bpo-30891: Fix importlib _find_and_load() race condition (#2646)

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* Rewrite importlib _get_module_lock(): it is now responsible to hold
  the imp lock directly.
* _find_and_load() now holds the module lock to check if name is in
  sys.modules to prevent a race condition

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Victor Stinner 2017-07-10 22:52:32 +02:00 • committed by GitHub

parent b136f11f3a

commit 4f9a446f3f

3 changed files with 1557 additions and 1568 deletions

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Python/importlib.h

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