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    SubjectRe: [PATCH 00/11] Task watchers: Introduction
    On Tue, 13 Jun 2006 16:52:01 -0700
    Matt Helsley <> wrote:

    > Task watchers is a notifier chain that sends notifications to registered
    > callers whenever a task forks, execs, changes its [re][ug]id, or exits.

    Seems a reasonable objective - it'll certainly curtail (indeed, reverse)
    the ongoing proliferation of little subsystem-specific hooks all over the
    core code, will allow us to remove some #includes from core code and should
    permit some more things to be loaded as modules.

    But I do wonder if it would have been better to have separate chains for
    WATCH_TASK_EXIT. That would reduce the number of elements which need to be
    traversed at each event and would eliminate the need for demultiplexing at
    each handler.

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