-struct workitemlist {
- TAILQ_HEAD(, workitem) wl_itemlist;
- TAILQ_HEAD(, workitem) wl_freelist;
-};
-
-struct workqueue {
- struct workitem wq_array[WORKITEM_SIZE * WORKQUEUE_NUMPRIOS];
- proc_t wq_proc;
- vm_map_t wq_map;
- task_t wq_task;
- thread_call_t wq_atimer_call;
- int wq_flags;
- int wq_lflags;
- int wq_itemcount;
- uint64_t wq_thread_yielded_timestamp;
- uint32_t wq_thread_yielded_count;
- uint32_t wq_timer_interval;
- uint32_t wq_affinity_max;
- uint32_t wq_threads_scheduled;
- uint32_t wq_nthreads;
- uint32_t wq_thidlecount;
- uint32_t wq_reqconc[WORKQUEUE_NUMPRIOS]; /* requested concurrency for each priority level */
- struct workitemlist wq_list[WORKQUEUE_NUMPRIOS]; /* priority based item list */
- uint32_t wq_list_bitmap;
- TAILQ_HEAD(, threadlist) wq_thrunlist;
- TAILQ_HEAD(, threadlist) wq_thidlelist;
- uint32_t *wq_thactive_count[WORKQUEUE_NUMPRIOS];
- uint32_t *wq_thscheduled_count[WORKQUEUE_NUMPRIOS];
- uint64_t *wq_lastblocked_ts[WORKQUEUE_NUMPRIOS];
-};
-#define WQ_LIST_INITED 0x01
-#define WQ_ATIMER_RUNNING 0x02
-#define WQ_EXITING 0x04
-
-#define WQL_ATIMER_BUSY 0x01
-#define WQL_ATIMER_WAITING 0x02
-
-
-#define WQ_VECT_SET_BIT(vector, bit) \
- vector[(bit) / 32] |= (1 << ((bit) % 32))
-
-#define WQ_VECT_CLEAR_BIT(vector, bit) \
- vector[(bit) / 32] &= ~(1 << ((bit) % 32))
-
-#define WQ_VECT_TEST_BIT(vector, bit) \
- vector[(bit) / 32] & (1 << ((bit) % 32))
-
-
-#define WORKQUEUE_MAXTHREADS 512
-#define WQ_YIELDED_THRESHOLD 2000
-#define WQ_YIELDED_WINDOW_USECS 30000
-#define WQ_STALLED_WINDOW_USECS 200
-#define WQ_REDUCE_POOL_WINDOW_USECS 5000000
-#define WQ_MAX_TIMER_INTERVAL_USECS 50000
-
-/* workq_kernreturn commands */
-#define WQOPS_QUEUE_ADD 1
-#define WQOPS_QUEUE_REMOVE 2
-#define WQOPS_THREAD_RETURN 4
-#define WQOPS_THREAD_SETCONC 8
-
-#define PTH_DEFAULT_STACKSIZE 512*1024
-#define PTH_DEFAULT_GUARDSIZE 4*1024
-#define MAX_PTHREAD_SIZE 64*1024
-