projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 91447636 | 2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. |
| 1c79356b | 3 | * |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 1c79356b | 5 | * |
| 2d21ac55 A |
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. | |
| 8f6c56a5 | 14 | * |
| 2d21ac55 A |
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 | |
| 8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 2d21ac55 A |
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. | |
| 8f6c56a5 | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b A |
27 | */ |
| 28 | /* | |
| 29 | * @OSF_COPYRIGHT@ | |
| 30 | */ | |
| 91447636 A |
31 | |
| 32 | #ifdef MACH_KERNEL_PRIVATE | |
| 33 | ||
| 1c79356b A |
34 | #ifndef _KERN_LEDGER_H_ |
| 35 | #define _KERN_LEDGER_H_ | |
| 36 | ||
| 1c79356b | 37 | #include <mach/mach_types.h> |
| 9bccf70c | 38 | |
| 91447636 | 39 | #include <kern/kern_types.h> |
| 9bccf70c | 40 | #include <kern/lock.h> |
| 91447636 | 41 | #include <ipc/ipc_types.h> |
| 1c79356b A |
42 | |
| 43 | struct ledger { | |
| 44 | ipc_port_t ledger_self; | |
| 45 | ipc_port_t ledger_service_port; | |
| 46 | ledger_item_t ledger_balance; | |
| 47 | ledger_item_t ledger_limit; | |
| 48 | struct ledger *ledger_ledger; | |
| 49 | struct ledger *ledger_parent; | |
| 50 | decl_simple_lock_data(,lock) | |
| 51 | }; | |
| 52 | ||
| 53 | typedef struct ledger ledger_data_t; | |
| 54 | ||
| 1c79356b A |
55 | #define ledger_lock(ledger) simple_lock(&(ledger)->lock) |
| 56 | #define ledger_unlock(ledger) simple_unlock(&(ledger)->lock) | |
| 57 | #define ledger_lock_init(ledger) \ | |
| 91447636 | 58 | simple_lock_init(&(ledger)->lock, 0) |
| 1c79356b A |
59 | |
| 60 | extern ledger_t root_wired_ledger; | |
| 61 | extern ledger_t root_paged_ledger; | |
| 62 | ||
| 63 | #define root_wired_ledger_port root_wired_ledger->ledger_self | |
| 64 | #define root_paged_ledger_port root_paged_ledger->ledger_self | |
| 65 | ||
| 2d21ac55 | 66 | extern void ledger_init(void) __attribute__((section("__TEXT, initcode"))); |
| 9bccf70c | 67 | |
| 1c79356b A |
68 | extern ipc_port_t ledger_copy(ledger_t); |
| 69 | ||
| 70 | extern kern_return_t ledger_enter(ledger_t, ledger_item_t); | |
| 9bccf70c | 71 | |
| 9bccf70c A |
72 | extern ledger_t convert_port_to_ledger(ipc_port_t); |
| 73 | ||
| 74 | extern ipc_port_t convert_ledger_to_port(ledger_t); | |
| 1c79356b A |
75 | |
| 76 | #endif /* _KERN_LEDGER_H_ */ | |
| 91447636 A |
77 | |
| 78 | #endif /* MACH_KERNEL_PRIVATE */ |