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50 lines
1.4 KiB
50 lines
1.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __PERF_RBLIST_H |
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#define __PERF_RBLIST_H |
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#include <linux/rbtree.h> |
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#include <stdbool.h> |
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/* |
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* create node structs of the form: |
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* struct my_node { |
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* struct rb_node rb_node; |
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* ... my data ... |
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* }; |
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* |
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* create list structs of the form: |
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* struct mylist { |
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* struct rblist rblist; |
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* ... my data ... |
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* }; |
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*/ |
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struct rblist { |
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struct rb_root_cached entries; |
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unsigned int nr_entries; |
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int (*node_cmp)(struct rb_node *rbn, const void *entry); |
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struct rb_node *(*node_new)(struct rblist *rlist, const void *new_entry); |
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void (*node_delete)(struct rblist *rblist, struct rb_node *rb_node); |
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}; |
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void rblist__init(struct rblist *rblist); |
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void rblist__exit(struct rblist *rblist); |
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void rblist__delete(struct rblist *rblist); |
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int rblist__add_node(struct rblist *rblist, const void *new_entry); |
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void rblist__remove_node(struct rblist *rblist, struct rb_node *rb_node); |
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struct rb_node *rblist__find(struct rblist *rblist, const void *entry); |
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struct rb_node *rblist__findnew(struct rblist *rblist, const void *entry); |
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struct rb_node *rblist__entry(const struct rblist *rblist, unsigned int idx); |
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static inline bool rblist__empty(const struct rblist *rblist) |
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{ |
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return rblist->nr_entries == 0; |
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} |
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static inline unsigned int rblist__nr_entries(const struct rblist *rblist) |
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{ |
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return rblist->nr_entries; |
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} |
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#endif /* __PERF_RBLIST_H */
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