monkey.py 文件源码

def patch_signal():
    """
    Make the signal.signal function work with a monkey-patched os.

    .. caution:: This method must be used with :func:`patch_os` to have proper SIGCHLD
         handling. :func:`patch_all` calls both by default.

    .. caution:: For proper SIGCHLD handling, you must yield to the event loop.
         Using :func:`patch_all` is the easiest way to ensure this.

    .. seealso:: :mod:`gevent.signal`
    """
    patch_module("signal")