1 | /* |
2 | * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | /* |
29 | * @OSF_COPYRIGHT@ |
30 | */ |
31 | |
32 | #ifndef _MACH_SYNC_POLICY_H_ |
33 | #define _MACH_SYNC_POLICY_H_ |
34 | |
35 | typedef int sync_policy_t; |
36 | |
37 | /* |
38 | * These options define the wait ordering of the synchronizers |
39 | */ |
40 | #define SYNC_POLICY_FIFO 0x0 |
41 | #define SYNC_POLICY_FIXED_PRIORITY 0x1 |
42 | #define SYNC_POLICY_REVERSED 0x2 |
43 | #define SYNC_POLICY_ORDER_MASK 0x3 |
44 | #define SYNC_POLICY_LIFO (SYNC_POLICY_FIFO|SYNC_POLICY_REVERSED) |
45 | |
46 | #if KERNEL_PRIVATE |
47 | |
48 | #define SYNC_POLICY_PREPOST 0x4 /* obsolete but kexts use it */ |
49 | |
50 | #endif /* KERNEL_PRIVATE */ |
51 | #ifdef XNU_KERNEL_PRIVATE |
52 | |
53 | /* SYNC_POLICY_FIXED_PRIORITY is no longer supported */ |
54 | #define SYNC_POLICY_USER_MASK \ |
55 | (SYNC_POLICY_FIFO | SYNC_POLICY_LIFO | SYNC_POLICY_PREPOST) |
56 | |
57 | #define SYNC_POLICY_INIT_LOCKED 0x08 |
58 | |
59 | #endif /* XNU_KERNEL_PRIVATE */ |
60 | |
61 | #endif /* _MACH_SYNC_POLICY_H_ */ |
62 | |