Re: [robust-futex-1] futex: robust futex support

[david singleton <dsingleton@mvista.com>]

On Jan 14, 2006, at 4:02 PM, Ulrich Drepper wrote:

> On 1/13/06, David Singleton <dsingleton@mvista.com> wrote:
> =============================================
> > --- linux-2.6.15.orig/include/asm-generic/errno.h
> > +++ linux-2.6.15/include/asm-generic/errno.h
> > @@ -105,5 +105,6 @@
> >  /* for robust mutexes */
> >  #define        EOWNERDEAD      130     /* Owner died */
> >  #define        ENOTRECOVERABLE 131     /* State not recoverable */
> > +#define ENOTSHARED     132     /* no pshared attribute */
>
> Do not introduce a new error code if at all possible.  Adding
> userlang-visible error codes means the ABI changes due to the stupid
> _sys_errlist variable.  Just reuse an error code which cannot be
> returned in the futex code so far and which has some kind of
> resemblence with what the error means.

can you suggest some error codes you like to use?  I'll use
whatever you suggest.

thanks

David

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