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EPOLL_CTL_DISABLE and multithreaded applicationsEPOLL_CTL_DISABLE and multithreaded applicationsPosted Oct 30, 2012 0:23 UTC (Tue) by normalperson (subscriber, #47508)In reply to: EPOLL_CTL_DISABLE and multithreaded applications by wahern Parent article: EPOLL_CTL_DISABLE and multithreaded applications
I agree ONESHOT is awesome for MT and probably should've been the default.
epoll_wait() already returns ONESHOT events in FIFO order based on my reading of fs/eventpoll.c (and my own testing/experience). kqueue also seems to return in FIFO order with ONESHOT.
I wrote a server based on this behavior (along with concurrent calls to epoll_wait(...,maxevents=1,...)) for getting fair distribution between threads stuck in I/O wait a while back: http://bogomips.org/cmogstored.git
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