cvs commit: src/lib/libc/sys mincore.2 src/sys/vm vm_mmap.c

John Baldwin jhb at freebsd.org
Wed Jun 21 18:14:05 UTC 2006


On Wednesday 21 June 2006 13:58, John-Mark Gurney wrote:
> Alan Cox wrote this message on Wed, Jun 21, 2006 at 12:44 -0500:
> > John-Mark Gurney wrote:
> > 
> > >Konstantin Belousov wrote this message on Wed, Jun 21, 2006 at 12:59 
+0000:
> > >
> > >> Modified files:
> > >>   lib/libc/sys         mincore.2 
> > >>   sys/vm               vm_mmap.c 
> > >> Log:
> > >> Make the mincore(2) return ENOMEM when requested range is not fully 
> > >> mapped.
> > >
> > >Is this change to be posix compliant or something?  ENOMEM seems like
> > >the wrong error, or are we allocating memory?
> > >#define ENOMEM          12              /* Cannot allocate memory */
> > >
> > >the original EINVAL seems to me the correct one, as is commonly used
> > >when the data passed in is incorrect...
> >
> > I looked at this when the patch was proposed.  ENOMEM is the de facto 
> > standard error for this case.  To the best of my knowledge, there is no 
> > officially-sanctioned specification for mincore(2).
> 
> Could you please provide a reference to this de facto standard error
> as in other places where ENOMEM is used for such an error?

NetBSD and Linux were the examples given on the thread in hackers at .  Check the 
archives.

-- 
John Baldwin


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