On Fri, Apr 28, 2000 at 09:51:45AM +0200, Christophe Kumsta wrote:
> daniel sheltraw wrote:
> > while(1){
> > .
> > .
> > .
> > rt_task_wait_period();
> > }
> >
> > This snippet is started by first using rt_task_init and
> > rt_task_make_periodic in the init_module. The executable is run by
> > loading the module. My question is .... How does the above loop
> > terminate.... By unloading the module?
> >
For the RTL2 POSIX PThreads AP (recommended) the cleanup module does
pthread_delete_np(thread);
> Hi,
>
> yes, in the 'cleanup_module()' function which is called when unloading
> the module,
> there is normally a call to 'rt_task_delete(&task)' which remove the
> task from the
> rt_scheduler -> so the task stop but never end.
> This task code is removed by unloading the module ( which free all
> assiociated code).
>
> The important thing to understand is that the task must never end, cause
> it is scheduled by
> the rt_scheduler. The 'rt_task_wait_period()' give it the idle state up
> to the next period in
> rt_scheduler tasks list.( rt_task_resume() and rt_task_make_periodic()
> make it running_state,
> while rt_task_init() insert it in the rt_scheduler tasks list in idle
> state.)
>
> Chris.
>
> --
> Kumsta Christophe
> Machinery Agrobotic Fruit
> <[EMAIL PROTECTED]>
> Real-Time image processing developper
> RT-Linux/RTAI ( Use the Source Luck !)
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