Messages in this thread | | | From | Eric Dumazet <> | Date | Thu, 16 Mar 2023 07:34:24 -0700 | Subject | Re: [PATCH net-next 1/3] scm: add SO_PASSPIDFD and SCM_PIDFD |
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On Thu, Mar 16, 2023 at 6:16 AM Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com> wrote: > > Implement SCM_PIDFD, a new type of CMSG type analogical to SCM_CREDENTIALS, > but it contains pidfd instead of plain pid, which allows programmers not > to care about PID reuse problem.
Hi Alexander
This would add yet another conditional in af_unix fast path.
It seems that we already can use pidfd_open() (since linux-5.3), and pass the resulting fd in af_unix SCM_RIGHTS message ?
If you think this is not suitable, it should at least be mentioned in the changelog.
Thanks.
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