ap/os/linux/linux-3.4.x/kernel/workqueue_sched.h

/*
 * kernel/workqueue_sched.h
 *
 * Scheduler hooks for concurrency managed workqueue.  Only to be
 * included from sched.c and workqueue.c.
 */
void wq_worker_running(struct task_struct *task);
void wq_worker_sleeping(struct task_struct *task);