1*43a90889SApple OSS Distributions /* 2*43a90889SApple OSS Distributions * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved. 3*43a90889SApple OSS Distributions * 4*43a90889SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*43a90889SApple OSS Distributions * 6*43a90889SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*43a90889SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*43a90889SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*43a90889SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*43a90889SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*43a90889SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*43a90889SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*43a90889SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*43a90889SApple OSS Distributions * 15*43a90889SApple OSS Distributions * Please obtain a copy of the License at 16*43a90889SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*43a90889SApple OSS Distributions * 18*43a90889SApple OSS Distributions * The Original Code and all software distributed under the License are 19*43a90889SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*43a90889SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*43a90889SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*43a90889SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*43a90889SApple OSS Distributions * Please see the License for the specific language governing rights and 24*43a90889SApple OSS Distributions * limitations under the License. 25*43a90889SApple OSS Distributions * 26*43a90889SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*43a90889SApple OSS Distributions */ 28*43a90889SApple OSS Distributions /* 29*43a90889SApple OSS Distributions * Copyright (c) 1990, 1996-1998 Apple Computer, Inc. 30*43a90889SApple OSS Distributions * All Rights Reserved. 31*43a90889SApple OSS Distributions */ 32*43a90889SApple OSS Distributions /* 33*43a90889SApple OSS Distributions * posix_shm.c : Support for POSIX semaphore APIs 34*43a90889SApple OSS Distributions * 35*43a90889SApple OSS Distributions * File: posix_sem.c 36*43a90889SApple OSS Distributions * Author: Ananthakrishna Ramesh 37*43a90889SApple OSS Distributions * 38*43a90889SApple OSS Distributions * HISTORY 39*43a90889SApple OSS Distributions * 2-Sep-1999 A.Ramesh 40*43a90889SApple OSS Distributions * Created for MacOSX 41*43a90889SApple OSS Distributions * 42*43a90889SApple OSS Distributions */ 43*43a90889SApple OSS Distributions 44*43a90889SApple OSS Distributions #ifndef _SYS_POSIX_SEM_H_ 45*43a90889SApple OSS Distributions #define _SYS_POSIX_SEM_H_ 46*43a90889SApple OSS Distributions 47*43a90889SApple OSS Distributions #include <sys/appleapiopts.h> 48*43a90889SApple OSS Distributions #include <sys/types.h> 49*43a90889SApple OSS Distributions #include <sys/proc.h> 50*43a90889SApple OSS Distributions 51*43a90889SApple OSS Distributions struct label; 52*43a90889SApple OSS Distributions 53*43a90889SApple OSS Distributions #define PSEMNAMLEN 31 /* maximum name segment length we bother with */ 54*43a90889SApple OSS Distributions 55*43a90889SApple OSS Distributions struct pseminfo { 56*43a90889SApple OSS Distributions unsigned int psem_flags; 57*43a90889SApple OSS Distributions unsigned int psem_usecount; 58*43a90889SApple OSS Distributions mode_t psem_mode; 59*43a90889SApple OSS Distributions uid_t psem_uid; 60*43a90889SApple OSS Distributions gid_t psem_gid; 61*43a90889SApple OSS Distributions char psem_name[PSEMNAMLEN + 1]; /* segment name */ 62*43a90889SApple OSS Distributions void * psem_semobject; 63*43a90889SApple OSS Distributions struct label * psem_label; 64*43a90889SApple OSS Distributions pid_t psem_creator_pid; 65*43a90889SApple OSS Distributions uint64_t psem_creator_uniqueid; 66*43a90889SApple OSS Distributions }; 67*43a90889SApple OSS Distributions 68*43a90889SApple OSS Distributions #define PSEMINFO_NULL (struct pseminfo *)0 69*43a90889SApple OSS Distributions 70*43a90889SApple OSS Distributions #define PSEM_NONE 1 71*43a90889SApple OSS Distributions #define PSEM_DEFINED 2 72*43a90889SApple OSS Distributions #define PSEM_ALLOCATED 4 73*43a90889SApple OSS Distributions #define PSEM_MAPPED 8 74*43a90889SApple OSS Distributions #define PSEM_INUSE 0x10 75*43a90889SApple OSS Distributions #define PSEM_REMOVED 0x20 76*43a90889SApple OSS Distributions #define PSEM_INCREATE 0x40 77*43a90889SApple OSS Distributions #define PSEM_INDELETE 0x80 78*43a90889SApple OSS Distributions 79*43a90889SApple OSS Distributions #endif 80