1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2002 Doug Rabson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #ifndef NO_COMPAT7 35 #define _WANT_SEMUN_OLD 36 #endif 37 #define _WANT_SEMUN 38 39 #include <sys/types.h> 40 #include <sys/ipc.h> 41 #include <sys/sem.h> 42 #include <stdarg.h> 43 #include <stdlib.h> 44 45 int __semctl(int semid, int semnum, int cmd, union semun *arg); 46 #ifndef NO_COMPAT7 47 int freebsd7___semctl(int semid, int semnum, int cmd, union semun_old *arg); 48 int freebsd7_semctl(int semid, int semnum, int cmd, ...); 49 #endif 50 51 int 52 semctl(int semid, int semnum, int cmd, ...) 53 { 54 va_list ap; 55 union semun semun; 56 union semun *semun_ptr; 57 58 va_start(ap, cmd); 59 if (cmd == IPC_SET || cmd == IPC_STAT || cmd == GETALL 60 || cmd == SETVAL || cmd == SETALL) { 61 semun = va_arg(ap, union semun); 62 semun_ptr = &semun; 63 } else { 64 semun_ptr = NULL; 65 } 66 va_end(ap); 67 68 return (__semctl(semid, semnum, cmd, semun_ptr)); 69 } 70 71 #ifndef NO_COMPAT7 72 int 73 freebsd7_semctl(int semid, int semnum, int cmd, ...) 74 { 75 va_list ap; 76 union semun_old semun; 77 union semun_old *semun_ptr; 78 79 va_start(ap, cmd); 80 if (cmd == IPC_SET || cmd == IPC_STAT || cmd == GETALL 81 || cmd == SETVAL || cmd == SETALL) { 82 semun = va_arg(ap, union semun_old); 83 semun_ptr = &semun; 84 } else { 85 semun_ptr = NULL; 86 } 87 va_end(ap); 88 89 return (freebsd7___semctl(semid, semnum, cmd, semun_ptr)); 90 } 91 92 __sym_compat(semctl, freebsd7_semctl, FBSD_1.0); 93 #endif 94