1 /* $NetBSD: compat___semctl13.c,v 1.2 2009/01/11 02:46:26 christos Exp $ */ 2 3 /* $NetBSD: compat___semctl13.c,v 1.2 2009/01/11 02:46:26 christos Exp $ */ 4 5 /*- 6 * Copyright (c) 2008 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to The NetBSD Foundation 10 * by Christos Zoulas. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 #include <sys/cdefs.h> 41 #if defined(LIBC_SCCS) && !defined(lint) 42 __RCSID("$NetBSD: compat___semctl13.c,v 1.2 2009/01/11 02:46:26 christos Exp $"); 43 #endif /* LIBC_SCCS and not lint */ 44 45 #include "namespace.h" 46 #define __LIBC12_SOURCE__ 47 #include <stdarg.h> 48 #include <sys/time.h> 49 #include <compat/sys/time.h> 50 #include <sys/sem.h> 51 #include <compat/sys/sem.h> 52 53 __warn_references(__semctl13, 54 "warning: reference to compatibility __semctl13(); include <sys/sem.h> to generate correct reference") 55 56 /* 57 * Copy timeout to local variable and call the syscall. 58 */ 59 int 60 __semctl13(int semid, int semnum, int cmd, ...) 61 { 62 va_list ap; 63 union __semun semun; 64 struct semid_ds13 *ds13; 65 struct semid_ds ds; 66 int error; 67 68 va_start(ap, cmd); 69 switch (cmd) { 70 case IPC_SET: 71 case IPC_STAT: 72 case GETALL: 73 case SETVAL: 74 case SETALL: 75 #ifdef __lint__ 76 memcpy(&semun, &ap, sizeof(semun)); 77 #else 78 semun = va_arg(ap, union __semun); 79 #endif 80 } 81 va_end(ap); 82 83 ds13 = (struct semid_ds13 *)(void *)semun.buf; 84 semun.buf = &ds; 85 86 if (cmd == IPC_SET) 87 __semid_ds13_to_native(ds13, &ds); 88 89 error = ____semctl50(semid, semnum, cmd, &semun); 90 if (error) 91 return error; 92 93 if (cmd == IPC_STAT) 94 __native_to_semid_ds13(&ds, ds13); 95 96 semun.buf = (struct semid_ds *)(void *)ds13; 97 return 0; 98 } 99