1 /* $NetBSD: sysv_shm_50.c,v 1.3 2011/01/19 10:21:16 tsutsui 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_shm_50.c,v 1.3 2011/01/19 10:21:16 tsutsui Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/signal.h> 46 #include <sys/proc.h> 47 #include <sys/shm.h> 48 49 #ifndef SYSVSHM 50 #define SYSVSHM 51 #endif 52 53 #include <sys/syscallargs.h> 54 55 #include <compat/sys/shm.h> 56 57 int 58 compat_50_sys___shmctl13(struct lwp *l, const struct compat_50_sys___shmctl13_args *uap, register_t *retval) 59 { 60 /* { 61 syscallarg(int) shmid; 62 syscallarg(int) cmd; 63 syscallarg(struct shmid_ds13 *) buf; 64 } */ 65 struct shmid_ds shmbuf; 66 struct shmid_ds13 oshmbuf; 67 int cmd, error; 68 69 cmd = SCARG(uap, cmd); 70 71 if (cmd == IPC_SET) { 72 error = copyin(SCARG(uap, buf), &oshmbuf, sizeof(oshmbuf)); 73 if (error) 74 return (error); 75 __shmid_ds13_to_native(&oshmbuf, &shmbuf); 76 } 77 78 error = shmctl1(l, SCARG(uap, shmid), cmd, 79 (cmd == IPC_SET || cmd == IPC_STAT) ? &shmbuf : NULL); 80 81 if (error == 0 && cmd == IPC_STAT) { 82 __native_to_shmid_ds13(&shmbuf, &oshmbuf); 83 error = copyout(&oshmbuf, SCARG(uap, buf), sizeof(oshmbuf)); 84 } 85 86 return (error); 87 } 88