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annotate src/core/ngx_rbtree.h @ 927:4f3d57408877
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author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 14 Dec 2006 23:22:34 +0000 |
parents | 4924b71d77f6 |
children | 2e3754f37606 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #ifndef _NGX_RBTREE_H_INCLUDED_ |
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8 #define _NGX_RBTREE_H_INCLUDED_ |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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557 | 15 typedef ngx_uint_t ngx_rbtree_key_t; |
16 typedef ngx_int_t ngx_rbtree_key_int_t; | |
17 | |
18 | |
559 | 19 typedef struct ngx_rbtree_node_s ngx_rbtree_node_t; |
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559 | 21 struct ngx_rbtree_node_s { |
22 ngx_rbtree_key_t key; | |
23 ngx_rbtree_node_t *left; | |
24 ngx_rbtree_node_t *right; | |
25 ngx_rbtree_node_t *parent; | |
853 | 26 u_char color; |
27 u_char data; | |
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28 }; |
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559 | 31 typedef struct ngx_rbtree_s ngx_rbtree_t; |
32 | |
853 | 33 typedef void (*ngx_rbtree_insert_pt) (ngx_rbtree_node_t *root, |
559 | 34 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); |
35 | |
36 struct ngx_rbtree_s { | |
37 ngx_rbtree_node_t *root; | |
38 ngx_rbtree_node_t *sentinel; | |
853 | 39 ngx_rbtree_insert_pt insert; |
559 | 40 }; |
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41 |
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559 | 43 void ngx_rbtree_insert(ngx_thread_volatile ngx_rbtree_t *tree, |
44 ngx_rbtree_node_t *node); | |
45 void ngx_rbtree_delete(ngx_thread_volatile ngx_rbtree_t *tree, | |
46 ngx_rbtree_node_t *node); | |
861 | 47 void ngx_rbtree_insert_value(ngx_rbtree_node_t *root, ngx_rbtree_node_t *node, |
48 ngx_rbtree_node_t *sentinel); | |
853 | 49 void ngx_rbtree_insert_timer_value(ngx_rbtree_node_t *root, |
50 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); | |
559 | 51 |
52 | |
53 static ngx_inline ngx_rbtree_node_t * | |
54 ngx_rbtree_min(ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
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55 { |
557 | 56 while (node->left != sentinel) { |
57 node = node->left; | |
58 } | |
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557 | 60 return node; |
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61 } |
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64 #endif /* _NGX_RBTREE_H_INCLUDED_ */ |