC_MAGIC 0x2ad505f0
-
-
- /*
- * define the magic checking macros
- */
- #if MAGIC_CHECKING IS_ENABLED
-
-
- #define INIT_TRANSREC_MAGIC(_transRec) \
- \
- (_transRec)->magic = TRANSREC_MAGIC;
-
- #define CHECK_TRANSREC_MAGIC(_transRec) \
- \
- if ((_transRec)->magic != TRANSREC_MAGIC) { \
- \
- SM_ERROR(TYPE_FATAL, esmINTERNAL); \
- }
-
-
- #else
-
-
- #define INIT_TRANSREC_MAGIC(_transRec)
-
- #define CHECK_TRANSREC_MAGIC(_transRec)
-
-
- #endif
- #endif __TRANS_H__
-