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Commite37662f

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Minor improvements for waitlsn.c
* Remove extra includes * Fill 'cur' in addLSNWaiter() before taking the spinlock * Initialize 'endtime' with zero in WaitForLSN() to avoid compiler warningReported-by: Alvaro Herrera, Masahiko Sawada, Daniel GustafssonDiscussion:https://postgr.es/m/202404030658.hhj3vfxeyhft%40alvherre.pgsqlDiscussion:https://postgr.es/m/CAD21AoAx7irptnPH1OkkkNh9E0M6X-phfX7sYZfwoMsc1qV1sQ%40mail.gmail.com
1 parent9301308 commite37662f

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1 file changed

+4
-14
lines changed

1 file changed

+4
-14
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‎src/backend/commands/waitlsn.c

Lines changed: 4 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -18,28 +18,18 @@
1818
#include<math.h>
1919

2020
#include"pgstat.h"
21-
#include"fmgr.h"
22-
#include"access/transam.h"
23-
#include"access/xact.h"
2421
#include"access/xlog.h"
25-
#include"access/xlogdefs.h"
2622
#include"access/xlogrecovery.h"
27-
#include"catalog/pg_type.h"
2823
#include"commands/waitlsn.h"
29-
#include"executor/spi.h"
3024
#include"funcapi.h"
3125
#include"miscadmin.h"
32-
#include"storage/ipc.h"
3326
#include"storage/latch.h"
34-
#include"storage/pmsignal.h"
3527
#include"storage/proc.h"
3628
#include"storage/shmem.h"
37-
#include"storage/sinvaladt.h"
38-
#include"utils/builtins.h"
3929
#include"utils/pg_lsn.h"
4030
#include"utils/snapmgr.h"
41-
#include"utils/timestamp.h"
4231
#include"utils/fmgrprotos.h"
32+
#include"utils/wait_event_types.h"
4333

4434
/* Add to / delete from shared memory array */
4535
staticvoidaddLSNWaiter(XLogRecPtrlsn);
@@ -88,11 +78,11 @@ addLSNWaiter(XLogRecPtr lsn)
8878
WaitLSNProcInfocur;
8979
inti;
9080

91-
SpinLockAcquire(&waitLSN->mutex);
92-
9381
cur.procnum=MyProcNumber;
9482
cur.waitLSN=lsn;
9583

84+
SpinLockAcquire(&waitLSN->mutex);
85+
9686
for (i=0;i<waitLSN->numWaitedProcs;i++)
9787
{
9888
if (waitLSN->procInfos[i].waitLSN >=cur.waitLSN)
@@ -226,7 +216,7 @@ void
226216
WaitForLSN(XLogRecPtrtargetLSN,int64timeout)
227217
{
228218
XLogRecPtrcurrentLSN;
229-
TimestampTzendtime;
219+
TimestampTzendtime=0;
230220

231221
/* Shouldn't be called when shmem isn't initialized */
232222
Assert(waitLSN);

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