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Annotation of XNU/bsd/miscfs/procfs/procfs_note.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * The contents of this file constitute Original Code as defined in and
                      7:  * are subject to the Apple Public Source License Version 1.1 (the
                      8:  * "License").  You may not use this file except in compliance with the
                      9:  * License.  Please obtain a copy of the License at
                     10:  * http://www.apple.com/publicsource and read it before using this file.
                     11:  * 
                     12:  * This Original Code and all software distributed under the License are
                     13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     17:  * License for the specific language governing rights and limitations
                     18:  * under the License.
                     19:  * 
                     20:  * @APPLE_LICENSE_HEADER_END@
                     21:  */
                     22: /*     $NetBSD: procfs_note.c,v 1.8 1994/06/29 06:34:53 cgd Exp $      */
                     23: 
                     24: /*
                     25:  * Copyright (c) 1993 Jan-Simon Pendry
                     26:  * Copyright (c) 1993
                     27:  *     The Regents of the University of California.  All rights reserved.
                     28:  *
                     29:  * This code is derived from software contributed to Berkeley by
                     30:  * Jan-Simon Pendry.
                     31:  *
                     32:  * Redistribution and use in source and binary forms, with or without
                     33:  * modification, are permitted provided that the following conditions
                     34:  * are met:
                     35:  * 1. Redistributions of source code must retain the above copyright
                     36:  *    notice, this list of conditions and the following disclaimer.
                     37:  * 2. Redistributions in binary form must reproduce the above copyright
                     38:  *    notice, this list of conditions and the following disclaimer in the
                     39:  *    documentation and/or other materials provided with the distribution.
                     40:  * 3. All advertising materials mentioning features or use of this software
                     41:  *    must display the following acknowledgement:
                     42:  *     This product includes software developed by the University of
                     43:  *     California, Berkeley and its contributors.
                     44:  * 4. Neither the name of the University nor the names of its contributors
                     45:  *    may be used to endorse or promote products derived from this software
                     46:  *    without specific prior written permission.
                     47:  *
                     48:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     49:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     50:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     51:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     52:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     53:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     54:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     55:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     56:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     57:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     58:  * SUCH DAMAGE.
                     59:  *
                     60:  *     @(#)procfs_note.c       8.2 (Berkeley) 1/21/94
                     61:  */
                     62: 
                     63: #include <sys/param.h>
                     64: #include <sys/systm.h>
                     65: #include <sys/time.h>
                     66: #include <sys/kernel.h>
                     67: #include <sys/proc.h>
                     68: #include <sys/vnode.h>
                     69: #include <sys/signal.h>
                     70: #include <miscfs/procfs/procfs.h>
                     71: 
                     72: int
                     73: procfs_donote(curp, p, pfs, uio)
                     74:        struct proc *curp;
                     75:        struct proc *p;
                     76:        struct pfsnode *pfs;
                     77:        struct uio *uio;
                     78: {
                     79:        int xlen;
                     80:        int error;
                     81:        char note[PROCFS_NOTELEN+1];
                     82: 
                     83:        if (uio->uio_rw != UIO_WRITE)
                     84:                return (EINVAL);
                     85: 
                     86:        xlen = PROCFS_NOTELEN;
                     87:        error = vfs_getuserstr(uio, note, &xlen);
                     88:        if (error)
                     89:                return (error);
                     90: 
                     91:        /* send to process's notify function */
                     92:        return (EOPNOTSUPP);
                     93: }

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