final protected async function selectAsync()

in src/io/_Private/FileDescriptorHandle.php [29:50]

• 20 lines of code
• 5 McCabe index (conditional complexity)

  final protected async function selectAsync(
    int $flags,
    int $timeout_ns,
  ): Awaitable<void> {
    if (!$this->isAwaitable) {
      return;
    }
    try {
      $result = await _OS\poll_async($this->impl, $flags, $timeout_ns);
      if ($result === \STREAM_AWAIT_CLOSED) {
        _OS\throw_errno(OS\Errno::EBADFD, "Can't await a closed FD");
      }

    } catch (_OS\ErrnoException $e) {
      if ($e->getCode() === OS\Errno::ENOTSUP) {
        // e.g. real files on Linux when using epoll
        $this->isAwaitable = false;
        return;
      }
      throw $e;
    }
  }