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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 start background workers using BgWorkerStart_PostmasterStart mode immediately, which would cause problems for a fast shutdown as the postmaster forgets to send SIGTERM to already-started background workers. With smart and immediate shutdowns, this correctly happened, and fast shutdown is the only mode missing the shot. Author: Alexander Kukushkin Reviewed-by: Michael Paquier Discussion: https://postgr.es/m/CAFh8B=mvnD8+DZUfzpi50DoaDfZRDfd7S=gwj5vU9GYn8UvHkA@mail.gmail.com Backpatch-through: 9.5
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@ -2686,7 +2686,7 @@ 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);
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if (pmState == PM_RECOVERY)
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if (pmState == PM_STARTUP || pmState == PM_RECOVERY)
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{
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SignalSomeChildren(SIGTERM, BACKEND_TYPE_BGWORKER);
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