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

[Roman Gushchin]

On Thu, Sep 07, 2017 at 12:17:15PM +0100, Roman Gushchin wrote:
> Right now there is no convenient way to check if a process is being
> coredumped at the moment.
> 
> It might be necessary to recognize such state to prevent killing
> the process and getting a broken coredump.
> Writing a large core might take significant time, and the process
> is unresponsive during it, so it might be killed by timeout,
> if another process is monitoring and killing/restarting
> hanging tasks.
> 
> 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.
> 

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