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Commitba3caee

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Properly send SCM status updates when shutting down service on Windows
The Service Control Manager should be notified regularly during a shutdownthat takes a long time. Previously we would increaes the counter, but forgotto actually send the notification to the system. The loop counter was alsoincorrectly initalized in the event that the startup of the system took longenough for it to increase, which could cause the shutdown process not to waitas long as expected.Krystian Bigaj, reviewed by Michael Paquier
1 parentcf7d5aa commitba3caee

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‎src/bin/pg_ctl/pg_ctl.c

Lines changed: 20 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -1513,15 +1513,27 @@ pgwin32_ServiceMain(DWORD argc, LPTSTR *argv)
15131513
switch (ret)
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{
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caseWAIT_OBJECT_0:/* shutdown event */
1516-
kill(postmasterPID,SIGINT);
1516+
{
1517+
/*
1518+
* status.dwCheckPoint can be incremented by
1519+
* test_postmaster_connection(true), so it might not
1520+
* start from 0.
1521+
*/
1522+
intmaxShutdownCheckPoint=status.dwCheckPoint+12;;
15171523

1518-
/*
1519-
* Increment the checkpoint and try again Abort after 12
1520-
* checkpoints as the postmaster has probably hung
1521-
*/
1522-
while (WaitForSingleObject(postmasterProcess,5000)==WAIT_TIMEOUT&&status.dwCheckPoint<12)
1523-
status.dwCheckPoint++;
1524-
break;
1524+
kill(postmasterPID,SIGINT);
1525+
1526+
/*
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* Increment the checkpoint and try again. Abort after 12
1528+
* checkpoints as the postmaster has probably hung.
1529+
*/
1530+
while (WaitForSingleObject(postmasterProcess,5000)==WAIT_TIMEOUT&&status.dwCheckPoint<maxShutdownCheckPoint)
1531+
{
1532+
status.dwCheckPoint++;
1533+
SetServiceStatus(hStatus, (LPSERVICE_STATUS)&status);
1534+
}
1535+
break;
1536+
}
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case (WAIT_OBJECT_0+1):/* postmaster went down */
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break;

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