1/* $NetBSD: compat___semctl13.c,v 1.5 2014/08/13 14:43:48 joerg Exp $ */ 2 3/*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38#include <sys/cdefs.h> 39#if defined(LIBC_SCCS) && !defined(lint) 40__RCSID("$NetBSD: compat___semctl13.c,v 1.5 2014/08/13 14:43:48 joerg Exp $"); 41#endif /* LIBC_SCCS and not lint */ 42 43#include "namespace.h" 44#define __LIBC12_SOURCE__ 45#include <stdarg.h> 46#include <sys/time.h> 47#include <compat/sys/time.h> 48#include <sys/sem.h> 49#include <compat/sys/sem.h> 50#ifdef __lint__ 51#include <string.h> 52#endif 53 54__warn_references(__semctl13, 55 "warning: reference to compatibility __semctl13(); include <sys/sem.h> to generate correct reference") 56 57/* 58 * Copy timeout to local variable and call the syscall. 59 */ 60int 61__semctl13(int semid, int semnum, int cmd, ...) 62{ 63 va_list ap; 64 union __semun semun; 65 struct semid_ds13 *ds13; 66 struct semid_ds ds; 67 int error; 68 69 va_start(ap, cmd); 70 switch (cmd) { 71 case IPC_SET: 72 case IPC_STAT: 73 case GETALL: 74 case SETVAL: 75 case SETALL: 76#ifdef __lint__ 77 memcpy(&semun, &ap, sizeof(semun)); 78#else 79 semun = va_arg(ap, union __semun); 80#endif 81 break; 82 default: 83 break; 84 } 85 va_end(ap); 86 87 switch (cmd) { 88 case IPC_SET: 89 case IPC_STAT: 90 ds13 = (void *)semun.buf; 91 semun.buf = &ds; 92 if (cmd == IPC_SET) 93 __semid_ds13_to_native(ds13, &ds); 94 break; 95 default: 96 ds13 = NULL; 97 break; 98 } 99 100 101 error = ____semctl50(semid, semnum, cmd, &semun); 102 if (error) 103 return error; 104 105 if (cmd == IPC_STAT) 106 __native_to_semid_ds13(&ds, ds13); 107 return 0; 108} 109