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libuv/docs/src/handle.rst  view on Meta::CPAN

    .. note::
        Linux will set double the size and return double the size of the original set value.

.. c:function:: int uv_fileno(const uv_handle_t* handle, uv_os_fd_t* fd)

    Gets the platform dependent file descriptor equivalent.

    The following handles are supported: TCP, pipes, TTY, UDP and poll. Passing
    any other handle type will fail with `UV_EINVAL`.

    If a handle doesn't have an attached file descriptor yet or the handle
    itself has been closed, this function will return `UV_EBADF`.

    .. warning::
        Be very careful when using this function. libuv assumes it's in control of the file
        descriptor so any change to it may lead to malfunction.

.. c:function:: uv_loop_t* uv_handle_get_loop(const uv_handle_t* handle)

    Returns `handle->loop`.

libuv/src/unix/signal.c  view on Meta::CPAN

  uv__close(loop->signal_pipefd[1]);
  loop->signal_pipefd[0] = -1;
  loop->signal_pipefd[1] = -1;
  return uv__signal_loop_once_init(loop);
}


void uv__signal_loop_cleanup(uv_loop_t* loop) {
  QUEUE* q;

  /* Stop all the signal watchers that are still attached to this loop. This
   * ensures that the (shared) signal tree doesn't contain any invalid entries
   * entries, and that signal handlers are removed when appropriate.
   * It's safe to use QUEUE_FOREACH here because the handles and the handle
   * queue are not modified by uv__signal_stop().
   */
  QUEUE_FOREACH(q, &loop->handle_queue) {
    uv_handle_t* handle = QUEUE_DATA(q, uv_handle_t, handle_queue);

    if (handle->type == UV_SIGNAL)
      uv__signal_stop((uv_signal_t*) handle);