Re: pgbench: option delaying queries till connections establishment?

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, Marina Polyakova <m(dot)polyakova(at)postgrespro(dot)ru>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, kuroda(dot)hayato(at)fujitsu(dot)com, David Rowley <dgrowleyml(at)gmail(dot)com>
Subject: Re: pgbench: option delaying queries till connections establishment?
Date: 2021-03-13 03:37:11
Message-ID: CA+hUKG+w_5ScE0Q-_9BGR8hFd486nZegn5y-6p-PzzYiHTc1Rw@mail.gmail.com
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On Sat, Mar 13, 2021 at 4:09 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> OK, cool. I don't think it's hard, just do
>
> if test "$enable_thread_safety" = yes; then
> AC_REPLACE_FUNCS(pthread_barrier_wait)
> fi
>
> Probably this check should be likewise conditional:
>
> AC_SEARCH_LIBS(pthread_barrier_wait, pthread)

Thanks. This seems to work for me on a Mac. I confirmed with nm that
we don't define or reference any pthread_XXX symbols with
--disable-thread-safety, and we do otherwise, and the pgbench tests
pass either way.

Attachment Content-Type Size
0001-Fix-new-pthread-code-to-respect-disable-thread-safet.patch application/octet-stream 6.8 KB

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