diff options
Diffstat (limited to 'include/linux/task_work.h')
| -rw-r--r-- | include/linux/task_work.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/include/linux/task_work.h b/include/linux/task_work.h index 0fb93aafa478..0646804860ff 100644 --- a/include/linux/task_work.h +++ b/include/linux/task_work.h @@ -13,11 +13,26 @@ init_task_work(struct callback_head *twork, task_work_func_t func) twork->func = func; } -#define TWA_RESUME 1 -#define TWA_SIGNAL 2 -int task_work_add(struct task_struct *task, struct callback_head *twork, int); +enum task_work_notify_mode { + TWA_NONE = 0, + TWA_RESUME, + TWA_SIGNAL, + TWA_SIGNAL_NO_IPI, + TWA_NMI_CURRENT, +}; -struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t); +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_func(struct task_struct *, task_work_func_t); +bool task_work_cancel(struct task_struct *task, struct callback_head *cb); void task_work_run(void); static inline void exit_task_work(struct task_struct *task) |