EMLXS_IOCTL_LOCK
mutex_enter(&EMLXS_IOCTL_LOCK);
mutex_exit(&EMLXS_IOCTL_LOCK);
mutex_exit(&EMLXS_IOCTL_LOCK);
mutex_exit(&EMLXS_IOCTL_LOCK);
mutex_enter(&EMLXS_IOCTL_LOCK);
mutex_exit(&EMLXS_IOCTL_LOCK);
mutex_exit(&EMLXS_IOCTL_LOCK);
mutex_enter(&EMLXS_IOCTL_LOCK);
mutex_exit(&EMLXS_IOCTL_LOCK);
mutex_exit(&EMLXS_IOCTL_LOCK);
mutex_init(&EMLXS_IOCTL_LOCK, NULL, MUTEX_DRIVER,
mutex_destroy(&EMLXS_IOCTL_LOCK);