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gh-126434: Use multiprocessing.Value for multiprocessing.Event to avoid deadlock when there is reentrant usage of `set` from `is_set`, e.g. when handling system signals - #126437

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ivarref:fix-issue-126434

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gh-126434: Use multiprocessing.Value for multiprocessing.Event to avoid deadlock when there is reentrant usage of `set` from `is_set`, e.g. when handling system signals#126437
ivarref wants to merge 14 commits into
python:mainfrom
ivarref:fix-issue-126434

Commits on Nov 11, 2024
- gh-126434: Use multiprocessing.Value for multiprocessing.Event to avoid deadlock when there is reentrant usage of `set` from `is_set`, e.g. when handling system signals
  ivarref
  committed
  e5302e6
Commits on Nov 12, 2024
- gh-126434: Add test
  ivarref
  committed
  cbecc76
- gh-126434: Remove print statements used/useful for debugging
  ivarref
  committed
  2f90fb2
- gh-126434: Support systems with high load (no accidental timeouts)
  ivarref
  committed
  0ca4a85
Commits on Nov 13, 2024
- gh-126434: Detect when .set() is called by a thread already .wait()-ing. Raise an exception if that is the case. Fix race condition in multiprocessing.Event.wait() as described in https://github.co…
  ivarref
  committed
  f9307f6
Commits on Nov 14, 2024
Commits on Nov 28, 2024
- gh-126434: Process signals on dedicated thread
  ivarref
  committed
  c308344
Commits on Dec 3, 2024