Re: [Xen-users] Multithread using pthread in a stubdom

[napster <Alain.Tchana@xxxxxxxxxxx>]

Thank for your answer.

On 23/01/2014 12:49, Ian Campbell wrote:
> On Wed, 2014-01-22 at 21:27 +0100, napster wrote:
> > I'm trying to build a stubdom including a simply multithreaded
> > application implemented with the pthread libary. Does someone know if
> > this is possible with the current version of Xen and its mini-os?
> As far as I remember mini-os has a form of cooperative multi threading,
> but not POSIX threads. (unless maybe newlib provides that, not sure).
Yes, newlib provides a support for POSIX thread but I have a lot of 
compilation errors due to the redefinition of some functions in 
extras/mini-os/include/posix/pthread.h .
> There is a subset of pthreads relating to mutexes etc in
> extras/mini-os/include/posix/pthread.h, but not the actual threading
> bits.
>
> I don't know how hard it would be to add a pthread veneer over mini-os's
> threads, but it might be something worth investigating.
>
> I can't recall having ever seen pthreads patches for mini-os, but you
> should probably have a search through the archives and see if there is a
> starting point.
Ok. I will check through the archives.

> There was some stuff recently about BSD rump kernels on mini-os -- I
> don't know if that would have included threading primitives.
>
> Ian.
Alain


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