Mercurial > hg > nginx-quic
annotate src/core/ngx_rbtree.h @ 4293:3bae3d8fb573
Fixed handling of SIGWINCH/NOACCEPT signal.
After first upgrade it was ignored since r4020 (1.1.1, 1.0.9) as
ngx_daemonized wasn't set.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 15 Nov 2011 20:35:41 +0000 |
parents | 33c2e3c6f02c |
children | d620f497c50f |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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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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14 |
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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20 |
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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30 |
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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42 |
1686 | 43 #define ngx_rbtree_init(tree, s, i) \ |
44 ngx_rbtree_sentinel_init(s); \ | |
45 (tree)->root = s; \ | |
46 (tree)->sentinel = s; \ | |
47 (tree)->insert = i | |
48 | |
49 | |
559 | 50 void ngx_rbtree_insert(ngx_thread_volatile ngx_rbtree_t *tree, |
51 ngx_rbtree_node_t *node); | |
52 void ngx_rbtree_delete(ngx_thread_volatile ngx_rbtree_t *tree, | |
53 ngx_rbtree_node_t *node); | |
861 | 54 void ngx_rbtree_insert_value(ngx_rbtree_node_t *root, ngx_rbtree_node_t *node, |
55 ngx_rbtree_node_t *sentinel); | |
853 | 56 void ngx_rbtree_insert_timer_value(ngx_rbtree_node_t *root, |
57 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); | |
559 | 58 |
59 | |
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60 #define ngx_rbt_red(node) ((node)->color = 1) |
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61 #define ngx_rbt_black(node) ((node)->color = 0) |
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62 #define ngx_rbt_is_red(node) ((node)->color) |
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63 #define ngx_rbt_is_black(node) (!ngx_rbt_is_red(node)) |
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64 #define ngx_rbt_copy_color(n1, n2) (n1->color = n2->color) |
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65 |
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66 |
965 | 67 /* a sentinel must be black */ |
68 | |
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69 #define ngx_rbtree_sentinel_init(node) ngx_rbt_black(node) |
965 | 70 |
71 | |
559 | 72 static ngx_inline ngx_rbtree_node_t * |
73 ngx_rbtree_min(ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
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74 { |
557 | 75 while (node->left != sentinel) { |
76 node = node->left; | |
77 } | |
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557 | 79 return node; |
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80 } |
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81 |
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82 |
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83 #endif /* _NGX_RBTREE_H_INCLUDED_ */ |