task_work.h
/* 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 */