projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 43866e37 | 6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
| 1c79356b | 7 | * |
| 43866e37 A |
8 | * This file contains Original Code and/or Modifications of Original Code |
| 9 | * as defined in and that are subject to the Apple Public Source License | |
| 10 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 11 | * compliance with the License. Please obtain a copy of the License at | |
| 12 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 13 | * file. | |
| 14 | * | |
| 15 | * The Original Code and all software distributed under the License are | |
| 16 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 1c79356b A |
17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 43866e37 A |
19 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 20 | * Please see the License for the specific language governing rights and | |
| 21 | * limitations under the License. | |
| 1c79356b A |
22 | * |
| 23 | * @APPLE_LICENSE_HEADER_END@ | |
| 24 | */ | |
| 25 | /* | |
| 26 | * @OSF_COPYRIGHT@ | |
| 27 | */ | |
| 28 | #ifndef _KERN_LEDGER_H_ | |
| 29 | #define _KERN_LEDGER_H_ | |
| 30 | ||
| 9bccf70c | 31 | |
| 1c79356b | 32 | #include <mach/mach_types.h> |
| 9bccf70c A |
33 | #include <ipc/ipc_port.h> |
| 34 | ||
| 35 | #include <sys/appleapiopts.h> | |
| 36 | ||
| 37 | #ifdef __APPLE_API_PRIVATE | |
| 38 | ||
| 39 | #ifdef MACH_KERNEL_PRIVATE | |
| 40 | ||
| 41 | #include <kern/lock.h> | |
| 42 | #include <mach/etap_events.h> | |
| 1c79356b A |
43 | |
| 44 | #define LEDGER_ITEM_INFINITY (~0) | |
| 45 | ||
| 46 | struct ledger { | |
| 47 | ipc_port_t ledger_self; | |
| 48 | ipc_port_t ledger_service_port; | |
| 49 | ledger_item_t ledger_balance; | |
| 50 | ledger_item_t ledger_limit; | |
| 51 | struct ledger *ledger_ledger; | |
| 52 | struct ledger *ledger_parent; | |
| 53 | decl_simple_lock_data(,lock) | |
| 54 | }; | |
| 55 | ||
| 56 | typedef struct ledger ledger_data_t; | |
| 57 | ||
| 1c79356b A |
58 | #define ledger_lock(ledger) simple_lock(&(ledger)->lock) |
| 59 | #define ledger_unlock(ledger) simple_unlock(&(ledger)->lock) | |
| 60 | #define ledger_lock_init(ledger) \ | |
| 61 | simple_lock_init(&(ledger)->lock, ETAP_MISC_LEDGER) | |
| 62 | ||
| 63 | extern ledger_t root_wired_ledger; | |
| 64 | extern ledger_t root_paged_ledger; | |
| 65 | ||
| 66 | #define root_wired_ledger_port root_wired_ledger->ledger_self | |
| 67 | #define root_paged_ledger_port root_paged_ledger->ledger_self | |
| 68 | ||
| 9bccf70c A |
69 | extern void ledger_init(void); |
| 70 | ||
| 1c79356b A |
71 | extern ipc_port_t ledger_copy(ledger_t); |
| 72 | ||
| 73 | extern kern_return_t ledger_enter(ledger_t, ledger_item_t); | |
| 9bccf70c A |
74 | |
| 75 | #endif /* MACH_KERNEL_PRIVATE */ | |
| 76 | ||
| 77 | #endif /* __APPLE_API_PRIVATE */ | |
| 78 | ||
| 79 | extern ledger_t convert_port_to_ledger(ipc_port_t); | |
| 80 | ||
| 81 | extern ipc_port_t convert_ledger_to_port(ledger_t); | |
| 1c79356b A |
82 | |
| 83 | #endif /* _KERN_LEDGER_H_ */ |