Mercurial > hg > nginx-quic
annotate src/core/ngx_buf.c @ 7247:b329c0ab1a48
Configure: restored "no-threads" in OpenSSL builds.
This was previously used, but was incorrectly removed in 83d54192e97b
while removing old threads remnants. Instead of using it conditionally
when threads are not used, we now set in unconditionally, as even with
thread pools enabled we never call OpenSSL functions in threads.
This fixes resulting binary when using --with-openssl with OpenSSL 1.1.0+
and without -lpthread linked (notably on FreeBSD without PCRE).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 22 Mar 2018 15:56:07 +0300 |
parents | 7cc2d3a96ea3 |
children | da9941c9b01b |
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 |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #include <ngx_config.h> |
100
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9 #include <ngx_core.h> |
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11 |
499 | 12 ngx_buf_t * |
13 ngx_create_temp_buf(ngx_pool_t *pool, size_t size) | |
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14 { |
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15 ngx_buf_t *b; |
16
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16 |
501 | 17 b = ngx_calloc_buf(pool); |
18 if (b == NULL) { | |
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19 return NULL; |
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20 } |
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21 |
501 | 22 b->start = ngx_palloc(pool, size); |
23 if (b->start == NULL) { | |
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24 return NULL; |
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25 } |
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26 |
499 | 27 /* |
28 * set by ngx_calloc_buf(): | |
29 * | |
30 * b->file_pos = 0; | |
31 * b->file_last = 0; | |
32 * b->file = NULL; | |
33 * b->shadow = NULL; | |
34 * b->tag = 0; | |
509 | 35 * and flags |
499 | 36 */ |
37 | |
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38 b->pos = b->start; |
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39 b->last = b->start; |
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40 b->end = b->last + size; |
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41 b->temporary = 1; |
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42 |
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43 return b; |
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44 } |
93
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45 |
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46 |
499 | 47 ngx_chain_t * |
507 | 48 ngx_alloc_chain_link(ngx_pool_t *pool) |
49 { | |
50 ngx_chain_t *cl; | |
51 | |
52 cl = pool->chain; | |
53 | |
54 if (cl) { | |
55 pool->chain = cl->next; | |
56 return cl; | |
57 } | |
58 | |
59 cl = ngx_palloc(pool, sizeof(ngx_chain_t)); | |
60 if (cl == NULL) { | |
61 return NULL; | |
62 } | |
63 | |
64 return cl; | |
65 } | |
66 | |
67 | |
68 ngx_chain_t * | |
499 | 69 ngx_create_chain_of_bufs(ngx_pool_t *pool, ngx_bufs_t *bufs) |
160
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70 { |
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71 u_char *p; |
290
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72 ngx_int_t i; |
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73 ngx_buf_t *b; |
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74 ngx_chain_t *chain, *cl, **ll; |
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75 |
501 | 76 p = ngx_palloc(pool, bufs->num * bufs->size); |
77 if (p == NULL) { | |
343
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78 return NULL; |
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79 } |
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80 |
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81 ll = &chain; |
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82 |
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83 for (i = 0; i < bufs->num; i++) { |
501 | 84 |
85 b = ngx_calloc_buf(pool); | |
86 if (b == NULL) { | |
343
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87 return NULL; |
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88 } |
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89 |
499 | 90 /* |
91 * set by ngx_calloc_buf(): | |
92 * | |
93 * b->file_pos = 0; | |
94 * b->file_last = 0; | |
95 * b->file = NULL; | |
96 * b->shadow = NULL; | |
97 * b->tag = 0; | |
509 | 98 * and flags |
499 | 99 * |
100 */ | |
101 | |
343
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102 b->pos = p; |
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103 b->last = p; |
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104 b->temporary = 1; |
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105 |
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106 b->start = p; |
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107 p += bufs->size; |
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108 b->end = p; |
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109 |
501 | 110 cl = ngx_alloc_chain_link(pool); |
111 if (cl == NULL) { | |
343
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112 return NULL; |
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113 } |
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114 |
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115 cl->buf = b; |
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116 *ll = cl; |
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117 ll = &cl->next; |
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118 } |
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119 |
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120 *ll = NULL; |
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121 |
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122 return chain; |
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123 } |
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124 |
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125 |
499 | 126 ngx_int_t |
127 ngx_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **chain, ngx_chain_t *in) | |
134
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128 { |
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129 ngx_chain_t *cl, **ll; |
134
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130 |
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131 ll = chain; |
134
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132 |
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133 for (cl = *chain; cl; cl = cl->next) { |
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134 ll = &cl->next; |
134
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135 } |
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136 |
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137 while (in) { |
501 | 138 cl = ngx_alloc_chain_link(pool); |
139 if (cl == NULL) { | |
140 return NGX_ERROR; | |
141 } | |
134
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142 |
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143 cl->buf = in->buf; |
155
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144 *ll = cl; |
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145 ll = &cl->next; |
134
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146 in = in->next; |
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147 } |
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148 |
155
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149 *ll = NULL; |
136
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150 |
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151 return NGX_OK; |
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152 } |
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153 |
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154 |
581 | 155 ngx_chain_t * |
156 ngx_chain_get_free_buf(ngx_pool_t *p, ngx_chain_t **free) | |
157 { | |
158 ngx_chain_t *cl; | |
159 | |
160 if (*free) { | |
161 cl = *free; | |
162 *free = cl->next; | |
163 cl->next = NULL; | |
164 return cl; | |
165 } | |
166 | |
167 cl = ngx_alloc_chain_link(p); | |
168 if (cl == NULL) { | |
169 return NULL; | |
170 } | |
171 | |
172 cl->buf = ngx_calloc_buf(p); | |
173 if (cl->buf == NULL) { | |
174 return NULL; | |
175 } | |
176 | |
177 cl->next = NULL; | |
178 | |
179 return cl; | |
180 } | |
181 | |
182 | |
499 | 183 void |
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184 ngx_chain_update_chains(ngx_pool_t *p, ngx_chain_t **free, ngx_chain_t **busy, |
499 | 185 ngx_chain_t **out, ngx_buf_tag_t tag) |
132
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186 { |
499 | 187 ngx_chain_t *cl; |
132
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188 |
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189 if (*out) { |
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190 if (*busy == NULL) { |
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191 *busy = *out; |
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192 |
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193 } else { |
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194 for (cl = *busy; cl->next; cl = cl->next) { /* void */ } |
455 | 195 |
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196 cl->next = *out; |
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197 } |
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198 |
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199 *out = NULL; |
132
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200 } |
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201 |
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202 while (*busy) { |
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203 cl = *busy; |
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204 |
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205 if (ngx_buf_size(cl->buf) != 0) { |
132
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206 break; |
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207 } |
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208 |
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209 if (cl->buf->tag != tag) { |
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210 *busy = cl->next; |
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211 ngx_free_chain(p, cl); |
135
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212 continue; |
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213 } |
132
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214 |
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215 cl->buf->pos = cl->buf->start; |
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216 cl->buf->last = cl->buf->start; |
132
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|
217 |
499 | 218 *busy = cl->next; |
219 cl->next = *free; | |
220 *free = cl; | |
132
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|
221 } |
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222 } |
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223 |
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224 |
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225 off_t |
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226 ngx_chain_coalesce_file(ngx_chain_t **in, off_t limit) |
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227 { |
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228 off_t total, size, aligned, fprev; |
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229 ngx_fd_t fd; |
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230 ngx_chain_t *cl; |
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231 |
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232 total = 0; |
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233 |
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234 cl = *in; |
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235 fd = cl->buf->file->fd; |
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236 |
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237 do { |
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238 size = cl->buf->file_last - cl->buf->file_pos; |
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239 |
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240 if (size > limit - total) { |
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241 size = limit - total; |
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242 |
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243 aligned = (cl->buf->file_pos + size + ngx_pagesize - 1) |
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244 & ~((off_t) ngx_pagesize - 1); |
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245 |
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246 if (aligned <= cl->buf->file_last) { |
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247 size = aligned - cl->buf->file_pos; |
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248 } |
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249 |
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250 total += size; |
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251 break; |
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252 } |
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253 |
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254 total += size; |
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255 fprev = cl->buf->file_pos + size; |
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256 cl = cl->next; |
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257 |
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258 } while (cl |
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259 && cl->buf->in_file |
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260 && total < limit |
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261 && fd == cl->buf->file->fd |
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262 && fprev == cl->buf->file_pos); |
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263 |
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264 *in = cl; |
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265 |
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266 return total; |
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267 } |
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268 |
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269 |
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270 ngx_chain_t * |
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271 ngx_chain_update_sent(ngx_chain_t *in, off_t sent) |
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272 { |
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273 off_t size; |
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274 |
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275 for ( /* void */ ; in; in = in->next) { |
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276 |
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277 if (ngx_buf_special(in->buf)) { |
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278 continue; |
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279 } |
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280 |
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281 if (sent == 0) { |
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282 break; |
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283 } |
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284 |
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285 size = ngx_buf_size(in->buf); |
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286 |
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287 if (sent >= size) { |
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288 sent -= size; |
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289 |
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290 if (ngx_buf_in_memory(in->buf)) { |
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291 in->buf->pos = in->buf->last; |
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292 } |
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293 |
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294 if (in->buf->in_file) { |
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295 in->buf->file_pos = in->buf->file_last; |
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296 } |
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297 |
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298 continue; |
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parents:
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299 } |
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300 |
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parents:
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301 if (ngx_buf_in_memory(in->buf)) { |
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302 in->buf->pos += (size_t) sent; |
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Valentin Bartenev <vbart@nginx.com>
parents:
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303 } |
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parents:
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304 |
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parents:
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305 if (in->buf->in_file) { |
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parents:
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306 in->buf->file_pos += sent; |
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Moved the code for adjusting sent buffers in a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
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307 } |
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Moved the code for adjusting sent buffers in a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
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308 |
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Moved the code for adjusting sent buffers in a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
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309 break; |
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Moved the code for adjusting sent buffers in a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
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310 } |
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Moved the code for adjusting sent buffers in a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
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311 |
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Moved the code for adjusting sent buffers in a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
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312 return in; |
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Moved the code for adjusting sent buffers in a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
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313 } |