xref: /linux-6.15/include/linux/task_work.h (revision 41f9d29f)
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 };
14 
15 static inline void
16 init_task_work(struct task_work *twork, task_work_func_t func)
17 {
18 	twork->func = func;
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 */
32