Re: pgsql: Use SIGURG rather than SIGUSR1 for latches.

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От Thomas Munro
Тема Re: pgsql: Use SIGURG rather than SIGUSR1 for latches.
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Msg-id CA+hUKGJ=-aOZ=wa7XLcwJN7FOrzgcewjSE3w_vY9uHx-Cmf9ZQ@mail.gmail.com
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Ответ на Re: pgsql: Use SIGURG rather than SIGUSR1 for latches.  (Thomas Munro <thomas.munro@gmail.com>)
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On Sun, Apr 18, 2021 at 1:28 AM Thomas Munro <thomas.munro@gmail.com> wrote:
> Linux: "Blocked signals are never ignored, since the signal handler
> may change by the time it is unblocked."

I should add, that's what the source says.  The man page for
sigpending(2) makes the opposite claim in its NOTES section on my
Debian system (it helpfully describes the BSD behaviour instead), but
the man page is demonstrably wrong.

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