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Re: Restartable signals 'n all that

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Restartable signals 'n all that
Date: 2008-08-26 19:54:12
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Lists: pgsql-hackers
Tom Lane wrote:

> So we've got two problems: SA_RESTART is preventing some EINTRs from
> happening when we'd like, and yet it seems we are at risk of unwanted
> EINTRs anyway.
> The only really clean solution I can see is to stop using SA_RESTART
> and try to make all our syscalls EINTR-proof.  But the probability
> of bugs-of-omission seems just about 100%, especially in third party
> backend add-ons that we don't get to review the code for.

Did we do anything about this?  I see we have it on TODO ...

Alvaro Herrera                      
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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