Re: Full support of functions for atomic memory access in gcc?
On Wed, 21 Jul 2010, Manuel Prinz wrote:
> [ Please CC me in replies, I'm not subscribed. ]
>
> Dear porters,
>
> I'm trying to fix some long-standing issues in one of my packages
> (src:openmpi). It does not build on m68k since no atomic primitives are
> provided by upstream. Upstream agreed to solve this by using the
> build-in primitives when compiled with gcc but I was unable to find out
> if those are supported on m68k.
>
> Could you please enlighten me whether or not there is support for that
> on m68k? (Only read memory barriers would be sufficient.)
Is __sync_synchronize() sufficient?
> Also, are high resolution timers available?
I don't know. I can check for a particular API if that would help. Which
API is it that you need?
Finn
>
> Any hint or pointers to further documentation would be great, as I'm not
> very familiar with the issue at hand at the moment! Thanks in advance!
>
> Best regards,
> Manuel
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