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

[Mike Frysinger <vapier-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>]

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On Tuesday 01 May 2012 14:21:36 Michael Kerrisk (man-pages) wrote:
> On Wed, May 2, 2012 at 3:49 AM, Mike Frysinger 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.)

ah, i guess no-mmu mips hasn't been merged yet.  i thought it had (much like 
arm no-mmu finally was).
-mike

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