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Commit43ed068

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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 parent6d78a17 commit43ed068

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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
@@ -1590,15 +1590,27 @@ pgwin32_ServiceMain(DWORD argc, LPTSTR *argv)
15901590
switch (ret)
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{
15921592
caseWAIT_OBJECT_0:/* shutdown event */
1593-
kill(postmasterPID,SIGINT);
1593+
{
1594+
/*
1595+
* status.dwCheckPoint can be incremented by
1596+
* test_postmaster_connection(true), so it might not
1597+
* start from 0.
1598+
*/
1599+
intmaxShutdownCheckPoint=status.dwCheckPoint+12;;
15941600

1595-
/*
1596-
* Increment the checkpoint and try again Abort after 12
1597-
* checkpoints as the postmaster has probably hung
1598-
*/
1599-
while (WaitForSingleObject(postmasterProcess,5000)==WAIT_TIMEOUT&&status.dwCheckPoint<12)
1600-
status.dwCheckPoint++;
1601-
break;
1601+
kill(postmasterPID,SIGINT);
1602+
1603+
/*
1604+
* Increment the checkpoint and try again. Abort after 12
1605+
* checkpoints as the postmaster has probably hung.
1606+
*/
1607+
while (WaitForSingleObject(postmasterProcess,5000)==WAIT_TIMEOUT&&status.dwCheckPoint<maxShutdownCheckPoint)
1608+
{
1609+
status.dwCheckPoint++;
1610+
SetServiceStatus(hStatus, (LPSERVICE_STATUS)&status);
1611+
}
1612+
break;
1613+
}
16021614

16031615
case (WAIT_OBJECT_0+1):/* postmaster went down */
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break;

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