+#define TH_FLAGS_SWAPPED 0x1 /* thread is swapped out */
+#define TH_FLAGS_IDLE 0x2 /* thread is an idle thread */
+#define TH_FLAGS_GLOBAL_FORCED_IDLE 0x4 /* thread performs global forced idle */
+
+/*
+ * Thread extended info (returns same info as proc_pidinfo(...,PROC_PIDTHREADINFO,...)
+ */
+#define THREAD_EXTENDED_INFO 5
+#define MAXTHREADNAMESIZE 64
+struct thread_extended_info { // same as proc_threadinfo (from proc_info.h) & proc_threadinfo_internal (from bsd_taskinfo.h)
+ uint64_t pth_user_time; /* user run time */
+ uint64_t pth_system_time; /* system run time */
+ int32_t pth_cpu_usage; /* scaled cpu usage percentage */
+ int32_t pth_policy; /* scheduling policy in effect */
+ int32_t pth_run_state; /* run state (see below) */
+ int32_t pth_flags; /* various flags (see below) */
+ int32_t pth_sleep_time; /* number of seconds that thread */
+ int32_t pth_curpri; /* cur priority*/
+ int32_t pth_priority; /* priority*/
+ int32_t pth_maxpriority; /* max priority*/
+ char pth_name[MAXTHREADNAMESIZE]; /* thread name, if any */
+};
+typedef struct thread_extended_info thread_extended_info_data_t;
+typedef struct thread_extended_info * thread_extended_info_t;
+#define THREAD_EXTENDED_INFO_COUNT ((mach_msg_type_number_t) \
+ (sizeof(thread_extended_info_data_t) / sizeof (natural_t)))
+
+#define THREAD_DEBUG_INFO_INTERNAL 6 /* for kernel development internal info */
+
+#if PRIVATE
+struct thread_debug_info_internal {
+ uint64_t page_creation_count;
+};
+
+typedef struct thread_debug_info_internal *thread_debug_info_internal_t;
+typedef struct thread_debug_info_internal thread_debug_info_internal_data_t;
+
+#define THREAD_DEBUG_INFO_INTERNAL_COUNT ((mach_msg_type_number_t) \
+ (sizeof (thread_debug_info_internal_data_t) / sizeof (natural_t)))
+
+#endif /* PRIVATE */
+
+#define IO_NUM_PRIORITIES 4
+
+#define UPDATE_IO_STATS(info, size) \
+{ \
+ info.count++; \
+ info.size += size; \
+}
+
+#define UPDATE_IO_STATS_ATOMIC(info, io_size) \
+{ \
+ OSIncrementAtomic64((SInt64 *)&(info.count)); \
+ OSAddAtomic64(io_size, (SInt64 *)&(info.size)); \
+}
+
+struct io_stat_entry {
+ uint64_t count;
+ uint64_t size;
+};
+
+struct io_stat_info {
+ struct io_stat_entry disk_reads;
+ struct io_stat_entry io_priority[IO_NUM_PRIORITIES];
+ struct io_stat_entry paging;
+ struct io_stat_entry metadata;
+ struct io_stat_entry total_io;
+};
+
+typedef struct io_stat_info *io_stat_info_t;
+
+#if KERNEL_PRIVATE
+__BEGIN_DECLS
+void thread_group_join_io_storage(void);
+__END_DECLS
+#endif