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Commit89f562a

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Stop bgworkers during fast shutdown with postmaster in startup phase
When a postmaster gets into its phase PM_STARTUP, it would startbackground workers using BgWorkerStart_PostmasterStart mode immediately,which would cause problems for a fast shutdown as the postmaster forgetsto send SIGTERM to already-started background workers. With smart andimmediate shutdowns, this correctly happened, and fast shutdown is theonly mode missing the shot.Author: Alexander KukushkinReviewed-by: Michael PaquierDiscussion:https://postgr.es/m/CAFh8B=mvnD8+DZUfzpi50DoaDfZRDfd7S=gwj5vU9GYn8UvHkA@mail.gmail.comBackpatch-through: 9.5
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‎src/backend/postmaster/postmaster.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2734,7 +2734,7 @@ pmdie(SIGNAL_ARGS)
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signal_child(BgWriterPID,SIGTERM);
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if (WalReceiverPID!=0)
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signal_child(WalReceiverPID,SIGTERM);
2737-
if (pmState==PM_RECOVERY)
2737+
if (pmState==PM_STARTUP||pmState==PM_RECOVERY)
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{
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SignalSomeChildren(SIGTERM,BACKEND_TYPE_BGWORKER);
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