NTSYNC_IOC_MUTEX_READ
case NTSYNC_IOC_MUTEX_READ:
ret = ioctl(mutex, NTSYNC_IOC_MUTEX_READ, &mutex_args);
ret = ioctl(mutex, NTSYNC_IOC_MUTEX_READ, &mutex_args);
ret = ioctl(mutex, NTSYNC_IOC_MUTEX_READ, &mutex_args);
ret = ioctl(mutex, NTSYNC_IOC_MUTEX_READ, &args);