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 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 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