Mercurial > hg > nginx-quic
annotate src/core/ngx_log.h @ 5114:a46c1cfe7263
Allow to reuse connections that wait their first request.
This should improve behavior under deficiency of connections.
Since SSL handshake usually takes significant amount of time,
we exclude connections from reusable queue during this period
to avoid premature flush of them.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Fri, 15 Mar 2013 19:49:54 +0000 |
parents | d620f497c50f |
children | 7ecaa9e4bf1b |
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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8 #ifndef _NGX_LOG_H_INCLUDED_ |
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9 #define _NGX_LOG_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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16 #define NGX_LOG_STDERR 0 |
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17 #define NGX_LOG_EMERG 1 |
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18 #define NGX_LOG_ALERT 2 |
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19 #define NGX_LOG_CRIT 3 |
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20 #define NGX_LOG_ERR 4 |
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21 #define NGX_LOG_WARN 5 |
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22 #define NGX_LOG_NOTICE 6 |
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23 #define NGX_LOG_INFO 7 |
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24 #define NGX_LOG_DEBUG 8 |
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26 #define NGX_LOG_DEBUG_CORE 0x010 |
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27 #define NGX_LOG_DEBUG_ALLOC 0x020 |
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28 #define NGX_LOG_DEBUG_MUTEX 0x040 |
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29 #define NGX_LOG_DEBUG_EVENT 0x080 |
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30 #define NGX_LOG_DEBUG_HTTP 0x100 |
1136 | 31 #define NGX_LOG_DEBUG_MAIL 0x200 |
645 | 32 #define NGX_LOG_DEBUG_MYSQL 0x400 |
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33 |
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34 /* |
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35 * do not forget to update debug_levels[] in src/core/ngx_log.c |
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36 * after the adding a new debug level |
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37 */ |
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39 #define NGX_LOG_DEBUG_FIRST NGX_LOG_DEBUG_CORE |
1136 | 40 #define NGX_LOG_DEBUG_LAST NGX_LOG_DEBUG_MYSQL |
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41 #define NGX_LOG_DEBUG_CONNECTION 0x80000000 |
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42 #define NGX_LOG_DEBUG_ALL 0x7ffffff0 |
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483 | 45 typedef u_char *(*ngx_log_handler_pt) (ngx_log_t *log, u_char *buf, size_t len); |
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46 |
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48 struct ngx_log_s { |
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49 ngx_uint_t log_level; |
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50 ngx_open_file_t *file; |
483 | 51 |
495 | 52 ngx_atomic_uint_t connection; |
483 | 53 |
54 ngx_log_handler_pt handler; | |
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55 void *data; |
483 | 56 |
57 /* | |
58 * we declare "action" as "char *" because the actions are usually | |
59 * the static strings and in the "u_char *" case we have to override | |
60 * their types all the time | |
61 */ | |
62 | |
63 char *action; | |
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64 }; |
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461 | 66 |
67 #define NGX_MAX_ERROR_STR 2048 | |
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68 |
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70 /*********************************/ |
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71 |
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72 #if (NGX_HAVE_C99_VARIADIC_MACROS) |
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73 |
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74 #define NGX_HAVE_VARIADIC_MACROS 1 |
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75 |
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76 #define ngx_log_error(level, log, ...) \ |
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77 if ((log)->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__) |
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78 |
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79 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
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80 const char *fmt, ...); |
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81 |
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82 #define ngx_log_debug(level, log, ...) \ |
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83 if ((log)->log_level & level) \ |
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84 ngx_log_error_core(NGX_LOG_DEBUG, log, __VA_ARGS__) |
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85 |
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86 /*********************************/ |
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87 |
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88 #elif (NGX_HAVE_GCC_VARIADIC_MACROS) |
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455 | 90 #define NGX_HAVE_VARIADIC_MACROS 1 |
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483 | 92 #define ngx_log_error(level, log, args...) \ |
543 | 93 if ((log)->log_level >= level) ngx_log_error_core(level, log, args) |
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95 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 96 const char *fmt, ...); |
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483 | 98 #define ngx_log_debug(level, log, args...) \ |
543 | 99 if ((log)->log_level & level) \ |
483 | 100 ngx_log_error_core(NGX_LOG_DEBUG, log, args) |
101 | |
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102 /*********************************/ |
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104 #else /* NO VARIADIC MACROS */ |
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455 | 106 #define NGX_HAVE_VARIADIC_MACROS 0 |
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107 |
503 | 108 void ngx_cdecl ngx_log_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 109 const char *fmt, ...); |
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110 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 111 const char *fmt, va_list args); |
503 | 112 void ngx_cdecl ngx_log_debug_core(ngx_log_t *log, ngx_err_t err, |
113 const char *fmt, ...); | |
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114 |
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115 |
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116 #endif /* VARIADIC MACROS */ |
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119 /*********************************/ |
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121 #if (NGX_DEBUG) |
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455 | 123 #if (NGX_HAVE_VARIADIC_MACROS) |
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124 |
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125 #define ngx_log_debug0(level, log, err, fmt) \ |
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126 ngx_log_debug(level, log, err, fmt) |
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127 |
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128 #define ngx_log_debug1(level, log, err, fmt, arg1) \ |
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129 ngx_log_debug(level, log, err, fmt, arg1) |
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130 |
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131 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \ |
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132 ngx_log_debug(level, log, err, fmt, arg1, arg2) |
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133 |
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134 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \ |
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135 ngx_log_debug(level, log, err, fmt, arg1, arg2, arg3) |
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136 |
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137 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \ |
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138 ngx_log_debug(level, log, err, fmt, arg1, arg2, arg3, arg4) |
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139 |
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140 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \ |
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141 ngx_log_debug(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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142 |
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143 #define ngx_log_debug6(level, log, err, fmt, \ |
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144 arg1, arg2, arg3, arg4, arg5, arg6) \ |
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145 ngx_log_debug(level, log, err, fmt, \ |
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146 arg1, arg2, arg3, arg4, arg5, arg6) |
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147 |
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148 #define ngx_log_debug7(level, log, err, fmt, \ |
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149 arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ |
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150 ngx_log_debug(level, log, err, fmt, \ |
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151 arg1, arg2, arg3, arg4, arg5, arg6, arg7) |
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152 |
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153 #define ngx_log_debug8(level, log, err, fmt, \ |
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154 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) \ |
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155 ngx_log_debug(level, log, err, fmt, \ |
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156 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) |
389
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157 |
515 | 158 |
201
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159 #else /* NO VARIADIC MACROS */ |
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160 |
483 | 161 #define ngx_log_debug0(level, log, err, fmt) \ |
543 | 162 if ((log)->log_level & level) \ |
201
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163 ngx_log_debug_core(log, err, fmt) |
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164 |
483 | 165 #define ngx_log_debug1(level, log, err, fmt, arg1) \ |
543 | 166 if ((log)->log_level & level) \ |
201
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167 ngx_log_debug_core(log, err, fmt, arg1) |
210
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168 |
483 | 169 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \ |
543 | 170 if ((log)->log_level & level) \ |
210
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171 ngx_log_debug_core(log, err, fmt, arg1, arg2) |
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172 |
483 | 173 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \ |
543 | 174 if ((log)->log_level & level) \ |
213
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175 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3) |
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176 |
483 | 177 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \ |
543 | 178 if ((log)->log_level & level) \ |
214
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179 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4) |
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180 |
483 | 181 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \ |
543 | 182 if ((log)->log_level & level) \ |
214
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183 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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184 |
483 | 185 #define ngx_log_debug6(level, log, err, fmt, \ |
186 arg1, arg2, arg3, arg4, arg5, arg6) \ | |
543 | 187 if ((log)->log_level & level) \ |
210
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188 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6) |
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189 |
483 | 190 #define ngx_log_debug7(level, log, err, fmt, \ |
191 arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ | |
543 | 192 if ((log)->log_level & level) \ |
483 | 193 ngx_log_debug_core(log, err, fmt, \ |
389
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194 arg1, arg2, arg3, arg4, arg5, arg6, arg7) |
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195 |
483 | 196 #define ngx_log_debug8(level, log, err, fmt, \ |
197 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) \ | |
543 | 198 if ((log)->log_level & level) \ |
483 | 199 ngx_log_debug_core(log, err, fmt, \ |
200 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) | |
201 | |
201
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202 #endif |
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203 |
277
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204 #else /* NO NGX_DEBUG */ |
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205 |
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206 #define ngx_log_debug0(level, log, err, fmt) |
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207 #define ngx_log_debug1(level, log, err, fmt, arg1) |
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208 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) |
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209 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) |
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210 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) |
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211 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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212 #define ngx_log_debug6(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6) |
426
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213 #define ngx_log_debug7(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \ |
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214 arg6, arg7) |
483 | 215 #define ngx_log_debug8(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \ |
216 arg6, arg7, arg8) | |
277
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217 |
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218 #endif |
201
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219 |
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220 /*********************************/ |
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221 |
2758 | 222 ngx_log_t *ngx_log_init(u_char *prefix); |
2785
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223 ngx_log_t *ngx_log_create(ngx_cycle_t *cycle, ngx_str_t *name); |
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224 char *ngx_log_set_levels(ngx_conf_t *cf, ngx_log_t *log); |
2752
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225 void ngx_cdecl ngx_log_abort(ngx_err_t err, const char *fmt, ...); |
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226 void ngx_cdecl ngx_log_stderr(ngx_err_t err, const char *fmt, ...); |
2765 | 227 u_char *ngx_log_errno(u_char *buf, u_char *last, ngx_err_t err); |
234
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228 |
109
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229 |
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230 /* |
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231 * ngx_write_stderr() cannot be implemented as macro, since |
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232 * MSVC does not allow to use #ifdef inside macro parameters. |
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233 * |
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234 * ngx_write_fd() is used instead of ngx_write_console(), since |
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235 * CharToOemBuff() inside ngx_write_console() cannot be used with |
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236 * read only buffer as destination and CharToOemBuff() is not needed |
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237 * for ngx_write_stderr() anyway. |
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238 */ |
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239 static ngx_inline void |
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240 ngx_write_stderr(char *text) |
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241 { |
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242 (void) ngx_write_fd(ngx_stderr, text, strlen(text)); |
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243 } |
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244 |
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245 |
100
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246 extern ngx_module_t ngx_errlog_module; |
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247 extern ngx_uint_t ngx_use_stderr; |
100
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248 |
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249 |
0
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250 #endif /* _NGX_LOG_H_INCLUDED_ */ |