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 1997-2003 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, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #ifndef _SYS_SEM_H 32*0Sstevel@tonic-gate #define _SYS_SEM_H 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include <sys/ipc.h> 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #ifdef __cplusplus 39*0Sstevel@tonic-gate extern "C" { 40*0Sstevel@tonic-gate #endif 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate /* 43*0Sstevel@tonic-gate * IPC Semaphore Facility. 44*0Sstevel@tonic-gate */ 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate /* 47*0Sstevel@tonic-gate * Implementation Constants. 48*0Sstevel@tonic-gate */ 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate /* 51*0Sstevel@tonic-gate * Permission Definitions. 52*0Sstevel@tonic-gate */ 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate #define SEM_A 0200 /* alter permission */ 55*0Sstevel@tonic-gate #define SEM_R 0400 /* read permission */ 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate /* 58*0Sstevel@tonic-gate * Semaphore Operation Flags. 59*0Sstevel@tonic-gate */ 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate #define SEM_UNDO 010000 /* set up adjust on exit entry */ 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate /* 64*0Sstevel@tonic-gate * Semctl Command Definitions. 65*0Sstevel@tonic-gate */ 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate #define GETNCNT 3 /* get semncnt */ 68*0Sstevel@tonic-gate #define GETPID 4 /* get sempid */ 69*0Sstevel@tonic-gate #define GETVAL 5 /* get semval */ 70*0Sstevel@tonic-gate #define GETALL 6 /* get all semval's */ 71*0Sstevel@tonic-gate #define GETZCNT 7 /* get semzcnt */ 72*0Sstevel@tonic-gate #define SETVAL 8 /* set semval */ 73*0Sstevel@tonic-gate #define SETALL 9 /* set all semval's */ 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate /* 76*0Sstevel@tonic-gate * Structure Definitions. 77*0Sstevel@tonic-gate */ 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate struct semid_ds { 80*0Sstevel@tonic-gate struct ipc_perm sem_perm; /* operation permission struct */ 81*0Sstevel@tonic-gate struct sem *sem_base; /* ptr to first semaphore in set */ 82*0Sstevel@tonic-gate ushort_t sem_nsems; /* # of semaphores in set */ 83*0Sstevel@tonic-gate #if defined(_LP64) 84*0Sstevel@tonic-gate time_t sem_otime; /* last semop time */ 85*0Sstevel@tonic-gate time_t sem_ctime; /* last change time */ 86*0Sstevel@tonic-gate #else /* _LP64 */ 87*0Sstevel@tonic-gate time_t sem_otime; /* last semop time */ 88*0Sstevel@tonic-gate int32_t sem_pad1; /* reserved for time_t expansion */ 89*0Sstevel@tonic-gate time_t sem_ctime; /* last change time */ 90*0Sstevel@tonic-gate int32_t sem_pad2; /* time_t expansion */ 91*0Sstevel@tonic-gate #endif /* _LP64 */ 92*0Sstevel@tonic-gate int sem_binary; /* flag indicating semaphore type */ 93*0Sstevel@tonic-gate long sem_pad3[3]; /* reserve area */ 94*0Sstevel@tonic-gate }; 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate /* 97*0Sstevel@tonic-gate * User semaphore template for semop system calls. 98*0Sstevel@tonic-gate */ 99*0Sstevel@tonic-gate struct sembuf { 100*0Sstevel@tonic-gate ushort_t sem_num; /* semaphore # */ 101*0Sstevel@tonic-gate short sem_op; /* semaphore operation */ 102*0Sstevel@tonic-gate short sem_flg; /* operation flags */ 103*0Sstevel@tonic-gate }; 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate #if !defined(_KERNEL) 106*0Sstevel@tonic-gate #if defined(__STDC__) 107*0Sstevel@tonic-gate int semctl(int, int, int, ...); 108*0Sstevel@tonic-gate int semget(key_t, int, int); 109*0Sstevel@tonic-gate int semids(int *, uint_t, uint_t *); 110*0Sstevel@tonic-gate int semop(int, struct sembuf *, size_t); 111*0Sstevel@tonic-gate #if defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) 112*0Sstevel@tonic-gate int semtimedop(int, struct sembuf *, size_t, const struct timespec *); 113*0Sstevel@tonic-gate #endif 114*0Sstevel@tonic-gate #else /* __STDC__ */ 115*0Sstevel@tonic-gate int semctl(); 116*0Sstevel@tonic-gate int semget(); 117*0Sstevel@tonic-gate int semids(); 118*0Sstevel@tonic-gate int semop(); 119*0Sstevel@tonic-gate int semtimedop(); 120*0Sstevel@tonic-gate #endif /* __STDC__ */ 121*0Sstevel@tonic-gate #endif /* ! _KERNEL */ 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate #ifdef __cplusplus 124*0Sstevel@tonic-gate } 125*0Sstevel@tonic-gate #endif 126*0Sstevel@tonic-gate 127*0Sstevel@tonic-gate #endif /* _SYS_SEM_H */ 128