1 2/* 3 * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved. 4 * 5 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 6 * 7 * This file contains Original Code and/or Modifications of Original Code 8 * as defined in and that are subject to the Apple Public Source License 9 * Version 2.0 (the 'License'). You may not use this file except in 10 * compliance with the License. The rights granted to you under the License 11 * may not be used to create, or enable the creation or redistribution of, 12 * unlawful or unlicensed copies of an Apple operating system, or to 13 * circumvent, violate, or enable the circumvention or violation of, any 14 * terms of an Apple operating system software license agreement. 15 * 16 * Please obtain a copy of the License at 17 * http://www.opensource.apple.com/apsl/ and read it before using this file. 18 * 19 * The Original Code and all software distributed under the License are 20 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 21 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 22 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 23 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 24 * Please see the License for the specific language governing rights and 25 * limitations under the License. 26 * 27 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 28 */ 29/* 30 * Copyright (c) 1990, 1996-1998 Apple Computer, Inc. 31 * All Rights Reserved. 32 */ 33/* 34 * posix_shm.c : Support for POSIX semaphore APIs 35 * 36 * File: posix_sem.c 37 * Author: Ananthakrishna Ramesh 38 * 39 * HISTORY 40 * 2-Sep-1999 A.Ramesh 41 * Created for MacOSX 42 * 43 */ 44 45#ifndef _SYS_POSIX_SEM_H_ 46#define _SYS_POSIX_SEM_H_ 47 48#include <sys/appleapiopts.h> 49#include <sys/types.h> 50#include <sys/proc.h> 51 52struct label; 53 54#define PSEMNAMLEN 31 /* maximum name segment length we bother with */ 55 56struct pseminfo { 57 unsigned int psem_flags; 58 unsigned int psem_usecount; 59 mode_t psem_mode; 60 uid_t psem_uid; 61 gid_t psem_gid; 62 char psem_name[PSEMNAMLEN + 1]; /* segment name */ 63 void * psem_semobject; 64 struct label * psem_label; 65 pid_t psem_creator_pid; 66 uint64_t psem_creator_uniqueid; 67}; 68 69#define PSEMINFO_NULL (struct pseminfo *)0 70 71#define PSEM_NONE 1 72#define PSEM_DEFINED 2 73#define PSEM_ALLOCATED 4 74#define PSEM_MAPPED 8 75#define PSEM_INUSE 0x10 76#define PSEM_REMOVED 0x20 77#define PSEM_INCREATE 0x40 78#define PSEM_INDELETE 0x80 79 80#endif 81