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authorBruce Momjian2002-09-04 20:31:48 +0000
committerBruce Momjian2002-09-04 20:31:48 +0000
commite50f52a074bdf0d6a9dc384840e641c4c0b0bb1a (patch)
treeab73e8c8ec94a6ddc774c1f9c49b87aa6b93fd13 /src/backend/access/transam
parentc91ceec21d357d6d857163d897ac75a79c883dee (diff)
pgindent run.
Diffstat (limited to 'src/backend/access/transam')
-rw-r--r--src/backend/access/transam/transam.c4
-rw-r--r--src/backend/access/transam/varsup.c12
-rw-r--r--src/backend/access/transam/xact.c96
-rw-r--r--src/backend/access/transam/xlog.c75
4 files changed, 95 insertions, 92 deletions
diff --git a/src/backend/access/transam/transam.c b/src/backend/access/transam/transam.c
index c4ca0c7071b..3d3816430af 100644
--- a/src/backend/access/transam/transam.c
+++ b/src/backend/access/transam/transam.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/transam/transam.c,v 1.53 2002/06/20 20:29:25 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/transam.c,v 1.54 2002/09/04 20:31:13 momjian Exp $
*
* NOTES
* This file contains the high level access-method interface to the
@@ -27,7 +27,7 @@
* Flag indicating that we are bootstrapping.
*
* Transaction ID generation is disabled during bootstrap; we just use
- * BootstrapTransactionId. Also, the transaction ID status-check routines
+ * BootstrapTransactionId. Also, the transaction ID status-check routines
* are short-circuited; they claim that BootstrapTransactionId has already
* committed, allowing tuples already inserted to be seen immediately.
* ----------------
diff --git a/src/backend/access/transam/varsup.c b/src/backend/access/transam/varsup.c
index 4b8e76085bb..6453bad761c 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 1.50 2002/06/11 13:40:50 wieck Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.51 2002/09/04 20:31:13 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -68,12 +68,12 @@ GetNewTransactionId(void)
* 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 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.
+ * 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 PGPROC its
- * own spinlock used only for fetching/storing that PGPROC'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.)
*/
diff --git a/src/backend/access/transam/xact.c b/src/backend/access/transam/xact.c
index 1c1121e3e11..fd401e963e2 100644
--- a/src/backend/access/transam/xact.c
+++ b/src/backend/access/transam/xact.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.131 2002/08/30 22:18:05 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.132 2002/09/04 20:31:13 momjian Exp $
*
* NOTES
* Transaction aborts can now occur two ways:
@@ -265,7 +265,6 @@ SetTransactionFlushEnabled(bool state)
{
TransactionFlushState = (state == true);
}
-
#endif
@@ -421,7 +420,7 @@ CommandCounterIncrement(void)
TransactionState s = CurrentTransactionState;
s->commandId += 1;
- if (s->commandId == FirstCommandId) /* check for overflow */
+ if (s->commandId == FirstCommandId) /* check for overflow */
elog(ERROR, "You may only have 2^32-1 commands per transaction");
/* Propagate new command ID into query snapshots, if set */
@@ -517,8 +516,8 @@ void
RecordTransactionCommit(void)
{
/*
- * If we made neither any XLOG entries nor any temp-rel updates,
- * we can omit recording the transaction commit at all.
+ * If we made neither any XLOG entries nor any temp-rel updates, we
+ * can omit recording the transaction commit at all.
*/
if (MyXactMadeXLogEntry || MyXactMadeTempRelUpdate)
{
@@ -531,10 +530,10 @@ RecordTransactionCommit(void)
START_CRIT_SECTION();
/*
- * We only need to log the commit in xlog if the transaction made any
- * transaction-controlled XLOG entries. (Otherwise, its XID appears
- * nowhere in permanent storage, so no one else will ever care if it
- * committed.)
+ * We only need to log the commit in xlog if the transaction made
+ * any transaction-controlled XLOG entries. (Otherwise, its XID
+ * appears nowhere in permanent storage, so no one else will ever
+ * care if it committed.)
*/
if (MyLastRecPtr.xrecoff != 0)
{
@@ -560,20 +559,20 @@ RecordTransactionCommit(void)
}
/*
- * We must flush our XLOG entries to disk if we made any XLOG entries,
- * whether in or out of transaction control. For example, if we
- * reported a nextval() result to the client, this ensures that any
- * XLOG record generated by nextval will hit the disk before we report
- * the transaction committed.
+ * We must flush our XLOG entries to disk if we made any XLOG
+ * entries, whether in or out of transaction control. For
+ * example, if we reported a nextval() result to the client, this
+ * ensures that any XLOG record generated by nextval will hit the
+ * disk before we report the transaction committed.
*/
if (MyXactMadeXLogEntry)
{
/*
* Sleep before flush! So we can flush more than one commit
- * records per single fsync. (The idea is some other backend may
- * do the XLogFlush while we're sleeping. This needs work still,
- * because on most Unixen, the minimum select() delay is 10msec or
- * more, which is way too long.)
+ * records per single fsync. (The idea is some other backend
+ * may do the XLogFlush while we're sleeping. This needs work
+ * still, because on most Unixen, the minimum select() delay
+ * is 10msec or more, which is way too long.)
*
* We do not sleep if enableFsync is not turned on, nor if there
* are fewer than CommitSiblings other backends with active
@@ -593,13 +592,14 @@ RecordTransactionCommit(void)
}
/*
- * We must mark the transaction committed in clog if its XID appears
- * either in permanent rels or in local temporary rels. We test
- * this by seeing if we made transaction-controlled entries *OR*
- * local-rel tuple updates. Note that if we made only the latter,
- * we have not emitted an XLOG record for our commit, and so in the
- * event of a crash the clog update might be lost. This is okay
- * because no one else will ever care whether we committed.
+ * We must mark the transaction committed in clog if its XID
+ * appears either in permanent rels or in local temporary rels.
+ * We test this by seeing if we made transaction-controlled
+ * entries *OR* local-rel tuple updates. Note that if we made
+ * only the latter, we have not emitted an XLOG record for our
+ * commit, and so in the event of a crash the clog update might be
+ * lost. This is okay because no one else will ever care whether
+ * we committed.
*/
if (MyLastRecPtr.xrecoff != 0 || MyXactMadeTempRelUpdate)
TransactionIdCommit(xid);
@@ -628,6 +628,7 @@ AtCommit_Cache(void)
* Clean up the relation cache.
*/
AtEOXact_RelationCache(true);
+
/*
* Make catalog changes visible to all backends.
*/
@@ -698,8 +699,8 @@ RecordTransactionAbort(void)
{
/*
* If we made neither any transaction-controlled XLOG entries nor any
- * temp-rel updates, we can omit recording the transaction abort at all.
- * No one will ever care that it aborted.
+ * temp-rel updates, we can omit recording the transaction abort at
+ * all. No one will ever care that it aborted.
*/
if (MyLastRecPtr.xrecoff != 0 || MyXactMadeTempRelUpdate)
{
@@ -716,11 +717,12 @@ RecordTransactionAbort(void)
START_CRIT_SECTION();
/*
- * We only need to log the abort in XLOG if the transaction made any
- * transaction-controlled XLOG entries. (Otherwise, its XID appears
- * nowhere in permanent storage, so no one else will ever care if it
- * committed.) We do not flush XLOG to disk in any case, since the
- * default assumption after a crash would be that we aborted, anyway.
+ * We only need to log the abort in XLOG if the transaction made
+ * any transaction-controlled XLOG entries. (Otherwise, its XID
+ * appears nowhere in permanent storage, so no one else will ever
+ * care if it committed.) We do not flush XLOG to disk in any
+ * case, since the default assumption after a crash would be that
+ * we aborted, anyway.
*/
if (MyLastRecPtr.xrecoff != 0)
{
@@ -1165,8 +1167,8 @@ StartTransactionCommand(bool preventChain)
TransactionState s = CurrentTransactionState;
/*
- * Remember if caller wants to prevent autocommit-off chaining.
- * This is only allowed if not already in a transaction block.
+ * Remember if caller wants to prevent autocommit-off chaining. This
+ * is only allowed if not already in a transaction block.
*/
suppressChain = preventChain;
if (preventChain && s->blockState != TBLOCK_DEFAULT)
@@ -1260,16 +1262,18 @@ CommitTransactionCommand(bool forceCommit)
{
/*
* If we aren't in a transaction block, and we are doing
- * autocommit, just do our usual transaction commit. But
- * if we aren't doing autocommit, start a transaction block
- * automatically by switching to INPROGRESS state. (We handle
- * this choice here, and not earlier, so that an explicit BEGIN
- * issued in autocommit-off mode won't issue strange warnings.)
+ * autocommit, just do our usual transaction commit. But if
+ * we aren't doing autocommit, start a transaction block
+ * automatically by switching to INPROGRESS state. (We handle
+ * this choice here, and not earlier, so that an explicit
+ * BEGIN issued in autocommit-off mode won't issue strange
+ * warnings.)
*
- * Autocommit mode is forced by either a true forceCommit parameter
- * to me, or a true preventChain parameter to the preceding
- * StartTransactionCommand call. This is needed so that commands
- * like VACUUM can ensure that the right things happen.
+ * Autocommit mode is forced by either a true forceCommit
+ * parameter to me, or a true preventChain parameter to the
+ * preceding StartTransactionCommand call. This is needed so
+ * that commands like VACUUM can ensure that the right things
+ * happen.
*/
case TBLOCK_DEFAULT:
if (autocommit || forceCommit || suppressChain)
@@ -1442,9 +1446,9 @@ BeginTransactionBlock(void)
s->blockState = TBLOCK_BEGIN;
/*
- * do begin processing. NOTE: if you put anything here, check that
- * it behaves properly in both autocommit-on and autocommit-off modes.
- * In the latter case we will already have done some work in the new
+ * do begin processing. NOTE: if you put anything here, check that it
+ * behaves properly in both autocommit-on and autocommit-off modes. In
+ * the latter case we will already have done some work in the new
* transaction.
*/
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index d2955d40584..0ff60292e68 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.105 2002/09/02 02:47:01 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.106 2002/09/04 20:31:13 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -131,13 +131,13 @@ bool InRecovery = false;
*
* Note that XLOG records inserted outside transaction control are not
* reflected into MyLastRecPtr. They do, however, cause MyXactMadeXLogEntry
- * to be set true. The latter can be used to test whether the current xact
+ * to be set true. The latter can be used to test whether the current xact
* made any loggable changes (including out-of-xact changes, such as
* sequence updates).
*
* When we insert/update/delete a tuple in a temporary relation, we do not
* make any XLOG record, since we don't care about recovering the state of
- * the temp rel after a crash. However, we will still need to remember
+ * the temp rel after a crash. However, we will still need to remember
* whether our transaction committed or aborted in that case. So, we must
* set MyXactMadeTempRelUpdate true to indicate that the XID will be of
* interest later.
@@ -151,7 +151,7 @@ bool MyXactMadeTempRelUpdate = false;
/*
* ProcLastRecPtr points to the start of the last XLOG record inserted by the
* current backend. It is updated for all inserts, transaction-controlled
- * or not. ProcLastRecEnd is similar but points to end+1 of last record.
+ * or not. ProcLastRecEnd is similar but points to end+1 of last record.
*/
static XLogRecPtr ProcLastRecPtr = {0, 0};
@@ -162,7 +162,7 @@ XLogRecPtr ProcLastRecEnd = {0, 0};
* (which is almost but not quite the same as a pointer to the most recent
* CHECKPOINT record). We update this from the shared-memory copy,
* XLogCtl->Insert.RedoRecPtr, whenever we can safely do so (ie, when we
- * hold the Insert lock). See XLogInsert for details. We are also allowed
+ * hold the Insert lock). See XLogInsert for details. We are also allowed
* to update from XLogCtl->Insert.RedoRecPtr if we hold the info_lck;
* see GetRedoRecPtr.
*/
@@ -766,7 +766,7 @@ begin:;
/*
* We do not acquire SInvalLock here because of possible deadlock.
* Anyone who wants to inspect other procs' logRec must acquire
- * WALInsertLock, instead. A better solution would be a per-PROC
+ * WALInsertLock, instead. A better solution would be a per-PROC
* spinlock, but no time for that before 7.2 --- tgl 12/19/01.
*/
MyProc->logRec = RecPtr;
@@ -1283,26 +1283,27 @@ XLogFlush(XLogRecPtr record)
/*
* If we still haven't flushed to the request point then we have a
- * problem; most likely, the requested flush point is past end of XLOG.
- * This has been seen to occur when a disk page has a corrupted LSN.
+ * problem; most likely, the requested flush point is past end of
+ * XLOG. This has been seen to occur when a disk page has a corrupted
+ * LSN.
*
* Formerly we treated this as a PANIC condition, but that hurts the
* system's robustness rather than helping it: we do not want to take
* down the whole system due to corruption on one data page. In
- * particular, if the bad page is encountered again during recovery then
- * we would be unable to restart the database at all! (This scenario
- * has actually happened in the field several times with 7.1 releases.
- * Note that we cannot get here while InRedo is true, but if the bad
- * page is brought in and marked dirty during recovery then
+ * particular, if the bad page is encountered again during recovery
+ * then we would be unable to restart the database at all! (This
+ * scenario has actually happened in the field several times with 7.1
+ * releases. Note that we cannot get here while InRedo is true, but if
+ * the bad page is brought in and marked dirty during recovery then
* CreateCheckpoint will try to flush it at the end of recovery.)
*
* The current approach is to ERROR under normal conditions, but only
- * WARNING during recovery, so that the system can be brought up even if
- * there's a corrupt LSN. Note that for calls from xact.c, the ERROR
- * will be promoted to PANIC since xact.c calls this routine inside a
- * critical section. However, calls from bufmgr.c are not within
- * critical sections and so we will not force a restart for a bad LSN
- * on a data page.
+ * WARNING during recovery, so that the system can be brought up even
+ * if there's a corrupt LSN. Note that for calls from xact.c, the
+ * ERROR will be promoted to PANIC since xact.c calls this routine
+ * inside a critical section. However, calls from bufmgr.c are not
+ * within critical sections and so we will not force a restart for a
+ * bad LSN on a data page.
*/
if (XLByteLT(LogwrtResult.Flush, record))
elog(InRecovery ? WARNING : ERROR,
@@ -1565,7 +1566,7 @@ PreallocXlogFiles(XLogRecPtr endptr)
XLByteToPrevSeg(endptr, _logId, _logSeg);
if ((endptr.xrecoff - 1) % XLogSegSize >=
- (uint32) (0.75 * XLogSegSize))
+ (uint32) (0.75 * XLogSegSize))
{
NextLogSeg(_logId, _logSeg);
use_existent = true;
@@ -1618,8 +1619,8 @@ MoveOfflineLogs(uint32 log, uint32 seg, XLogRecPtr endptr)
/*
* Before deleting the file, see if it can be recycled as
* a future log segment. We allow recycling segments up
- * to XLOGfileslop segments beyond the current
- * XLOG location.
+ * to XLOGfileslop segments beyond the current XLOG
+ * location.
*/
if (InstallXLogFileSegment(endlogId, endlogSeg, path,
true, XLOGfileslop,
@@ -2196,7 +2197,7 @@ ReadControlFile(void)
if (ControlFile->catalog_version_no != CATALOG_VERSION_NO)
elog(PANIC,
"The database cluster was initialized with CATALOG_VERSION_NO %d,\n"
- "\tbut the backend was compiled with CATALOG_VERSION_NO %d.\n"
+ "\tbut the backend was compiled with CATALOG_VERSION_NO %d.\n"
"\tIt looks like you need to initdb.",
ControlFile->catalog_version_no, CATALOG_VERSION_NO);
if (ControlFile->blcksz != BLCKSZ)
@@ -2221,7 +2222,7 @@ ReadControlFile(void)
if (ControlFile->funcMaxArgs != FUNC_MAX_ARGS)
elog(PANIC,
- "The database cluster was initialized with FUNC_MAX_ARGS %d,\n"
+ "The database cluster was initialized with FUNC_MAX_ARGS %d,\n"
"\tbut the backend was compiled with FUNC_MAX_ARGS %d.\n"
"\tIt looks like you need to recompile or initdb.",
ControlFile->funcMaxArgs, FUNC_MAX_ARGS);
@@ -2235,21 +2236,21 @@ ReadControlFile(void)
#else
if (ControlFile->enableIntTimes != FALSE)
elog(PANIC,
- "The database cluster was initialized with HAVE_INT64_TIMESTAMP\n"
- "\tbut the backend was compiled without HAVE_INT64_TIMESTAMP.\n"
+ "The database cluster was initialized with HAVE_INT64_TIMESTAMP\n"
+ "\tbut the backend was compiled without HAVE_INT64_TIMESTAMP.\n"
"\tIt looks like you need to recompile or initdb.");
#endif
if (ControlFile->localeBuflen != LOCALE_NAME_BUFLEN)
elog(PANIC,
"The database cluster was initialized with LOCALE_NAME_BUFLEN %d,\n"
- "\tbut the backend was compiled with LOCALE_NAME_BUFLEN %d.\n"
+ "\tbut the backend was compiled with LOCALE_NAME_BUFLEN %d.\n"
"\tIt looks like you need to initdb.",
ControlFile->localeBuflen, LOCALE_NAME_BUFLEN);
if (setlocale(LC_COLLATE, ControlFile->lc_collate) == NULL)
elog(PANIC,
- "The database cluster was initialized with LC_COLLATE '%s',\n"
+ "The database cluster was initialized with LC_COLLATE '%s',\n"
"\twhich is not recognized by setlocale().\n"
"\tIt looks like you need to initdb.",
ControlFile->lc_collate);
@@ -3019,19 +3020,19 @@ CreateCheckPoint(bool shutdown)
}
/*
- * Get UNDO record ptr - this is oldest of PGPROC->logRec values. We do
- * this while holding insert lock to ensure that we won't miss any
+ * Get UNDO record ptr - this is oldest of PGPROC->logRec values. We
+ * do this while holding insert lock to ensure that we won't miss any
* about-to-commit transactions (UNDO must include all xacts that have
* commits after REDO point).
*
* XXX temporarily ifdef'd out to avoid three-way deadlock condition:
* GetUndoRecPtr needs to grab SInvalLock to ensure that it is looking
- * at a stable set of proc records, but grabbing SInvalLock while holding
- * WALInsertLock is no good. GetNewTransactionId may cause a WAL record
- * to be written while holding XidGenLock, and GetSnapshotData needs to
- * get XidGenLock while holding SInvalLock, so there's a risk of deadlock.
- * Need to find a better solution. See pgsql-hackers discussion of
- * 17-Dec-01.
+ * at a stable set of proc records, but grabbing SInvalLock while
+ * holding WALInsertLock is no good. GetNewTransactionId may cause a
+ * WAL record to be written while holding XidGenLock, and
+ * GetSnapshotData needs to get XidGenLock while holding SInvalLock,
+ * so there's a risk of deadlock. Need to find a better solution. See
+ * pgsql-hackers discussion of 17-Dec-01.
*/
#ifdef NOT_USED
checkPoint.undo = GetUndoRecPtr();
@@ -3298,9 +3299,7 @@ assign_xlog_sync_method(const char *method, bool doit, bool interactive)
}
#endif
else
- {
return NULL;
- }
if (!doit)
return method;