linux-kernel - Re: [PATCH] uapi: avoid namespace conflict in linux/posix

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Message-ID: <87a7egdqgr.fsf@oldenburg2.str.redhat.com>
Date:   Mon, 17 Jun 2019 20:19:48 +0200
From:   Florian Weimer <fweimer@...hat.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Joseph Myers <joseph@...esourcery.com>,
        Arnd Bergmann <arnd@...db.de>,
        Linux API <linux-api@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Netdev <netdev@...r.kernel.org>,
        Laura Abbott <labbott@...hat.com>,
        Paul Burton <pburton@...ecomp.com>,
        Deepa Dinamani <deepa.kernel@...il.com>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] uapi: avoid namespace conflict in linux/posix_types.h

* Linus Torvalds:

> On Mon, Jun 17, 2019 at 11:03 AM Florian Weimer <fweimer@...hat.com> wrote:
>>
>> There's also __kernel_fd_set in <linux/posix_types.h>.  I may have
>> lumped this up with <asm/posix_types.h>, but it has the same problem.
>
> Hmm.
>
> That one we might be able to just fix by renaming "fds_bits" to "__fds_bits".
>
> Unlike the "val[]" thing, I don't think anybody is supposed to access
> those fields directly.

Well, glibc already calls it __val …

> I think fd_set and friends are now supposed to be in <sys/select.h>
> anyway, and the "it was in <sys/types.h>" is all legacy.

Do you suggest to create a <linux/select.h> header to mirror this?

Thanks,
Florian