Mercurial > hg > nginx-quic
annotate src/core/ngx_rbtree.h @ 5914:4dd67e5d958e
Refactored ngx_solaris_sendfilev_chain().
Though ngx_solaris_sendfilev_chain() shouldn't suffer from the problem mentioned
in d1bde5c3c5d2 since currently IOV_MAX on Solaris is 16, but this follows the
change from 3d5717550371 in order to make the code look similar to other systems
and potentially eliminates the problem in the future.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Wed, 19 Nov 2014 21:17:11 +0300 |
parents | 1f513d7f1b45 |
children | e0cc454aafe4 |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #ifndef _NGX_RBTREE_H_INCLUDED_ |
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9 #define _NGX_RBTREE_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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15 |
557 | 16 typedef ngx_uint_t ngx_rbtree_key_t; |
17 typedef ngx_int_t ngx_rbtree_key_int_t; | |
18 | |
19 | |
559 | 20 typedef struct ngx_rbtree_node_s ngx_rbtree_node_t; |
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21 |
559 | 22 struct ngx_rbtree_node_s { |
23 ngx_rbtree_key_t key; | |
24 ngx_rbtree_node_t *left; | |
25 ngx_rbtree_node_t *right; | |
26 ngx_rbtree_node_t *parent; | |
853 | 27 u_char color; |
28 u_char data; | |
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29 }; |
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31 |
559 | 32 typedef struct ngx_rbtree_s ngx_rbtree_t; |
33 | |
853 | 34 typedef void (*ngx_rbtree_insert_pt) (ngx_rbtree_node_t *root, |
559 | 35 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); |
36 | |
37 struct ngx_rbtree_s { | |
38 ngx_rbtree_node_t *root; | |
39 ngx_rbtree_node_t *sentinel; | |
853 | 40 ngx_rbtree_insert_pt insert; |
559 | 41 }; |
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42 |
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43 |
1686 | 44 #define ngx_rbtree_init(tree, s, i) \ |
45 ngx_rbtree_sentinel_init(s); \ | |
46 (tree)->root = s; \ | |
47 (tree)->sentinel = s; \ | |
48 (tree)->insert = i | |
49 | |
50 | |
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51 void ngx_rbtree_insert(ngx_rbtree_t *tree, ngx_rbtree_node_t *node); |
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52 void ngx_rbtree_delete(ngx_rbtree_t *tree, ngx_rbtree_node_t *node); |
861 | 53 void ngx_rbtree_insert_value(ngx_rbtree_node_t *root, ngx_rbtree_node_t *node, |
54 ngx_rbtree_node_t *sentinel); | |
853 | 55 void ngx_rbtree_insert_timer_value(ngx_rbtree_node_t *root, |
56 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); | |
559 | 57 |
58 | |
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59 #define ngx_rbt_red(node) ((node)->color = 1) |
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60 #define ngx_rbt_black(node) ((node)->color = 0) |
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61 #define ngx_rbt_is_red(node) ((node)->color) |
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62 #define ngx_rbt_is_black(node) (!ngx_rbt_is_red(node)) |
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63 #define ngx_rbt_copy_color(n1, n2) (n1->color = n2->color) |
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64 |
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65 |
965 | 66 /* a sentinel must be black */ |
67 | |
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68 #define ngx_rbtree_sentinel_init(node) ngx_rbt_black(node) |
965 | 69 |
70 | |
559 | 71 static ngx_inline ngx_rbtree_node_t * |
72 ngx_rbtree_min(ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
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73 { |
557 | 74 while (node->left != sentinel) { |
75 node = node->left; | |
76 } | |
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557 | 78 return node; |
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79 } |
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80 |
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81 |
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82 #endif /* _NGX_RBTREE_H_INCLUDED_ */ |