Re: Restartable signals 'n all that - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Restartable signals 'n all that
Date
Msg-id 18156.1219782591@sss.pgh.pa.us
Whole thread Raw
In response to Re: Restartable signals 'n all that  (Alvaro Herrera <alvherre@commandprompt.com>)
List pgsql-hackers
Alvaro Herrera <alvherre@commandprompt.com> writes:
> 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 ...

No, I haven't done anything about it.

(I'm not entirely convinced that there's a real problem on any modern
platforms.)
        regards, tom lane


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