1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_TASK_WORK_H
3 #define _LINUX_TASK_WORK_H
4 
5 #include <linux/list.h>
6 #include <linux/sched.h>
7 
8 typedef void (*task_work_func_t)(struct callback_head *);
9 
10 static inline void
init_task_work(struct callback_head * twork,task_work_func_t func)11 init_task_work(struct callback_head *twork, task_work_func_t func)
12 {
13 	twork->func = func;
14 }
15 
16 enum task_work_notify_mode {
17 	TWA_NONE,
18 	TWA_RESUME,
19 	TWA_SIGNAL,
20 };
21 
22 int task_work_add(struct task_struct *task, struct callback_head *twork,
23 			enum task_work_notify_mode mode);
24 
25 struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t);
26 void task_work_run(void);
27 
exit_task_work(struct task_struct * task)28 static inline void exit_task_work(struct task_struct *task)
29 {
30 	task_work_run();
31 }
32 
33 #endif	/* _LINUX_TASK_WORK_H */
34