#ifndef _LINUX_TIMERQUEUE_H
#define _LINUX_TIMERQUEUE_H
#include <linux/rbtree.h>
#include <linux/ktime.h>
struct timerqueue_node {
struct rb_node node;
ktime_t expires;
};
struct timerqueue_head {
struct rb_root head;
struct timerqueue_node *next;
extern void timerqueue_add(struct timerqueue_head *head,
struct timerqueue_node *node);
extern void timerqueue_del(struct timerqueue_head *head,
extern struct timerqueue_node *timerqueue_iterate_next(
/**
* timerqueue_getnext - Returns the timer with the earliest expiration time
*
* @head: head of timerqueue
* Returns a pointer to the timer node that has the
* earliest expiration time.
*/
static inline
struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head)
{
return head->next;
}
static inline void timerqueue_init(struct timerqueue_node *node)
rb_init_node(&node->node);
static inline void timerqueue_init_head(struct timerqueue_head *head)
head->head = RB_ROOT;
head->next = NULL;
#endif /* _LINUX_TIMERQUEUE_H */