osal.py 文件源码

def execl(*args):
    """
    Replaces the current process with a new instance of the specified
    executable. This function will only return if there is an issue starting the
    new instance, in which case it will return false. Otherwise, it will not
    return.
    """
    retval = EXECUTION_FAILURE

    if POSIX:
        os.execvp(args[0], args)
    elif WIN32:
        os.execvp(sys.executable, args)
    else:
        retval = NOT_SUPPORTED

    return retval