Mercurial > hg > nginx
annotate src/core/ngx_log.h @ 5763:09e734739e46
Style: use ngx_strlen() instead of strlen().
author | Tatsuhiko Kubo <cubicdaiya@gmail.com> |
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date | Wed, 09 Jul 2014 23:20:40 +0900 |
parents | 777202558122 |
children | 727177743c3c |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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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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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 typedef void (*ngx_log_writer_pt) (ngx_log_t *log, ngx_uint_t level, |
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47 u_char *buf, size_t len); |
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50 struct ngx_log_s { |
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51 ngx_uint_t log_level; |
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52 ngx_open_file_t *file; |
483 | 53 |
495 | 54 ngx_atomic_uint_t connection; |
483 | 55 |
56 ngx_log_handler_pt handler; | |
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57 void *data; |
483 | 58 |
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59 ngx_log_writer_pt writer; |
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60 void *wdata; |
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483 | 62 /* |
63 * we declare "action" as "char *" because the actions are usually | |
64 * the static strings and in the "u_char *" case we have to override | |
65 * their types all the time | |
66 */ | |
67 | |
68 char *action; | |
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69 |
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70 ngx_log_t *next; |
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71 }; |
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461 | 73 |
74 #define NGX_MAX_ERROR_STR 2048 | |
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75 |
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77 /*********************************/ |
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79 #if (NGX_HAVE_C99_VARIADIC_MACROS) |
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80 |
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81 #define NGX_HAVE_VARIADIC_MACROS 1 |
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82 |
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83 #define ngx_log_error(level, log, ...) \ |
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84 if ((log)->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__) |
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85 |
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86 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
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87 const char *fmt, ...); |
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88 |
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89 #define ngx_log_debug(level, log, ...) \ |
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90 if ((log)->log_level & level) \ |
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91 ngx_log_error_core(NGX_LOG_DEBUG, log, __VA_ARGS__) |
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92 |
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93 /*********************************/ |
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94 |
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95 #elif (NGX_HAVE_GCC_VARIADIC_MACROS) |
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455 | 97 #define NGX_HAVE_VARIADIC_MACROS 1 |
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483 | 99 #define ngx_log_error(level, log, args...) \ |
543 | 100 if ((log)->log_level >= level) ngx_log_error_core(level, log, args) |
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102 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 103 const char *fmt, ...); |
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483 | 105 #define ngx_log_debug(level, log, args...) \ |
543 | 106 if ((log)->log_level & level) \ |
483 | 107 ngx_log_error_core(NGX_LOG_DEBUG, log, args) |
108 | |
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109 /*********************************/ |
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111 #else /* NO VARIADIC MACROS */ |
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455 | 113 #define NGX_HAVE_VARIADIC_MACROS 0 |
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114 |
503 | 115 void ngx_cdecl ngx_log_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 116 const char *fmt, ...); |
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117 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 118 const char *fmt, va_list args); |
503 | 119 void ngx_cdecl ngx_log_debug_core(ngx_log_t *log, ngx_err_t err, |
120 const char *fmt, ...); | |
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123 #endif /* VARIADIC MACROS */ |
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126 /*********************************/ |
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128 #if (NGX_DEBUG) |
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455 | 130 #if (NGX_HAVE_VARIADIC_MACROS) |
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132 #define ngx_log_debug0(level, log, err, fmt) \ |
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133 ngx_log_debug(level, log, err, fmt) |
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134 |
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135 #define ngx_log_debug1(level, log, err, fmt, arg1) \ |
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136 ngx_log_debug(level, log, err, fmt, arg1) |
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137 |
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138 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \ |
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139 ngx_log_debug(level, log, err, fmt, arg1, arg2) |
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140 |
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141 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \ |
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142 ngx_log_debug(level, log, err, fmt, arg1, arg2, arg3) |
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143 |
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144 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \ |
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145 ngx_log_debug(level, log, err, fmt, arg1, arg2, arg3, arg4) |
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146 |
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147 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \ |
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148 ngx_log_debug(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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149 |
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150 #define ngx_log_debug6(level, log, err, fmt, \ |
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151 arg1, arg2, arg3, arg4, arg5, arg6) \ |
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152 ngx_log_debug(level, log, err, fmt, \ |
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153 arg1, arg2, arg3, arg4, arg5, arg6) |
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154 |
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155 #define ngx_log_debug7(level, log, err, fmt, \ |
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156 arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ |
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157 ngx_log_debug(level, log, err, fmt, \ |
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158 arg1, arg2, arg3, arg4, arg5, arg6, arg7) |
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159 |
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160 #define ngx_log_debug8(level, log, err, fmt, \ |
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161 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) \ |
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162 ngx_log_debug(level, log, err, fmt, \ |
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163 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) |
389
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164 |
515 | 165 |
201
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166 #else /* NO VARIADIC MACROS */ |
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167 |
483 | 168 #define ngx_log_debug0(level, log, err, fmt) \ |
543 | 169 if ((log)->log_level & level) \ |
201
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170 ngx_log_debug_core(log, err, fmt) |
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171 |
483 | 172 #define ngx_log_debug1(level, log, err, fmt, arg1) \ |
543 | 173 if ((log)->log_level & level) \ |
201
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174 ngx_log_debug_core(log, err, fmt, arg1) |
210
00cafae0bdf1
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175 |
483 | 176 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \ |
543 | 177 if ((log)->log_level & level) \ |
210
00cafae0bdf1
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178 ngx_log_debug_core(log, err, fmt, arg1, arg2) |
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208
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179 |
483 | 180 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \ |
543 | 181 if ((log)->log_level & level) \ |
213
f536f91e8e99
nginx-0.0.1-2003-12-19-15:45:27 import
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parents:
210
diff
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182 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3) |
f536f91e8e99
nginx-0.0.1-2003-12-19-15:45:27 import
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parents:
210
diff
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183 |
483 | 184 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \ |
543 | 185 if ((log)->log_level & level) \ |
214
e0c502f15852
nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
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213
diff
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186 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4) |
e0c502f15852
nginx-0.0.1-2003-12-22-12:40:48 import
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213
diff
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187 |
483 | 188 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \ |
543 | 189 if ((log)->log_level & level) \ |
214
e0c502f15852
nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
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190 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
e0c502f15852
nginx-0.0.1-2003-12-22-12:40:48 import
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parents:
213
diff
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191 |
483 | 192 #define ngx_log_debug6(level, log, err, fmt, \ |
193 arg1, arg2, arg3, arg4, arg5, arg6) \ | |
543 | 194 if ((log)->log_level & level) \ |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
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208
diff
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195 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6) |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
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196 |
483 | 197 #define ngx_log_debug7(level, log, err, fmt, \ |
198 arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ | |
543 | 199 if ((log)->log_level & level) \ |
483 | 200 ngx_log_debug_core(log, err, fmt, \ |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
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parents:
379
diff
changeset
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201 arg1, arg2, arg3, arg4, arg5, arg6, arg7) |
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diff
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202 |
483 | 203 #define ngx_log_debug8(level, log, err, fmt, \ |
204 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) \ | |
543 | 205 if ((log)->log_level & level) \ |
483 | 206 ngx_log_debug_core(log, err, fmt, \ |
207 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) | |
208 | |
201
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209 #endif |
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210 |
277
e91499541410
nginx-0.0.2-2004-03-03-19:14:15 import
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257
diff
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211 #else /* NO NGX_DEBUG */ |
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212 |
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213 #define ngx_log_debug0(level, log, err, fmt) |
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214 #define ngx_log_debug1(level, log, err, fmt, arg1) |
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215 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) |
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216 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) |
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217 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) |
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218 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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219 #define ngx_log_debug6(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6) |
426
3f88935a02e8
nginx-0.0.10-2004-09-14-23:39:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
417
diff
changeset
|
220 #define ngx_log_debug7(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \ |
3f88935a02e8
nginx-0.0.10-2004-09-14-23:39:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
417
diff
changeset
|
221 arg6, arg7) |
483 | 222 #define ngx_log_debug8(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \ |
223 arg6, arg7, arg8) | |
277
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224 |
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225 #endif |
201
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226 |
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227 /*********************************/ |
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228 |
2758 | 229 ngx_log_t *ngx_log_init(u_char *prefix); |
2752
2d82d3cfbfa0
change ngx_log_abort() interface
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diff
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230 void ngx_cdecl ngx_log_abort(ngx_err_t err, const char *fmt, ...); |
2743
d8316f307b6a
issue start up errors and warning on both stderr and error_log
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2722
diff
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231 void ngx_cdecl ngx_log_stderr(ngx_err_t err, const char *fmt, ...); |
2765 | 232 u_char *ngx_log_errno(u_char *buf, u_char *last, ngx_err_t err); |
5260
e088695737c3
Core: consolidated log-related code.
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233 ngx_int_t ngx_log_open_default(ngx_cycle_t *cycle); |
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Core: consolidated log-related code.
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234 ngx_int_t ngx_log_redirect_stderr(ngx_cycle_t *cycle); |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
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5260
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235 ngx_log_t *ngx_log_get_file_log(ngx_log_t *head); |
5254
7ecaa9e4bf1b
Core: support several "error_log" directives.
Vladimir Homutov <vl@nginx.com>
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4412
diff
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236 char *ngx_log_set_log(ngx_conf_t *cf, ngx_log_t **head); |
234
cd71b95716b4
nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
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218
diff
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237 |
109
a9bc21d63fe4
nginx-0.0.1-2003-07-02-18:41:17 import
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parents:
106
diff
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238 |
4283
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239 /* |
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240 * ngx_write_stderr() cannot be implemented as macro, since |
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241 * MSVC does not allow to use #ifdef inside macro parameters. |
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242 * |
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243 * ngx_write_fd() is used instead of ngx_write_console(), since |
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244 * CharToOemBuff() inside ngx_write_console() cannot be used with |
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245 * read only buffer as destination and CharToOemBuff() is not needed |
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246 * for ngx_write_stderr() anyway. |
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247 */ |
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248 static ngx_inline void |
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249 ngx_write_stderr(char *text) |
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250 { |
5763
09e734739e46
Style: use ngx_strlen() instead of strlen().
Tatsuhiko Kubo <cubicdaiya@gmail.com>
parents:
5702
diff
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|
251 (void) ngx_write_fd(ngx_stderr, text, ngx_strlen(text)); |
4283
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252 } |
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253 |
f72496073689
Introduction of simple ngx_write_stderr() instead of ngx_log_stderr()
Igor Sysoev <igor@sysoev.ru>
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3673
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254 |
100
7ebc8b7fb816
nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
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92
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255 extern ngx_module_t ngx_errlog_module; |
2743
d8316f307b6a
issue start up errors and warning on both stderr and error_log
Igor Sysoev <igor@sysoev.ru>
parents:
2722
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256 extern ngx_uint_t ngx_use_stderr; |
100
7ebc8b7fb816
nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
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257 |
7ebc8b7fb816
nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
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258 |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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259 #endif /* _NGX_LOG_H_INCLUDED_ */ |