Re: [PATCH] fork(2): add ENOSYS

["Michael Kerrisk (man-pages)" <mtk.manpages@xxxxxxxxx>]

On Wed, May 2, 2012 at 3:49 AM, Mike Frysinger <vapier@xxxxxxxxxx> wrote:
> On Tuesday 01 May 2012 01:38:35 Michael Kerrisk (man-pages) wrote:
>> On Tue, May 1, 2012 at 4:50 PM, Mike Frysinger wrote:
>> > --- a/man2/fork.2
>> > +++ b/man2/fork.2
>> > @@ -184,6 +184,10 @@ capability.
>> >  .B ENOMEM
>> >  .BR fork ()
>> >  failed to allocate the necessary kernel structures because memory is
>> > tight. +.TP
>> > +.B ENOSYS
>> > +.BR fork ()
>> > +is not supported on this platform (e.g. a no-mmu setup).
>> >  .SH "CONFORMING TO"
>> >  SVr4, 4.3BSD, POSIX.1-2001.
>> >  .SH NOTES
>>
>> I'm curious. Which architectures currently do this, do you know?
>
> ones w/out an mmu ;)
>
> looking at 'config MMU', arch/*/Kconfig, i see it could happen to:
>        arm blackfin c6x frv h8300 microblaze mips xtensa

Thanks Mike. Patch applied. (But I couldn't see how one deduces that
mips is on that list.)

Cheers,

Michael


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Author of "The Linux Programming Interface"; http://man7.org/tlpi/
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