Messages in this thread | | | Date | Thu, 27 Mar 2003 10:03:25 -0800 (PST) | From | Davide Libenzi <> | Subject | Re: [patch][bugfix] epoll cross-thread deletion fix ... |
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On Thu, 27 Mar 2003, Marc-Christian Petersen wrote:
> 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?
Ok, I messed up with namings :) Yes, it'll be 0.63 ...
- Davide
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