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annotate src/os/unix/ngx_thread.h @ 6018:466bd63b63d1

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Thread pools implementation.
author Valentin Bartenev <vbart@nginx.com>
date Sat, 14 Mar 2015 17:37:07 +0300
parents 457ec43dd8d5
children fa77496b1df2
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 383
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
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4 * Copyright (C) Nginx, Inc.
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
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8 #ifndef _NGX_THREAD_H_INCLUDED_
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9 #define _NGX_THREAD_H_INCLUDED_
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5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14
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457ec43dd8d5 Renamed NGX_THREADS to NGX_OLD_THREADS because of deprecation.
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15 #if (NGX_OLD_THREADS)
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17 #define NGX_MAX_THREADS 128
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19 #if (NGX_USE_RFORK)
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d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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20 #include <ngx_freebsd_rfork_thread.h>
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23 #else /* use pthreads */
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25 #include <pthread.h>
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27 typedef pthread_t ngx_tid_t;
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29 #define ngx_thread_self() pthread_self()
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30 #define ngx_log_tid (int) ngx_thread_self()
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31
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32 #if (NGX_FREEBSD) && !(NGX_LINUXTHREADS)
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33 #define NGX_TID_T_FMT "%p"
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34 #else
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35 #define NGX_TID_T_FMT "%d"
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36 #endif
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38
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39 typedef pthread_key_t ngx_tls_key_t;
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41 #define ngx_thread_key_create(key) pthread_key_create(key, NULL)
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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42 #define ngx_thread_key_create_n "pthread_key_create()"
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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43 #define ngx_thread_set_tls pthread_setspecific
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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44 #define ngx_thread_set_tls_n "pthread_setspecific()"
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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45 #define ngx_thread_get_tls pthread_getspecific
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47
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48 #define NGX_MUTEX_LIGHT 0
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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49
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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50 typedef struct {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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51 pthread_mutex_t mutex;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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52 ngx_log_t *log;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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53 } ngx_mutex_t;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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54
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55 typedef struct {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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56 pthread_cond_t cond;
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57 ngx_log_t *log;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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58 } ngx_cond_t;
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60 #define ngx_thread_sigmask pthread_sigmask
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61 #define ngx_thread_sigmask_n "pthread_sigmask()"
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62
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63 #define ngx_thread_join(t, p) pthread_join(t, p)
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65 #define ngx_setthrtitle(n)
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d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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69 ngx_int_t ngx_mutex_trylock(ngx_mutex_t *m);
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70 void ngx_mutex_lock(ngx_mutex_t *m);
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71 void ngx_mutex_unlock(ngx_mutex_t *m);
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72
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73 #endif
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75
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76 #define ngx_thread_volatile volatile
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d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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79 typedef struct {
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80 ngx_tid_t tid;
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81 ngx_cond_t *cv;
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82 ngx_uint_t state;
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83 } ngx_thread_t;
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84
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85 #define NGX_THREAD_FREE 1
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86 #define NGX_THREAD_BUSY 2
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87 #define NGX_THREAD_EXIT 3
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88 #define NGX_THREAD_DONE 4
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89
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90 extern ngx_int_t ngx_threads_n;
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91 extern volatile ngx_thread_t ngx_threads[NGX_MAX_THREADS];
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93
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94 typedef void * ngx_thread_value_t;
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95
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96 ngx_int_t ngx_init_threads(int n, size_t size, ngx_cycle_t *cycle);
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97 ngx_err_t ngx_create_thread(ngx_tid_t *tid,
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98 ngx_thread_value_t (*func)(void *arg), void *arg, ngx_log_t *log);
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99
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100 ngx_mutex_t *ngx_mutex_init(ngx_log_t *log, ngx_uint_t flags);
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101 void ngx_mutex_destroy(ngx_mutex_t *m);
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102
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103
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780e93985b93 nginx-0.0.7-2004-06-28-20:05:02 import
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104 ngx_cond_t *ngx_cond_init(ngx_log_t *log);
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105 void ngx_cond_destroy(ngx_cond_t *cv);
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106 ngx_int_t ngx_cond_wait(ngx_cond_t *cv, ngx_mutex_t *m);
780e93985b93 nginx-0.0.7-2004-06-28-20:05:02 import
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107 ngx_int_t ngx_cond_signal(ngx_cond_t *cv);
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108
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
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109
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457ec43dd8d5 Renamed NGX_THREADS to NGX_OLD_THREADS because of deprecation.
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110 #else /* !NGX_OLD_THREADS */
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111
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112 #define ngx_thread_volatile
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113
6018
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114 #if (NGX_THREADS)
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115
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116 #include <pthread.h>
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117
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118
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119 typedef pthread_mutex_t ngx_thread_mutex_t;
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120
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121 ngx_int_t ngx_thread_mutex_create(ngx_thread_mutex_t *mtx, ngx_log_t *log);
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122 ngx_int_t ngx_thread_mutex_destroy(ngx_thread_mutex_t *mtx, ngx_log_t *log);
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123 ngx_int_t ngx_thread_mutex_lock(ngx_thread_mutex_t *mtx, ngx_log_t *log);
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124 ngx_int_t ngx_thread_mutex_unlock(ngx_thread_mutex_t *mtx, ngx_log_t *log);
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125
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126
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127 typedef pthread_cond_t ngx_thread_cond_t;
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128
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129 ngx_int_t ngx_thread_cond_create(ngx_thread_cond_t *cond, ngx_log_t *log);
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130 ngx_int_t ngx_thread_cond_destroy(ngx_thread_cond_t *cond, ngx_log_t *log);
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131 ngx_int_t ngx_thread_cond_signal(ngx_thread_cond_t *cond, ngx_log_t *log);
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132 ngx_int_t ngx_thread_cond_wait(ngx_thread_cond_t *cond, ngx_thread_mutex_t *mtx,
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133 ngx_log_t *log);
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134
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135
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136 #if (NGX_LINUX)
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137
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138 typedef pid_t ngx_tid_t;
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139 #define NGX_TID_T_FMT "%P"
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140
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141 #elif (NGX_FREEBSD)
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142
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143 typedef uint32_t ngx_tid_t;
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144 #define NGX_TID_T_FMT "%uD"
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145
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146 #elif (NGX_DARWIN)
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147
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148 typedef uint64_t ngx_tid_t;
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149 #define NGX_TID_T_FMT "%uA"
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150
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151 #else
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152
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153 typedef uint64_t ngx_tid_t;
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154 #define NGX_TID_T_FMT "%uA"
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155
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156 #endif
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157
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158 ngx_tid_t ngx_thread_tid(void);
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159
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160 #define ngx_log_tid ngx_thread_tid()
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161
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162 #else
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163
461
a88a3e4e158f nginx-0.1.5-RELEASE import
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164 #define ngx_log_tid 0
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165 #define NGX_TID_T_FMT "%d"
266
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166
6018
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167 #endif
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168
383
c05876036128 nginx-0.0.7-2004-07-08-19:17:47 import
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169 #define ngx_mutex_trylock(m) NGX_OK
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
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170 #define ngx_mutex_lock(m)
266
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171 #define ngx_mutex_unlock(m)
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172
372
c9fdfccebc49 nginx-0.0.7-2004-06-29-01:03:14 import
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173 #define ngx_cond_signal(cv)
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174
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175 #define ngx_thread_main() 1
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176
266
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177 #endif
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178
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
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179
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180 #endif /* _NGX_THREAD_H_INCLUDED_ */