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ORPA-pyOpenRPA/Resources/WPy64-3720/python-3.7.2.amd64/Lib/site-packages/anyio/_core/_signals.py

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from typing import AsyncIterator
from ._compat import DeprecatedAsyncContextManager
from ._eventloop import get_asynclib
def open_signal_receiver(
*signals: int,
) -> DeprecatedAsyncContextManager[AsyncIterator[int]]:
"""
Start receiving operating system signals.
:param signals: signals to receive (e.g. ``signal.SIGINT``)
:return: an asynchronous context manager for an asynchronous iterator which yields signal
numbers
.. warning:: Windows does not support signals natively so it is best to avoid relying on this
in cross-platform applications.
.. warning:: On asyncio, this permanently replaces any previous signal handler for the given
signals, as set via :meth:`~asyncio.loop.add_signal_handler`.
"""
return get_asynclib().open_signal_receiver(*signals)