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Show First 20 Lines • Show All 2,033 Lines • ▼ Show 20 Lines	if ((flags & MFD_ALLOW_SEALING) != 0)
shmflags \|= SHM_ALLOW_SEALING;		shmflags \|= SHM_ALLOW_SEALING;
return (kern_shm_open2(td, SHM_ANON, oflags, 0, shmflags, NULL,		return (kern_shm_open2(td, SHM_ANON, oflags, 0, shmflags, NULL,
memfd_name));		memfd_name));
}		}

int		int
linux_splice(struct thread td, struct linux_splice_args args)		linux_splice(struct thread td, struct linux_splice_args args)
{		{
		l_loff_t inoff, outoff, inoffp, outoffp;
		int error;

linux_msg(td, "syscall splice not really implemented");		inoffp = outoffp = NULL;
		if (args->off_in != NULL) {
		error = copyin(args->off_in, &inoff, sizeof(inoff));
		if (error != 0)
		return (error);
		inoffp = &inoff;
		}
		if (args->off_out != NULL) {
		error = copyin(args->off_out, &outoff, sizeof(outoff));
		if (error != 0)
		return (error);
		outoffp = &outoff;
		}
		error = kern_copy_file_range(td, args->fd_in, inoffp, args->fd_out,
		outoffp, args->len, 0);
		if (error == 0 && args->off_in != NULL)
		error = copyout(inoffp, args->off_in, sizeof(*inoffp));
		if (error == 0 && args->off_out != NULL)
		error = copyout(outoffp, args->off_out, sizeof(*outoffp));

/*		return (error);
* splice(2) is documented to return EINVAL in various circumstances;
* returning it instead of ENOSYS should hint the caller to use fallback
* instead.
*/
return (EINVAL);
}		}