#ifndef _I386_LOCKS_H_
#define _I386_LOCKS_H_
#include <sys/appleapiopts.h>
#include <kern/kern_types.h>
#ifdef MACH_KERNEL_PRIVATE
#include <i386/hw_lock_types.h>
extern unsigned int LcksOpts;
#define enaLkDeb 0x00000001
#define enaLkStat 0x00000002
#endif
#ifdef MACH_KERNEL_PRIVATE
typedef struct {
unsigned long interlock;
unsigned long lck_spin_pad[9];
} lck_spin_t;
#define LCK_SPIN_TAG_DESTROYED 0x00002007
#else
#ifdef KERNEL_PRIVATE
typedef struct {
unsigned long opaque[10];
} lck_spin_t;
#else
typedef struct __lck_spin_t__ lck_spin_t;
#endif
#endif
#ifdef MACH_KERNEL_PRIVATE
typedef struct _lck_mtx_ {
union {
struct {
volatile uintptr_t lck_mtxd_owner;
unsigned long lck_mtxd_ptr;
volatile uint32_t lck_mtxd_waiters:16,
lck_mtxd_pri:8,
lck_mtxd_ilocked:1,
lck_mtxd_mlocked:1,
lck_mtxd_promoted:1,
lck_mtxd_spin:1,
lck_mtxd_pad4:4;
#ifdef __x86_64__
unsigned int lck_mtxd_pad;
#endif
} lck_mtxd;
struct {
unsigned long lck_mtxi_tag;
struct _lck_mtx_ext_ *lck_mtxi_ptr;
unsigned long lck_mtxi_pad;
} lck_mtxi;
} lck_mtx_sw;
} lck_mtx_t;
#define lck_mtx_owner lck_mtx_sw.lck_mtxd.lck_mtxd_owner
#define lck_mtx_waiters lck_mtx_sw.lck_mtxd.lck_mtxd_waiters
#define lck_mtx_pri lck_mtx_sw.lck_mtxd.lck_mtxd_pri
#define lck_mtx_ilocked lck_mtx_sw.lck_mtxd.lck_mtxd_ilocked
#define lck_mtx_mlocked lck_mtx_sw.lck_mtxd.lck_mtxd_mlocked
#define lck_mtx_promoted lck_mtx_sw.lck_mtxd.lck_mtxd_promoted
#define lck_mtx_spin lck_mtx_sw.lck_mtxd.lck_mtxd_spin
#define lck_mtx_tag lck_mtx_sw.lck_mtxi.lck_mtxi_tag
#define lck_mtx_ptr lck_mtx_sw.lck_mtxi.lck_mtxi_ptr
#define lck_mtx_state lck_mtx_sw.lck_mtxi.lck_mtxi_pad
#define LCK_MTX_TAG_INDIRECT 0x00001007
#define LCK_MTX_TAG_DESTROYED 0x00002007
#define LCK_MTX_PTR_EXTENDED 0x00003007
extern unsigned int MutexSpin;
extern int lck_mtx_lock_spinwait_x86(lck_mtx_t *mutex);
extern void lck_mtx_lock_wait_x86(lck_mtx_t *mutex);
extern void lck_mtx_lock_acquire_x86(lck_mtx_t *mutex);
extern void lck_mtx_unlock_wakeup_x86(lck_mtx_t *mutex, int owner_was_promoted);
extern void lck_mtx_lock_mark_destroyed(lck_mtx_t *mutex);
extern int lck_mtx_lock_mark_promoted(lck_mtx_t *mutex);
extern int lck_mtx_lock_decr_waiter(lck_mtx_t *mutex);
extern int lck_mtx_lock_grab_mutex(lck_mtx_t *mutex);
extern integer_t lck_mtx_lock_get_pri(lck_mtx_t *mutex);
extern void hw_lock_byte_init(uint8_t *lock_byte);
extern void hw_lock_byte_lock(uint8_t *lock_byte);
extern void hw_lock_byte_unlock(uint8_t *lock_byte);
typedef struct {
unsigned int type;
#ifdef __x86_64__
unsigned int pad4;
#endif
vm_offset_t pc;
vm_offset_t thread;
} lck_mtx_deb_t;
#define MUTEX_TAG 0x4d4d
typedef struct {
unsigned int lck_mtx_stat_data;
} lck_mtx_stat_t;
typedef struct _lck_mtx_ext_ {
lck_mtx_t lck_mtx;
struct _lck_grp_ *lck_mtx_grp;
unsigned int lck_mtx_attr;
#ifdef __x86_64__
unsigned int lck_mtx_pad1;
#endif
lck_mtx_deb_t lck_mtx_deb;
uint64_t lck_mtx_stat;
#ifdef __x86_64__
unsigned int lck_mtx_pad2[2];
#endif
} lck_mtx_ext_t;
#define LCK_MTX_ATTR_DEBUG 0x1
#define LCK_MTX_ATTR_DEBUGb 0
#define LCK_MTX_ATTR_STAT 0x2
#define LCK_MTX_ATTR_STATb 1
#else
#ifdef KERNEL_PRIVATE
typedef struct {
unsigned long opaque[3];
} lck_mtx_t;
typedef struct {
unsigned long opaque[10];
} lck_mtx_ext_t;
#else
typedef struct __lck_mtx_t__ lck_mtx_t;
typedef struct __lck_mtx_ext_t__ lck_mtx_ext_t;
#endif
#endif
#ifdef MACH_KERNEL_PRIVATE
#pragma pack(1)
typedef struct _lck_rw_t_internal_ {
volatile uint16_t lck_rw_shared_count;
uint8_t lck_rw_interlock;
volatile uint8_t
lck_rw_priv_excl:1,
lck_rw_want_upgrade:1,
lck_rw_want_write:1,
lck_r_waiting:1,
lck_w_waiting:1,
lck_rw_can_sleep:1,
lck_rw_padb6:2;
uint32_t lck_rw_tag;
uint32_t lck_rw_pad8;
#ifdef __x86_64__
uint32_t lck_rw_pad12;
#endif
} lck_rw_t;
#pragma pack()
#define LCK_RW_ATTR_DEBUG 0x1
#define LCK_RW_ATTR_DEBUGb 0
#define LCK_RW_ATTR_STAT 0x2
#define LCK_RW_ATTR_STATb 1
#define LCK_RW_ATTR_READ_PRI 0x3
#define LCK_RW_ATTR_READ_PRIb 2
#define LCK_RW_ATTR_DIS_THREAD 0x40000000
#define LCK_RW_ATTR_DIS_THREADb 30
#define LCK_RW_ATTR_DIS_MYLOCK 0x10000000
#define LCK_RW_ATTR_DIS_MYLOCKb 28
#define LCK_RW_TAG_DESTROYED 0x00002007
#else
#ifdef KERNEL_PRIVATE
#pragma pack(1)
typedef struct {
uint32_t opaque[3];
#ifdef __x86_64__
uint32_t opaque4;
#endif
} lck_rw_t;
#pragma pack()
#else
typedef struct __lck_rw_t__ lck_rw_t;
#endif
#endif
#endif