Method poll_for_data

src/mgmt/rpc/server/IPCSocketServer.cc:357–378

---------------- client --------------

// ---------------- client --------------
bool
IPCSocketServer::Client::poll_for_data(std::chrono::milliseconds timeout) const
{
  auto check_poll_return = [&](int pfd) -> bool {
    if (pfd > 0) {
      // something is ready.
      return false;
    } else if (pfd < 0) {
      switch (errno) {
      case EINTR:
      case EAGAIN:
        return true;
      default:
        return false;
      }
    } else { // timeout
      return false;
    }
  };

  return poll_on_socket(check_poll_return, timeout, this->_fd);
}

void
IPCSocketServer::Client::close()