[issue14976] queue.Queue() is not reentrant, so signals and GC can cause deadlocks

[Yury Selivanov]

Yury Selivanov added the comment:

> Here is a pure Python PoC patch that allows unbounded Queue and LifoQueue to have reentrant put().

Is it guaranteed that the GC will happen in the same thread that is holding the lock?  IOW will RLock help with all GC/__del__ deadlocking scenarios?

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<http://bugs.python.org/issue14976>
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