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procfs_note.c revision 1.11 
      1 /*	$NetBSD: procfs_note.c,v 1.11 2003/06/29 22:31:46 fvdl Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1993 Jan-Simon Pendry
      5  * Copyright (c) 1993
      6  *	The Regents of the University of California.  All rights reserved.
      7  *
      8  * This code is derived from software contributed to Berkeley by
      9  * Jan-Simon Pendry.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by the University of
     22  *	California, Berkeley and its contributors.
     23  * 4. Neither the name of the University nor the names of its contributors
     24  *    may be used to endorse or promote products derived from this software
     25  *    without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     28  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     30  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     31  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     35  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     36  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     37  * SUCH DAMAGE.
     38  *
     39  *	@(#)procfs_note.c	8.2 (Berkeley) 1/21/94
     40  */
     41 
     42 #include <sys/cdefs.h>
     43 __KERNEL_RCSID(0, "$NetBSD: procfs_note.c,v 1.11 2003/06/29 22:31:46 fvdl Exp $");
     44 
     45 #include <sys/param.h>
     46 #include <sys/systm.h>
     47 #include <sys/time.h>
     48 #include <sys/kernel.h>
     49 #include <sys/proc.h>
     50 #include <sys/vnode.h>
     51 #include <sys/signal.h>
     52 #include <miscfs/procfs/procfs.h>
     53 
     54 int
     55 procfs_donote(curp, p, pfs, uio)
     56 	struct proc *curp;
     57 	struct proc *p;
     58 	struct pfsnode *pfs;
     59 	struct uio *uio;
     60 {
     61 	int xlen;
     62 	int error;
     63 	char note[PROCFS_NOTELEN+1];
     64 
     65 	if (uio->uio_rw != UIO_WRITE)
     66 		return (EINVAL);
     67 
     68 	xlen = PROCFS_NOTELEN;
     69 	error = vfs_getuserstr(uio, note, &xlen);
     70 	if (error)
     71 		return (error);
     72 
     73 	/* send to process's notify function */
     74 	return (EOPNOTSUPP);
     75 }
     76