Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
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 = 0,
18 TWA_RESUME,
19 TWA_SIGNAL,
20 TWA_SIGNAL_NO_IPI,
21 TWA_NMI_CURRENT,
22
23 TWA_FLAGS = 0xff00,
24 TWAF_NO_ALLOC = 0x0100,
25};
26
27static inline bool task_work_pending(struct task_struct *task)
28{
29 return READ_ONCE(task->task_works);
30}
31
32int task_work_add(struct task_struct *task, struct callback_head *twork,
33 enum task_work_notify_mode mode);
34
35struct callback_head *task_work_cancel_match(struct task_struct *task,
36 bool (*match)(struct callback_head *, void *data), void *data);
37struct callback_head *task_work_cancel_func(struct task_struct *, task_work_func_t);
38bool task_work_cancel(struct task_struct *task, struct callback_head *cb);
39void task_work_run(void);
40
41static inline void exit_task_work(struct task_struct *task)
42{
43 task_work_run();
44}
45
46#endif /* _LINUX_TASK_WORK_H */