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    SubjectRe: [RFC PATCH] waitfd: file descriptor to wait on child processes
    Alan Cox wrote:
    >> prototype for a fourth: waitfd. It pretty much does what the name
    >> suggests: reading from it yields a series of status ints (as would be
    >> written into the second argument of waitpid) for child processes that
    >> have changed state. It takes essentially the same arguments as waitpid
    >> (for now) and supports the same set of features.
    > This propogates the fundamental braindamage of waitpid - the fact the
    > notification only works on child process trees.
    > Here is a more elegant suggestion - use epoll, inotify and friends fully
    > on /proc process nodes.
    > Alan
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    Last I checked inotify was not supported in /proc, or at least most of
    it. What kind of work load is it to change that?


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