timerqueue.h

Go to the documentation of this file.

#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,
                struct timerqueue_node *node);
extern struct timerqueue_node *timerqueue_iterate_next(
                        struct timerqueue_node *node);

static inline
struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head)
{
    return head->next;
}

static inline void timerqueue_init(struct timerqueue_node *node)
{
    RB_CLEAR_NODE(&node->node);
}

static inline void timerqueue_init_head(struct timerqueue_head *head)
{
    head->head = RB_ROOT;
    head->next = NULL;
}
#endif /* _LINUX_TIMERQUEUE_H */