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_match(struct task_struct *task,
26 bool (*match)(struct callback_head *, void *data), void *data);
27 struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t);
28 void task_work_run(void);
29
exit_task_work(struct task_struct * task)30 static inline void exit_task_work(struct task_struct *task)
31 {
32 task_work_run();
33 }
34
35 #endif /* _LINUX_TASK_WORK_H */
36