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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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2 | #ifndef _LINUX_TASK_WORK_H |
3 | #define _LINUX_TASK_WORK_H | |
4 | ||
5 | #include <linux/list.h> | |
6 | #include <linux/sched.h> | |
7 | ||
67d12145 | 8 | typedef void (*task_work_func_t)(struct callback_head *); |
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9 | |
10 | static inline void | |
67d12145 | 11 | init_task_work(struct callback_head *twork, task_work_func_t func) |
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12 | { |
13 | twork->func = func; | |
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14 | } |
15 | ||
91989c70 JA |
16 | enum task_work_notify_mode { |
17 | TWA_NONE, | |
18 | TWA_RESUME, | |
19 | TWA_SIGNAL, | |
e788be95 | 20 | TWA_SIGNAL_NO_IPI, |
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21 | }; |
22 | ||
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23 | static inline bool task_work_pending(struct task_struct *task) |
24 | { | |
25 | return READ_ONCE(task->task_works); | |
26 | } | |
27 | ||
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28 | int task_work_add(struct task_struct *task, struct callback_head *twork, |
29 | enum task_work_notify_mode mode); | |
e91b4816 | 30 | |
c7aab1a7 JA |
31 | struct callback_head *task_work_cancel_match(struct task_struct *task, |
32 | bool (*match)(struct callback_head *, void *data), void *data); | |
67d12145 | 33 | struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t); |
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34 | void task_work_run(void); |
35 | ||
36 | static inline void exit_task_work(struct task_struct *task) | |
37 | { | |
9da33de6 | 38 | task_work_run(); |
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39 | } |
40 | ||
41 | #endif /* _LINUX_TASK_WORK_H */ |