From: | Claudio Natoli <claudio(dot)natoli(at)memetrics(dot)com> |
---|---|
To: | 'Tom Lane' <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Claudio Natoli <claudio(dot)natoli(at)memetrics(dot)com> |
Cc: | 'Magnus Hagander' <mha(at)sollentuna(dot)net>, pgsql-patches(at)postgresql(dot)org |
Subject: | Re: APC/socket fix (final?) |
Date: | 2004-03-26 22:47:14 |
Message-ID: | A02DEC4D1073D611BAE8525405FCCE2B55F3C8@harris.memetrics.local |
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Lists: | pgsql-patches |
Tom Lane wrote:
> Claudio Natoli <claudio(dot)natoli(at)memetrics(dot)com> writes:
> > ... However, it just occured to me that
> > we could wrap select() by augmenting the read_mask with an
> addition socket,
> > that we know will never be touched, and checking this
> socket on a "valid"
> > return. If this socket is still set, we know we got bitten
> by the APC/socket
> > interaction bug, and can set errno accordingly.
>
> What happens if the socket() call fails?
Then we return in error. Refer to attachment.
> Even if it succeeds, I don't know what the semantics are of selecting on
an un-bound socket ... it
> might perhaps show as error state, for instance.
select doesn't need a socket to be bound to select on it, afaik. In any
case, it isn't necessary under win32, which is what we are discussing.
Cheers,
Claudio
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