| | 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 | |
| | 52 | struct label; |
| | 53 | |
| | 54 | #define PSEMNAMLEN 31 /* maximum name segment length we bother with */ |
| | 55 | |
| | 56 | struct 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 proc * sem_proc; |
| | 65 | struct label * psem_label; |
| | 66 | }; |
| | 67 | |
| | 68 | #define PSEMINFO_NULL (struct pseminfo *)0 |
| | 69 | |
| | 70 | #define PSEM_NONE 1 |
| | 71 | #define PSEM_DEFINED 2 |
| | 72 | #define PSEM_ALLOCATED 4 |
| | 73 | #define PSEM_MAPPED 8 |
| | 74 | #define PSEM_INUSE 0x10 |
| | 75 | #define PSEM_REMOVED 0x20 |
| | 76 | #define PSEM_INCREATE 0x40 |
| | 77 | #define PSEM_INDELETE 0x80 |
| | 78 | |
| | 79 | #endif |
projects / apple / xnu.git / blame_incremental