On Mon, Oct 01, 2007 at 11:07:15AM +0100, Denys Vlasenko wrote:
> Also attached is ndelaytest.c which can be used to test that
> send(MSG_DONTWAIT) indeed is failing with EAGAIN if write would block
> and that other processes never see O_NONBLOCK set.
>
> Comments?
Never send patches during or approaching hangover?
* it's on a bunch of cyclic lists. Have its neighbor
go away while you are doing all that crap => boom
* there's that thing call current position... It gets buggered.
* overwriting it while another task might be in the middle of
syscall involving it => boom
* non-cooperative tasks reading *in* *parallel* from the same
opened file are going to have a lot more serious problems than agreeing
on O_NONBLOCK anyway, so I really don't understand what the hell is that for.
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