Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/anyio/_core/_signals.py: 80%

1from typing import AsyncIterator 

2 

3from ._compat import DeprecatedAsyncContextManager 

4from ._eventloop import get_asynclib 

5 

6 

7def open_signal_receiver( 

8 *signals: int, 

9) -> DeprecatedAsyncContextManager[AsyncIterator[int]]: 

10 """ 

11 Start receiving operating system signals. 

12 

13 :param signals: signals to receive (e.g. ``signal.SIGINT``) 

14 :return: an asynchronous context manager for an asynchronous iterator which yields signal 

15 numbers 

16 

17 .. warning:: Windows does not support signals natively so it is best to avoid relying on this 

18 in cross-platform applications. 

19 

20 .. warning:: On asyncio, this permanently replaces any previous signal handler for the given 

21 signals, as set via :meth:`~asyncio.loop.add_signal_handler`. 

22 

23 """ 

24 return get_asynclib().open_signal_receiver(*signals)