Mercurial > hg > nginx
annotate src/core/ngx_thread_pool.c @ 6018:466bd63b63d1
Thread pools implementation.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Sat, 14 Mar 2015 17:37:07 +0300 |
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children | 32099b107191 |
rev | line source |
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6018
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1 |
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 * Copyright (C) Valentin V. Bartenev |
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5 * Copyright (C) Ruslan Ermilov |
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6 */ |
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7 |
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8 |
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9 #include <ngx_config.h> |
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10 #include <ngx_core.h> |
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11 #include <ngx_thread_pool.h> |
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12 |
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13 |
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14 typedef struct { |
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15 ngx_array_t pools; |
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16 } ngx_thread_pool_conf_t; |
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17 |
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18 |
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19 typedef struct { |
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20 ngx_thread_mutex_t mtx; |
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21 ngx_uint_t count; |
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22 ngx_thread_task_t *first; |
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23 ngx_thread_task_t **last; |
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24 } ngx_thread_pool_queue_t; |
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25 |
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26 |
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27 struct ngx_thread_pool_s { |
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28 ngx_thread_cond_t cond; |
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29 |
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30 ngx_thread_pool_queue_t queue; |
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31 |
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32 ngx_log_t *log; |
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33 ngx_pool_t *pool; |
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34 |
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35 ngx_str_t name; |
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36 ngx_uint_t threads; |
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37 ngx_uint_t max_queue; |
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38 |
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39 u_char *file; |
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40 ngx_uint_t line; |
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41 }; |
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42 |
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43 |
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44 static ngx_int_t ngx_thread_pool_init(ngx_thread_pool_t *tp, ngx_log_t *log, |
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45 ngx_pool_t *pool); |
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46 static ngx_int_t ngx_thread_pool_queue_init(ngx_thread_pool_queue_t *queue, |
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47 ngx_log_t *log); |
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48 static ngx_int_t ngx_thread_pool_queue_destroy(ngx_thread_pool_queue_t *queue, |
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49 ngx_log_t *log); |
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50 static void ngx_thread_pool_destroy(ngx_thread_pool_t *tp); |
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51 |
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52 static void *ngx_thread_pool_cycle(void *data); |
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53 static void ngx_thread_pool_handler(ngx_event_t *ev); |
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54 |
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55 static char *ngx_thread_pool(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
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56 |
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57 static void *ngx_thread_pool_create_conf(ngx_cycle_t *cycle); |
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58 static char *ngx_thread_pool_init_conf(ngx_cycle_t *cycle, void *conf); |
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59 |
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60 static ngx_int_t ngx_thread_pool_init_worker(ngx_cycle_t *cycle); |
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61 static void ngx_thread_pool_exit_worker(ngx_cycle_t *cycle); |
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62 |
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63 |
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64 static ngx_command_t ngx_thread_pool_commands[] = { |
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65 |
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66 { ngx_string("thread_pool"), |
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67 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE23, |
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68 ngx_thread_pool, |
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69 0, |
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70 0, |
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71 NULL }, |
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72 |
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73 ngx_null_command |
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74 }; |
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75 |
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76 |
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77 static ngx_core_module_t ngx_thread_pool_module_ctx = { |
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78 ngx_string("thread_pool"), |
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79 ngx_thread_pool_create_conf, |
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80 ngx_thread_pool_init_conf |
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81 }; |
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82 |
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83 |
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84 ngx_module_t ngx_thread_pool_module = { |
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85 NGX_MODULE_V1, |
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86 &ngx_thread_pool_module_ctx, /* module context */ |
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87 ngx_thread_pool_commands, /* module directives */ |
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88 NGX_CORE_MODULE, /* module type */ |
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89 NULL, /* init master */ |
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90 NULL, /* init module */ |
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91 ngx_thread_pool_init_worker, /* init process */ |
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92 NULL, /* init thread */ |
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93 NULL, /* exit thread */ |
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94 ngx_thread_pool_exit_worker, /* exit process */ |
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95 NULL, /* exit master */ |
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96 NGX_MODULE_V1_PADDING |
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97 }; |
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98 |
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99 |
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100 static ngx_str_t ngx_thread_pool_default = ngx_string("default"); |
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101 |
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102 static ngx_uint_t ngx_thread_pool_task_id; |
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103 static ngx_thread_pool_queue_t ngx_thread_pool_done; |
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104 |
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105 |
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106 static ngx_int_t |
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107 ngx_thread_pool_init(ngx_thread_pool_t *tp, ngx_log_t *log, ngx_pool_t *pool) |
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108 { |
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109 int err; |
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110 pthread_t tid; |
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111 ngx_uint_t n; |
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112 pthread_attr_t attr; |
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113 |
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114 if (ngx_notify == NULL) { |
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115 ngx_log_error(NGX_LOG_ALERT, log, 0, |
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116 "the configured event method cannot be used with thread pools"); |
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117 return NGX_ERROR; |
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118 } |
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119 |
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120 if (ngx_thread_pool_queue_init(&tp->queue, log) != NGX_OK) { |
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121 return NGX_ERROR; |
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122 } |
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123 |
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124 if (ngx_thread_cond_create(&tp->cond, log) != NGX_OK) { |
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125 (void) ngx_thread_pool_queue_destroy(&tp->queue, log); |
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126 return NGX_ERROR; |
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127 } |
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128 |
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129 tp->log = log; |
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130 tp->pool = pool; |
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131 |
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132 err = pthread_attr_init(&attr); |
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133 if (err) { |
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134 ngx_log_error(NGX_LOG_ALERT, log, err, |
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135 "pthread_attr_init() failed"); |
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136 return NGX_ERROR; |
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137 } |
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138 |
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139 #if 0 |
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140 err = pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); |
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141 if (err) { |
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142 ngx_log_error(NGX_LOG_ALERT, log, err, |
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143 "pthread_attr_setstacksize() failed"); |
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144 return NGX_ERROR; |
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145 } |
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146 #endif |
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147 |
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148 for (n = 0; n < tp->threads; n++) { |
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149 err = pthread_create(&tid, &attr, ngx_thread_pool_cycle, tp); |
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150 if (err) { |
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151 ngx_log_error(NGX_LOG_ALERT, log, err, |
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152 "pthread_create() failed"); |
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153 return NGX_ERROR; |
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154 } |
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155 } |
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156 |
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157 (void) pthread_attr_destroy(&attr); |
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158 |
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159 return NGX_OK; |
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160 } |
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161 |
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162 |
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163 static ngx_int_t |
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164 ngx_thread_pool_queue_init(ngx_thread_pool_queue_t *queue, ngx_log_t *log) |
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165 { |
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166 queue->count = 0; |
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167 queue->first = NULL; |
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168 queue->last = &queue->first; |
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169 |
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170 return ngx_thread_mutex_create(&queue->mtx, log); |
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171 } |
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172 |
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173 |
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174 static ngx_int_t |
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175 ngx_thread_pool_queue_destroy(ngx_thread_pool_queue_t *queue, ngx_log_t *log) |
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176 { |
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177 return ngx_thread_mutex_destroy(&queue->mtx, log); |
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178 } |
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179 |
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180 |
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181 static void |
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182 ngx_thread_pool_destroy(ngx_thread_pool_t *tp) |
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183 { |
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184 /* TODO: exit threads */ |
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185 |
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186 (void) ngx_thread_cond_destroy(&tp->cond, tp->log); |
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187 (void) ngx_thread_pool_queue_destroy(&tp->queue, tp->log); |
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188 } |
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189 |
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190 |
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191 ngx_thread_task_t * |
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192 ngx_thread_task_alloc(ngx_pool_t *pool, size_t size) |
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193 { |
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194 ngx_thread_task_t *task; |
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195 |
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196 task = ngx_pcalloc(pool, sizeof(ngx_thread_task_t) + size); |
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197 if (task == NULL) { |
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198 return NULL; |
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199 } |
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200 |
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201 task->ctx = task + 1; |
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202 |
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203 return task; |
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204 } |
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205 |
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206 |
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207 ngx_int_t |
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208 ngx_thread_task_post(ngx_thread_pool_t *tp, ngx_thread_task_t *task) |
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209 { |
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210 if (task->event.active) { |
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211 ngx_log_error(NGX_LOG_ALERT, tp->log, 0, |
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212 "task #%ui already active", task->id); |
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213 return NGX_ERROR; |
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214 } |
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215 |
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216 if (ngx_thread_mutex_lock(&tp->queue.mtx, tp->log) != NGX_OK) { |
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217 return NGX_ERROR; |
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|
218 } |
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219 |
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220 if (tp->queue.count >= tp->max_queue) { |
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221 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log); |
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222 |
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223 ngx_log_error(NGX_LOG_ERR, tp->log, 0, |
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224 "thread pool \"%V\" queue overflow: %ui tasks waiting", |
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Thread pools implementation.
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|
225 &tp->name, tp->queue.count); |
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Thread pools implementation.
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|
226 return NGX_ERROR; |
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Thread pools implementation.
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|
227 } |
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228 |
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229 task->event.active = 1; |
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Thread pools implementation.
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230 |
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231 task->id = ngx_thread_pool_task_id++; |
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232 task->next = NULL; |
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233 |
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234 if (ngx_thread_cond_signal(&tp->cond, tp->log) != NGX_OK) { |
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235 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log); |
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236 return NGX_ERROR; |
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Thread pools implementation.
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|
237 } |
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Thread pools implementation.
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|
238 |
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|
239 *tp->queue.last = task; |
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Thread pools implementation.
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|
240 tp->queue.last = &task->next; |
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Thread pools implementation.
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|
241 |
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|
242 tp->queue.count++; |
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Thread pools implementation.
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|
243 |
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244 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log); |
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245 |
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|
246 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0, |
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|
247 "task #%ui added to thread pool \"%V\"", |
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Thread pools implementation.
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|
248 task->id, &tp->name); |
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|
249 |
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|
250 return NGX_OK; |
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Thread pools implementation.
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|
251 } |
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252 |
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|
253 |
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|
254 static void * |
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Thread pools implementation.
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|
255 ngx_thread_pool_cycle(void *data) |
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Thread pools implementation.
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|
256 { |
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Thread pools implementation.
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|
257 ngx_thread_pool_t *tp = data; |
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|
258 |
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|
259 int err; |
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Thread pools implementation.
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|
260 sigset_t set; |
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Thread pools implementation.
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|
261 ngx_thread_task_t *task; |
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Thread pools implementation.
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|
262 |
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Thread pools implementation.
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changeset
|
263 #if 0 |
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Thread pools implementation.
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|
264 ngx_time_update(); |
466bd63b63d1
Thread pools implementation.
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changeset
|
265 #endif |
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|
266 |
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|
267 ngx_log_debug1(NGX_LOG_DEBUG_CORE, tp->log, 0, |
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changeset
|
268 "thread in pool \"%V\" started", &tp->name); |
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Thread pools implementation.
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|
269 |
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changeset
|
270 sigfillset(&set); |
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Thread pools implementation.
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|
271 |
466bd63b63d1
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|
272 sigdelset(&set, SIGILL); |
466bd63b63d1
Thread pools implementation.
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|
273 sigdelset(&set, SIGFPE); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
274 sigdelset(&set, SIGSEGV); |
466bd63b63d1
Thread pools implementation.
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|
275 sigdelset(&set, SIGBUS); |
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Thread pools implementation.
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|
276 |
466bd63b63d1
Thread pools implementation.
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|
277 err = pthread_sigmask(SIG_BLOCK, &set, NULL); |
466bd63b63d1
Thread pools implementation.
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|
278 if (err) { |
466bd63b63d1
Thread pools implementation.
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|
279 ngx_log_error(NGX_LOG_ALERT, tp->log, err, "pthread_sigmask() failed"); |
466bd63b63d1
Thread pools implementation.
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parents:
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|
280 return NULL; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
281 } |
466bd63b63d1
Thread pools implementation.
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parents:
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|
282 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
283 for ( ;; ) { |
466bd63b63d1
Thread pools implementation.
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parents:
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changeset
|
284 if (ngx_thread_mutex_lock(&tp->queue.mtx, tp->log) != NGX_OK) { |
466bd63b63d1
Thread pools implementation.
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parents:
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changeset
|
285 return NULL; |
466bd63b63d1
Thread pools implementation.
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|
286 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
287 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
288 while (tp->queue.count == 0) { |
466bd63b63d1
Thread pools implementation.
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parents:
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|
289 if (ngx_thread_cond_wait(&tp->cond, &tp->queue.mtx, tp->log) |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
290 != NGX_OK) |
466bd63b63d1
Thread pools implementation.
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parents:
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|
291 { |
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Thread pools implementation.
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parents:
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|
292 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log); |
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Thread pools implementation.
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parents:
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|
293 return NULL; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
294 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
295 } |
466bd63b63d1
Thread pools implementation.
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parents:
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|
296 |
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Thread pools implementation.
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parents:
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|
297 tp->queue.count--; |
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Thread pools implementation.
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|
298 |
466bd63b63d1
Thread pools implementation.
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parents:
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|
299 task = tp->queue.first; |
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Thread pools implementation.
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parents:
diff
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300 tp->queue.first = task->next; |
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Thread pools implementation.
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parents:
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|
301 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
302 if (tp->queue.first == NULL) { |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
303 tp->queue.last = &tp->queue.first; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
304 } |
466bd63b63d1
Thread pools implementation.
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parents:
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|
305 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
306 if (ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log) != NGX_OK) { |
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Thread pools implementation.
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parents:
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|
307 return NULL; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
308 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
309 |
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Thread pools implementation.
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parents:
diff
changeset
|
310 #if 0 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
311 ngx_time_update(); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
312 #endif |
466bd63b63d1
Thread pools implementation.
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|
313 |
466bd63b63d1
Thread pools implementation.
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parents:
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|
314 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0, |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
315 "run task #%ui in thread pool \"%V\"", |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
316 task->id, &tp->name); |
466bd63b63d1
Thread pools implementation.
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parents:
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|
317 |
466bd63b63d1
Thread pools implementation.
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parents:
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|
318 task->handler(task->ctx, tp->log); |
466bd63b63d1
Thread pools implementation.
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parents:
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|
319 |
466bd63b63d1
Thread pools implementation.
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parents:
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changeset
|
320 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0, |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
321 "complete task #%ui in thread pool \"%V\"", |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
322 task->id, &tp->name); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
323 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
324 task->next = NULL; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
325 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
326 if (ngx_thread_mutex_lock(&ngx_thread_pool_done.mtx, tp->log) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
327 != NGX_OK) |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
328 { |
466bd63b63d1
Thread pools implementation.
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parents:
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|
329 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
330 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
331 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
332 *ngx_thread_pool_done.last = task; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
333 ngx_thread_pool_done.last = &task->next; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
334 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
335 if (ngx_thread_mutex_unlock(&ngx_thread_pool_done.mtx, tp->log) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
336 != NGX_OK) |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
337 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
338 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
339 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
340 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
341 (void) ngx_notify(ngx_thread_pool_handler); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
342 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
343 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
344 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
345 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
346 static void |
466bd63b63d1
Thread pools implementation.
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parents:
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changeset
|
347 ngx_thread_pool_handler(ngx_event_t *ev) |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
348 { |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
349 ngx_event_t *event; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
350 ngx_thread_task_t *task; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
351 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
352 ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "thread pool handler"); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
353 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
354 if (ngx_thread_mutex_lock(&ngx_thread_pool_done.mtx, ev->log) != NGX_OK) { |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
355 return; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
356 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
357 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
358 task = ngx_thread_pool_done.first; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
359 ngx_thread_pool_done.first = NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
360 ngx_thread_pool_done.last = &ngx_thread_pool_done.first; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
361 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
362 if (ngx_thread_mutex_unlock(&ngx_thread_pool_done.mtx, ev->log) != NGX_OK) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
363 return; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
364 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
365 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
366 while (task) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
367 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
368 "run completion handler for task #%ui", task->id); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
369 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
370 event = &task->event; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
371 task = task->next; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
372 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
373 event->complete = 1; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
374 event->active = 0; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
375 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
376 event->handler(event); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
377 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
378 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
379 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
380 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
381 static void * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
382 ngx_thread_pool_create_conf(ngx_cycle_t *cycle) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
383 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
384 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
385 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
386 tcf = ngx_pcalloc(cycle->pool, sizeof(ngx_thread_pool_conf_t)); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
387 if (tcf == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
388 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
389 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
390 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
391 if (ngx_array_init(&tcf->pools, cycle->pool, 4, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
392 sizeof(ngx_thread_pool_t *)) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
393 != NGX_OK) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
394 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
395 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
396 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
397 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
398 return tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
399 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
400 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
401 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
402 static char * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
403 ngx_thread_pool_init_conf(ngx_cycle_t *cycle, void *conf) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
404 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
405 ngx_thread_pool_conf_t *tcf = conf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
406 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
407 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
408 ngx_thread_pool_t **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
409 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
410 tpp = tcf->pools.elts; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
411 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
412 for (i = 0; i < tcf->pools.nelts; i++) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
413 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
414 if (tpp[i]->threads) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
415 continue; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
416 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
417 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
418 if (tpp[i]->name.len == ngx_thread_pool_default.len |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
419 && ngx_strncmp(tpp[i]->name.data, ngx_thread_pool_default.data, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
420 ngx_thread_pool_default.len) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
421 == 0) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
422 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
423 tpp[i]->threads = 32; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
424 tpp[i]->max_queue = 65536; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
425 continue; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
426 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
427 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
428 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
429 "unknown thread pool \"%V\" in %s:%ui", |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
430 &tpp[i]->name, tpp[i]->file, tpp[i]->line); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
431 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
432 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
433 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
434 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
435 return NGX_CONF_OK; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
436 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
437 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
438 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
439 static char * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
440 ngx_thread_pool(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
441 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
442 ngx_str_t *value; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
443 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
444 ngx_thread_pool_t *tp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
445 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
446 value = cf->args->elts; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
447 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
448 tp = ngx_thread_pool_add(cf, &value[1]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
449 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
450 if (tp == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
451 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
452 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
453 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
454 if (tp->threads) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
455 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
456 "duplicate thread pool \"%V\"", &tp->name); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
457 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
458 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
459 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
460 tp->max_queue = 65536; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
461 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
462 for (i = 2; i < cf->args->nelts; i++) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
463 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
464 if (ngx_strncmp(value[i].data, "threads=", 8) == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
465 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
466 tp->threads = ngx_atoi(value[i].data + 8, value[i].len - 8); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
467 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
468 if (tp->threads == (ngx_uint_t) NGX_ERROR || tp->threads == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
469 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
470 "invalid threads value \"%V\"", &value[i]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
471 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
472 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
473 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
474 continue; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
475 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
476 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
477 if (ngx_strncmp(value[i].data, "max_queue=", 10) == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
478 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
479 tp->max_queue = ngx_atoi(value[i].data + 10, value[i].len - 10); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
480 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
481 if (tp->max_queue == (ngx_uint_t) NGX_ERROR) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
482 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
483 "invalid max_queue value \"%V\"", &value[i]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
484 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
485 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
486 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
487 continue; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
488 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
489 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
490 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
491 if (tp->threads == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
492 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
493 "\"%V\" must have \"threads\" parameter", |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
494 &cmd->name); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
495 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
496 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
497 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
498 return NGX_CONF_OK; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
499 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
500 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
501 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
502 ngx_thread_pool_t * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
503 ngx_thread_pool_add(ngx_conf_t *cf, ngx_str_t *name) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
504 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
505 ngx_thread_pool_t *tp, **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
506 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
507 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
508 if (name == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
509 name = &ngx_thread_pool_default; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
510 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
511 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
512 tp = ngx_thread_pool_get(cf->cycle, name); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
513 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
514 if (tp) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
515 return tp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
516 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
517 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
518 tp = ngx_pcalloc(cf->pool, sizeof(ngx_thread_pool_t)); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
519 if (tp == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
520 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
521 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
522 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
523 tp->name = *name; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
524 tp->file = cf->conf_file->file.name.data; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
525 tp->line = cf->conf_file->line; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
526 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
527 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cf->cycle->conf_ctx, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
528 ngx_thread_pool_module); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
529 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
530 tpp = ngx_array_push(&tcf->pools); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
531 if (tpp == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
532 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
533 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
534 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
535 *tpp = tp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
536 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
537 return tp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
538 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
539 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
540 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
541 ngx_thread_pool_t * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
542 ngx_thread_pool_get(ngx_cycle_t *cycle, ngx_str_t *name) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
543 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
544 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
545 ngx_thread_pool_t **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
546 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
547 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
548 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
549 ngx_thread_pool_module); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
550 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
551 tpp = tcf->pools.elts; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
552 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
553 for (i = 0; i < tcf->pools.nelts; i++) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
554 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
555 if (tpp[i]->name.len == name->len |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
556 && ngx_strncmp(tpp[i]->name.data, name->data, name->len) == 0) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
557 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
558 return tpp[i]; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
559 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
560 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
561 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
562 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
563 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
564 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
565 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
566 static ngx_int_t |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
567 ngx_thread_pool_init_worker(ngx_cycle_t *cycle) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
568 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
569 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
570 ngx_thread_pool_t **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
571 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
572 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
573 if (ngx_process != NGX_PROCESS_WORKER |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
574 && ngx_process != NGX_PROCESS_SINGLE) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
575 { |
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Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
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576 return NGX_OK; |
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Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
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577 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
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578 |
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Thread pools implementation.
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579 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx, |
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580 ngx_thread_pool_module); |
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Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
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581 |
466bd63b63d1
Thread pools implementation.
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parents:
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582 if (tcf == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
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583 return NGX_OK; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
584 } |
466bd63b63d1
Thread pools implementation.
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parents:
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|
585 |
466bd63b63d1
Thread pools implementation.
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586 if (ngx_thread_pool_queue_init(&ngx_thread_pool_done, cycle->log) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
587 != NGX_OK) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
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changeset
|
588 { |
466bd63b63d1
Thread pools implementation.
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589 return NGX_ERROR; |
466bd63b63d1
Thread pools implementation.
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|
590 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
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591 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
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592 tpp = tcf->pools.elts; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
593 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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594 for (i = 0; i < tcf->pools.nelts; i++) { |
466bd63b63d1
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Valentin Bartenev <vbart@nginx.com>
parents:
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changeset
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595 if (ngx_thread_pool_init(tpp[i], cycle->log, cycle->pool) != NGX_OK) { |
466bd63b63d1
Thread pools implementation.
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parents:
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596 return NGX_ERROR; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
597 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
598 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
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|
599 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
600 return NGX_OK; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
601 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
602 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
603 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
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|
604 static void |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
605 ngx_thread_pool_exit_worker(ngx_cycle_t *cycle) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
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changeset
|
606 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
607 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
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changeset
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608 ngx_thread_pool_t **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
609 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
610 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
611 if (ngx_process != NGX_PROCESS_WORKER |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
612 && ngx_process != NGX_PROCESS_SINGLE) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
613 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
614 return; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
615 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
616 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
617 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx, |
466bd63b63d1
Thread pools implementation.
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|
618 ngx_thread_pool_module); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
619 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
620 if (tcf == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
621 return; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
622 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
623 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
624 tpp = tcf->pools.elts; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
625 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
626 for (i = 0; i < tcf->pools.nelts; i++) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
627 ngx_thread_pool_destroy(tpp[i]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
628 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
629 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
630 (void) ngx_thread_pool_queue_destroy(&ngx_thread_pool_done, cycle->log); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
631 } |