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include/linux/timerqueue.h
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#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; }; |
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extern bool timerqueue_add(struct timerqueue_head *head, struct timerqueue_node *node); extern bool timerqueue_del(struct timerqueue_head *head, struct timerqueue_node *node); |
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extern struct timerqueue_node *timerqueue_iterate_next( struct timerqueue_node *node); |
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/** |
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* timerqueue_getnext - Returns the timer with the earliest expiration time |
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* * @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; } |
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static inline void timerqueue_init(struct timerqueue_node *node) { |
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RB_CLEAR_NODE(&node->node); |
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} static inline void timerqueue_init_head(struct timerqueue_head *head) { head->head = RB_ROOT; head->next = NULL; } #endif /* _LINUX_TIMERQUEUE_H */ |