1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <syscall.h> 33*0Sstevel@tonic-gate #include <varargs.h> 34*0Sstevel@tonic-gate #include <sys/types.h> 35*0Sstevel@tonic-gate #include <sys/ipc.h> 36*0Sstevel@tonic-gate #include <sys/sem.h> 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate /* semsys dispatch argument */ 39*0Sstevel@tonic-gate #define SEMCTL 0 40*0Sstevel@tonic-gate #define SEMGET 1 41*0Sstevel@tonic-gate #define SEMOP 2 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate /*VARARGS3*/ 44*0Sstevel@tonic-gate semctl(semid, semnum, cmd, arg) 45*0Sstevel@tonic-gate int semid, cmd; 46*0Sstevel@tonic-gate int semnum; 47*0Sstevel@tonic-gate union semun arg; 48*0Sstevel@tonic-gate { 49*0Sstevel@tonic-gate switch (cmd) { 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate case IPC_STAT: 52*0Sstevel@tonic-gate case IPC_SET: 53*0Sstevel@tonic-gate cmd += 10; 54*0Sstevel@tonic-gate /* fall-through */ 55*0Sstevel@tonic-gate case SETVAL: 56*0Sstevel@tonic-gate case GETALL: 57*0Sstevel@tonic-gate case SETALL: 58*0Sstevel@tonic-gate return(_syscall(SYS_semsys,SEMCTL,semid,semnum,cmd,arg.val)); 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate case IPC_RMID: 61*0Sstevel@tonic-gate cmd += 10; 62*0Sstevel@tonic-gate /* fall-through */ 63*0Sstevel@tonic-gate default: 64*0Sstevel@tonic-gate return(_syscall(SYS_semsys,SEMCTL,semid,semnum,cmd,0)); 65*0Sstevel@tonic-gate } 66*0Sstevel@tonic-gate } 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate semget(key, nsems, semflg) 69*0Sstevel@tonic-gate key_t key; 70*0Sstevel@tonic-gate int nsems, semflg; 71*0Sstevel@tonic-gate { 72*0Sstevel@tonic-gate return(_syscall(SYS_semsys, SEMGET, key, nsems, semflg)); 73*0Sstevel@tonic-gate } 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate semop(semid, sops, nsops) 76*0Sstevel@tonic-gate int semid; 77*0Sstevel@tonic-gate struct sembuf *sops; 78*0Sstevel@tonic-gate int nsops; 79*0Sstevel@tonic-gate { 80*0Sstevel@tonic-gate return(_syscall(SYS_semsys, SEMOP, semid, sops, nsops)); 81*0Sstevel@tonic-gate } 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate semsys(sysnum, va_alist) 84*0Sstevel@tonic-gate int sysnum; 85*0Sstevel@tonic-gate va_dcl 86*0Sstevel@tonic-gate { 87*0Sstevel@tonic-gate va_list ap; 88*0Sstevel@tonic-gate int semid, cmd; 89*0Sstevel@tonic-gate int semnum, val; 90*0Sstevel@tonic-gate union semun arg; 91*0Sstevel@tonic-gate key_t key; 92*0Sstevel@tonic-gate int nsems, semflg; 93*0Sstevel@tonic-gate struct sembuf *sops; 94*0Sstevel@tonic-gate int nsops; 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate va_start(ap); 97*0Sstevel@tonic-gate switch (sysnum) { 98*0Sstevel@tonic-gate case SEMCTL: 99*0Sstevel@tonic-gate semid=va_arg(ap, int); 100*0Sstevel@tonic-gate semnum=va_arg(ap, int); 101*0Sstevel@tonic-gate cmd=va_arg(ap, int); 102*0Sstevel@tonic-gate val=va_arg(ap, int); 103*0Sstevel@tonic-gate if ((cmd == IPC_STAT) || (cmd == IPC_SET) || (cmd == IPC_RMID)) 104*0Sstevel@tonic-gate cmd += 10; 105*0Sstevel@tonic-gate return(_syscall(SYS_semsys, SEMCTL, semid, semnum, cmd, val)); 106*0Sstevel@tonic-gate case SEMGET: 107*0Sstevel@tonic-gate key=va_arg(ap, key_t); 108*0Sstevel@tonic-gate nsems=va_arg(ap, int); 109*0Sstevel@tonic-gate semflg=va_arg(ap, int); 110*0Sstevel@tonic-gate return(semget(key, nsems, semflg)); 111*0Sstevel@tonic-gate case SEMOP: 112*0Sstevel@tonic-gate semid=va_arg(ap, int); 113*0Sstevel@tonic-gate sops=va_arg(ap, struct sembuf *); 114*0Sstevel@tonic-gate nsops=va_arg(ap, int); 115*0Sstevel@tonic-gate return(semop(semid, sops, nsops)); 116*0Sstevel@tonic-gate } 117*0Sstevel@tonic-gate } 118*0Sstevel@tonic-gate 119