Michael Kerrisk <mtk.manpages@googlemail.com> wrote:

quoted text
> a) I did a
> 
> s/internal kernel handle/open file description/
> 
> since that is the POSIX term for the internal handle.
> 
> b) It seems to me that you text doesn't quite make the point explicit
> enough.  I've tried to rewrite it; could you please check:
> 
>        A6     Yes, but be aware of the following point.  A  file
>               descriptor is a reference to an open file descrip-
>               tion (see  open(2)).   Whenever  a  descriptor  is
>               duplicated  via dup(2), dup2(2), fcntl(2) F_DUPFD,
>               or fork(2), a new file descriptor referring to the
>               same  open  file  description is created.  An open
>               file description continues to exist until all file
>               descriptors referring to it have been closed.  The
>               epoll  interface  automatically  removes  a   file
>               descriptor  from  an  epoll set only after all the
>               file descriptors referring to the underlying  open
>               file  handle  have  been  closed.  This means that
>               even after a file descriptor that is  part  of  an
>               epoll  set has been closed, events may be reported
>               for that file descriptor if other file descriptors
>               referring  to the same underlying file description
>               remain open.
> 
> Does that seem okay?  I plan to include the text in man-pages-2.79.

It's hard to read for me, and probably very hard to read for others.


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