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Date: Tue, 19 Mar 2013 11:45:53 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [RFC PATCH 0/2] port network layer onto glib
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: mdroth <mdroth@linux.vnet.ibm.com>, "Michael S. Tsirkin" <mst@redhat.com>, Stefan Hajnoczi <stefanha@gmail.com>, qemu-devel@nongnu.org, Markus Armbruster <armbru@redhat.com>, Anthony Liguori <anthony@codemonkey.ws>, Liu Ping Fan <qemulist@gmail.com>

Il 19/03/2013 11:38, Peter Maydell ha scritto:
> On 19 March 2013 10:34, Paolo Bonzini <pbonzini@redhat.com> wrote:
>> Il 19/03/2013 11:12, Peter Maydell ha scritto:
>>> Threads are supported by the language runtime provided on all
>>> the systems we support, which is why they are reasonably usable.
>>> When you've persuaded glibc, MacOSX libc and Windows to implement
>>> coroutines please come back and let me know :-)
>>
>> Windows supports them (it calls them fibers) and glibc does on many
>> architectures (all but ARM, basically).
> 
> If you mean ucontext, I'm not sure I'd call that coroutine
> support at the library level (and we did implement it on
> ARM glibc).

Yes, I mean ucontext, more precisely makecontext/setcontext.  Portably
creating a new stack is really the crux of coroutine support.

Paolo