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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_TIMERQUEUE_H#define _LINUX_TIMERQUEUE_H
#include <linux/rbtree.h>#include <linux/timerqueue_types.h>
bool timerqueue_add(struct timerqueue_head *head, struct timerqueue_node *node);bool timerqueue_del(struct timerqueue_head *head, struct timerqueue_node *node);struct timerqueue_node *timerqueue_iterate_next(struct timerqueue_node *node);
bool timerqueue_linked_add(struct timerqueue_linked_head *head, struct timerqueue_linked_node *node);
/** * 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){ struct rb_node *leftmost = rb_first_cached(&head->rb_root);
return rb_entry_safe(leftmost, struct timerqueue_node, node);}
static inline void timerqueue_init(struct timerqueue_node *node){ RB_CLEAR_NODE(&node->node);}
static inline bool timerqueue_node_queued(struct timerqueue_node *node){ return !RB_EMPTY_NODE(&node->node);}
static inline void timerqueue_init_head(struct timerqueue_head *head){ head->rb_root = RB_ROOT_CACHED;}
/* Timer queues with linked nodes */
static __always_inlinestruct timerqueue_linked_node *timerqueue_linked_first(struct timerqueue_linked_head *head){ return rb_entry_safe(head->rb_root.rb_leftmost, struct timerqueue_linked_node, node);}
static __always_inlinestruct timerqueue_linked_node *timerqueue_linked_next(struct timerqueue_linked_node *node){ return rb_entry_safe(node->node.next, struct timerqueue_linked_node, node);}
static __always_inlinestruct timerqueue_linked_node *timerqueue_linked_prev(struct timerqueue_linked_node *node){ return rb_entry_safe(node->node.prev, struct timerqueue_linked_node, node);}
static __always_inlinebool timerqueue_linked_del(struct timerqueue_linked_head *head, struct timerqueue_linked_node *node){ return rb_erase_linked(&node->node, &head->rb_root);}
static __always_inline void timerqueue_linked_init(struct timerqueue_linked_node *node){ RB_CLEAR_LINKED_NODE(&node->node);}
static __always_inline bool timerqueue_linked_node_queued(struct timerqueue_linked_node *node){ return !RB_EMPTY_LINKED_NODE(&node->node);}
static __always_inline void timerqueue_linked_init_head(struct timerqueue_linked_head *head){ head->rb_root = RB_ROOT_LINKED;}
#endif /* _LINUX_TIMERQUEUE_H */