Messages in this thread | | | Date | Fri, 12 Aug 2005 18:30:55 +0100 | From | Adam Langley <> | Subject | Re: Edge triggered epoll with pts devices acts as level triggered |
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On 8/12/05, Adam Langley <alangley@gmail.com> wrote: > Waiting for edge triggered events (with EPOLLET) on pseudo terminal > devices appears to act as if it were level triggered; when data is > ready the fd is always returned by epoll_wait.
This occurs because writing to the terminal happens to cause a read event to occur for pseudo terminals, but not for real terminals. This is much less of a problem than the orginal message would suggest.
AGL
-- Adam Langley agl@imperialviolet.org http://www.imperialviolet.org (+44) (0)7906 332512 PGP: 9113 256A CC0F 71A6 4C84 5087 CDA5 52DF 2CB6 3D60 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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