annotate src/core/ngx_log.h @ 109:a9bc21d63fe4

nginx-0.0.1-2003-07-02-18:41:17 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 02 Jul 2003 14:41:17 +0000
parents 9f9de4deda7e
children d7f606e25b99
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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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7
0
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8
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9 typedef enum {
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10 NGX_LOG_STDERR = 0,
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11 NGX_LOG_EMERG,
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12 NGX_LOG_ALERT,
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13 NGX_LOG_CRIT,
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14 NGX_LOG_ERR,
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15 NGX_LOG_WARN,
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16 NGX_LOG_NOTICE,
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17 NGX_LOG_INFO,
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18 NGX_LOG_DEBUG
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19 } ngx_log_e;
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20
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21
0
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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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26 ----
3
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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)"
3
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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 /"
3
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57 OLD:
0
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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 struct {
106
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67 int log_level;
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68 ngx_open_file_t *file;
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69 void *data;
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70 size_t (*handler)(void *ctx, char *buf, size_t len);
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71
105
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72 #if 0
6
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73 /* STUB */
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74 char *action;
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75 char *context;
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76 /* */
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77 #endif
0
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78 } ngx_log_t;
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79
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80 #define MAX_ERROR_STR 2048
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81
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82 #define _ ,
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83
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84
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85 #if (HAVE_GCC_VARIADIC_MACROS)
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86
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87 #define HAVE_VARIADIC_MACROS 1
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88
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89 #define ngx_log_error(level, log, args...) \
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90 if (log->log_level >= level) ngx_log_error_core(level, log, args)
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91
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92 #if (NGX_DEBUG)
0
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93 #define ngx_log_debug(log, args...) \
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94 if (log->log_level == NGX_LOG_DEBUG) \
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95 ngx_log_error_core(NGX_LOG_DEBUG, log, 0, args)
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96 #else
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97 #define ngx_log_debug(log, args...)
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98 #endif
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99
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100 #define ngx_assert(assert, fallback, log, args...) \
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101 if (!(assert)) { \
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102 if (log->log_level >= NGX_LOG_ALERT) \
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103 ngx_log_error_core(NGX_LOG_ALERT, log, 0, args); \
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104 fallback; \
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105 }
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106
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107 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err,
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108 const char *fmt, ...);
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109
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110
0
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111 #elif (HAVE_C99_VARIADIC_MACROS)
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112
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113 #define HAVE_VARIADIC_MACROS 1
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114
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115 #define ngx_log_error(level, log, ...) \
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116 if (log->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__)
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117
4
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118 #if (NGX_DEBUG)
0
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119 #define ngx_log_debug(log, ...) \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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120 if (log->log_level == NGX_LOG_DEBUG) \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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121 ngx_log_error_core(NGX_LOG_DEBUG, log, 0, __VA_ARGS__)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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122 #else
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123 #define ngx_log_debug(log, ...)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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124 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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125
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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126 #define ngx_assert(assert, fallback, log, ...) \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 if (!(assert)) { \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 if (log->log_level >= NGX_LOG_ALERT) \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 ngx_log_error_core(NGX_LOG_ALERT, log, 0, __VA_ARGS__); \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 fallback; \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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133 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134 const char *fmt, ...);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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135
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 57
diff changeset
136
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 #else /* NO VARIADIC MACROS */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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138
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139 #include <stdarg.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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140
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
141 #if (NGX_DEBUG)
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142 #define ngx_log_debug(log, text) \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143 if (log->log_level == NGX_LOG_DEBUG) \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144 ngx_log_debug_core(log, text)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145 #else
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 #define ngx_log_debug(log, text)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 #define ngx_assert(assert, fallback, log, text) \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 if (!(assert)) { \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 if (log->log_level >= NGX_LOG_ALERT) \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 ngx_assert_core(log, text); \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 fallback; \
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 void ngx_log_error(int level, ngx_log_t *log, ngx_err_t err,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 const char *fmt, ...);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159 const char *fmt, va_list args);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160 void ngx_log_debug_core(ngx_log_t *log, const char *fmt, ...);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 void ngx_assert_core(ngx_log_t *log, const char *fmt, ...);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164 #endif /* VARIADIC MACROS */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166
105
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 100
diff changeset
167 #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>
parents: 100
diff changeset
168 #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
diff changeset
169
100
7ebc8b7fb816 nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 92
diff changeset
170 ngx_log_t *ngx_log_init_errlog();
109
a9bc21d63fe4 nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 106
diff changeset
171 ngx_log_t *ngx_log_create_errlog(ngx_cycle_t *cycle);
a9bc21d63fe4 nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 106
diff changeset
172
100
7ebc8b7fb816 nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 92
diff changeset
173 char *ngx_log_set_errlog(ngx_conf_t *cf, ngx_command_t *cmd, ngx_log_t *log);
7ebc8b7fb816 nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 92
diff changeset
174
7ebc8b7fb816 nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 92
diff changeset
175
7ebc8b7fb816 nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 92
diff changeset
176 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
diff changeset
177
7ebc8b7fb816 nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 92
diff changeset
178
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 #endif /* _NGX_LOG_H_INCLUDED_ */