On Sun, 30 Oct 2005 14:14:19 +0100
fons adriaensen <fons.adriaensen@email-addr-hidden> wrote:
> On Sun, Oct 30, 2005 at 01:53:48PM +0100, Florian Schmidt wrote:
>
> > Oh i thought i read somewhere that when pthread_cond_wait it is not
> > guaranteed that anyone actually signalled. Will do some more reading.
>
> It can return on unix signals, so you have to test for EINTR.
> I don't think it will wake up unexpectedly otherwise.
>
> I'm thinking of rewriting the whole ITC object so it uses a
> futex instead of the CV (that would also enable it to work
> in shared memory across process boundaries), but then I really
> need a lock free implementation for the linked lists.
> I guess the required primitives are platform dependant.
> Is their some library that provides them ?
Btw: i just discovered that pthread mutexes and condvars can have a
"process shared" flag which makes it possiblo to synchronize threads
across processes as it seems. Could be useful for jack, no?
pthread_condvar_setpshared()
pthread_mutexattr_setpshared()
Or do i misread that manpage?
Flo
-- Palimm Palimm! http://tapas.affenbande.orgReceived on Mon Oct 31 04:15:04 2005
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