sysv_sem_50.c revision 1.2.2.2
1 1.2.2.2 mjf /* $NetBSD: sysv_sem_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_sem_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/sem.h> 49 1.2.2.2 mjf 50 1.2.2.2 mjf #ifndef SYSVSEM 51 1.2.2.2 mjf #define SYSVSEM 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/sem.h> 57 1.2.2.2 mjf 58 1.2.2.2 mjf int 59 1.2.2.2 mjf compat_50_sys_____semctl13(struct lwp *l, const struct compat_50_sys_____semctl13_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) semid; 63 1.2.2.2 mjf syscallarg(int) semnum; 64 1.2.2.2 mjf syscallarg(int) cmd; 65 1.2.2.2 mjf syscallarg(union __semun *) arg; 66 1.2.2.2 mjf } */ 67 1.2.2.2 mjf union __semun arg; 68 1.2.2.2 mjf struct semid_ds sembuf; 69 1.2.2.2 mjf struct semid_ds13 osembuf; 70 1.2.2.2 mjf int cmd, error; 71 1.2.2.2 mjf void *pass_arg; 72 1.2.2.2 mjf 73 1.2.2.2 mjf cmd = SCARG(uap, cmd); 74 1.2.2.2 mjf 75 1.2.2.2 mjf pass_arg = get_semctl_arg(cmd, &sembuf, &arg); 76 1.2.2.2 mjf 77 1.2.2.2 mjf if (pass_arg != NULL) { 78 1.2.2.2 mjf error = copyin(SCARG(uap, arg), &arg, sizeof(arg)); 79 1.2.2.2 mjf if (error) 80 1.2.2.2 mjf return (error); 81 1.2.2.2 mjf if (cmd == IPC_SET) { 82 1.2.2.2 mjf error = copyin(arg.buf, &osembuf, sizeof(osembuf)); 83 1.2.2.2 mjf if (error) 84 1.2.2.2 mjf return (error); 85 1.2.2.2 mjf __semid_ds13_to_native(&osembuf, &sembuf); 86 1.2.2.2 mjf } 87 1.2.2.2 mjf } 88 1.2.2.2 mjf 89 1.2.2.2 mjf error = semctl1(l, SCARG(uap, semid), SCARG(uap, semnum), cmd, 90 1.2.2.2 mjf pass_arg, retval); 91 1.2.2.2 mjf 92 1.2.2.2 mjf if (error == 0 && cmd == IPC_STAT) { 93 1.2.2.2 mjf __native_to_semid_ds13(&sembuf, &osembuf); 94 1.2.2.2 mjf error = copyout(&osembuf, arg.buf, sizeof(osembuf)); 95 1.2.2.2 mjf } 96 1.2.2.2 mjf 97 1.2.2.2 mjf return (error); 98 1.2.2.2 mjf } 99
Indexes created Sun Oct 19 02:09:48 GMT 2025