1*94d3b452SApple OSS Distributions /* 2*94d3b452SApple OSS Distributions * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved. 3*94d3b452SApple OSS Distributions * 4*94d3b452SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*94d3b452SApple OSS Distributions * 6*94d3b452SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*94d3b452SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*94d3b452SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*94d3b452SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*94d3b452SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*94d3b452SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*94d3b452SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*94d3b452SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*94d3b452SApple OSS Distributions * 15*94d3b452SApple OSS Distributions * Please obtain a copy of the License at 16*94d3b452SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*94d3b452SApple OSS Distributions * 18*94d3b452SApple OSS Distributions * The Original Code and all software distributed under the License are 19*94d3b452SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*94d3b452SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*94d3b452SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*94d3b452SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*94d3b452SApple OSS Distributions * Please see the License for the specific language governing rights and 24*94d3b452SApple OSS Distributions * limitations under the License. 25*94d3b452SApple OSS Distributions * 26*94d3b452SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*94d3b452SApple OSS Distributions */ 28*94d3b452SApple OSS Distributions /* 29*94d3b452SApple OSS Distributions * Copyright (c) 1990, 1996-1998 Apple Computer, Inc. 30*94d3b452SApple OSS Distributions * All Rights Reserved. 31*94d3b452SApple OSS Distributions */ 32*94d3b452SApple OSS Distributions /* 33*94d3b452SApple OSS Distributions * posix_shm.c : Support for POSIX semaphore APIs 34*94d3b452SApple OSS Distributions * 35*94d3b452SApple OSS Distributions * File: posix_sem.c 36*94d3b452SApple OSS Distributions * Author: Ananthakrishna Ramesh 37*94d3b452SApple OSS Distributions * 38*94d3b452SApple OSS Distributions * HISTORY 39*94d3b452SApple OSS Distributions * 2-Sep-1999 A.Ramesh 40*94d3b452SApple OSS Distributions * Created for MacOSX 41*94d3b452SApple OSS Distributions * 42*94d3b452SApple OSS Distributions */ 43*94d3b452SApple OSS Distributions 44*94d3b452SApple OSS Distributions #ifndef _SYS_POSIX_SEM_H_ 45*94d3b452SApple OSS Distributions #define _SYS_POSIX_SEM_H_ 46*94d3b452SApple OSS Distributions 47*94d3b452SApple OSS Distributions #include <sys/appleapiopts.h> 48*94d3b452SApple OSS Distributions #include <sys/types.h> 49*94d3b452SApple OSS Distributions #include <sys/proc.h> 50*94d3b452SApple OSS Distributions 51*94d3b452SApple OSS Distributions struct label; 52*94d3b452SApple OSS Distributions 53*94d3b452SApple OSS Distributions #define PSEMNAMLEN 31 /* maximum name segment length we bother with */ 54*94d3b452SApple OSS Distributions 55*94d3b452SApple OSS Distributions struct pseminfo { 56*94d3b452SApple OSS Distributions unsigned int psem_flags; 57*94d3b452SApple OSS Distributions unsigned int psem_usecount; 58*94d3b452SApple OSS Distributions mode_t psem_mode; 59*94d3b452SApple OSS Distributions uid_t psem_uid; 60*94d3b452SApple OSS Distributions gid_t psem_gid; 61*94d3b452SApple OSS Distributions char psem_name[PSEMNAMLEN + 1]; /* segment name */ 62*94d3b452SApple OSS Distributions void * psem_semobject; 63*94d3b452SApple OSS Distributions struct label * psem_label; 64*94d3b452SApple OSS Distributions pid_t psem_creator_pid; 65*94d3b452SApple OSS Distributions uint64_t psem_creator_uniqueid; 66*94d3b452SApple OSS Distributions }; 67*94d3b452SApple OSS Distributions 68*94d3b452SApple OSS Distributions #define PSEMINFO_NULL (struct pseminfo *)0 69*94d3b452SApple OSS Distributions 70*94d3b452SApple OSS Distributions #define PSEM_NONE 1 71*94d3b452SApple OSS Distributions #define PSEM_DEFINED 2 72*94d3b452SApple OSS Distributions #define PSEM_ALLOCATED 4 73*94d3b452SApple OSS Distributions #define PSEM_MAPPED 8 74*94d3b452SApple OSS Distributions #define PSEM_INUSE 0x10 75*94d3b452SApple OSS Distributions #define PSEM_REMOVED 0x20 76*94d3b452SApple OSS Distributions #define PSEM_INCREATE 0x40 77*94d3b452SApple OSS Distributions #define PSEM_INDELETE 0x80 78*94d3b452SApple OSS Distributions 79*94d3b452SApple OSS Distributions #endif 80