Mercurial > hg > nginx
annotate src/os/unix/ngx_files.c @ 6470:62d950bc0f15
Updated OpenSSL used for win32 builds.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 29 Mar 2016 09:54:11 +0300 |
parents | 6e10518f95d8 |
children | f01ab2dbcfdc |
rev | line source |
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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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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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11 |
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12 #if (NGX_THREADS) |
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13 #include <ngx_thread_pool.h> |
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14 static void ngx_thread_read_handler(void *data, ngx_log_t *log); |
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15 static void ngx_thread_write_chain_to_file_handler(void *data, ngx_log_t *log); |
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16 #endif |
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17 |
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18 static ngx_chain_t *ngx_chain_to_iovec(ngx_iovec_t *vec, ngx_chain_t *cl); |
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19 static ssize_t ngx_writev_file(ngx_file_t *file, ngx_iovec_t *vec, |
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20 off_t offset); |
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21 |
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22 |
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23 #if (NGX_HAVE_FILE_AIO) |
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24 |
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25 ngx_uint_t ngx_file_aio = 1; |
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26 |
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27 #endif |
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29 |
561 | 30 ssize_t |
31 ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset) | |
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32 { |
561 | 33 ssize_t n; |
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34 |
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35 ngx_log_debug4(NGX_LOG_DEBUG_CORE, file->log, 0, |
461 | 36 "read: %d, %p, %uz, %O", file->fd, buf, size, offset); |
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469 | 38 #if (NGX_HAVE_PREAD) |
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39 |
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40 n = pread(file->fd, buf, size, offset); |
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41 |
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42 if (n == -1) { |
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43 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, |
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44 "pread() \"%s\" failed", file->name.data); |
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45 return NGX_ERROR; |
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46 } |
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48 #else |
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50 if (file->sys_offset != offset) { |
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51 if (lseek(file->fd, offset, SEEK_SET) == -1) { |
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52 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, |
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53 "lseek() \"%s\" failed", file->name.data); |
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54 return NGX_ERROR; |
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55 } |
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56 |
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57 file->sys_offset = offset; |
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58 } |
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59 |
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60 n = read(file->fd, buf, size); |
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61 |
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62 if (n == -1) { |
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63 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, |
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64 "read() \"%s\" failed", file->name.data); |
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65 return NGX_ERROR; |
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66 } |
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67 |
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68 file->sys_offset += n; |
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69 |
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70 #endif |
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71 |
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72 file->offset += n; |
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74 return n; |
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75 } |
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76 |
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77 |
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78 #if (NGX_THREADS) |
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79 |
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80 typedef struct { |
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81 ngx_fd_t fd; |
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82 ngx_uint_t write; /* unsigned write:1; */ |
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83 |
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84 u_char *buf; |
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85 size_t size; |
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86 ngx_chain_t *chain; |
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87 off_t offset; |
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88 |
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89 size_t nbytes; |
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90 ngx_err_t err; |
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91 } ngx_thread_file_ctx_t; |
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92 |
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93 |
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94 ssize_t |
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95 ngx_thread_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset, |
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96 ngx_pool_t *pool) |
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97 { |
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98 ngx_thread_task_t *task; |
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99 ngx_thread_file_ctx_t *ctx; |
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100 |
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101 ngx_log_debug4(NGX_LOG_DEBUG_CORE, file->log, 0, |
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102 "thread read: %d, %p, %uz, %O", |
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103 file->fd, buf, size, offset); |
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104 |
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105 task = file->thread_task; |
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106 |
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107 if (task == NULL) { |
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108 task = ngx_thread_task_alloc(pool, sizeof(ngx_thread_file_ctx_t)); |
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109 if (task == NULL) { |
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110 return NGX_ERROR; |
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111 } |
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112 |
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113 file->thread_task = task; |
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114 } |
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115 |
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116 ctx = task->ctx; |
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117 |
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118 if (task->event.complete) { |
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119 task->event.complete = 0; |
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120 |
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121 if (ctx->write) { |
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122 ngx_log_error(NGX_LOG_ALERT, file->log, 0, |
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123 "invalid thread call, read instead of write"); |
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124 return NGX_ERROR; |
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125 } |
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126 |
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127 if (ctx->err) { |
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128 ngx_log_error(NGX_LOG_CRIT, file->log, ctx->err, |
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129 "pread() \"%s\" failed", file->name.data); |
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130 return NGX_ERROR; |
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131 } |
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132 |
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133 return ctx->nbytes; |
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134 } |
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135 |
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136 task->handler = ngx_thread_read_handler; |
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137 |
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138 ctx->write = 0; |
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139 |
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140 ctx->fd = file->fd; |
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141 ctx->buf = buf; |
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142 ctx->size = size; |
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143 ctx->offset = offset; |
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144 |
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145 if (file->thread_handler(task, file) != NGX_OK) { |
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146 return NGX_ERROR; |
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147 } |
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148 |
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149 return NGX_AGAIN; |
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150 } |
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151 |
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152 |
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153 #if (NGX_HAVE_PREAD) |
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154 |
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155 static void |
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156 ngx_thread_read_handler(void *data, ngx_log_t *log) |
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157 { |
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158 ngx_thread_file_ctx_t *ctx = data; |
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159 |
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160 ssize_t n; |
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161 |
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162 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "thread read handler"); |
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163 |
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164 n = pread(ctx->fd, ctx->buf, ctx->size, ctx->offset); |
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165 |
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166 if (n == -1) { |
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167 ctx->err = ngx_errno; |
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168 |
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169 } else { |
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170 ctx->nbytes = n; |
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171 ctx->err = 0; |
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172 } |
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173 |
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174 #if 0 |
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175 ngx_time_update(); |
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176 #endif |
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177 |
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178 ngx_log_debug4(NGX_LOG_DEBUG_CORE, log, 0, |
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179 "pread: %z (err: %i) of %uz @%O", |
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180 n, ctx->err, ctx->size, ctx->offset); |
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181 } |
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182 |
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183 #else |
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184 |
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185 #error pread() is required! |
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186 |
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187 #endif |
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188 |
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189 #endif /* NGX_THREADS */ |
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190 |
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191 |
561 | 192 ssize_t |
193 ngx_write_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset) | |
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194 { |
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195 ssize_t n, written; |
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196 ngx_err_t err; |
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197 |
461 | 198 ngx_log_debug4(NGX_LOG_DEBUG_CORE, file->log, 0, |
199 "write: %d, %p, %uz, %O", file->fd, buf, size, offset); | |
200 | |
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201 written = 0; |
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202 |
469 | 203 #if (NGX_HAVE_PWRITE) |
182
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204 |
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205 for ( ;; ) { |
3657 | 206 n = pwrite(file->fd, buf + written, size, offset); |
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207 |
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208 if (n == -1) { |
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209 err = ngx_errno; |
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210 |
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211 if (err == NGX_EINTR) { |
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212 ngx_log_debug0(NGX_LOG_DEBUG_CORE, file->log, err, |
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213 "pwrite() was interrupted"); |
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214 continue; |
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215 } |
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216 |
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217 ngx_log_error(NGX_LOG_CRIT, file->log, err, |
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218 "pwrite() \"%s\" failed", file->name.data); |
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219 return NGX_ERROR; |
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220 } |
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221 |
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222 file->offset += n; |
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223 written += n; |
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224 |
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225 if ((size_t) n == size) { |
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226 return written; |
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227 } |
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228 |
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229 offset += n; |
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230 size -= n; |
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231 } |
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232 |
182
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233 #else |
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234 |
190
02a715e85df1
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235 if (file->sys_offset != offset) { |
182
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236 if (lseek(file->fd, offset, SEEK_SET) == -1) { |
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237 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, |
a2c1b4f74ea7
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238 "lseek() \"%s\" failed", file->name.data); |
182
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239 return NGX_ERROR; |
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240 } |
191
71ce40b3c37b
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241 |
71ce40b3c37b
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242 file->sys_offset = offset; |
182
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243 } |
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244 |
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245 for ( ;; ) { |
3657 | 246 n = write(file->fd, buf + written, size); |
182
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247 |
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248 if (n == -1) { |
6299
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Handled EINTR from write() and pwrite() syscalls.
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249 err = ngx_errno; |
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250 |
5170c3040ce1
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251 if (err == NGX_EINTR) { |
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252 ngx_log_debug0(NGX_LOG_DEBUG_CORE, file->log, err, |
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253 "write() was interrupted"); |
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254 continue; |
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255 } |
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Handled EINTR from write() and pwrite() syscalls.
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256 |
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Handled EINTR from write() and pwrite() syscalls.
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257 ngx_log_error(NGX_LOG_CRIT, file->log, err, |
3163
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258 "write() \"%s\" failed", file->name.data); |
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259 return NGX_ERROR; |
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260 } |
182
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261 |
6298
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Adjusted file->sys_offset after the write() syscall.
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262 file->sys_offset += n; |
3163
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263 file->offset += n; |
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264 written += n; |
182
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265 |
3163
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266 if ((size_t) n == size) { |
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267 return written; |
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268 } |
182
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269 |
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270 size -= n; |
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271 } |
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272 #endif |
74
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273 } |
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274 |
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275 |
561 | 276 ngx_fd_t |
1046 | 277 ngx_open_tempfile(u_char *name, ngx_uint_t persistent, ngx_uint_t access) |
303
00c5660d2707
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278 { |
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279 ngx_fd_t fd; |
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280 |
1046 | 281 fd = open((const char *) name, O_CREAT|O_EXCL|O_RDWR, |
282 access ? access : 0600); | |
303
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283 |
00c5660d2707
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284 if (fd != -1 && !persistent) { |
4794
4163fb9dcfcb
Explicitly ignore returned value from unlink() in ngx_open_tempfile().
Andrey Belov <defan@nginx.com>
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4737
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|
285 (void) unlink((const char *) name); |
303
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286 } |
00c5660d2707
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287 |
00c5660d2707
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288 return fd; |
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289 } |
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290 |
00c5660d2707
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291 |
561 | 292 ssize_t |
293 ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset, | |
294 ngx_pool_t *pool) | |
74
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295 { |
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296 ssize_t total, n; |
6421
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Introduced the ngx_chain_to_iovec() function.
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297 ngx_iovec_t vec; |
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298 struct iovec iovs[NGX_IOVS_PREALLOCATE]; |
74
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299 |
461 | 300 /* use pwrite() if there is the only buf in a chain */ |
74
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301 |
170
c42be4185301
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154
diff
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302 if (cl->next == NULL) { |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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303
diff
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303 return ngx_write_file(file, cl->buf->pos, |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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303
diff
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|
304 (size_t) (cl->buf->last - cl->buf->pos), |
194
2357fa41738a
nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
191
diff
changeset
|
305 offset); |
74
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306 } |
17ab1af8c3dd
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307 |
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308 total = 0; |
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Fixed unix ngx_write_chain_to_file() to return total bytes written.
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309 |
6421
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Introduced the ngx_chain_to_iovec() function.
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310 vec.iovs = iovs; |
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Introduced the ngx_chain_to_iovec() function.
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311 vec.nalloc = NGX_IOVS_PREALLOCATE; |
170
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312 |
461 | 313 do { |
314 /* create the iovec and coalesce the neighbouring bufs */ | |
6421
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Introduced the ngx_chain_to_iovec() function.
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315 cl = ngx_chain_to_iovec(&vec, cl); |
170
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316 |
461 | 317 /* use pwrite() if there is the only iovec buffer */ |
170
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318 |
6421
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Introduced the ngx_chain_to_iovec() function.
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319 if (vec.count == 1) { |
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Introduced the ngx_chain_to_iovec() function.
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320 n = ngx_write_file(file, (u_char *) iovs[0].iov_base, |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
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|
321 iovs[0].iov_len, offset); |
4221
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Fixed another return in unix ngx_write_chain_to_file().
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4220
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|
322 |
3203ddb78279
Fixed another return in unix ngx_write_chain_to_file().
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|
323 if (n == NGX_ERROR) { |
3203ddb78279
Fixed another return in unix ngx_write_chain_to_file().
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|
324 return n; |
3203ddb78279
Fixed another return in unix ngx_write_chain_to_file().
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|
325 } |
3203ddb78279
Fixed another return in unix ngx_write_chain_to_file().
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changeset
|
326 |
3203ddb78279
Fixed another return in unix ngx_write_chain_to_file().
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|
327 return total + n; |
461 | 328 } |
170
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diff
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|
329 |
6421
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Introduced the ngx_chain_to_iovec() function.
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changeset
|
330 n = ngx_writev_file(file, &vec, offset); |
74
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331 |
6300
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Moved file writev() handling code to a separate function.
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6299
diff
changeset
|
332 if (n == NGX_ERROR) { |
be6af0906a4d
Moved file writev() handling code to a separate function.
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parents:
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diff
changeset
|
333 return n; |
461 | 334 } |
335 | |
4938
64ffc28850bb
Core: fixed ngx_write_chain_to_file() with IOV_MAX reached.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4919
diff
changeset
|
336 offset += n; |
4220
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Fixed unix ngx_write_chain_to_file() to return total bytes written.
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|
337 total += n; |
74
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diff
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|
338 |
461 | 339 } while (cl); |
73
4534060fde92
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parents:
35
diff
changeset
|
340 |
4220
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|
341 return total; |
73
4534060fde92
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35
diff
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|
342 } |
4534060fde92
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35
diff
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|
343 |
4534060fde92
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35
diff
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|
344 |
6421
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Introduced the ngx_chain_to_iovec() function.
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changeset
|
345 static ngx_chain_t * |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
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changeset
|
346 ngx_chain_to_iovec(ngx_iovec_t *vec, ngx_chain_t *cl) |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
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|
347 { |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
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changeset
|
348 size_t total, size; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
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changeset
|
349 u_char *prev; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
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changeset
|
350 ngx_uint_t n; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
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changeset
|
351 struct iovec *iov; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
352 |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
353 iov = NULL; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
354 prev = NULL; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
355 total = 0; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
356 n = 0; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
357 |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
358 for ( /* void */ ; cl; cl = cl->next) { |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
359 size = cl->buf->last - cl->buf->pos; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
360 |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
361 if (prev == cl->buf->pos) { |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
362 iov->iov_len += size; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
363 |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
364 } else { |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
365 if (n == vec->nalloc) { |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
366 break; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
367 } |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
368 |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
369 iov = &vec->iovs[n++]; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
370 |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
371 iov->iov_base = (void *) cl->buf->pos; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
372 iov->iov_len = size; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
373 } |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
374 |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
375 prev = cl->buf->pos + size; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
376 total += size; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
377 } |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
378 |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
379 vec->count = n; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
380 vec->size = total; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
381 |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
382 return cl; |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
383 } |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
384 |
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
385 |
6300
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
386 static ssize_t |
6421
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
387 ngx_writev_file(ngx_file_t *file, ngx_iovec_t *vec, off_t offset) |
6300
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
388 { |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
389 ssize_t n; |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
390 ngx_err_t err; |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
391 |
6301
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
392 ngx_log_debug3(NGX_LOG_DEBUG_CORE, file->log, 0, |
6421
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
393 "writev: %d, %uz, %O", file->fd, vec->size, offset); |
6301
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
394 |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
395 #if (NGX_HAVE_PWRITEV) |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
396 |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
397 eintr: |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
398 |
6421
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
399 n = pwritev(file->fd, vec->iovs, vec->count, offset); |
6301
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
400 |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
401 if (n == -1) { |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
402 err = ngx_errno; |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
403 |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
404 if (err == NGX_EINTR) { |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
405 ngx_log_debug0(NGX_LOG_DEBUG_CORE, file->log, err, |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
406 "pwritev() was interrupted"); |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
407 goto eintr; |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
408 } |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
409 |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
410 ngx_log_error(NGX_LOG_CRIT, file->log, err, |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
411 "pwritev() \"%s\" failed", file->name.data); |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
412 return NGX_ERROR; |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
413 } |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
414 |
6421
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
415 if ((size_t) n != vec->size) { |
6301
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
416 ngx_log_error(NGX_LOG_CRIT, file->log, 0, |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
417 "pwritev() \"%s\" has written only %z of %uz", |
6421
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
418 file->name.data, n, vec->size); |
6301
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
419 return NGX_ERROR; |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
420 } |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
421 |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
422 #else |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
423 |
6300
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
424 if (file->sys_offset != offset) { |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
425 if (lseek(file->fd, offset, SEEK_SET) == -1) { |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
426 ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
427 "lseek() \"%s\" failed", file->name.data); |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
428 return NGX_ERROR; |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
429 } |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
430 |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
431 file->sys_offset = offset; |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
432 } |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
433 |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
434 eintr: |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
435 |
6421
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
436 n = writev(file->fd, vec->iovs, vec->count); |
6300
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
437 |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
438 if (n == -1) { |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
439 err = ngx_errno; |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
440 |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
441 if (err == NGX_EINTR) { |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
442 ngx_log_debug0(NGX_LOG_DEBUG_CORE, file->log, err, |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
443 "writev() was interrupted"); |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
444 goto eintr; |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
445 } |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
446 |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
447 ngx_log_error(NGX_LOG_CRIT, file->log, err, |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
448 "writev() \"%s\" failed", file->name.data); |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
449 return NGX_ERROR; |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
450 } |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
451 |
6421
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
452 if ((size_t) n != vec->size) { |
6300
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
453 ngx_log_error(NGX_LOG_CRIT, file->log, 0, |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
454 "writev() \"%s\" has written only %z of %uz", |
6421
3832b608dc8d
Introduced the ngx_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
6301
diff
changeset
|
455 file->name.data, n, vec->size); |
6300
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
456 return NGX_ERROR; |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
457 } |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
458 |
6301
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
459 file->sys_offset += n; |
6300
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
460 |
6301
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
461 #endif |
b5a87b51be24
Used the pwritev() syscall for writing files where possible.
Valentin Bartenev <vbart@nginx.com>
parents:
6300
diff
changeset
|
462 |
6300
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
463 file->offset += n; |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
464 |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
465 return n; |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
466 } |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
467 |
be6af0906a4d
Moved file writev() handling code to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
6299
diff
changeset
|
468 |
6442
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
469 #if (NGX_THREADS) |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
470 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
471 ssize_t |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
472 ngx_thread_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset, |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
473 ngx_pool_t *pool) |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
474 { |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
475 ngx_thread_task_t *task; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
476 ngx_thread_file_ctx_t *ctx; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
477 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
478 ngx_log_debug3(NGX_LOG_DEBUG_CORE, file->log, 0, |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
479 "thread write chain: %d, %p, %O", |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
480 file->fd, cl, offset); |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
481 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
482 task = file->thread_task; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
483 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
484 if (task == NULL) { |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
485 task = ngx_thread_task_alloc(pool, |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
486 sizeof(ngx_thread_file_ctx_t)); |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
487 if (task == NULL) { |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
488 return NGX_ERROR; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
489 } |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
490 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
491 file->thread_task = task; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
492 } |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
493 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
494 ctx = task->ctx; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
495 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
496 if (task->event.complete) { |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
497 task->event.complete = 0; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
498 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
499 if (!ctx->write) { |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
500 ngx_log_error(NGX_LOG_ALERT, file->log, 0, |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
501 "invalid thread call, write instead of read"); |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
502 return NGX_ERROR; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
503 } |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
504 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
505 if (ctx->err || ctx->nbytes == 0) { |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
506 ngx_log_error(NGX_LOG_CRIT, file->log, ctx->err, |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
507 "pwritev() \"%s\" failed", file->name.data); |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
508 return NGX_ERROR; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
509 } |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
510 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
511 file->offset += ctx->nbytes; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
512 return ctx->nbytes; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
513 } |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
514 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
515 task->handler = ngx_thread_write_chain_to_file_handler; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
516 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
517 ctx->write = 1; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
518 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
519 ctx->fd = file->fd; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
520 ctx->chain = cl; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
521 ctx->offset = offset; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
522 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
523 if (file->thread_handler(task, file) != NGX_OK) { |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
524 return NGX_ERROR; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
525 } |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
526 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
527 return NGX_AGAIN; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
528 } |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
529 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
530 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
531 static void |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
532 ngx_thread_write_chain_to_file_handler(void *data, ngx_log_t *log) |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
533 { |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
534 ngx_thread_file_ctx_t *ctx = data; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
535 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
536 #if (NGX_HAVE_PWRITEV) |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
537 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
538 off_t offset; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
539 ssize_t n; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
540 ngx_err_t err; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
541 ngx_chain_t *cl; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
542 ngx_iovec_t vec; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
543 struct iovec iovs[NGX_IOVS_PREALLOCATE]; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
544 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
545 vec.iovs = iovs; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
546 vec.nalloc = NGX_IOVS_PREALLOCATE; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
547 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
548 cl = ctx->chain; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
549 offset = ctx->offset; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
550 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
551 ctx->nbytes = 0; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
552 ctx->err = 0; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
553 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
554 do { |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
555 /* create the iovec and coalesce the neighbouring bufs */ |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
556 cl = ngx_chain_to_iovec(&vec, cl); |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
557 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
558 eintr: |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
559 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
560 n = pwritev(ctx->fd, iovs, vec.count, offset); |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
561 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
562 if (n == -1) { |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
563 err = ngx_errno; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
564 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
565 if (err == NGX_EINTR) { |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
566 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, err, |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
567 "pwritev() was interrupted"); |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
568 goto eintr; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
569 } |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
570 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
571 ctx->err = err; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
572 return; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
573 } |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
574 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
575 if ((size_t) n != vec.size) { |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
576 ctx->nbytes = 0; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
577 return; |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
578 } |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6441
diff
changeset
|
579 |
6e10518f95d8
Threads: offloading of temp files writing to thread pools.
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580 ctx->nbytes += n; |
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581 offset += n; |
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582 } while (cl); |
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583 |
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584 #else |
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585 |
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586 ctx->err = NGX_ENOSYS; |
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587 return; |
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588 |
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589 #endif |
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590 } |
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591 |
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592 #endif /* NGX_THREADS */ |
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593 |
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594 |
561 | 595 ngx_int_t |
681 | 596 ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s) |
597 { | |
598 struct timeval tv[2]; | |
599 | |
3861
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600 tv[0].tv_sec = ngx_time(); |
681 | 601 tv[0].tv_usec = 0; |
602 tv[1].tv_sec = s; | |
603 tv[1].tv_usec = 0; | |
604 | |
605 if (utimes((char *) name, tv) != -1) { | |
606 return NGX_OK; | |
607 } | |
608 | |
609 return NGX_ERROR; | |
610 } | |
611 | |
612 | |
613 ngx_int_t | |
3651 | 614 ngx_create_file_mapping(ngx_file_mapping_t *fm) |
615 { | |
616 fm->fd = ngx_open_file(fm->name, NGX_FILE_RDWR, NGX_FILE_TRUNCATE, | |
617 NGX_FILE_DEFAULT_ACCESS); | |
618 if (fm->fd == NGX_INVALID_FILE) { | |
619 ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, | |
620 ngx_open_file_n " \"%s\" failed", fm->name); | |
621 return NGX_ERROR; | |
622 } | |
623 | |
624 if (ftruncate(fm->fd, fm->size) == -1) { | |
625 ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, | |
626 "ftruncate() \"%s\" failed", fm->name); | |
627 goto failed; | |
628 } | |
629 | |
630 fm->addr = mmap(NULL, fm->size, PROT_READ|PROT_WRITE, MAP_SHARED, | |
631 fm->fd, 0); | |
632 if (fm->addr != MAP_FAILED) { | |
633 return NGX_OK; | |
634 } | |
635 | |
636 ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, | |
637 "mmap(%uz) \"%s\" failed", fm->size, fm->name); | |
638 | |
639 failed: | |
640 | |
641 if (ngx_close_file(fm->fd) == NGX_FILE_ERROR) { | |
642 ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno, | |
643 ngx_close_file_n " \"%s\" failed", fm->name); | |
644 } | |
645 | |
646 return NGX_ERROR; | |
647 } | |
648 | |
649 | |
650 void | |
651 ngx_close_file_mapping(ngx_file_mapping_t *fm) | |
652 { | |
653 if (munmap(fm->addr, fm->size) == -1) { | |
654 ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, | |
655 "munmap(%uz) \"%s\" failed", fm->size, fm->name); | |
656 } | |
657 | |
658 if (ngx_close_file(fm->fd) == NGX_FILE_ERROR) { | |
659 ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno, | |
660 ngx_close_file_n " \"%s\" failed", fm->name); | |
661 } | |
662 } | |
663 | |
664 | |
665 ngx_int_t | |
561 | 666 ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir) |
186
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667 { |
290
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668 dir->dir = opendir((const char *) name->data); |
186
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669 |
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670 if (dir->dir == NULL) { |
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671 return NGX_ERROR; |
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672 } |
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673 |
457 | 674 dir->valid_info = 0; |
186
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675 |
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676 return NGX_OK; |
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677 } |
561 | 678 |
679 | |
727 | 680 ngx_int_t |
2234
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681 ngx_read_dir(ngx_dir_t *dir) |
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682 { |
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683 dir->de = readdir(dir->dir); |
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684 |
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685 if (dir->de) { |
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686 #if (NGX_HAVE_D_TYPE) |
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687 dir->type = dir->de->d_type; |
2550
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XFS on Linux does not set dirent.d_type,
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|
688 #else |
3200
26784c34e8be
*) reset cached dirent.d_type after stat()
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|
689 dir->type = 0; |
2234
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690 #endif |
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691 return NGX_OK; |
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692 } |
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|
693 |
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694 return NGX_ERROR; |
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|
695 } |
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|
696 |
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diff
changeset
|
697 |
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changeset
|
698 ngx_int_t |
727 | 699 ngx_open_glob(ngx_glob_t *gl) |
700 { | |
1980 | 701 int n; |
702 | |
4943
1e2d5d3f9f6b
Core: removed GLOB_NOSORT glob option.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4938
diff
changeset
|
703 n = glob((char *) gl->pattern, 0, NULL, &gl->pglob); |
1980 | 704 |
705 if (n == 0) { | |
706 return NGX_OK; | |
707 } | |
708 | |
2199
ffb512f0eabd
fix building on FreeBSD prior to 4.8, it has no GLOB_NOMATCH
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
709 #ifdef GLOB_NOMATCH |
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fix building on FreeBSD prior to 4.8, it has no GLOB_NOMATCH
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2129
diff
changeset
|
710 |
1980 | 711 if (n == GLOB_NOMATCH && gl->test) { |
727 | 712 return NGX_OK; |
713 } | |
714 | |
2199
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fix building on FreeBSD prior to 4.8, it has no GLOB_NOMATCH
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
715 #endif |
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fix building on FreeBSD prior to 4.8, it has no GLOB_NOMATCH
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
716 |
727 | 717 return NGX_ERROR; |
718 } | |
719 | |
720 | |
721 ngx_int_t | |
722 ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name) | |
723 { | |
2210
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fix build on Linux and Solaris introduced in r2200
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parents:
2199
diff
changeset
|
724 size_t count; |
2cae41e51622
fix build on Linux and Solaris introduced in r2200
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parents:
2199
diff
changeset
|
725 |
2cae41e51622
fix build on Linux and Solaris introduced in r2200
Igor Sysoev <igor@sysoev.ru>
parents:
2199
diff
changeset
|
726 #ifdef GLOB_NOMATCH |
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fix build on Linux and Solaris introduced in r2200
Igor Sysoev <igor@sysoev.ru>
parents:
2199
diff
changeset
|
727 count = (size_t) gl->pglob.gl_pathc; |
2cae41e51622
fix build on Linux and Solaris introduced in r2200
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diff
changeset
|
728 #else |
2cae41e51622
fix build on Linux and Solaris introduced in r2200
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parents:
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diff
changeset
|
729 count = (size_t) gl->pglob.gl_matchc; |
2cae41e51622
fix build on Linux and Solaris introduced in r2200
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parents:
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diff
changeset
|
730 #endif |
2cae41e51622
fix build on Linux and Solaris introduced in r2200
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parents:
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diff
changeset
|
731 |
2cae41e51622
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diff
changeset
|
732 if (gl->n < count) { |
727 | 733 |
734 name->len = (size_t) ngx_strlen(gl->pglob.gl_pathv[gl->n]); | |
735 name->data = (u_char *) gl->pglob.gl_pathv[gl->n]; | |
736 gl->n++; | |
737 | |
738 return NGX_OK; | |
739 } | |
740 | |
741 return NGX_DONE; | |
742 } | |
743 | |
744 | |
745 void | |
746 ngx_close_glob(ngx_glob_t *gl) | |
747 { | |
748 globfree(&gl->pglob); | |
749 } | |
750 | |
751 | |
611 | 752 ngx_err_t |
753 ngx_trylock_fd(ngx_fd_t fd) | |
561 | 754 { |
755 struct flock fl; | |
756 | |
4737
9acc1a5a5b9a
Made sure to initialize the entire "struct flock" allocated on stack.
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
757 ngx_memzero(&fl, sizeof(struct flock)); |
611 | 758 fl.l_type = F_WRLCK; |
561 | 759 fl.l_whence = SEEK_SET; |
611 | 760 |
761 if (fcntl(fd, F_SETLK, &fl) == -1) { | |
762 return ngx_errno; | |
763 } | |
764 | |
765 return 0; | |
766 } | |
767 | |
768 | |
769 ngx_err_t | |
770 ngx_lock_fd(ngx_fd_t fd) | |
771 { | |
772 struct flock fl; | |
773 | |
4737
9acc1a5a5b9a
Made sure to initialize the entire "struct flock" allocated on stack.
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
774 ngx_memzero(&fl, sizeof(struct flock)); |
561 | 775 fl.l_type = F_WRLCK; |
611 | 776 fl.l_whence = SEEK_SET; |
561 | 777 |
611 | 778 if (fcntl(fd, F_SETLKW, &fl) == -1) { |
779 return ngx_errno; | |
561 | 780 } |
781 | |
611 | 782 return 0; |
561 | 783 } |
784 | |
785 | |
611 | 786 ngx_err_t |
787 ngx_unlock_fd(ngx_fd_t fd) | |
561 | 788 { |
789 struct flock fl; | |
790 | |
4737
9acc1a5a5b9a
Made sure to initialize the entire "struct flock" allocated on stack.
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
791 ngx_memzero(&fl, sizeof(struct flock)); |
561 | 792 fl.l_type = F_UNLCK; |
611 | 793 fl.l_whence = SEEK_SET; |
561 | 794 |
611 | 795 if (fcntl(fd, F_SETLK, &fl) == -1) { |
796 return ngx_errno; | |
561 | 797 } |
798 | |
611 | 799 return 0; |
561 | 800 } |
2129 | 801 |
802 | |
4299
11e47bf300db
FreeBSD 10-current has recently gotten POSIX_FADV_* macros.
Maxim Konovalov <maxim@nginx.com>
parents:
4221
diff
changeset
|
803 #if (NGX_HAVE_POSIX_FADVISE) && !(NGX_HAVE_F_READAHEAD) |
3322
e19df6e65352
fix posix_fadvise() error handling
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
804 |
e19df6e65352
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changeset
|
805 ngx_int_t |
e19df6e65352
fix posix_fadvise() error handling
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diff
changeset
|
806 ngx_read_ahead(ngx_fd_t fd, size_t n) |
e19df6e65352
fix posix_fadvise() error handling
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diff
changeset
|
807 { |
e19df6e65352
fix posix_fadvise() error handling
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diff
changeset
|
808 int err; |
e19df6e65352
fix posix_fadvise() error handling
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parents:
3294
diff
changeset
|
809 |
e19df6e65352
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Igor Sysoev <igor@sysoev.ru>
parents:
3294
diff
changeset
|
810 err = posix_fadvise(fd, 0, 0, POSIX_FADV_SEQUENTIAL); |
e19df6e65352
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changeset
|
811 |
e19df6e65352
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changeset
|
812 if (err == 0) { |
e19df6e65352
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parents:
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diff
changeset
|
813 return 0; |
e19df6e65352
fix posix_fadvise() error handling
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
814 } |
e19df6e65352
fix posix_fadvise() error handling
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diff
changeset
|
815 |
e19df6e65352
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changeset
|
816 ngx_set_errno(err); |
e19df6e65352
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parents:
3294
diff
changeset
|
817 return NGX_FILE_ERROR; |
e19df6e65352
fix posix_fadvise() error handling
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diff
changeset
|
818 } |
e19df6e65352
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changeset
|
819 |
e19df6e65352
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|
820 #endif |
e19df6e65352
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|
821 |
e19df6e65352
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|
822 |
2129 | 823 #if (NGX_HAVE_O_DIRECT) |
824 | |
825 ngx_int_t | |
2248
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disable directio for unaligned reads in Linux
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parents:
2234
diff
changeset
|
826 ngx_directio_on(ngx_fd_t fd) |
2129 | 827 { |
828 int flags; | |
829 | |
830 flags = fcntl(fd, F_GETFL); | |
831 | |
832 if (flags == -1) { | |
3164
b1b1775698d5
uniform ngx_directio_on/off() interface with other file functions
Igor Sysoev <igor@sysoev.ru>
parents:
3163
diff
changeset
|
833 return NGX_FILE_ERROR; |
2129 | 834 } |
835 | |
836 return fcntl(fd, F_SETFL, flags | O_DIRECT); | |
837 } | |
838 | |
2248
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disable directio for unaligned reads in Linux
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parents:
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diff
changeset
|
839 |
1adec90a0e46
disable directio for unaligned reads in Linux
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diff
changeset
|
840 ngx_int_t |
1adec90a0e46
disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
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2234
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841 ngx_directio_off(ngx_fd_t fd) |
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842 { |
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843 int flags; |
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844 |
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845 flags = fcntl(fd, F_GETFL); |
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parents:
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846 |
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847 if (flags == -1) { |
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848 return NGX_FILE_ERROR; |
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849 } |
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parents:
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850 |
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851 return fcntl(fd, F_SETFL, flags & ~O_DIRECT); |
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parents:
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852 } |
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parents:
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853 |
2129 | 854 #endif |
2615 | 855 |
856 | |
857 #if (NGX_HAVE_STATFS) | |
858 | |
859 size_t | |
860 ngx_fs_bsize(u_char *name) | |
861 { | |
862 struct statfs fs; | |
863 | |
864 if (statfs((char *) name, &fs) == -1) { | |
865 return 512; | |
866 } | |
867 | |
868 if ((fs.f_bsize % 512) != 0) { | |
869 return 512; | |
870 } | |
871 | |
872 return (size_t) fs.f_bsize; | |
873 } | |
874 | |
875 #elif (NGX_HAVE_STATVFS) | |
876 | |
877 size_t | |
878 ngx_fs_bsize(u_char *name) | |
879 { | |
880 struct statvfs fs; | |
881 | |
882 if (statvfs((char *) name, &fs) == -1) { | |
883 return 512; | |
884 } | |
885 | |
886 if ((fs.f_frsize % 512) != 0) { | |
887 return 512; | |
888 } | |
889 | |
890 return (size_t) fs.f_frsize; | |
891 } | |
892 | |
893 #else | |
894 | |
895 size_t | |
896 ngx_fs_bsize(u_char *name) | |
897 { | |
898 return 512; | |
899 } | |
900 | |
901 #endif |