endpoints.py 文件源码

def use_fds(self):
    fds = []
    try:
      while True:
        fds.append(os.open(getattr(os, "devnull", "/dev/null"), os.O_RDONLY))
    except OSError, e:
      if e.errno != errno.EMFILE:
        raise e
      else:
        return fds