Re: [PATCH] pid: Allow creation of pidfds to threads

[Alois Wohlschlager]

Am Mittwoch, 13. April 2022, 06:46:20 CEST schrieb Matthew Bobrowski:
> For the fanotify API i.e. FAN_REPORT_PIDFD, I don't see there being
> any issues with supporting/returning pidfds which belong to
> non-thread-group leaders. In saying that, for this to be useful from
> the fanotify API POV, I definitely do think we should consider
> supporting the ability to send thread-specific signals via
> pidfd_send_signal(). Adding this extension through the optional flag
> parameter makes sense to me.

I actually started implementing this, but then took it out again because I
couldn't think of a use case. Now that one has been found, I can bring it back
in a v2.

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