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-rw-r--r--include/linux/hrtimer.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 93830158348..b2093928761 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -58,6 +58,19 @@ struct hrtimer {
};
/**
+ * struct hrtimer_sleeper - simple sleeper structure
+ *
+ * @timer: embedded timer structure
+ * @task: task to wake up
+ *
+ * task is set to NULL, when the timer expires.
+ */
+struct hrtimer_sleeper {
+ struct hrtimer timer;
+ struct task_struct *task;
+};
+
+/**
* struct hrtimer_base - the timer base for a specific clock
*
* @index: clock type index for per_cpu support when moving a timer
@@ -127,6 +140,9 @@ extern long hrtimer_nanosleep(struct timespec *rqtp,
const enum hrtimer_mode mode,
const clockid_t clockid);
+extern void hrtimer_init_sleeper(struct hrtimer_sleeper *sl,
+ struct task_struct *tsk);
+
/* Soft interrupt function to run the hrtimer queues: */
extern void hrtimer_run_queues(void);