Re: [RFC PATCH] Implement /proc/pid/kill

From: Joel Fernandes
Date: Wed Oct 31 2018 - 00:24:07 EST


On Tue, Oct 30, 2018 at 7:56 PM, Aleksa Sarai <cyphar@xxxxxxxxxx> wrote:
> On 2018-10-31, Christian Brauner <christian.brauner@xxxxxxxxxxxxx> wrote:
>> > I think Aleksa's larger point is that it's useful to treat processes
>> > as other file-descriptor-named, poll-able, wait-able resources.
>> > Consistency is important. A process is just another system resource,
>> > and like any other system resource, you should be open to hold a file
>> > descriptor to it and do things to that process via that file
>> > descriptor. The precise form of this process-handle FD is up for
>> > debate. The existing /proc/$PID directory FD is a good candidate for a
>> > process handle FD, since it does almost all of what's needed. But
>> > regardless of what form a process handle FD takes, we need it. I don't
>> > see a case for continuing to treat processes in a non-unixy,
>> > non-file-descriptor-based manner.
>>
>> That's what I'm proposing in the API for which I'm gathering feedback.
>> I have presented parts of this in various discussions at LSS Europe last week
>> and will be at LPC.
>> We don't want to rush an API like this though. It was tried before in
>> other forms
>> and these proposals didn't make it.
>
> :+1: on a well thought-out and generic proposal. As we've discussed
> elsewhere, this is an issue that really would be great to (finally)
> solve.

Excited to see this and please count me in for discussions around this. thanks.

- Joel