Messages in this thread | ![/](/images/icornerl.gif) | | From | Marc-Christian Petersen <> | Subject | Re: [patch][bugfix] epoll cross-thread deletion fix ... | Date | Thu, 27 Mar 2003 18:19:58 +0100 |
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On Wednesday 26 March 2003 21:20, Davide Libenzi wrote:
Hi Davide,
> This fixes a bug that might happen having a thread doing epoll_wait() with > another thread doing epoll_ctl(EPOLL_CTL_DEL) and close(). The fast check > inside eventpoll_release() is good to not effect performace of code not > using epoll, but it requires get_file() to be called ( that can be avoided > by dropping the fast check ). I opted to keep the fast check and to have > epoll to call get_file() before the event send loop. I tested it on UP and > 2SMP with a bug-exploiting program provided by @pivia.com ( thx to them ) > and it looks fine. I also update the 2.4.20 epoll patch with this fix : > > http://www.xmailserver.org/linux-patches/epoll-lt-2.4.20-0.5.diff so this is v0.63?
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