[Mono-list] MonoObject reference changing to other object type

[Chris Ochs]

Ok so it turned out I just needed to use gchandles, my objects were getting
gc'd.

Chris


On Thu, Oct 10, 2013 at 11:29 PM, Chris Ochs <chris at ochsnet.com> wrote:

> I'm embedding mono and it's in a threaded environment so was hoping that a
> simple explanation of what I'm doing might shed some light on where I am
> going wrong, before I post the code.
>
> I'm embedding in java 7 via the jruby ffi.  I have a C function that calls
> mono_object_new and returns it as a pointer to jruby.  Some time later I
> call another C function with the MonoObject, and when I call
> mono_class_get_name on the object's klass, I get back random classes.  My
> function that creates the MonoObject is hard wired to a specific
> namespace/class.  I'd say roughly 20% of the time I get back a random
> class, it's not always the same.
>
> The threading involved comes from Akka.  I am creating the mono object in
> one thread and usually using it in another, but never is a mono object used
> concurrently by different threads.  I'm also using mono_thread_attach
> liberally at this point.
>
> Anything obvious that sticks out?  Seems like a threading issue of some
> type.  If I'm missing a call to mono_thread_attach somewhere, would this
> behavior be expected?
>
> Chris
>
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