Mercurial > hg > nginx
annotate src/core/ngx_thread_pool.c @ 6026:25fda43e3bcb
Thread pools: fixed the waiting tasks accounting.
Behave like POSIX semaphores. If N worker threads are waiting for tasks,
at least that number of tasks should be allowed to be put into the queue.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Thu, 19 Mar 2015 13:00:48 +0300 |
parents | 32099b107191 |
children | 67717d4e4f47 |
rev | line source |
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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_thread_task_t *first; |
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22 ngx_thread_task_t **last; |
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23 } ngx_thread_pool_queue_t; |
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24 |
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25 |
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26 struct ngx_thread_pool_s { |
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27 ngx_thread_pool_queue_t queue; |
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28 ngx_int_t waiting; |
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29 ngx_thread_cond_t cond; |
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30 |
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31 ngx_log_t *log; |
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32 ngx_pool_t *pool; |
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33 |
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34 ngx_str_t name; |
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35 ngx_uint_t threads; |
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36 ngx_int_t max_queue; |
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37 |
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38 u_char *file; |
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39 ngx_uint_t line; |
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40 }; |
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41 |
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42 |
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43 static ngx_int_t ngx_thread_pool_init(ngx_thread_pool_t *tp, ngx_log_t *log, |
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44 ngx_pool_t *pool); |
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45 static ngx_int_t ngx_thread_pool_queue_init(ngx_thread_pool_queue_t *queue, |
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46 ngx_log_t *log); |
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47 static ngx_int_t ngx_thread_pool_queue_destroy(ngx_thread_pool_queue_t *queue, |
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48 ngx_log_t *log); |
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49 static void ngx_thread_pool_destroy(ngx_thread_pool_t *tp); |
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50 |
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51 static void *ngx_thread_pool_cycle(void *data); |
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52 static void ngx_thread_pool_handler(ngx_event_t *ev); |
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53 |
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54 static char *ngx_thread_pool(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
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55 |
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56 static void *ngx_thread_pool_create_conf(ngx_cycle_t *cycle); |
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57 static char *ngx_thread_pool_init_conf(ngx_cycle_t *cycle, void *conf); |
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58 |
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59 static ngx_int_t ngx_thread_pool_init_worker(ngx_cycle_t *cycle); |
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60 static void ngx_thread_pool_exit_worker(ngx_cycle_t *cycle); |
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61 |
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62 |
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63 static ngx_command_t ngx_thread_pool_commands[] = { |
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64 |
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65 { ngx_string("thread_pool"), |
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66 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE23, |
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67 ngx_thread_pool, |
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68 0, |
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69 0, |
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70 NULL }, |
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71 |
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72 ngx_null_command |
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73 }; |
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74 |
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75 |
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76 static ngx_core_module_t ngx_thread_pool_module_ctx = { |
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77 ngx_string("thread_pool"), |
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78 ngx_thread_pool_create_conf, |
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79 ngx_thread_pool_init_conf |
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80 }; |
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81 |
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82 |
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83 ngx_module_t ngx_thread_pool_module = { |
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84 NGX_MODULE_V1, |
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85 &ngx_thread_pool_module_ctx, /* module context */ |
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86 ngx_thread_pool_commands, /* module directives */ |
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87 NGX_CORE_MODULE, /* module type */ |
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88 NULL, /* init master */ |
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89 NULL, /* init module */ |
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90 ngx_thread_pool_init_worker, /* init process */ |
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91 NULL, /* init thread */ |
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92 NULL, /* exit thread */ |
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93 ngx_thread_pool_exit_worker, /* exit process */ |
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94 NULL, /* exit master */ |
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95 NGX_MODULE_V1_PADDING |
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96 }; |
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97 |
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98 |
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99 static ngx_str_t ngx_thread_pool_default = ngx_string("default"); |
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100 |
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101 static ngx_uint_t ngx_thread_pool_task_id; |
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102 static ngx_thread_pool_queue_t ngx_thread_pool_done; |
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103 |
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104 |
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105 static ngx_int_t |
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106 ngx_thread_pool_init(ngx_thread_pool_t *tp, ngx_log_t *log, ngx_pool_t *pool) |
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107 { |
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108 int err; |
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109 pthread_t tid; |
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110 ngx_uint_t n; |
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111 pthread_attr_t attr; |
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112 |
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113 if (ngx_notify == NULL) { |
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114 ngx_log_error(NGX_LOG_ALERT, log, 0, |
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115 "the configured event method cannot be used with thread pools"); |
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116 return NGX_ERROR; |
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117 } |
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118 |
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119 if (ngx_thread_pool_queue_init(&tp->queue, log) != NGX_OK) { |
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120 return NGX_ERROR; |
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121 } |
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122 |
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123 if (ngx_thread_cond_create(&tp->cond, log) != NGX_OK) { |
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124 (void) ngx_thread_pool_queue_destroy(&tp->queue, log); |
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125 return NGX_ERROR; |
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126 } |
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127 |
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128 tp->log = log; |
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129 tp->pool = pool; |
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130 |
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131 err = pthread_attr_init(&attr); |
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132 if (err) { |
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133 ngx_log_error(NGX_LOG_ALERT, log, err, |
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134 "pthread_attr_init() failed"); |
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135 return NGX_ERROR; |
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136 } |
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137 |
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138 #if 0 |
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139 err = pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); |
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140 if (err) { |
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141 ngx_log_error(NGX_LOG_ALERT, log, err, |
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142 "pthread_attr_setstacksize() failed"); |
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143 return NGX_ERROR; |
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144 } |
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145 #endif |
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146 |
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147 for (n = 0; n < tp->threads; n++) { |
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148 err = pthread_create(&tid, &attr, ngx_thread_pool_cycle, tp); |
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149 if (err) { |
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150 ngx_log_error(NGX_LOG_ALERT, log, err, |
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151 "pthread_create() failed"); |
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152 return NGX_ERROR; |
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153 } |
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154 } |
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155 |
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156 (void) pthread_attr_destroy(&attr); |
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157 |
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158 return NGX_OK; |
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159 } |
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160 |
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161 |
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162 static ngx_int_t |
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163 ngx_thread_pool_queue_init(ngx_thread_pool_queue_t *queue, ngx_log_t *log) |
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164 { |
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165 queue->first = NULL; |
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166 queue->last = &queue->first; |
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167 |
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168 return ngx_thread_mutex_create(&queue->mtx, log); |
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169 } |
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170 |
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171 |
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172 static ngx_int_t |
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173 ngx_thread_pool_queue_destroy(ngx_thread_pool_queue_t *queue, ngx_log_t *log) |
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174 { |
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175 return ngx_thread_mutex_destroy(&queue->mtx, log); |
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176 } |
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177 |
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178 |
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179 static void |
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180 ngx_thread_pool_destroy(ngx_thread_pool_t *tp) |
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181 { |
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182 /* TODO: exit threads */ |
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183 |
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184 (void) ngx_thread_cond_destroy(&tp->cond, tp->log); |
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185 (void) ngx_thread_pool_queue_destroy(&tp->queue, tp->log); |
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186 } |
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187 |
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188 |
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189 ngx_thread_task_t * |
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190 ngx_thread_task_alloc(ngx_pool_t *pool, size_t size) |
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191 { |
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192 ngx_thread_task_t *task; |
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193 |
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194 task = ngx_pcalloc(pool, sizeof(ngx_thread_task_t) + size); |
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195 if (task == NULL) { |
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196 return NULL; |
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|
197 } |
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198 |
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199 task->ctx = task + 1; |
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200 |
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201 return task; |
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202 } |
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203 |
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204 |
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205 ngx_int_t |
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206 ngx_thread_task_post(ngx_thread_pool_t *tp, ngx_thread_task_t *task) |
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207 { |
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208 if (task->event.active) { |
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209 ngx_log_error(NGX_LOG_ALERT, tp->log, 0, |
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210 "task #%ui already active", task->id); |
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211 return NGX_ERROR; |
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Thread pools implementation.
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|
212 } |
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213 |
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214 if (ngx_thread_mutex_lock(&tp->queue.mtx, tp->log) != NGX_OK) { |
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215 return NGX_ERROR; |
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216 } |
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217 |
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218 if (tp->waiting >= tp->max_queue) { |
6018
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219 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log); |
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220 |
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221 ngx_log_error(NGX_LOG_ERR, tp->log, 0, |
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222 "thread pool \"%V\" queue overflow: %i tasks waiting", |
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223 &tp->name, tp->waiting); |
6018
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224 return NGX_ERROR; |
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|
225 } |
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|
226 |
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227 task->event.active = 1; |
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228 |
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229 task->id = ngx_thread_pool_task_id++; |
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230 task->next = NULL; |
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231 |
466bd63b63d1
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232 if (ngx_thread_cond_signal(&tp->cond, tp->log) != NGX_OK) { |
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233 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log); |
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|
234 return NGX_ERROR; |
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Thread pools implementation.
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|
235 } |
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|
236 |
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|
237 *tp->queue.last = task; |
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Thread pools implementation.
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|
238 tp->queue.last = &task->next; |
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239 |
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|
240 tp->waiting++; |
6018
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|
241 |
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242 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log); |
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|
243 |
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|
244 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0, |
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245 "task #%ui added to thread pool \"%V\"", |
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Thread pools implementation.
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|
246 task->id, &tp->name); |
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|
247 |
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248 return NGX_OK; |
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|
249 } |
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|
250 |
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251 |
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|
252 static void * |
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|
253 ngx_thread_pool_cycle(void *data) |
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Thread pools implementation.
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|
254 { |
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Thread pools implementation.
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|
255 ngx_thread_pool_t *tp = data; |
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|
256 |
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|
257 int err; |
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|
258 sigset_t set; |
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|
259 ngx_thread_task_t *task; |
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|
260 |
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Thread pools implementation.
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changeset
|
261 #if 0 |
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Thread pools implementation.
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|
262 ngx_time_update(); |
466bd63b63d1
Thread pools implementation.
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changeset
|
263 #endif |
466bd63b63d1
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|
264 |
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|
265 ngx_log_debug1(NGX_LOG_DEBUG_CORE, tp->log, 0, |
466bd63b63d1
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parents:
diff
changeset
|
266 "thread in pool \"%V\" started", &tp->name); |
466bd63b63d1
Thread pools implementation.
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parents:
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|
267 |
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parents:
diff
changeset
|
268 sigfillset(&set); |
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diff
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|
269 |
466bd63b63d1
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|
270 sigdelset(&set, SIGILL); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
271 sigdelset(&set, SIGFPE); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
272 sigdelset(&set, SIGSEGV); |
466bd63b63d1
Thread pools implementation.
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|
273 sigdelset(&set, SIGBUS); |
466bd63b63d1
Thread pools implementation.
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|
274 |
466bd63b63d1
Thread pools implementation.
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|
275 err = pthread_sigmask(SIG_BLOCK, &set, NULL); |
466bd63b63d1
Thread pools implementation.
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parents:
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|
276 if (err) { |
466bd63b63d1
Thread pools implementation.
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|
277 ngx_log_error(NGX_LOG_ALERT, tp->log, err, "pthread_sigmask() failed"); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
278 return NULL; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
279 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
280 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
281 for ( ;; ) { |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
282 if (ngx_thread_mutex_lock(&tp->queue.mtx, tp->log) != NGX_OK) { |
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parents:
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|
283 return NULL; |
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Thread pools implementation.
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parents:
diff
changeset
|
284 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
285 |
6026
25fda43e3bcb
Thread pools: fixed the waiting tasks accounting.
Ruslan Ermilov <ru@nginx.com>
parents:
6025
diff
changeset
|
286 /* the number may become negative */ |
25fda43e3bcb
Thread pools: fixed the waiting tasks accounting.
Ruslan Ermilov <ru@nginx.com>
parents:
6025
diff
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|
287 tp->waiting--; |
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Thread pools: fixed the waiting tasks accounting.
Ruslan Ermilov <ru@nginx.com>
parents:
6025
diff
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|
288 |
25fda43e3bcb
Thread pools: fixed the waiting tasks accounting.
Ruslan Ermilov <ru@nginx.com>
parents:
6025
diff
changeset
|
289 while (tp->queue.first == NULL) { |
6018
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
290 if (ngx_thread_cond_wait(&tp->cond, &tp->queue.mtx, tp->log) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
291 != NGX_OK) |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
292 { |
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Thread pools implementation.
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parents:
diff
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|
293 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log); |
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Thread pools implementation.
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parents:
diff
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|
294 return NULL; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
295 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
296 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
297 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
298 task = tp->queue.first; |
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Thread pools implementation.
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parents:
diff
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|
299 tp->queue.first = task->next; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
300 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
301 if (tp->queue.first == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
302 tp->queue.last = &tp->queue.first; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
303 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
304 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
305 if (ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log) != NGX_OK) { |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
306 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
307 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
308 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
309 #if 0 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
310 ngx_time_update(); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
311 #endif |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
312 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
313 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0, |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
314 "run task #%ui in thread pool \"%V\"", |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
315 task->id, &tp->name); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
316 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
317 task->handler(task->ctx, tp->log); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
318 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
319 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
320 "complete task #%ui in thread pool \"%V\"", |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
321 task->id, &tp->name); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
322 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
323 task->next = NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
324 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
325 if (ngx_thread_mutex_lock(&ngx_thread_pool_done.mtx, tp->log) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
326 != NGX_OK) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
327 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
328 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
329 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
330 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
331 *ngx_thread_pool_done.last = task; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
332 ngx_thread_pool_done.last = &task->next; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
333 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
334 if (ngx_thread_mutex_unlock(&ngx_thread_pool_done.mtx, tp->log) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
335 != NGX_OK) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
336 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
337 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
338 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
339 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
340 (void) ngx_notify(ngx_thread_pool_handler); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
341 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
342 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
343 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
344 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
345 static void |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
346 ngx_thread_pool_handler(ngx_event_t *ev) |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
347 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
348 ngx_event_t *event; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
349 ngx_thread_task_t *task; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
350 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
351 ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "thread pool handler"); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
352 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
353 if (ngx_thread_mutex_lock(&ngx_thread_pool_done.mtx, ev->log) != NGX_OK) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
354 return; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
355 } |
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 task = ngx_thread_pool_done.first; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
358 ngx_thread_pool_done.first = NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
359 ngx_thread_pool_done.last = &ngx_thread_pool_done.first; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
360 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
361 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
|
362 return; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
363 } |
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 while (task) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
366 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
367 "run completion handler for task #%ui", task->id); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
368 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
369 event = &task->event; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
370 task = task->next; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
371 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
372 event->complete = 1; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
373 event->active = 0; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
374 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
375 event->handler(event); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
376 } |
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 static void * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
381 ngx_thread_pool_create_conf(ngx_cycle_t *cycle) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
382 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
383 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
384 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
385 tcf = ngx_pcalloc(cycle->pool, sizeof(ngx_thread_pool_conf_t)); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
386 if (tcf == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
387 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
388 } |
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 if (ngx_array_init(&tcf->pools, cycle->pool, 4, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
391 sizeof(ngx_thread_pool_t *)) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
392 != NGX_OK) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
393 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
394 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
395 } |
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 return tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
398 } |
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 static char * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
402 ngx_thread_pool_init_conf(ngx_cycle_t *cycle, void *conf) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
403 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
404 ngx_thread_pool_conf_t *tcf = conf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
405 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
406 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
407 ngx_thread_pool_t **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
408 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
409 tpp = tcf->pools.elts; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
410 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
411 for (i = 0; i < tcf->pools.nelts; i++) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
412 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
413 if (tpp[i]->threads) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
414 continue; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
415 } |
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 if (tpp[i]->name.len == ngx_thread_pool_default.len |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
418 && ngx_strncmp(tpp[i]->name.data, ngx_thread_pool_default.data, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
419 ngx_thread_pool_default.len) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
420 == 0) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
421 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
422 tpp[i]->threads = 32; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
423 tpp[i]->max_queue = 65536; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
424 continue; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
425 } |
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 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
428 "unknown thread pool \"%V\" in %s:%ui", |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
429 &tpp[i]->name, tpp[i]->file, tpp[i]->line); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
430 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
431 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
432 } |
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 return NGX_CONF_OK; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
435 } |
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 static char * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
439 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
|
440 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
441 ngx_str_t *value; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
442 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
443 ngx_thread_pool_t *tp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
444 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
445 value = cf->args->elts; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
446 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
447 tp = ngx_thread_pool_add(cf, &value[1]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
448 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
449 if (tp == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
450 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
451 } |
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 if (tp->threads) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
454 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
455 "duplicate thread pool \"%V\"", &tp->name); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
456 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
457 } |
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 tp->max_queue = 65536; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
460 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
461 for (i = 2; i < cf->args->nelts; i++) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
462 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
463 if (ngx_strncmp(value[i].data, "threads=", 8) == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
464 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
465 tp->threads = ngx_atoi(value[i].data + 8, value[i].len - 8); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
466 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
467 if (tp->threads == (ngx_uint_t) NGX_ERROR || tp->threads == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
468 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
469 "invalid threads value \"%V\"", &value[i]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
470 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
471 } |
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 continue; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
474 } |
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 if (ngx_strncmp(value[i].data, "max_queue=", 10) == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
477 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
478 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
|
479 |
6026
25fda43e3bcb
Thread pools: fixed the waiting tasks accounting.
Ruslan Ermilov <ru@nginx.com>
parents:
6025
diff
changeset
|
480 if (tp->max_queue == NGX_ERROR) { |
6018
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
481 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
482 "invalid max_queue value \"%V\"", &value[i]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
483 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
484 } |
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 continue; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
487 } |
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 if (tp->threads == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
491 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
492 "\"%V\" must have \"threads\" parameter", |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
493 &cmd->name); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
494 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
495 } |
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 return NGX_CONF_OK; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
498 } |
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 ngx_thread_pool_t * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
502 ngx_thread_pool_add(ngx_conf_t *cf, ngx_str_t *name) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
503 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
504 ngx_thread_pool_t *tp, **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
505 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
506 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
507 if (name == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
508 name = &ngx_thread_pool_default; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
509 } |
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 tp = ngx_thread_pool_get(cf->cycle, name); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
512 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
513 if (tp) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
514 return tp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
515 } |
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 tp = ngx_pcalloc(cf->pool, sizeof(ngx_thread_pool_t)); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
518 if (tp == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
519 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
520 } |
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 tp->name = *name; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
523 tp->file = cf->conf_file->file.name.data; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
524 tp->line = cf->conf_file->line; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
525 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
526 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
|
527 ngx_thread_pool_module); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
528 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
529 tpp = ngx_array_push(&tcf->pools); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
530 if (tpp == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
531 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
532 } |
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 *tpp = tp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
535 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
536 return tp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
537 } |
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 ngx_thread_pool_t * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
541 ngx_thread_pool_get(ngx_cycle_t *cycle, ngx_str_t *name) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
542 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
543 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
544 ngx_thread_pool_t **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
545 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
546 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
547 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
548 ngx_thread_pool_module); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
549 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
550 tpp = tcf->pools.elts; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
551 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
552 for (i = 0; i < tcf->pools.nelts; i++) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
553 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
554 if (tpp[i]->name.len == name->len |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
555 && ngx_strncmp(tpp[i]->name.data, name->data, name->len) == 0) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
556 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
557 return tpp[i]; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
558 } |
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 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
562 } |
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 static ngx_int_t |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
566 ngx_thread_pool_init_worker(ngx_cycle_t *cycle) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
567 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
568 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
569 ngx_thread_pool_t **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
570 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
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571 |
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Thread pools implementation.
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572 if (ngx_process != NGX_PROCESS_WORKER |
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573 && ngx_process != NGX_PROCESS_SINGLE) |
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574 { |
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Thread pools implementation.
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575 return NGX_OK; |
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Thread pools implementation.
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576 } |
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Thread pools implementation.
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577 |
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578 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx, |
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579 ngx_thread_pool_module); |
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580 |
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Thread pools implementation.
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581 if (tcf == NULL) { |
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Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
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582 return NGX_OK; |
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583 } |
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584 |
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585 if (ngx_thread_pool_queue_init(&ngx_thread_pool_done, cycle->log) |
466bd63b63d1
Thread pools implementation.
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586 != NGX_OK) |
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Thread pools implementation.
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|
587 { |
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588 return NGX_ERROR; |
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589 } |
466bd63b63d1
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590 |
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591 tpp = tcf->pools.elts; |
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592 |
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593 for (i = 0; i < tcf->pools.nelts; i++) { |
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594 if (ngx_thread_pool_init(tpp[i], cycle->log, cycle->pool) != NGX_OK) { |
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595 return NGX_ERROR; |
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Thread pools implementation.
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596 } |
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597 } |
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Thread pools implementation.
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598 |
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599 return NGX_OK; |
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600 } |
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601 |
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602 |
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Thread pools implementation.
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603 static void |
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Thread pools implementation.
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604 ngx_thread_pool_exit_worker(ngx_cycle_t *cycle) |
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Thread pools implementation.
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605 { |
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Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
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606 ngx_uint_t i; |
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607 ngx_thread_pool_t **tpp; |
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Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
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608 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
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|
609 |
466bd63b63d1
Thread pools implementation.
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610 if (ngx_process != NGX_PROCESS_WORKER |
466bd63b63d1
Thread pools implementation.
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611 && ngx_process != NGX_PROCESS_SINGLE) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
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|
612 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
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613 return; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
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|
614 } |
466bd63b63d1
Thread pools implementation.
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615 |
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diff
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616 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx, |
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Thread pools implementation.
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617 ngx_thread_pool_module); |
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Thread pools implementation.
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|
618 |
466bd63b63d1
Thread pools implementation.
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parents:
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619 if (tcf == NULL) { |
466bd63b63d1
Thread pools implementation.
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620 return; |
466bd63b63d1
Thread pools implementation.
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|
621 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
622 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
623 tpp = tcf->pools.elts; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
624 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
625 for (i = 0; i < tcf->pools.nelts; i++) { |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
626 ngx_thread_pool_destroy(tpp[i]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
627 } |
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 (void) ngx_thread_pool_queue_destroy(&ngx_thread_pool_done, cycle->log); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
630 } |