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Annotation of sys/miscfs/procfs/procfs_note.c, Revision 1.1.1.1

1.1       nbrk        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: }