Mercurial > hg > nginx

annotate src/core/ngx_hunk.h @ 167:8aef3c72e5da

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-10-30-19:51:33 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 30 Oct 2003 16:51:33 +0000
parents 389d7ee9fa60
children c42be4185301
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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7ebc8b7fb816 nginx-0.0.1-2003-06-03-19:42:58 import
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1 #ifndef _NGX_HUNK_H_INCLUDED_
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2 #define _NGX_HUNK_H_INCLUDED_
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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5 #include <ngx_config.h>
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6 #include <ngx_core.h>
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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9 /* hunk type */
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11 /* the hunk is in memory */
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12 #define NGX_HUNK_IN_MEMORY 0x0001
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13 /* the hunk's content can be changed */
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14 #define NGX_HUNK_TEMP 0x0002
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15 /* the hunk's content is in cache and can not be changed */
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869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
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16 #define NGX_HUNK_MEMORY 0x0004
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5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
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17 /* the hunk's content is mmap()ed and can not be changed */
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869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
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18 #define NGX_HUNK_MMAP 0x0008
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19
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20 #define NGX_HUNK_RECYCLED 0x0010
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22 /* the hunk is in file */
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23 #define NGX_HUNK_FILE 0x0100
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25 #define NGX_HUNK_STORAGE (NGX_HUNK_IN_MEMORY \
a490ad05164d nginx-0.0.1-2003-08-11-20:03:06 import
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26 |NGX_HUNK_TEMP|NGX_HUNK_MEMORY|NGX_HUNK_MMAP \
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7a886b9a67dc nginx-0.0.1-2003-08-10-20:14:37 import
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27 |NGX_HUNK_RECYCLED|NGX_HUNK_FILE)
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29 /* hunk flags */
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31 /* in thread state flush means to write the hunk completely before return */
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32 /* in event state flush means to start to write the hunk */
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33 #define NGX_HUNK_FLUSH 0x1000
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34 /* last hunk */
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35 #define NGX_HUNK_LAST 0x2000
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
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36 #define NGX_HUNK_LAST_SHADOW 0x4000
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37 #define NGX_HUNK_TEMP_FILE 0x8000
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eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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40 typedef void * ngx_hunk_tag_t;
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7ebc8b7fb816 nginx-0.0.1-2003-06-03-19:42:58 import
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42 typedef struct ngx_hunk_s ngx_hunk_t;
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43
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44 struct ngx_hunk_s {
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eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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45 char *pos;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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46 char *last;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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47 off_t file_pos;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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parents: 148
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48 off_t file_last;
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49
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50 int type;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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51 char *start; /* start of hunk */
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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52 char *end; /* end of hunk */
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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53 ngx_hunk_tag_t tag;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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54 ngx_file_t *file;
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55 ngx_hunk_t *shadow;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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56 /* STUB */ int num;
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57 };
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60 typedef struct ngx_chain_s ngx_chain_t;
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62 struct ngx_chain_s {
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63 ngx_hunk_t *hunk;
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64 ngx_chain_t *next;
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65 };
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68 typedef struct {
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69 int num;
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70 size_t size;
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71 } ngx_bufs_t;
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74 typedef int (*ngx_output_chain_filter_pt)(void *ctx, ngx_chain_t *out);
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76 typedef struct {
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77 ngx_hunk_t *hunk;
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78 ngx_chain_t *in;
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79 ngx_chain_t *free;
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80 ngx_chain_t *busy;
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81
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82 unsigned sendfile;
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83 unsigned need_in_memory;
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84 unsigned need_in_temp;
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85
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86 ngx_pool_t *pool;
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87 int hunks;
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88 ngx_bufs_t bufs;
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89 ngx_hunk_tag_t tag;
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90
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91 ngx_output_chain_filter_pt output_filter;
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92 void *output_ctx;
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93 } ngx_output_chain_ctx_t;
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96 typedef struct {
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97 ngx_chain_t *out;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
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98 ngx_chain_t **last;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
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99 ngx_connection_t *connection;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
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100 ngx_pool_t *pool;
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101 } ngx_chain_writer_ctx_t;
162
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102
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103
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104 #define NGX_CHAIN_ERROR (ngx_chain_t *) NGX_ERROR
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105
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106
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107 #define ngx_hunk_in_memory_only(h) \
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
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108 ((h->type & (NGX_HUNK_IN_MEMORY|NGX_HUNK_FILE)) == NGX_HUNK_IN_MEMORY)
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109 /*
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110 ((h->type & (NGX_HUNK_TEMP|NGX_HUNK_MEMORY|NGX_HUNK_MMAP|NGX_HUNK_FILE)) \
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
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111 == (h->type & (NGX_HUNK_TEMP|NGX_HUNK_MEMORY|NGX_HUNK_MMAP)))
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112
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113 */
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114
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115 #define ngx_hunk_special(h) \
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Igor Sysoev <igor@sysoev.ru>
parents: 141
diff changeset
116 (h->type == (h->type & (NGX_HUNK_FLUSH|NGX_HUNK_LAST)))
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 61
diff changeset
117
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 61
diff changeset
118
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
119 #define ngx_hunk_size(h) \
167
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
120 ((h->type & NGX_HUNK_IN_MEMORY) ? (size_t) (h->last - h->pos): \
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
121 (size_t) (h->file_last - h->file_pos))
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
122
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
123
166
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 162
diff changeset
124 ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size);
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
diff changeset
125
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 74
diff changeset
126 #define ngx_alloc_hunk(pool) ngx_palloc(pool, sizeof(ngx_hunk_t))
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
127 #define ngx_calloc_hunk(pool) ngx_pcalloc(pool, sizeof(ngx_hunk_t))
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 74
diff changeset
128
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
129
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
130 #define ngx_alloc_chain_link(pool) ngx_palloc(pool, sizeof(ngx_chain_t))
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
131
7
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
132
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
133 #define ngx_alloc_link_and_set_hunk(chain, h, pool, error) \
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
134 do { \
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
135 ngx_test_null(chain, ngx_alloc_chain_link(pool), error); \
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
136 chain->hunk = h; \
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
137 chain->next = NULL; \
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
138 } while (0);
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
139
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
140
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
141 #define ngx_chain_add_link(chain, last, cl) \
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
142 if (chain) { \
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
143 *last = cl; \
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
144 } else { \
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
145 chain = cl; \
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
146 } \
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
147 last = &cl->next
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
148
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
149
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
150 int ngx_output_chain(ngx_output_chain_ctx_t *ctx, ngx_chain_t *in);
166
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 162
diff changeset
151 int ngx_chain_writer(void *data, ngx_chain_t *in);
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
152
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
153 int ngx_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **chain, ngx_chain_t *in);
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 130
diff changeset
154 void ngx_chain_update_chains(ngx_chain_t **free, ngx_chain_t **busy,
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
155 ngx_chain_t **out, ngx_hunk_tag_t tag);
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 130
diff changeset
156
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 130
diff changeset
157
100
7ebc8b7fb816 nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 99
diff changeset
158 #endif /* _NGX_HUNK_H_INCLUDED_ */