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* -Remove LockMethodTable.prio field, not used (Bruce)

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Bruce Momjian
2002-08-01 05:18:34 +00:00
parent 7dfc7e9e8c
commit 5e6528adf7
3 changed files with 9 additions and 39 deletions
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9
src/include/storage/lock.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: lock.h,v 1.63 2002/07/19 00:17:40 momjian Exp $
* $Id: lock.h,v 1.64 2002/08/01 05:18:34 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -80,10 +80,6 @@ typedef int LOCKMETHOD;
* type conflicts. conflictTab[i] is a mask with the j-th bit
* turned on if lock types i and j conflict.
*
* prio -- each lockmode has a priority, so, for example, waiting
* writers can be given priority over readers (to avoid
* starvation). XXX this field is not actually used at present!
*
* masterLock -- synchronizes access to the table
*
*/
@@ -94,7 +90,6 @@ typedef struct LOCKMETHODTABLE
LOCKMETHOD lockmethod;
int numLockModes;
int conflictTab[MAX_LOCKMODES];
int prio[MAX_LOCKMODES];
LWLockId masterLock;
} LOCKMETHODTABLE;
@@ -215,7 +210,7 @@ typedef struct PROCLOCK
extern void InitLocks(void);
extern LOCKMETHODTABLE *GetLocksMethodTable(LOCK *lock);
extern LOCKMETHOD LockMethodTableInit(char *tabName, LOCKMASK *conflictsP,
int *prioP, int numModes, int maxBackends);
int numModes, int maxBackends);
extern LOCKMETHOD LockMethodTableRename(LOCKMETHOD lockmethod);
extern bool LockAcquire(LOCKMETHOD lockmethod, LOCKTAG *locktag,
TransactionId xid, LOCKMODE lockmode, bool dontWait);