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Re: Re: [COMMITTERS] pgsql: Add pg_terminate_backend() to allow terminating only a single - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Re: [COMMITTERS] pgsql: Add pg_terminate_backend() to allow terminating only a single
Date
Msg-id 29395.1208280729@sss.pgh.pa.us
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In response to Re: Re: [COMMITTERS] pgsql: Add pg_terminate_backend() to allow terminating only a single  (Bruce Momjian <bruce@momjian.us>)
Responses Re: Re: [COMMITTERS] pgsql: Add pg_terminate_backend() to allow terminating only a single  (Bruce Momjian <bruce@momjian.us>)
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Bruce Momjian <bruce@momjian.us> writes:
> Alvaro Herrera wrote:
>> I wonder if it's OK to grab an LWLock in a signal handler.

> I am not in a signal handler there --- pg_terminate_backend() happens
> for the person requesting the termination, not the terminated backend
> that gets the signal.

A more interesting question is what makes you think that taking
ProcArrayLock here has any value whatsoever.
        regards, tom lane

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