killableprocess.py 文件源码

def __init__(self, *args, **kwargs):
            if len(args) >= 7:
                raise Exception("Arguments preexec_fn and after must be passed by keyword.")

            real_preexec_fn = kwargs.pop("preexec_fn", None)
            def setpgid_preexec_fn():
                os.setpgid(0, 0)
                if real_preexec_fn:
                    apply(real_preexec_fn)

            kwargs['preexec_fn'] = setpgid_preexec_fn

            subprocess.Popen.__init__(self, *args, **kwargs)