[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20070607110623.53322dae@the-village.bc.nu>
Date: Thu, 7 Jun 2007 11:06:23 +0100
From: Alan Cox <alan@...rguk.ukuu.org.uk>
To: Davide Libenzi <davidel@...ilserver.org>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Ulrich Drepper <drepper@...hat.com>,
Ingo Molnar <mingo@...e.hu>, Eric Dumazet <dada1@...mosbay.com>
Subject: Re: [patch 7/8] fdmap v2 - implement sys_socket2
> I don't think it's a matter of versioning. Many userspace libraries
> expects their fds to be compact (for many reasons - they use select, they
> use them to index 0-based arrays, etc...), and if the kernel suddendly
> starts returning values in the 1<<28 up arena, they sure won't be happy.
> So I believe that the correct way is that the caller specifically selects
> the feature, leaving the legacy fd allocation as default.
I don't understand the connection between this paragraph (with which I
agree) and the urge to add a ton of ugly syscall hacks. "Caller
specifically selects feature" - > prctl(). Libraries get unhappy ->
linker issue.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists