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Re: [RFC] proc, coredump: add CoreDumping flag to /proc/pid/status

From	Alexey Dobriyan <adobriyan@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [RFC] proc, coredump: add CoreDumping flag to /proc/pid/status
Date	2017-09-14 00:50 +0200
Message-ID	<upoDL-4Z2-9@gated-at.bofh.it> (permalink)
References	<upoaJ-4P5-5@gated-at.bofh.it> <upoDL-4Z2-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, Sep 13, 2017 at 03:21:59PM -0700, Roman Gushchin wrote:
> On Thu, Sep 14, 2017 at 01:15:26AM +0300, Alexey Dobriyan wrote:
> > > To provide an ability to detect if a process is in the state of
> > > being coreduped, we can expose a boolean CoreDumping flag
> > > in /proc/pid/status.
> > 
> > Or add "State: C" ?
> 
> A program in such state can also sleep and run, so it's not
> a state in terms of process states.

Well, maybe something will break from seeing unknown process state.

Regardless, symlink /proc/$PID/coredump pointing to either "0" or "1"
is faster than open+read+parse+close.

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Re: [RFC] proc, coredump: add CoreDumping flag to /proc/pid/status Alexey Dobriyan <adobriyan@gmail.com> - 2017-09-14 00:20 +0200
  Re: [RFC] proc, coredump: add CoreDumping flag to /proc/pid/status Alexey Dobriyan <adobriyan@gmail.com> - 2017-09-14 00:50 +0200

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