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Commitdf238b2

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committed
Turn XLOG off (do not create log file).
1 parent3caa56f commitdf238b2

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1 file changed

+36
-5
lines changed
  • src/backend/access/transam

1 file changed

+36
-5
lines changed

‎src/backend/access/transam/xlog.c

Lines changed: 36 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -6,10 +6,11 @@
66
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
77
* Portions Copyright (c) 1994, Regents of the University of California
88
*
9-
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.11 2000/03/07 23:49:31 momjian Exp $
9+
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.12 2000/03/20 07:25:39 vadim Exp $
1010
*
1111
*-------------------------------------------------------------------------
1212
*/
13+
1314
#include<fcntl.h>
1415
#include<unistd.h>
1516
#include<errno.h>
@@ -76,6 +77,13 @@ typedef struct XLogCtlWrite
7677
uint16curridx;/* index of next block to write */
7778
}XLogCtlWrite;
7879

80+
81+
#ifndefHAS_TEST_AND_SET
82+
#defineTAS(lck)0
83+
#defineS_UNLOCK(lck)
84+
#defineS_INIT_LOCK(lck)
85+
#endif
86+
7987
typedefstructXLogCtlData
8088
{
8189
XLogCtlInsertInsert;
@@ -1153,9 +1161,12 @@ BootStrapXLOG()
11531161
{
11541162
intfd;
11551163
charbuffer[BLCKSZ];
1156-
XLogPageHeaderpage= (XLogPageHeader)buffer;
11571164
CheckPointcheckPoint;
1165+
1166+
#ifdefNOT_USED
1167+
XLogPageHeaderpage= (XLogPageHeader)buffer;
11581168
XLogRecord*record;
1169+
#endif
11591170

11601171
#ifndef__CYGWIN__
11611172
fd=open(ControlFilePath,O_RDWR|O_CREAT|O_EXCL,S_IRUSR|S_IWUSR);
@@ -1166,14 +1177,14 @@ BootStrapXLOG()
11661177
elog(STOP,"BootStrapXLOG failed to create control file (%s): %d",
11671178
ControlFilePath,errno);
11681179

1169-
logFile=XLogFileInit(0,0);
1170-
11711180
checkPoint.redo.xlogid=0;
11721181
checkPoint.redo.xrecoff=SizeOfXLogPHD;
11731182
checkPoint.undo=checkPoint.redo;
11741183
checkPoint.nextXid=FirstTransactionId;
11751184
checkPoint.nextOid=BootstrapObjectIdData;
11761185

1186+
#ifdefNOT_USED
1187+
11771188
memset(buffer,0,BLCKSZ);
11781189
page->xlp_magic=XLOG_PAGE_MAGIC;
11791190
page->xlp_info=0;
@@ -1186,6 +1197,8 @@ BootStrapXLOG()
11861197
record->xl_rmid=RM_XLOG_ID;
11871198
memcpy((char*)record+SizeOfXLogRecord,&checkPoint,sizeof(checkPoint));
11881199

1200+
logFile=XLogFileInit(0,0);
1201+
11891202
if (write(logFile,buffer,BLCKSZ)!=BLCKSZ)
11901203
elog(STOP,"BootStrapXLOG failed to write logfile: %d",errno);
11911204

@@ -1195,6 +1208,8 @@ BootStrapXLOG()
11951208
close(logFile);
11961209
logFile=-1;
11971210

1211+
#endif
1212+
11981213
memset(buffer,0,BLCKSZ);
11991214
ControlFile= (ControlFileData*)buffer;
12001215
ControlFile->logId=0;
@@ -1233,15 +1248,17 @@ str_time(time_t tnow)
12331248
void
12341249
StartupXLOG()
12351250
{
1251+
#ifdefNOT_USED
12361252
XLogCtlInsert*Insert;
12371253
CheckPointcheckPoint;
12381254
XLogRecPtrRecPtr,
12391255
LastRec;
12401256
XLogRecord*record;
12411257
charbuffer[MAXLOGRECSZ+SizeOfXLogRecord];
1242-
intfd;
12431258
intrecovery=0;
12441259
boolsie_saved= false;
1260+
#endif
1261+
intfd;
12451262

12461263
elog(LOG,"Data Base System is starting up at %s",str_time(time(NULL)));
12471264

@@ -1321,6 +1338,8 @@ StartupXLOG()
13211338
elog(LOG,"Data Base System was interrupted being in production at %s",
13221339
str_time(ControlFile->time));
13231340

1341+
#ifdefNOT_USED
1342+
13241343
LastRec=RecPtr=ControlFile->checkPoint;
13251344
if (!XRecOffIsValid(RecPtr.xrecoff))
13261345
elog(STOP,"Invalid checkPoint in control file");
@@ -1460,6 +1479,8 @@ StartupXLOG()
14601479
StopIfError=sie_saved;
14611480
}
14621481

1482+
#endif/* NOT_USED */
1483+
14631484
ControlFile->state=DB_IN_PRODUCTION;
14641485
ControlFile->time=time(NULL);
14651486
UpdateControlFile();
@@ -1486,6 +1507,7 @@ ShutdownXLOG()
14861507
void
14871508
CreateCheckPoint(boolshutdown)
14881509
{
1510+
#ifdefNOT_USED
14891511
CheckPointcheckPoint;
14901512
XLogRecPtrrecptr;
14911513
XLogCtlInsert*Insert=&XLogCtl->Insert;
@@ -1548,10 +1570,19 @@ CreateCheckPoint(bool shutdown)
15481570

15491571
XLogFlush(recptr);
15501572

1573+
#endif/* NOT_USED */
1574+
15511575
SpinAcquire(ControlFileLockId);
15521576
if (shutdown)
15531577
ControlFile->state=DB_SHUTDOWNED;
1578+
1579+
#ifdefNOT_USED
15541580
ControlFile->checkPoint=MyLastRecPtr;
1581+
#else
1582+
ControlFile->checkPoint.xlogid=0;
1583+
ControlFile->checkPoint.xrecoff=SizeOfXLogPHD;
1584+
#endif
1585+
15551586
ControlFile->time=time(NULL);
15561587
UpdateControlFile();
15571588
SpinRelease(ControlFileLockId);

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