Philippe Gerum wrote: > Moser, Dan wrote: >> Hi, >> >> I was wondering if there was a command line method for deleting left >> over heaps (i.e., those that were not properly deleted with a call to >> rt_heap_delete()) from /proc/xenomai/registry/native/heaps. >> >> Just a simple rm command (as root) yields the following: >> >> # rm -f myshmem >> cannot remove `myshmem': Operation not permitted >> > > For the moment, there is way to remove lingering native API objects from ^^^ no?! > the /proc interface. On the other hand, the RTDM API allows this for > some of its objects by writing a magic value to the proper /proc entry, > and we might use the same technique to provide this feature to the > native one.
Err, before adding to much stuff in this style (I'm allowed to diss it, I introduced it ;) ), I would rather suggest to start thinking about a scalable(!) cleanup hook for kernel objects. We would need, e.g., per-process ownership of things like IPC objects or RTDM devices instances. Then we could simply walk the chain on cleanup, preferable in Linux context. This is a concept I already implemented in an experimental skin. If this robustness should add too much overhead (but I don't think so), we could make it optional. RTDM is already prepared for it ("forced closure")! Jan
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