diff options
Diffstat (limited to 'src/include/storage/lmgr.h')
| -rw-r--r-- | src/include/storage/lmgr.h | 92 |
1 files changed, 50 insertions, 42 deletions
diff --git a/src/include/storage/lmgr.h b/src/include/storage/lmgr.h index 0d65b29ba0b..debe950c7c5 100644 --- a/src/include/storage/lmgr.h +++ b/src/include/storage/lmgr.h @@ -1,75 +1,83 @@ /*------------------------------------------------------------------------- * * lmgr.h-- - * POSTGRES lock manager definitions. + * POSTGRES lock manager definitions. * * * Copyright (c) 1994, Regents of the University of California * - * $Id: lmgr.h,v 1.5 1997/08/19 21:39:54 momjian Exp $ + * $Id: lmgr.h,v 1.6 1997/09/07 05:01:25 momjian Exp $ * *------------------------------------------------------------------------- */ -#ifndef LMGR_H +#ifndef LMGR_H #define LMGR_H #include <storage/lock.h> #include <utils/rel.h> -/* +/* * This was moved from pladt.h for the new lock manager. Want to obsolete * all of the old code. */ -typedef struct LRelId { - Oid relId; /* a relation identifier */ - Oid dbId; /* a database identifier */ -} LRelId; +typedef struct LRelId +{ + Oid relId; /* a relation identifier */ + Oid dbId; /* a database identifier */ +} LRelId; -typedef struct LockInfoData { - bool initialized; - LRelId lRelId; - TransactionId transactionIdData; - uint16 flags; -} LockInfoData; -typedef LockInfoData *LockInfo; +typedef struct LockInfoData +{ + bool initialized; + LRelId lRelId; + TransactionId transactionIdData; + uint16 flags; +} LockInfoData; +typedef LockInfoData *LockInfo; #define LockInfoIsValid(linfo) \ - ((PointerIsValid(linfo)) && ((LockInfo) linfo)->initialized) + ((PointerIsValid(linfo)) && ((LockInfo) linfo)->initialized) -extern LRelId RelationGetLRelId(Relation relation); -extern Oid LRelIdGetRelationId(LRelId lRelId); -extern void RelationInitLockInfo(Relation relation); -extern void RelationSetLockForDescriptorOpen(Relation relation); -extern void RelationSetLockForRead(Relation relation); -extern void RelationUnsetLockForRead(Relation relation); -extern void RelationSetLockForWrite(Relation relation); -extern void RelationUnsetLockForWrite(Relation relation); +extern LRelId RelationGetLRelId(Relation relation); +extern Oid LRelIdGetRelationId(LRelId lRelId); +extern void RelationInitLockInfo(Relation relation); +extern void RelationSetLockForDescriptorOpen(Relation relation); +extern void RelationSetLockForRead(Relation relation); +extern void RelationUnsetLockForRead(Relation relation); +extern void RelationSetLockForWrite(Relation relation); +extern void RelationUnsetLockForWrite(Relation relation); /* used in vaccum.c */ -extern void RelationSetLockForWritePage(Relation relation, - ItemPointer itemPointer); +extern void +RelationSetLockForWritePage(Relation relation, + ItemPointer itemPointer); /* used in nbtpage.c, hashpage.c */ -extern void RelationSetSingleWLockPage(Relation relation, - ItemPointer itemPointer); -extern void RelationUnsetSingleWLockPage(Relation relation, - ItemPointer itemPointer); -extern void RelationSetSingleRLockPage(Relation relation, - ItemPointer itemPointer); -extern void RelationUnsetSingleRLockPage(Relation relation, - ItemPointer itemPointer); -extern void RelationSetRIntentLock(Relation relation); -extern void RelationUnsetRIntentLock(Relation relation); -extern void RelationSetWIntentLock(Relation relation); -extern void RelationUnsetWIntentLock(Relation relation); +extern void +RelationSetSingleWLockPage(Relation relation, + ItemPointer itemPointer); +extern void +RelationUnsetSingleWLockPage(Relation relation, + ItemPointer itemPointer); +extern void +RelationSetSingleRLockPage(Relation relation, + ItemPointer itemPointer); +extern void +RelationUnsetSingleRLockPage(Relation relation, + ItemPointer itemPointer); +extern void RelationSetRIntentLock(Relation relation); +extern void RelationUnsetRIntentLock(Relation relation); +extern void RelationSetWIntentLock(Relation relation); +extern void RelationUnsetWIntentLock(Relation relation); /* single.c */ -extern bool SingleLockReln(LockInfo linfo, LOCKT lockt, int action); -extern bool SingleLockPage(LockInfo linfo, ItemPointer tidPtr, +extern bool SingleLockReln(LockInfo linfo, LOCKT lockt, int action); +extern bool +SingleLockPage(LockInfo linfo, ItemPointer tidPtr, LOCKT lockt, int action); /* proc.c */ -extern void InitProcGlobal(IPCKey key); +extern void InitProcGlobal(IPCKey key); -#endif /* LMGR_H */ +#endif /* LMGR_H */ |