| 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; |
| Oleg Nesterov | e73f895 | 2012-05-11 10:59:07 +1000 | [diff] [blame] | 13 | }; |
| 14 | |
| 15 | static inline void |
| Al Viro | 41f9d29 | 2012-06-26 22:10:04 +0400 | [diff] [blame^] | 16 | init_task_work(struct task_work *twork, task_work_func_t func) |
| Oleg Nesterov | e73f895 | 2012-05-11 10:59:07 +1000 | [diff] [blame] | 17 | { |
| 18 | twork->func = func; |
| Oleg Nesterov | e73f895 | 2012-05-11 10:59:07 +1000 | [diff] [blame] | 19 | } |
| 20 | |
| 21 | int task_work_add(struct task_struct *task, struct task_work *twork, bool); |
| 22 | struct task_work *task_work_cancel(struct task_struct *, task_work_func_t); |
| 23 | void task_work_run(void); |
| 24 | |
| 25 | static inline void exit_task_work(struct task_struct *task) |
| 26 | { |
| 27 | if (unlikely(!hlist_empty(&task->task_works))) |
| 28 | task_work_run(); |
| 29 | } |
| 30 | |
| 31 | #endif /* _LINUX_TASK_WORK_H */ |