1
0
mirror of https://github.com/postgres/postgres.git synced 2025-07-28 23:42:10 +03:00

pgindent run for 8.3.

This commit is contained in:
Bruce Momjian
2007-11-15 21:14:46 +00:00
parent 3adc760fb9
commit fdf5a5efb7
486 changed files with 10044 additions and 9664 deletions

View File

@ -6,7 +6,7 @@
* Copyright (c) 2000-2007, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/transam/varsup.c,v 1.79 2007/09/08 20:31:14 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/transam/varsup.c,v 1.80 2007/11/15 21:14:32 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -73,9 +73,9 @@ GetNewTransactionId(bool isSubXact)
TransactionIdIsValid(ShmemVariableCache->xidVacLimit))
{
/*
* To avoid swamping the postmaster with signals, we issue the
* autovac request only once per 64K transaction starts. This
* still gives plenty of chances before we get into real trouble.
* To avoid swamping the postmaster with signals, we issue the autovac
* request only once per 64K transaction starts. This still gives
* plenty of chances before we get into real trouble.
*/
if (IsUnderPostmaster && (xid % 65536) == 0)
SendPostmasterSignal(PMSIGNAL_START_AUTOVAC_LAUNCHER);
@ -119,9 +119,9 @@ GetNewTransactionId(bool isSubXact)
/*
* We must store the new XID into the shared ProcArray before releasing
* XidGenLock. This ensures that every active XID older than
* latestCompletedXid is present in the ProcArray, which is essential
* for correct OldestXmin tracking; see src/backend/access/transam/README.
* XidGenLock. This ensures that every active XID older than
* latestCompletedXid is present in the ProcArray, which is essential for
* correct OldestXmin tracking; see src/backend/access/transam/README.
*
* XXX by storing xid into MyProc without acquiring ProcArrayLock, we are
* relying on fetch/store of an xid to be atomic, else other backends
@ -249,18 +249,18 @@ SetTransactionIdLimit(TransactionId oldest_datfrozenxid,
xidWarnLimit -= FirstNormalTransactionId;
/*
* We'll start trying to force autovacuums when oldest_datfrozenxid
* gets to be more than autovacuum_freeze_max_age transactions old.
* We'll start trying to force autovacuums when oldest_datfrozenxid gets
* to be more than autovacuum_freeze_max_age transactions old.
*
* Note: guc.c ensures that autovacuum_freeze_max_age is in a sane
* range, so that xidVacLimit will be well before xidWarnLimit.
* Note: guc.c ensures that autovacuum_freeze_max_age is in a sane range,
* so that xidVacLimit will be well before xidWarnLimit.
*
* Note: autovacuum_freeze_max_age is a PGC_POSTMASTER parameter so that
* we don't have to worry about dealing with on-the-fly changes in its
* value. It doesn't look practical to update shared state from a GUC
* assign hook (too many processes would try to execute the hook,
* resulting in race conditions as well as crashes of those not
* connected to shared memory). Perhaps this can be improved someday.
* resulting in race conditions as well as crashes of those not connected
* to shared memory). Perhaps this can be improved someday.
*/
xidVacLimit = oldest_datfrozenxid + autovacuum_freeze_max_age;
if (xidVacLimit < FirstNormalTransactionId)