1 /* 2 * Copyright (c) 1993 Jan-Simon Pendry 3 * Copyright (c) 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * Jan-Simon Pendry. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)procfs_note.c 8.2 (Berkeley) 1/21/94 34 * 35 * $FreeBSD: src/sys/miscfs/procfs/procfs_note.c,v 1.6 1999/08/28 00:46:55 peter Exp $ 36 * $DragonFly: src/sys/vfs/procfs/procfs_note.c,v 1.5 2007/02/19 01:14:24 corecode Exp $ 37 */ 38 39 #include <sys/param.h> 40 #include <sys/vnode.h> 41 #include <vfs/procfs/procfs.h> 42 43 int 44 procfs_donote(struct proc *curp, struct lwp *lp, struct pfsnode *pfs, 45 struct uio *uio) 46 { 47 int xlen; 48 int error; 49 char note[PROCFS_NOTELEN+1]; 50 51 if (uio->uio_rw != UIO_WRITE) 52 return (EINVAL); 53 54 xlen = PROCFS_NOTELEN; 55 error = vfs_getuserstr(uio, note, &xlen); 56 if (error) 57 return (error); 58 59 /* send to process's notify function */ 60 return (EOPNOTSUPP); 61 } 62