OS/X fork() officially broken?

James Peach jorgar at gmail.com
Thu Oct 4 09:50:55 MDT 2012

On 3 October 2012 16:18, Matthieu Patou <mat at samba.org> wrote:
> On 10/03/2012 12:24 PM, Jelmer Vernooij wrote:
>> On Wed, 2012-10-03 at 12:04 -0700, Jeremy Allison wrote:
>>> On Wed, Oct 03, 2012 at 04:11:33PM +0200, Volker Lendecke wrote:
>>>> Hi!
>>>> Via the discussion thread on
>>>> https://lwn.net/Articles/518306/ I found the link to the
>>>> OS/X fork manpage:
>>>> http://developer.apple.com/library/ios/#documentation/system/conceptual/manpages_iphoneos/man2/fork.2.html
>>>> Despite the link pointing at ios, the text says it is the
>>>> OS/X manpage for fork(2).
>>>> Look at the CAVEATS section. That is likely one of the more
>>>> technical reasons why Apple switched to something but Samba.
>>>> For us it does not make any sense at all to even try to
>>>> revive smbd on OS/X in its current architecture.
>>> Isn't that an iOS manpage, not an OS/X manpage ?
>> It's a confusing location for it, but the header says Mac OS X. Another
>> copy can be found here:
>> https://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man2/fork.2.html
>>> I can't believe they broke fork() so badly. It's a UNIX
>>> after all..
>> ... if you remove the shiny outside layers, and the plastering on top of
>> what remains of the BSDish core. ;-)
> But as jim pointed it with mach kernel ipc for pretty a lot of things, but I
> can't help thinking that this hasn't changes since a couple of years.

Correct. The behaviour (and policy) has been the same forever. The
only thing new here is the documentation.

James Peach | jorgar at gmail.com

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