Function hasMonitorEvent

src/SFML/Window/Unix/JoystickImpl.cpp:266–274

}

bool hasMonitorEvent()
{
    // This will not fail since we make sure udevMonitor is valid
    const int monitorFd = udev_monitor_get_fd(udevMonitor.get());

    pollfd fds{monitorFd, POLLIN, 0};

    return (poll(&fds, 1, 0) > 0) && ((fds.revents & POLLIN) != 0);
}

// Get a property value from a udev device
const char* getUdevAttribute(udev_device* udevDevice, const std::string& attributeName)