#ifndef _KERN_LEDGER_H_
#define _KERN_LEDGER_H_
#include <mach/mach_types.h>
#include <ipc/ipc_port.h>
#include <sys/appleapiopts.h>
#ifdef __APPLE_API_PRIVATE
#ifdef MACH_KERNEL_PRIVATE
#include <kern/lock.h>
#include <mach/etap_events.h>
#define LEDGER_ITEM_INFINITY (~0)
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, ETAP_MISC_LEDGER)
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);
extern ipc_port_t ledger_copy(ledger_t);
extern kern_return_t ledger_enter(ledger_t, ledger_item_t);
#endif
#endif
extern ledger_t convert_port_to_ledger(ipc_port_t);
extern ipc_port_t convert_ledger_to_port(ledger_t);
#endif