Re: Edge triggered epoll with pts devices acts as level triggered

[Adam Langley]

On 8/12/05, Adam Langley <alangley@xxxxxxxxx> 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@xxxxxxxxxxxxxxxxxx
http://www.imperialviolet.org                       (+44) (0)7906 332512
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