| from __future__ import annotations | |
| 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) | |