Re: pg_usleep for multisecond delays
От | Nathan Bossart |
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Тема | Re: pg_usleep for multisecond delays |
Дата | |
Msg-id | 20230210185120.GA810628@nathanxps13 обсуждение исходный текст |
Ответ на | Re: pg_usleep for multisecond delays (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: pg_usleep for multisecond delays
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Список | pgsql-hackers |
On Fri, Feb 10, 2023 at 10:18:34AM -0500, Tom Lane wrote: > Robert Haas <robertmhaas@gmail.com> writes: >> I wonder if we should have a wrapper around WaitLatch() that documents >> that if the latch is set before the time expires, it will reset the >> latch and try again to wait for the remaining time, after checking for >> interrupts etc. > > Resetting the latch seems not very friendly for general-purpose use > ... although I guess we could set it again on the way out. > > BTW, we have an existing pg_sleep() function that deals with all > of this except re-setting the latch. That seems workable. I think it might also need to accept a function pointer for custom interrupt checking (e.g., archiver code should use HandlePgArchInterrupts()). I'll put something together if that sounds alright. -- Nathan Bossart Amazon Web Services: https://aws.amazon.com
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