diff options
Diffstat (limited to 'src/backend/access/transam/varsup.c')
| -rw-r--r-- | src/backend/access/transam/varsup.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/backend/access/transam/varsup.c b/src/backend/access/transam/varsup.c index 80618e3de12..4b8e76085bb 100644 --- a/src/backend/access/transam/varsup.c +++ b/src/backend/access/transam/varsup.c @@ -6,7 +6,7 @@ * Copyright (c) 2000, PostgreSQL Global Development Group * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.49 2002/05/25 20:00:11 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.50 2002/06/11 13:40:50 wieck Exp $ * *------------------------------------------------------------------------- */ @@ -61,23 +61,23 @@ GetNewTransactionId(void) * Must set MyProc->xid before releasing XidGenLock. This ensures * that when GetSnapshotData calls ReadNewTransactionId, all active * XIDs before the returned value of nextXid are already present in - * the shared PROC array. Else we have a race condition. + * the shared PGPROC array. Else we have a race condition. * * XXX by storing xid into MyProc without acquiring SInvalLock, we are * relying on fetch/store of an xid to be atomic, else other backends * might see a partially-set xid here. But holding both locks at once * would be a nasty concurrency hit (and in fact could cause a * deadlock against GetSnapshotData). So for now, assume atomicity. - * Note that readers of PROC xid field should be careful to fetch the + * Note that readers of PGPROC xid field should be careful to fetch the * value only once, rather than assume they can read it multiple times * and get the same answer each time. * - * A solution to the atomic-store problem would be to give each PROC its - * own spinlock used only for fetching/storing that PROC's xid. + * A solution to the atomic-store problem would be to give each PGPROC its + * own spinlock used only for fetching/storing that PGPROC's xid. * (SInvalLock would then mean primarily that PROCs couldn't be added/ * removed while holding the lock.) */ - if (MyProc != (PROC *) NULL) + if (MyProc != (PGPROC *) NULL) MyProc->xid = xid; LWLockRelease(XidGenLock); |