_signals_windows.py 文件源码

def _await_signal(process):
    ''' Waits for the process to die, and then returns the exit code for
    the process, converting CTRL_C_EVENT and CTRL_BREAK_EVENT into
    SIGINT.
    '''
    # Note that this is implemented with a busy wait
    process.wait()
    code = process.returncode

    if code == signal.CTRL_C_EVENT:
        code = signal.SIGINT
    elif code == signal.CTRL_BREAK_EVENT:
        code = signal.SIGINT

    return code