Re: [issue1416] dma(8): Fix race condition in multi-recipient de
Daniel Roethlisberger wrote:
> Simon 'corecode' Schuber <submit@crater.dragonflybsd.org> 2009-07-16:
>> Simon 'corecode' Schubert <corecode@fs.ei.tum.de> added the comment:
>>
>> Daniel Roethlisberger wrote:
>>> Daniel Roethlisberger <daniel@roe.ch> 2009-07-10:
>>>> I guess it is easier to lock the queue file instead of fully
>>>> reopening and fixing the unlink() race.
>>> I cleaned up my original hack, maybe this version is a tad more
>>> convincing :)
>> This doesn't work for me. All processes are stuck in state lockf. I =
>> think we can't reliably combine fcntl locks and flock locks.
>=20
> Is that a DragonFlyBSD issue? On FreeBSD seem to be compatible
> (both according to manual page and practical testing). Using
> flock to synchronize on the dup()d / fork()d queue file
> descriptor doesn=C5=BDt work in this case due to the semantics of
> flock.
>=20
> In any case, I=C5=BDm sorry that I cannot test / respond again for 3
> weeks since I=C5=BDm abroad, far away from keyboard.
No problem, I fixed the issue by re-opening the queue file. Thanks for=20
your bug report!
cheers
simon
--=20
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