Mercurial > hg > nginx
annotate src/core/ngx_log.h @ 201:267ea1d98683
nginx-0.0.1-2003-11-30-23:03:18 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 30 Nov 2003 20:03:18 +0000 |
parents | 71ce40b3c37b |
children | 0b67be7d4489 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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1 #ifndef _NGX_LOG_H_INCLUDED_ |
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2 #define _NGX_LOG_H_INCLUDED_ |
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3 |
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5 #include <ngx_config.h> |
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6 #include <ngx_core.h> |
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9 #define NGX_LOG_STDERR 0 |
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10 #define NGX_LOG_EMERG 1 |
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11 #define NGX_LOG_ALERT 2 |
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12 #define NGX_LOG_CRIT 3 |
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13 #define NGX_LOG_ERR 4 |
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14 #define NGX_LOG_WARN 5 |
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15 #define NGX_LOG_NOTICE 6 |
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16 #define NGX_LOG_INFO 7 |
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17 #define NGX_LOG_DEBUG 8 |
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18 |
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19 #define NGX_LOG_DEBUG_HTTP 0x80 |
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21 |
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22 /* |
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23 "[%time] [%level] %pid#%tid: %message:(%errno)%errstr, while %action" |
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24 " %peer and while processing %context" |
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25 |
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26 ---- |
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27 message = "recv() failed"; |
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28 errno = 32; |
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29 action = "reading request headers from client"; |
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30 peer = "192.168.1.1"; |
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31 context = "URL /" |
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32 |
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33 "[2002/08/20 12:00:00] [error] 412#3: recv() failed (32: Broken pipe)" |
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34 " while reading request headers from client 192.168.1.1" |
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35 " and while processing URL /" |
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36 |
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37 ---- |
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38 message = "recv() failed"; |
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39 errno = 32; |
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40 ngx_http_proxy_error_context_t: |
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41 action = "reading headers from server %s for client %s and " |
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42 "while processing %s" |
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43 backend = "127.0.0.1"; |
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44 peer = "192.168.1.1"; |
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45 context = "URL /" |
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46 |
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47 "[2002/08/20 12:00:00] [error] 412#3: recv() failed (32: Broken pipe)" |
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48 " while reading headers from backend 127.0.0.1" |
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49 " for client 192.168.1.1 and while processing URL /" |
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50 |
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51 ---- |
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52 "[alert] 412#3: ngx_alloc: malloc() 102400 bytes failed (12: Cannot " |
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53 "allocate memory) while reading request headers from client 192.168.1.1" |
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54 " and while processing URL /" |
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55 |
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56 |
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57 OLD: |
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58 "... while ", action = "reading client request headers" |
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59 "... while reading client request headers" |
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60 "... while ", action = "reading client request headers" |
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61 context: pop3 user account |
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62 "... while reading client command for 'john_doe'" |
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63 */ |
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64 |
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65 |
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66 typedef size_t (*ngx_log_handler_pt) (void *ctx, char *buf, size_t len); |
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67 |
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69 struct ngx_log_s { |
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70 int log_level; |
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71 ngx_open_file_t *file; |
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72 void *data; |
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73 ngx_log_handler_pt handler; |
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74 }; |
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75 |
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76 #define MAX_ERROR_STR 2048 |
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77 |
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78 #define _ , |
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79 |
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80 |
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81 /*********************************/ |
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83 #if (HAVE_GCC_VARIADIC_MACROS) |
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84 |
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85 #define HAVE_VARIADIC_MACROS 1 |
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86 |
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87 #define ngx_log_error(level, log, args...) \ |
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88 if (log->log_level >= level) ngx_log_error_core(level, log, args) |
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89 |
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90 #if (NGX_DEBUG) |
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91 #define ngx_log_debug(log, args...) \ |
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92 if (log->log_level & NGX_LOG_DEBUG) \ |
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93 ngx_log_error_core(NGX_LOG_DEBUG, log, 0, args) |
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94 #else |
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95 #define ngx_log_debug(log, args...) |
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96 #endif |
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97 |
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98 #define ngx_assert(assert, fallback, log, args...) \ |
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99 if (!(assert)) { \ |
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100 if (log->log_level >= NGX_LOG_ALERT) \ |
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101 ngx_log_error_core(NGX_LOG_ALERT, log, 0, args); \ |
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102 fallback; \ |
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103 } |
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104 |
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105 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, |
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106 const char *fmt, ...); |
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107 |
201
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108 /*********************************/ |
92
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109 |
0
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110 #elif (HAVE_C99_VARIADIC_MACROS) |
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111 |
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112 #define HAVE_VARIADIC_MACROS 1 |
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113 |
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114 #define ngx_log_error(level, log, ...) \ |
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115 if (log->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__) |
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116 |
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117 #if (NGX_DEBUG) |
0
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118 #define ngx_log_debug(log, ...) \ |
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119 if (log->log_level == NGX_LOG_DEBUG) \ |
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120 ngx_log_error_core(NGX_LOG_DEBUG, log, 0, __VA_ARGS__) |
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121 #else |
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122 #define ngx_log_debug(log, ...) |
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123 #endif |
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124 |
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125 #define ngx_assert(assert, fallback, log, ...) \ |
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126 if (!(assert)) { \ |
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127 if (log->log_level >= NGX_LOG_ALERT) \ |
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128 ngx_log_error_core(NGX_LOG_ALERT, log, 0, __VA_ARGS__); \ |
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129 fallback; \ |
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130 } |
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131 |
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132 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, |
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133 const char *fmt, ...); |
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134 |
201
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135 /*********************************/ |
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136 |
0
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137 #else /* NO VARIADIC MACROS */ |
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138 |
201
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139 #define HAVE_VARIADIC_MACROS 0 |
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140 |
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141 #if (NGX_DEBUG) |
0
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142 #define ngx_log_debug(log, text) \ |
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143 if (log->log_level == NGX_LOG_DEBUG) \ |
201
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144 ngx_log_debug_core(log, 0, text) |
0
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145 #else |
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146 #define ngx_log_debug(log, text) |
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147 #endif |
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148 |
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149 #define ngx_assert(assert, fallback, log, text) \ |
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150 if (!(assert)) { \ |
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151 if (log->log_level >= NGX_LOG_ALERT) \ |
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152 ngx_assert_core(log, text); \ |
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153 fallback; \ |
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154 } |
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155 |
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156 void ngx_log_error(int level, ngx_log_t *log, ngx_err_t err, |
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157 const char *fmt, ...); |
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158 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, |
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159 const char *fmt, va_list args); |
201
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160 void ngx_log_debug_core(ngx_log_t *log, ngx_err_t err, const char *fmt, ...); |
0
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161 void ngx_assert_core(ngx_log_t *log, const char *fmt, ...); |
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162 |
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163 |
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164 #endif /* VARIADIC MACROS */ |
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165 |
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166 |
201
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167 /*********************************/ |
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168 |
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169 #if (HAVE_VARIADIC_MACROS) |
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170 |
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171 #if (NGX_DEBUG) |
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172 #define ngx_log_debug0(level, log, err, fmt) \ |
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173 if (log->log_level & level) \ |
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174 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt) |
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175 #else |
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176 #define ngx_log_debug0(level, log, err, fmt) |
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177 #endif |
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178 |
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179 #if (NGX_DEBUG) |
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180 #define ngx_log_debug1(level, log, err, fmt, arg1) \ |
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181 if (log->log_level & level) \ |
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182 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1) |
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183 #else |
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184 #define ngx_log_debug1(level, log, err, fmt, arg1) |
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185 #endif |
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186 |
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187 /*********************************/ |
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188 |
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189 #else /* NO VARIADIC MACROS */ |
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190 |
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191 #if (NGX_DEBUG) |
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192 #define ngx_log_debug0(level, log, err, fmt) \ |
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193 if (log->log_level & level) \ |
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194 ngx_log_debug_core(log, err, fmt) |
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195 #else |
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196 #define ngx_log_debug0(level, log, err, fmt) |
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197 #endif |
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198 |
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199 #if (NGX_DEBUG) |
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200 #define ngx_log_debug1(level, log, err, fmt, arg1) \ |
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201 if (log->log_level & level) \ |
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202 ngx_log_debug_core(log, err, fmt, arg1) |
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203 #else |
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204 #define ngx_log_debug1(level, log, err, fmt, arg1) |
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205 #endif |
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206 #endif |
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207 |
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208 |
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209 /*********************************/ |
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210 |
105
00bee6e7b485
nginx-0.0.1-2003-06-15-22:32:13 import
Igor Sysoev <igor@sysoev.ru>
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100
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211 #define ngx_log_alloc_log(pool, log) ngx_palloc(pool, log, sizeof(ngx_log_t)) |
00bee6e7b485
nginx-0.0.1-2003-06-15-22:32:13 import
Igor Sysoev <igor@sysoev.ru>
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212 #define ngx_log_copy_log(new, old) ngx_memcpy(new, old, sizeof(ngx_log_t)) |
00bee6e7b485
nginx-0.0.1-2003-06-15-22:32:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
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changeset
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213 |
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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214 ngx_log_t *ngx_log_init_errlog(); |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
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113
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215 ngx_log_t *ngx_log_create_errlog(ngx_cycle_t *cycle, ngx_str_t *name); |
109
a9bc21d63fe4
nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
106
diff
changeset
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216 |
100
7ebc8b7fb816
nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
diff
changeset
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217 |
7ebc8b7fb816
nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
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218 extern ngx_module_t ngx_errlog_module; |
7ebc8b7fb816
nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
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219 |
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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220 |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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221 #endif /* _NGX_LOG_H_INCLUDED_ */ |