[issue12850] [PATCH] stm.atomic

[Nick Coghlan]

Nick Coghlan <ncoghlan at gmail.com> added the comment:

I quite like the last idea. Something like:

_PyEval_SuspendOtherThreads(PyThreadState *tstate, PyThread_lock_type lock);

  All threads other than tstate will be prevented from executing further interpreter bytecodes until "lock" is released.

Offering this API might pose a problem for various "superinstruction" concepts in the future, though.

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