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	shm_read(struct file fp, struct uio uio, struct ucred *active_cred,			shm_read(struct file fp, struct uio uio, struct ucred *active_cred,
	int flags, struct thread *td)			int flags, struct thread *td)
	{			{
	struct shmfd *shmfd;			struct shmfd *shmfd;
	void *rl_cookie;			void *rl_cookie;
	int error;			int error;

	shmfd = fp->f_data;			shmfd = fp->f_data;
	foffset_lock_uio(fp, uio, flags);
	rl_cookie = rangelock_rlock(&shmfd->shm_rl, uio->uio_offset,
	uio->uio_offset + uio->uio_resid, &shmfd->shm_mtx);
	#ifdef MAC			#ifdef MAC
	error = mac_posixshm_check_read(active_cred, fp->f_cred, shmfd);			error = mac_posixshm_check_read(active_cred, fp->f_cred, shmfd);
	if (error)			if (error)
	return (error);			return (error);
	#endif			#endif
				foffset_lock_uio(fp, uio, flags);
				rl_cookie = rangelock_rlock(&shmfd->shm_rl, uio->uio_offset,
				uio->uio_offset + uio->uio_resid, &shmfd->shm_mtx);
	error = uiomove_object(shmfd->shm_object, shmfd->shm_size, uio);			error = uiomove_object(shmfd->shm_object, shmfd->shm_size, uio);
	rangelock_unlock(&shmfd->shm_rl, rl_cookie, &shmfd->shm_mtx);			rangelock_unlock(&shmfd->shm_rl, rl_cookie, &shmfd->shm_mtx);
	foffset_unlock_uio(fp, uio, flags);			foffset_unlock_uio(fp, uio, flags);
	return (error);			return (error);
	}			}

	static int			static int
	shm_write(struct file fp, struct uio uio, struct ucred *active_cred,			shm_write(struct file fp, struct uio uio, struct ucred *active_cred,
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