Re: Restart pg_usleep when interrupted

From: Sami Imseih <samimseih(at)gmail(dot)com>
To: Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>
Cc: Nathan Bossart <nathandbossart(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Restart pg_usleep when interrupted
Date: 2024-08-05 20:07:34
Message-ID: 19E276C9-2C2B-435A-B275-8FA22222AEB8@gmail.com
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> yeah, we already have a few macros that access the .ticks, so maybe we could add
> 2 new ones, say:
>
> 1. INSTR_TIME_ADD_MS(t1, msec)
> 2. INSTR_TIME_IS_GREATER(t1, t2)
>
> I think the less operations is done in the while loop the better.
>

See v4. it includes 2 new instr_time.h macros to simplify the
code insidethe while loop.

Regards,

Sami

Attachment Content-Type Size
v4-0001-vaccum_delay-with-absolute-time-nanosleep.patch application/octet-stream 2.7 KB

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