PyGILState_Ensure() produces a deadlock

[Alexander Eisenhuth]

Hello,

In my mixed C++ / Python Application there are situations where a 
PyGILState_STATE gil_state = PyGILState_Ensure() produces a deadlock.

The background is that a call fro python to cpp is directed to another subsystem 
that tries to access the GIL (through my C++ wrapper) from another thread.

Does Pyhon API offer services to ship around that? Other hints?

Thanks a lot