Oleg Nesterov | e73f895 | 2012-05-11 10:59:07 +1000 | [diff] [blame] | 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 */ |