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bpo-43352: Add a Barrier object in asyncio lib (GH-24903)

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Co-authored-by: Yury Selivanov <yury@edgedb.com>
Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>
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Duprat 2022-03-25 23:01:21 +01:00 • committed by GitHub
parent 20e6e5636a
commit d03acd7270
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6 changed files with 856 additions and 5 deletions
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7
Lib/asyncio/exceptions.py
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@ -1,7 +1,8 @@
"""asyncio exceptions."""
__all__ = ('CancelledError', 'InvalidStateError', 'TimeoutError',
__all__ = ('BrokenBarrierError',
'CancelledError', 'InvalidStateError', 'TimeoutError',
'IncompleteReadError', 'LimitOverrunError',
'SendfileNotAvailableError')
@ -55,3 +56,7 @@ class LimitOverrunError(Exception):
def __reduce__(self):
return type(self), (self.args[0], self.consumed)
class BrokenBarrierError(RuntimeError):
"""Barrier is broken by barrier.abort() call."""