On Dec 6, 2007 2:28 PM, Gilles Chanteperdrix
<[EMAIL PROTECTED]> wrote:
>
> On Dec 6, 2007 2:24 PM, Wolfgang Grandegger <[EMAIL PROTECTED]> wrote:
> >
> > Gilles Chanteperdrix wrote:
> > > On Dec 6, 2007 1:31 PM, Wolfgang Grandegger <[EMAIL PROTECTED]> wrote:
> > >> Hello,
> > >>
> > >> how do I cancel or delete a Xenomai POSIX thread running in primary
> > >> context from a higher priority thread? IIUC, pthread_kill() can only be
> > >> used in secondary context. I tried pthread_cancel(), but it only works
> > >> when hitting a cancelation point, e.g. pthread_testcancel(). Setting
> > >> pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS) did not help. Is
> > >> there a code snippet or even an example program showing how to cancel a
> > >> pthread in primary context?
> > >
> > > pthread_kill or pthread_cancel should result in sending a signal to
> > > the target thread, so should cause this thread to switch to secondary
> > > mode to handle it. If you want to wait for the target thread to be
> > > canceled, you should use pthread_cancel and pthread_join.
> >
> > There is no way to cancel a pthread in primary mode from another pthread?
>
> No. You always need secondary mode to effectively delete a thread. The
> same goes for the native skin.
Ok. I understand what you mean. You want pthread_cancel not to leave
primary mode. This can easily be done by causing pthread_cancel to use
the kernel-space real-time pthread_cancel service. This should work
with no further modification.
--
Gilles Chanteperdrix
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