/*
 * Copyright (c) 1993 Jan-Simon Pendry
 * Copyright (c) 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Jan-Simon Pendry.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)procfs_note.c       8.2 (Berkeley) 1/21/94
 *
 * $FreeBSD: src/sys/miscfs/procfs/procfs_note.c,v 1.6 1999/08/28 00:46:55 peter Exp $
 * $DragonFly: src/sys/vfs/procfs/procfs_note.c,v 1.5 2007/02/19 01:14:24 corecode Exp $
 */

#include <sys/param.h>
#include <sys/vnode.h>
#include <vfs/procfs/procfs.h>

int
procfs_donote(struct proc *curp, struct lwp *lp, struct pfsnode *pfs,
              struct uio *uio)
{
        int xlen;
        int error;
        char note[PROCFS_NOTELEN+1];

        if (uio->uio_rw != UIO_WRITE)
                return (EINVAL);

        xlen = PROCFS_NOTELEN;
        error = vfs_getuserstr(uio, note, &xlen);
        if (error)
                return (error);

        /* send to process's notify function */
        return (EOPNOTSUPP);
}