sysv_shm_50.c revision 1.2.2.2
1 1.2.2.2 mjf /* $NetBSD: sysv_shm_50.c,v 1.2.2.2 2009/01/17 13:28:41 mjf Exp $ */ 2 1.2.2.2 mjf 3 1.2.2.2 mjf /*- 4 1.2.2.2 mjf * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 1.2.2.2 mjf * All rights reserved. 6 1.2.2.2 mjf * 7 1.2.2.2 mjf * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 mjf * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 1.2.2.2 mjf * NASA Ames Research Center. 10 1.2.2.2 mjf * 11 1.2.2.2 mjf * Redistribution and use in source and binary forms, with or without 12 1.2.2.2 mjf * modification, are permitted provided that the following conditions 13 1.2.2.2 mjf * are met: 14 1.2.2.2 mjf * 1. Redistributions of source code must retain the above copyright 15 1.2.2.2 mjf * notice, this list of conditions and the following disclaimer. 16 1.2.2.2 mjf * 2. Redistributions in binary form must reproduce the above copyright 17 1.2.2.2 mjf * notice, this list of conditions and the following disclaimer in the 18 1.2.2.2 mjf * documentation and/or other materials provided with the distribution. 19 1.2.2.2 mjf * 3. All advertising materials mentioning features or use of this software 20 1.2.2.2 mjf * must display the following acknowledgement: 21 1.2.2.2 mjf * This product includes software developed by the NetBSD 22 1.2.2.2 mjf * Foundation, Inc. and its contributors. 23 1.2.2.2 mjf * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.2.2.2 mjf * contributors may be used to endorse or promote products derived 25 1.2.2.2 mjf * from this software without specific prior written permission. 26 1.2.2.2 mjf * 27 1.2.2.2 mjf * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.2.2.2 mjf * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.2.2.2 mjf * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.2.2.2 mjf * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.2.2.2 mjf * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.2.2.2 mjf * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.2.2.2 mjf * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.2.2.2 mjf * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.2.2.2 mjf * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.2.2.2 mjf * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.2.2.2 mjf * POSSIBILITY OF SUCH DAMAGE. 38 1.2.2.2 mjf */ 39 1.2.2.2 mjf 40 1.2.2.2 mjf #include <sys/cdefs.h> 41 1.2.2.2 mjf __KERNEL_RCSID(0, "$NetBSD: sysv_shm_50.c,v 1.2.2.2 2009/01/17 13:28:41 mjf Exp $"); 42 1.2.2.2 mjf 43 1.2.2.2 mjf #include <sys/param.h> 44 1.2.2.2 mjf #include <sys/systm.h> 45 1.2.2.2 mjf #include <sys/signal.h> 46 1.2.2.2 mjf #include <sys/proc.h> 47 1.2.2.2 mjf #include <sys/mount.h> 48 1.2.2.2 mjf #include <sys/shm.h> 49 1.2.2.2 mjf 50 1.2.2.2 mjf #ifndef SYSVSHM 51 1.2.2.2 mjf #define SYSVSHM 52 1.2.2.2 mjf #endif 53 1.2.2.2 mjf 54 1.2.2.2 mjf #include <sys/syscallargs.h> 55 1.2.2.2 mjf 56 1.2.2.2 mjf #include <compat/sys/shm.h> 57 1.2.2.2 mjf 58 1.2.2.2 mjf int 59 1.2.2.2 mjf compat_50_sys___shmctl13(struct lwp *l, const struct compat_50_sys___shmctl13_args *uap, register_t *retval) 60 1.2.2.2 mjf { 61 1.2.2.2 mjf /* { 62 1.2.2.2 mjf syscallarg(int) shmid; 63 1.2.2.2 mjf syscallarg(int) cmd; 64 1.2.2.2 mjf syscallarg(struct shmid_ds13 *) buf; 65 1.2.2.2 mjf } */ 66 1.2.2.2 mjf struct shmid_ds shmbuf; 67 1.2.2.2 mjf struct shmid_ds13 oshmbuf; 68 1.2.2.2 mjf int cmd, error; 69 1.2.2.2 mjf 70 1.2.2.2 mjf cmd = SCARG(uap, cmd); 71 1.2.2.2 mjf 72 1.2.2.2 mjf if (cmd == IPC_SET) { 73 1.2.2.2 mjf error = copyin(SCARG(uap, buf), &oshmbuf, sizeof(oshmbuf)); 74 1.2.2.2 mjf if (error) 75 1.2.2.2 mjf return (error); 76 1.2.2.2 mjf __shmid_ds13_to_native(&oshmbuf, &shmbuf); 77 1.2.2.2 mjf } 78 1.2.2.2 mjf 79 1.2.2.2 mjf error = shmctl1(l, SCARG(uap, shmid), cmd, 80 1.2.2.2 mjf (cmd == IPC_SET || cmd == IPC_STAT) ? &shmbuf : NULL); 81 1.2.2.2 mjf 82 1.2.2.2 mjf if (error == 0 && cmd == IPC_STAT) { 83 1.2.2.2 mjf __native_to_shmid_ds13(&shmbuf, &oshmbuf); 84 1.2.2.2 mjf error = copyout(&oshmbuf, SCARG(uap, buf), sizeof(oshmbuf)); 85 1.2.2.2 mjf } 86 1.2.2.2 mjf 87 1.2.2.2 mjf return (error); 88 1.2.2.2 mjf } 89
Indexes created Fri Oct 17 17:09:57 GMT 2025