1 /* $OpenBSD: procfs_note.c,v 1.4 2007/06/18 08:30:07 jasper Exp $ */
2 /* $NetBSD: procfs_note.c,v 1.8 1994/06/29 06:34:53 cgd Exp $ */
3
4 /*
5 * Copyright (c) 1993 Jan-Simon Pendry
6 * Copyright (c) 1993
7 * The Regents of the University of California. All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * Jan-Simon Pendry.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)procfs_note.c 8.2 (Berkeley) 1/21/94
37 */
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/time.h>
42 #include <sys/kernel.h>
43 #include <sys/proc.h>
44 #include <sys/vnode.h>
45 #include <sys/signal.h>
46 #include <miscfs/procfs/procfs.h>
47
48 int
49 procfs_donote(struct proc *curp, struct proc *p, struct pfsnode *pfs, struct uio *uio)
50 {
51 int xlen;
52 int error;
53 char note[PROCFS_NOTELEN+1];
54
55 if (uio->uio_rw != UIO_WRITE)
56 return (EINVAL);
57
58 xlen = PROCFS_NOTELEN;
59 error = vfs_getuserstr(uio, note, &xlen);
60 if (error)
61 return (error);
62
63 /* send to process's notify function */
64 return (EOPNOTSUPP);
65 }