1 /*	$OpenBSD: procfs_note.c,v 1.3 2003/06/02 23:28:11 millert 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
procfs_donote(curp,p,pfs,uio)49 procfs_donote(curp, p, pfs, uio)
50 	struct proc *curp;
51 	struct proc *p;
52 	struct pfsnode *pfs;
53 	struct uio *uio;
54 {
55 	int xlen;
56 	int error;
57 	char note[PROCFS_NOTELEN+1];
58 
59 	if (uio->uio_rw != UIO_WRITE)
60 		return (EINVAL);
61 
62 	xlen = PROCFS_NOTELEN;
63 	error = vfs_getuserstr(uio, note, &xlen);
64 	if (error)
65 		return (error);
66 
67 	/* send to process's notify function */
68 	return (EOPNOTSUPP);
69 }
70