1 /* $NetBSD: sysv_msg_50.c,v 1.4 2019/01/27 02:08:39 pgoyette Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 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 NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #include <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: sysv_msg_50.c,v 1.4 2019/01/27 02:08:39 pgoyette Exp $"); 42 43 #if defined(_KERNEL_OPT) 44 #include "opt_compat_netbsd.h" 45 #endif 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/signal.h> 50 #include <sys/proc.h> 51 #include <sys/msg.h> 52 53 #include <compat/sys/msg.h> 54 55 #ifndef SYSVMSG 56 #define SYSVMSG 57 #endif 58 59 #include <sys/syscallargs.h> 60 61 int 62 compat_50_sys___msgctl13(struct lwp *l, const struct compat_50_sys___msgctl13_args *uap, register_t *retval) 63 { 64 /* { 65 syscallarg(int) msqid; 66 syscallarg(int) cmd; 67 syscallarg(struct msqid_ds13 *) buf; 68 } */ 69 struct msqid_ds msqbuf; 70 struct msqid_ds13 omsqbuf; 71 int cmd, error; 72 73 cmd = SCARG(uap, cmd); 74 75 if (cmd == IPC_SET) { 76 error = copyin(SCARG(uap, buf), &omsqbuf, sizeof(omsqbuf)); 77 if (error) 78 return (error); 79 __msqid_ds13_to_native(&omsqbuf, &msqbuf); 80 } 81 82 error = msgctl1(l, SCARG(uap, msqid), cmd, 83 (cmd == IPC_SET || cmd == IPC_STAT) ? &msqbuf : NULL); 84 85 if (error == 0 && cmd == IPC_STAT) { 86 __native_to_msqid_ds13(&msqbuf, &omsqbuf); 87 error = copyout(&omsqbuf, SCARG(uap, buf), sizeof(omsqbuf)); 88 } 89 90 return (error); 91 } 92