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kern_sig_16.c revision 1.1
      1  1.1  ad /*	$NetBSD: kern_sig_16.c,v 1.1 2008/11/14 23:10:57 ad Exp $	*/
      2  1.1  ad 
      3  1.1  ad /*-
      4  1.1  ad  * Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
      5  1.1  ad  * All rights reserved.
      6  1.1  ad  *
      7  1.1  ad  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1  ad  * by Andrew Doran.
      9  1.1  ad  *
     10  1.1  ad  * Redistribution and use in source and binary forms, with or without
     11  1.1  ad  * modification, are permitted provided that the following conditions
     12  1.1  ad  * are met:
     13  1.1  ad  * 1. Redistributions of source code must retain the above copyright
     14  1.1  ad  *    notice, this list of conditions and the following disclaimer.
     15  1.1  ad  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  ad  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  ad  *    documentation and/or other materials provided with the distribution.
     18  1.1  ad  *
     19  1.1  ad  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1  ad  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1  ad  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1  ad  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1  ad  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1  ad  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1  ad  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1  ad  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1  ad  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1  ad  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1  ad  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1  ad  */
     31  1.1  ad 
     32  1.1  ad /*
     33  1.1  ad  * Copyright (c) 1982, 1986, 1989, 1991, 1993
     34  1.1  ad  *	The Regents of the University of California.  All rights reserved.
     35  1.1  ad  * (c) UNIX System Laboratories, Inc.
     36  1.1  ad  * All or some portions of this file are derived from material licensed
     37  1.1  ad  * to the University of California by American Telephone and Telegraph
     38  1.1  ad  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
     39  1.1  ad  * the permission of UNIX System Laboratories, Inc.
     40  1.1  ad  *
     41  1.1  ad  * Redistribution and use in source and binary forms, with or without
     42  1.1  ad  * modification, are permitted provided that the following conditions
     43  1.1  ad  * are met:
     44  1.1  ad  * 1. Redistributions of source code must retain the above copyright
     45  1.1  ad  *    notice, this list of conditions and the following disclaimer.
     46  1.1  ad  * 2. Redistributions in binary form must reproduce the above copyright
     47  1.1  ad  *    notice, this list of conditions and the following disclaimer in the
     48  1.1  ad  *    documentation and/or other materials provided with the distribution.
     49  1.1  ad  * 3. Neither the name of the University nor the names of its contributors
     50  1.1  ad  *    may be used to endorse or promote products derived from this software
     51  1.1  ad  *    without specific prior written permission.
     52  1.1  ad  *
     53  1.1  ad  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     54  1.1  ad  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     55  1.1  ad  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     56  1.1  ad  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     57  1.1  ad  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     58  1.1  ad  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     59  1.1  ad  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     60  1.1  ad  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     61  1.1  ad  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     62  1.1  ad  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     63  1.1  ad  * SUCH DAMAGE.
     64  1.1  ad  *
     65  1.1  ad  *	@(#)kern_sig.c	8.14 (Berkeley) 5/14/95
     66  1.1  ad  */
     67  1.1  ad 
     68  1.1  ad #include <sys/cdefs.h>
     69  1.1  ad __KERNEL_RCSID(0, "$NetBSD: kern_sig_16.c,v 1.1 2008/11/14 23:10:57 ad Exp $");
     70  1.1  ad 
     71  1.1  ad #include <sys/param.h>
     72  1.1  ad #include <sys/kernel.h>
     73  1.1  ad #include <sys/signalvar.h>
     74  1.1  ad #include <sys/proc.h>
     75  1.1  ad #include <sys/pool.h>
     76  1.1  ad #include <sys/sa.h>
     77  1.1  ad #include <sys/savar.h>
     78  1.1  ad #include <sys/syscallargs.h>
     79  1.1  ad #include <sys/kauth.h>
     80  1.1  ad #include <sys/wait.h>
     81  1.1  ad #include <sys/kmem.h>
     82  1.1  ad 
     83  1.1  ad /* ARGSUSED */
     84  1.1  ad int
     85  1.1  ad compat_16_sys___sigaction14(struct lwp *l, const struct compat_16_sys___sigaction14_args *uap, register_t *retval)
     86  1.1  ad {
     87  1.1  ad 	/* {
     88  1.1  ad 		syscallarg(int)				signum;
     89  1.1  ad 		syscallarg(const struct sigaction *)	nsa;
     90  1.1  ad 		syscallarg(struct sigaction *)		osa;
     91  1.1  ad 	} */
     92  1.1  ad 	struct sigaction	nsa, osa;
     93  1.1  ad 	int			error;
     94  1.1  ad 
     95  1.1  ad 	if (SCARG(uap, nsa)) {
     96  1.1  ad 		error = copyin(SCARG(uap, nsa), &nsa, sizeof(nsa));
     97  1.1  ad 		if (error)
     98  1.1  ad 			return (error);
     99  1.1  ad 	}
    100  1.1  ad 	error = sigaction1(l, SCARG(uap, signum),
    101  1.1  ad 	    SCARG(uap, nsa) ? &nsa : 0, SCARG(uap, osa) ? &osa : 0,
    102  1.1  ad 	    NULL, 0);
    103  1.1  ad 	if (error)
    104  1.1  ad 		return (error);
    105  1.1  ad 	if (SCARG(uap, osa)) {
    106  1.1  ad 		error = copyout(&osa, SCARG(uap, osa), sizeof(osa));
    107  1.1  ad 		if (error)
    108  1.1  ad 			return (error);
    109  1.1  ad 	}
    110  1.1  ad 	return (0);
    111  1.1  ad }
    112