include/linux/timerlist.h

   1 #ifndef _LINUX_TIMERLIST_H
   2 #define _LINUX_TIMERLIST_H
   3
   4 #include <linux/rbtree.h>
   5 #include <linux/ktime.h>
   6
   7
   8 struct timerlist_node {
   9         struct rb_node node;
  10         ktime_t expires;
  11 };
  12
  13 struct timerlist_head {
  14         struct rb_root head;
  15         struct timerlist_node *next;
  16 };
  17
  18
  19 extern void timerlist_add(struct timerlist_head *head,
  20                                 struct timerlist_node *node);
  21 extern void timerlist_del(struct timerlist_head *head,
  22                                 struct timerlist_node *node);
  23 extern struct timerlist_node *timerlist_getnext(struct timerlist_head *head);
  24 extern struct timerlist_node *timerlist_iterate_next(
  25                                                 struct timerlist_node *node);
  26
  27 static inline void timerlist_init(struct timerlist_node *node)
  28 {
  29         RB_CLEAR_NODE(&node->node);
  30 }
  31
  32 static inline void timerlist_init_head(struct timerlist_head *head)
  33 {
  34         head->head = RB_ROOT;
  35         head->next = NULL;
  36 }
  37 #endif /* _LINUX_TIMERLIST_H */