Linux kernel mirror (for testing)
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linux
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
8typedef void (*task_work_func_t)(struct callback_head *);
9
10static inline void
11init_task_work(struct callback_head *twork, task_work_func_t func)
12{
13 twork->func = func;
14}
15
16enum task_work_notify_mode {
17 TWA_NONE,
18 TWA_RESUME,
19 TWA_SIGNAL,
20};
21
22static inline bool task_work_pending(struct task_struct *task)
23{
24 return READ_ONCE(task->task_works);
25}
26
27int task_work_add(struct task_struct *task, struct callback_head *twork,
28 enum task_work_notify_mode mode);
29
30struct callback_head *task_work_cancel_match(struct task_struct *task,
31 bool (*match)(struct callback_head *, void *data), void *data);
32struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t);
33void task_work_run(void);
34
35static inline void exit_task_work(struct task_struct *task)
36{
37 task_work_run();
38}
39
40#endif /* _LINUX_TASK_WORK_H */