/* * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ #ifdef MACH_KERNEL_PRIVATE #ifndef _KERN_LEDGER_H_ #define _KERN_LEDGER_H_ #include <mach/mach_types.h> #include <kern/kern_types.h> #include <kern/lock.h> #include <ipc/ipc_types.h> struct ledger { ipc_port_t ledger_self; ipc_port_t ledger_service_port; ledger_item_t ledger_balance; ledger_item_t ledger_limit; struct ledger *ledger_ledger; struct ledger *ledger_parent; decl_simple_lock_data(,lock) }; typedef struct ledger ledger_data_t; #define ledger_lock(ledger) simple_lock(&(ledger)->lock) #define ledger_unlock(ledger) simple_unlock(&(ledger)->lock) #define ledger_lock_init(ledger) \ simple_lock_init(&(ledger)->lock, 0) extern ledger_t root_wired_ledger; extern ledger_t root_paged_ledger; #define root_wired_ledger_port root_wired_ledger->ledger_self #define root_paged_ledger_port root_paged_ledger->ledger_self extern void ledger_init(void) __attribute__((section("__TEXT, initcode"))); extern ipc_port_t ledger_copy(ledger_t); extern kern_return_t ledger_enter(ledger_t, ledger_item_t); extern ledger_t convert_port_to_ledger(ipc_port_t); extern ipc_port_t convert_ledger_to_port(ledger_t); #endif /* _KERN_LEDGER_H_ */ #endif /* MACH_KERNEL_PRIVATE */