Re: <IDLE> and waiting

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От
Alvaro Herrera
Тема
Re: <IDLE> and waiting
Дата
Msg-id
20080202232757.GB5238@alvh.no-ip.org
Ответ на
Re: <IDLE> and waiting (Gurjeet Singh)
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<IDLE> and waiting "Gurjeet Singh" <singh.gurjeet@gmail.com>
Re: <IDLE> and waiting Tom Lane <tgl@sss.pgh.pa.us>
Re: <IDLE> and waiting Tom Lane <tgl@sss.pgh.pa.us>
Re: <IDLE> and waiting "Gurjeet Singh" <singh.gurjeet@gmail.com>
Re: <IDLE> and waiting Alvaro Herrera <alvherre@commandprompt.com>
Re: <IDLE> and waiting Tom Lane <tgl@sss.pgh.pa.us>
Re: <IDLE> and waiting "Gurjeet Singh" <singh.gurjeet@gmail.com>
Re: <IDLE> and waiting "Gurjeet Singh" <singh.gurjeet@gmail.com>
Re: <IDLE> and waiting Tom Lane <tgl@sss.pgh.pa.us>
Re: <IDLE> and waiting "Gurjeet Singh" <singh.gurjeet@gmail.com>
Gurjeet Singh escribió:

> I just looked at the patch... Isn't PG_TRY() an expensive call to make in
> the lock.c code? I was thinking of registering a Xact callback using
> RegisterXactCallback() and performing 'waiting' reset in that callback if
> the Xact event is XACT_EVENT_ABORT.

PG_TRY is not expensive as all that -- it's just a sigsetjmp() call and
another stack frame.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

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