include/linux/task_work.h

   1 #ifndef _LINUX_TASK_WORK_H
   2 #define _LINUX_TASK_WORK_H
   3
   4 #include <linux/list.h>
   5 #include <linux/sched.h>
   6
   7 struct task_work;
   8 typedef void (*task_work_func_t)(struct task_work *);
   9
  10 struct task_work {
  11         struct hlist_node hlist;
  12         task_work_func_t func;
  13         void *data;
  14 };
  15
  16 static inline void
  17 init_task_work(struct task_work *twork, task_work_func_t func, void *data)
  18 {
  19         twork->func = func;
  20         twork->data = data;
  21 }
  22
  23 int task_work_add(struct task_struct *task, struct task_work *twork, bool);
  24 struct task_work *task_work_cancel(struct task_struct *, task_work_func_t);
  25 void task_work_run(void);
  26
  27 static inline void exit_task_work(struct task_struct *task)
  28 {
  29         if (unlikely(!hlist_empty(&task->task_works)))
  30                 task_work_run();
  31 }
  32
  33 #endif  /* _LINUX_TASK_WORK_H */