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Annotation of XNU/osfmk/kern/ledger.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * @OSF_COPYRIGHT@
        !            24:  */
        !            25: #ifndef _KERN_LEDGER_H_
        !            26: #define _KERN_LEDGER_H_
        !            27: 
        !            28: #include <kern/lock.h>
        !            29: #include <ipc/ipc_port.h>
        !            30: #include <mach/mach_types.h>
        !            31: 
        !            32: #define LEDGER_ITEM_INFINITY   (~0)
        !            33: 
        !            34: struct ledger {
        !            35:         ipc_port_t     ledger_self;
        !            36:         ipc_port_t     ledger_service_port;
        !            37:         ledger_item_t  ledger_balance;
        !            38:         ledger_item_t  ledger_limit;
        !            39:         struct ledger  *ledger_ledger;
        !            40:         struct ledger  *ledger_parent;
        !            41:        decl_simple_lock_data(,lock)
        !            42: };
        !            43: 
        !            44: typedef struct ledger ledger_data_t;
        !            45: 
        !            46: #define LEDGER_NULL ((ledger_t)0)
        !            47: 
        !            48: #define ledger_lock(ledger)    simple_lock(&(ledger)->lock)
        !            49: #define ledger_unlock(ledger)  simple_unlock(&(ledger)->lock)
        !            50: #define        ledger_lock_init(ledger) \
        !            51:        simple_lock_init(&(ledger)->lock, ETAP_MISC_LEDGER)
        !            52: 
        !            53: extern ledger_t        root_wired_ledger;
        !            54: extern ledger_t        root_paged_ledger;
        !            55: 
        !            56: #define root_wired_ledger_port root_wired_ledger->ledger_self
        !            57: #define root_paged_ledger_port root_paged_ledger->ledger_self
        !            58: 
        !            59: extern ipc_port_t convert_ledger_to_port(ledger_t);
        !            60: extern ipc_port_t ledger_copy(ledger_t);
        !            61: 
        !            62: extern kern_return_t ledger_enter(ledger_t, ledger_item_t);
        !            63: extern void ledger_init(void);
        !            64: 
        !            65: #endif /* _KERN_LEDGER_H_ */

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