Mercurial > hg > nginx-quic
annotate src/core/ngx_log.h @ 4405:618e4c2f4acd
2012 year.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 16 Jan 2012 14:31:15 +0000 |
parents | d3000365ac65 |
children | d620f497c50f |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #ifndef _NGX_LOG_H_INCLUDED_ |
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8 #define _NGX_LOG_H_INCLUDED_ |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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15 #define NGX_LOG_STDERR 0 |
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16 #define NGX_LOG_EMERG 1 |
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17 #define NGX_LOG_ALERT 2 |
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18 #define NGX_LOG_CRIT 3 |
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19 #define NGX_LOG_ERR 4 |
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20 #define NGX_LOG_WARN 5 |
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21 #define NGX_LOG_NOTICE 6 |
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22 #define NGX_LOG_INFO 7 |
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23 #define NGX_LOG_DEBUG 8 |
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25 #define NGX_LOG_DEBUG_CORE 0x010 |
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26 #define NGX_LOG_DEBUG_ALLOC 0x020 |
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27 #define NGX_LOG_DEBUG_MUTEX 0x040 |
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28 #define NGX_LOG_DEBUG_EVENT 0x080 |
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29 #define NGX_LOG_DEBUG_HTTP 0x100 |
1136 | 30 #define NGX_LOG_DEBUG_MAIL 0x200 |
645 | 31 #define NGX_LOG_DEBUG_MYSQL 0x400 |
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33 /* |
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34 * do not forget to update debug_levels[] in src/core/ngx_log.c |
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35 * after the adding a new debug level |
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36 */ |
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37 |
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38 #define NGX_LOG_DEBUG_FIRST NGX_LOG_DEBUG_CORE |
1136 | 39 #define NGX_LOG_DEBUG_LAST NGX_LOG_DEBUG_MYSQL |
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40 #define NGX_LOG_DEBUG_CONNECTION 0x80000000 |
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41 #define NGX_LOG_DEBUG_ALL 0x7ffffff0 |
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483 | 44 typedef u_char *(*ngx_log_handler_pt) (ngx_log_t *log, u_char *buf, size_t len); |
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45 |
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47 struct ngx_log_s { |
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48 ngx_uint_t log_level; |
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49 ngx_open_file_t *file; |
483 | 50 |
495 | 51 ngx_atomic_uint_t connection; |
483 | 52 |
53 ngx_log_handler_pt handler; | |
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54 void *data; |
483 | 55 |
56 /* | |
57 * we declare "action" as "char *" because the actions are usually | |
58 * the static strings and in the "u_char *" case we have to override | |
59 * their types all the time | |
60 */ | |
61 | |
62 char *action; | |
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63 }; |
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461 | 65 |
66 #define NGX_MAX_ERROR_STR 2048 | |
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67 |
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69 /*********************************/ |
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70 |
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71 #if (NGX_HAVE_C99_VARIADIC_MACROS) |
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72 |
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73 #define NGX_HAVE_VARIADIC_MACROS 1 |
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74 |
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75 #define ngx_log_error(level, log, ...) \ |
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76 if ((log)->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__) |
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77 |
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78 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
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79 const char *fmt, ...); |
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80 |
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81 #define ngx_log_debug(level, log, ...) \ |
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82 if ((log)->log_level & level) \ |
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83 ngx_log_error_core(NGX_LOG_DEBUG, log, __VA_ARGS__) |
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84 |
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85 /*********************************/ |
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86 |
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87 #elif (NGX_HAVE_GCC_VARIADIC_MACROS) |
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455 | 89 #define NGX_HAVE_VARIADIC_MACROS 1 |
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483 | 91 #define ngx_log_error(level, log, args...) \ |
543 | 92 if ((log)->log_level >= level) ngx_log_error_core(level, log, args) |
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93 |
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94 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 95 const char *fmt, ...); |
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483 | 97 #define ngx_log_debug(level, log, args...) \ |
543 | 98 if ((log)->log_level & level) \ |
483 | 99 ngx_log_error_core(NGX_LOG_DEBUG, log, args) |
100 | |
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101 /*********************************/ |
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103 #else /* NO VARIADIC MACROS */ |
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455 | 105 #define NGX_HAVE_VARIADIC_MACROS 0 |
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106 |
503 | 107 void ngx_cdecl ngx_log_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 108 const char *fmt, ...); |
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109 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 110 const char *fmt, va_list args); |
503 | 111 void ngx_cdecl ngx_log_debug_core(ngx_log_t *log, ngx_err_t err, |
112 const char *fmt, ...); | |
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113 |
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114 |
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115 #endif /* VARIADIC MACROS */ |
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116 |
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118 /*********************************/ |
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120 #if (NGX_DEBUG) |
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455 | 122 #if (NGX_HAVE_VARIADIC_MACROS) |
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123 |
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124 #define ngx_log_debug0(level, log, err, fmt) \ |
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125 ngx_log_debug(level, log, err, fmt) |
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126 |
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127 #define ngx_log_debug1(level, log, err, fmt, arg1) \ |
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128 ngx_log_debug(level, log, err, fmt, arg1) |
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129 |
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130 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \ |
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131 ngx_log_debug(level, log, err, fmt, arg1, arg2) |
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132 |
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133 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \ |
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134 ngx_log_debug(level, log, err, fmt, arg1, arg2, arg3) |
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135 |
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136 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \ |
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137 ngx_log_debug(level, log, err, fmt, arg1, arg2, arg3, arg4) |
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138 |
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139 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \ |
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140 ngx_log_debug(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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141 |
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142 #define ngx_log_debug6(level, log, err, fmt, \ |
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143 arg1, arg2, arg3, arg4, arg5, arg6) \ |
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144 ngx_log_debug(level, log, err, fmt, \ |
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145 arg1, arg2, arg3, arg4, arg5, arg6) |
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146 |
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147 #define ngx_log_debug7(level, log, err, fmt, \ |
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148 arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ |
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149 ngx_log_debug(level, log, err, fmt, \ |
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150 arg1, arg2, arg3, arg4, arg5, arg6, arg7) |
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151 |
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152 #define ngx_log_debug8(level, log, err, fmt, \ |
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153 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) \ |
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154 ngx_log_debug(level, log, err, fmt, \ |
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155 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) |
389
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156 |
515 | 157 |
201
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158 #else /* NO VARIADIC MACROS */ |
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159 |
483 | 160 #define ngx_log_debug0(level, log, err, fmt) \ |
543 | 161 if ((log)->log_level & level) \ |
201
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162 ngx_log_debug_core(log, err, fmt) |
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163 |
483 | 164 #define ngx_log_debug1(level, log, err, fmt, arg1) \ |
543 | 165 if ((log)->log_level & level) \ |
201
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166 ngx_log_debug_core(log, err, fmt, arg1) |
210
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167 |
483 | 168 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \ |
543 | 169 if ((log)->log_level & level) \ |
210
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170 ngx_log_debug_core(log, err, fmt, arg1, arg2) |
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171 |
483 | 172 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \ |
543 | 173 if ((log)->log_level & level) \ |
213
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174 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3) |
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175 |
483 | 176 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \ |
543 | 177 if ((log)->log_level & level) \ |
214
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178 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4) |
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179 |
483 | 180 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \ |
543 | 181 if ((log)->log_level & level) \ |
214
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182 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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183 |
483 | 184 #define ngx_log_debug6(level, log, err, fmt, \ |
185 arg1, arg2, arg3, arg4, arg5, arg6) \ | |
543 | 186 if ((log)->log_level & level) \ |
210
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187 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6) |
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188 |
483 | 189 #define ngx_log_debug7(level, log, err, fmt, \ |
190 arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ | |
543 | 191 if ((log)->log_level & level) \ |
483 | 192 ngx_log_debug_core(log, err, fmt, \ |
389
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193 arg1, arg2, arg3, arg4, arg5, arg6, arg7) |
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194 |
483 | 195 #define ngx_log_debug8(level, log, err, fmt, \ |
196 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) \ | |
543 | 197 if ((log)->log_level & level) \ |
483 | 198 ngx_log_debug_core(log, err, fmt, \ |
199 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) | |
200 | |
201
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201 #endif |
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202 |
277
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203 #else /* NO NGX_DEBUG */ |
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204 |
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205 #define ngx_log_debug0(level, log, err, fmt) |
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206 #define ngx_log_debug1(level, log, err, fmt, arg1) |
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207 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) |
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208 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) |
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209 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) |
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210 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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211 #define ngx_log_debug6(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6) |
426
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212 #define ngx_log_debug7(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \ |
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213 arg6, arg7) |
483 | 214 #define ngx_log_debug8(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \ |
215 arg6, arg7, arg8) | |
277
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216 |
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217 #endif |
201
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218 |
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219 /*********************************/ |
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220 |
2758 | 221 ngx_log_t *ngx_log_init(u_char *prefix); |
2785
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222 ngx_log_t *ngx_log_create(ngx_cycle_t *cycle, ngx_str_t *name); |
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223 char *ngx_log_set_levels(ngx_conf_t *cf, ngx_log_t *log); |
2752
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224 void ngx_cdecl ngx_log_abort(ngx_err_t err, const char *fmt, ...); |
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225 void ngx_cdecl ngx_log_stderr(ngx_err_t err, const char *fmt, ...); |
2765 | 226 u_char *ngx_log_errno(u_char *buf, u_char *last, ngx_err_t err); |
234
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227 |
109
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228 |
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229 /* |
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230 * ngx_write_stderr() cannot be implemented as macro, since |
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231 * MSVC does not allow to use #ifdef inside macro parameters. |
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232 * |
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233 * ngx_write_fd() is used instead of ngx_write_console(), since |
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234 * CharToOemBuff() inside ngx_write_console() cannot be used with |
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235 * read only buffer as destination and CharToOemBuff() is not needed |
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236 * for ngx_write_stderr() anyway. |
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237 */ |
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238 static ngx_inline void |
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239 ngx_write_stderr(char *text) |
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240 { |
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241 (void) ngx_write_fd(ngx_stderr, text, strlen(text)); |
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242 } |
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243 |
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244 |
100
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245 extern ngx_module_t ngx_errlog_module; |
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246 extern ngx_uint_t ngx_use_stderr; |
100
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247 |
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248 |
0
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249 #endif /* _NGX_LOG_H_INCLUDED_ */ |