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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _LINUX_TASK_WORK_H
- #define _LINUX_TASK_WORK_H
- #include <linux/list.h>
- #include <linux/sched.h>
- typedef void (*task_work_func_t)(struct callback_head *);
- static inline void
- init_task_work(struct callback_head *twork, task_work_func_t func)
- {
- twork->func = func;
- }
- enum task_work_notify_mode {
- TWA_NONE,
- TWA_RESUME,
- TWA_SIGNAL,
- TWA_SIGNAL_NO_IPI,
- };
- static inline bool task_work_pending(struct task_struct *task)
- {
- return READ_ONCE(task->task_works);
- }
- int task_work_add(struct task_struct *task, struct callback_head *twork,
- enum task_work_notify_mode mode);
- struct callback_head *task_work_cancel_match(struct task_struct *task,
- bool (*match)(struct callback_head *, void *data), void *data);
- struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t);
- void task_work_run(void);
- static inline void exit_task_work(struct task_struct *task)
- {
- task_work_run();
- }
- #endif /* _LINUX_TASK_WORK_H */
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