Messages in this thread | | | Date | Sat, 2 Nov 2002 14:11:44 -0800 (PST) | From | Davide Libenzi <> | Subject | Re: [patch] total-epoll r2 ... |
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On Sat, 2 Nov 2002, bert hubert wrote:
> On Sat, Nov 02, 2002 at 11:40:55AM -0800, Davide Libenzi wrote: > > > http://www.xmailserver.org/linux-patches/epoll.txt > > This page still contains: > > Furthermore, the function do_use_fd() immediately tries to read(2) > from the fd. If it does not do so, there is a race condition with the > risk of losing an event before interest in it was registered. This > read may well return EAGAIN, which should be a cause for calling > epoll_wait(). > > Am I correct in understanding that this is no longer true because epoll_ctl > inserts an event if the poll condition is met?
Yep, I forgot to edit that one ...
> Furthermore, I don't think the epoll(2) page is that helpful as even an > application developer that follows lkml (ie, me) has any use of the > 'waitqueue' analogy.
Sigh, I liked Jamie explanation :) Ok, there's still some work to do on man pages ...
- Davide
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