Re: [PATCH v2 0/5] pid: add pidfd_open()

From: Linus Torvalds
Date: Sat Mar 30 2019 - 13:04:58 EST


On Sat, Mar 30, 2019 at 9:34 AM Daniel Colascione <dancol@xxxxxxxxxx> wrote:
>
> Just to be clear, I'm not proposing granting secret access to procfs,
> and as far as I can see, nobody else is either. We've been talking
> about making it easier to avoid races when you happen to want a pidfd
> and a procfs fd that point to the same process

So I thought that was the whole point of just opening /proc/<pid>.
Exactly because that way you can then use openat() from there on.

Linus