Mercurial > hg > nginx
annotate src/core/ngx_thread_pool.c @ 6041:2097cd49a158
Thread pools: removed unused pointer to memory pool.
No functional changes.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Mon, 23 Mar 2015 17:51:21 +0300 |
parents | adaedab1e662 |
children | abde398f34a7 |
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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_task_t *first; |
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21 ngx_thread_task_t **last; |
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22 } ngx_thread_pool_queue_t; |
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23 |
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24 #define ngx_thread_pool_queue_init(q) \ |
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25 (q)->first = NULL; \ |
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26 (q)->last = &(q)->first |
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27 |
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28 |
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29 struct ngx_thread_pool_s { |
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30 ngx_thread_mutex_t mtx; |
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31 ngx_thread_pool_queue_t queue; |
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32 ngx_int_t waiting; |
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33 ngx_thread_cond_t cond; |
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34 |
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35 ngx_log_t *log; |
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36 |
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37 ngx_str_t name; |
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38 ngx_uint_t threads; |
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39 ngx_int_t max_queue; |
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40 |
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41 u_char *file; |
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42 ngx_uint_t line; |
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43 }; |
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44 |
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45 |
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46 static ngx_int_t ngx_thread_pool_init(ngx_thread_pool_t *tp, ngx_log_t *log, |
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47 ngx_pool_t *pool); |
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48 static void ngx_thread_pool_destroy(ngx_thread_pool_t *tp); |
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49 |
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50 static void *ngx_thread_pool_cycle(void *data); |
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51 static void ngx_thread_pool_handler(ngx_event_t *ev); |
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52 |
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53 static char *ngx_thread_pool(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
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54 |
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55 static void *ngx_thread_pool_create_conf(ngx_cycle_t *cycle); |
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56 static char *ngx_thread_pool_init_conf(ngx_cycle_t *cycle, void *conf); |
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57 |
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58 static ngx_int_t ngx_thread_pool_init_worker(ngx_cycle_t *cycle); |
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59 static void ngx_thread_pool_exit_worker(ngx_cycle_t *cycle); |
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60 |
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61 |
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62 static ngx_command_t ngx_thread_pool_commands[] = { |
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63 |
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64 { ngx_string("thread_pool"), |
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65 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE23, |
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66 ngx_thread_pool, |
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67 0, |
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68 0, |
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69 NULL }, |
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70 |
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71 ngx_null_command |
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72 }; |
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73 |
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74 |
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75 static ngx_core_module_t ngx_thread_pool_module_ctx = { |
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76 ngx_string("thread_pool"), |
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77 ngx_thread_pool_create_conf, |
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78 ngx_thread_pool_init_conf |
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79 }; |
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80 |
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81 |
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82 ngx_module_t ngx_thread_pool_module = { |
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83 NGX_MODULE_V1, |
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84 &ngx_thread_pool_module_ctx, /* module context */ |
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85 ngx_thread_pool_commands, /* module directives */ |
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86 NGX_CORE_MODULE, /* module type */ |
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87 NULL, /* init master */ |
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88 NULL, /* init module */ |
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89 ngx_thread_pool_init_worker, /* init process */ |
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90 NULL, /* init thread */ |
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91 NULL, /* exit thread */ |
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92 ngx_thread_pool_exit_worker, /* exit process */ |
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93 NULL, /* exit master */ |
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94 NGX_MODULE_V1_PADDING |
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95 }; |
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96 |
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97 |
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98 static ngx_str_t ngx_thread_pool_default = ngx_string("default"); |
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99 |
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100 static ngx_uint_t ngx_thread_pool_task_id; |
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101 static ngx_atomic_t ngx_thread_pool_done_lock; |
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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 ngx_thread_pool_queue_init(&tp->queue); |
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120 |
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121 if (ngx_thread_mutex_create(&tp->mtx, log) != NGX_OK) { |
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122 return NGX_ERROR; |
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123 } |
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124 |
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125 if (ngx_thread_cond_create(&tp->cond, log) != NGX_OK) { |
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126 (void) ngx_thread_mutex_destroy(&tp->mtx, log); |
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127 return NGX_ERROR; |
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128 } |
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129 |
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130 tp->log = log; |
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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 void |
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164 ngx_thread_pool_destroy(ngx_thread_pool_t *tp) |
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165 { |
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166 /* TODO: exit threads */ |
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167 |
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168 #if 0 |
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169 (void) ngx_thread_cond_destroy(&tp->cond, tp->log); |
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170 |
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171 (void) ngx_thread_mutex_destroy(&tp->mtx, tp->log); |
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172 #endif |
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173 } |
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174 |
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175 |
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176 ngx_thread_task_t * |
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177 ngx_thread_task_alloc(ngx_pool_t *pool, size_t size) |
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178 { |
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179 ngx_thread_task_t *task; |
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180 |
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181 task = ngx_pcalloc(pool, sizeof(ngx_thread_task_t) + size); |
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182 if (task == NULL) { |
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183 return NULL; |
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184 } |
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185 |
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186 task->ctx = task + 1; |
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187 |
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188 return task; |
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189 } |
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190 |
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191 |
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192 ngx_int_t |
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193 ngx_thread_task_post(ngx_thread_pool_t *tp, ngx_thread_task_t *task) |
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194 { |
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195 if (task->event.active) { |
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196 ngx_log_error(NGX_LOG_ALERT, tp->log, 0, |
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197 "task #%ui already active", task->id); |
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198 return NGX_ERROR; |
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199 } |
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200 |
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201 if (ngx_thread_mutex_lock(&tp->mtx, tp->log) != NGX_OK) { |
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202 return NGX_ERROR; |
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203 } |
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204 |
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205 if (tp->waiting >= tp->max_queue) { |
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206 (void) ngx_thread_mutex_unlock(&tp->mtx, tp->log); |
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207 |
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208 ngx_log_error(NGX_LOG_ERR, tp->log, 0, |
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209 "thread pool \"%V\" queue overflow: %i tasks waiting", |
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210 &tp->name, tp->waiting); |
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211 return NGX_ERROR; |
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|
212 } |
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213 |
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214 task->event.active = 1; |
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215 |
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216 task->id = ngx_thread_pool_task_id++; |
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217 task->next = NULL; |
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218 |
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219 if (ngx_thread_cond_signal(&tp->cond, tp->log) != NGX_OK) { |
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220 (void) ngx_thread_mutex_unlock(&tp->mtx, tp->log); |
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221 return NGX_ERROR; |
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|
222 } |
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223 |
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224 *tp->queue.last = task; |
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|
225 tp->queue.last = &task->next; |
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226 |
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227 tp->waiting++; |
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228 |
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229 (void) ngx_thread_mutex_unlock(&tp->mtx, tp->log); |
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230 |
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231 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0, |
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232 "task #%ui added to thread pool \"%V\"", |
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|
233 task->id, &tp->name); |
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|
234 |
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235 return NGX_OK; |
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|
236 } |
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237 |
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238 |
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|
239 static void * |
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|
240 ngx_thread_pool_cycle(void *data) |
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|
241 { |
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242 ngx_thread_pool_t *tp = data; |
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|
243 |
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|
244 int err; |
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|
245 sigset_t set; |
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|
246 ngx_thread_task_t *task; |
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|
247 |
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|
248 #if 0 |
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249 ngx_time_update(); |
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|
250 #endif |
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|
251 |
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252 ngx_log_debug1(NGX_LOG_DEBUG_CORE, tp->log, 0, |
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|
253 "thread in pool \"%V\" started", &tp->name); |
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|
254 |
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|
255 sigfillset(&set); |
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|
256 |
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|
257 sigdelset(&set, SIGILL); |
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|
258 sigdelset(&set, SIGFPE); |
466bd63b63d1
Thread pools implementation.
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|
259 sigdelset(&set, SIGSEGV); |
466bd63b63d1
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|
260 sigdelset(&set, SIGBUS); |
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|
261 |
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|
262 err = pthread_sigmask(SIG_BLOCK, &set, NULL); |
466bd63b63d1
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|
263 if (err) { |
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|
264 ngx_log_error(NGX_LOG_ALERT, tp->log, err, "pthread_sigmask() failed"); |
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|
265 return NULL; |
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Thread pools implementation.
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parents:
diff
changeset
|
266 } |
466bd63b63d1
Thread pools implementation.
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|
267 |
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|
268 for ( ;; ) { |
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|
269 if (ngx_thread_mutex_lock(&tp->mtx, tp->log) != NGX_OK) { |
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|
270 return NULL; |
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Thread pools implementation.
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parents:
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changeset
|
271 } |
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|
272 |
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273 /* the number may become negative */ |
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274 tp->waiting--; |
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275 |
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276 while (tp->queue.first == NULL) { |
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277 if (ngx_thread_cond_wait(&tp->cond, &tp->mtx, tp->log) |
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278 != NGX_OK) |
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279 { |
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280 (void) ngx_thread_mutex_unlock(&tp->mtx, tp->log); |
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281 return NULL; |
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282 } |
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283 } |
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284 |
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285 task = tp->queue.first; |
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286 tp->queue.first = task->next; |
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287 |
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288 if (tp->queue.first == NULL) { |
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289 tp->queue.last = &tp->queue.first; |
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290 } |
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291 |
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292 if (ngx_thread_mutex_unlock(&tp->mtx, tp->log) != NGX_OK) { |
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293 return NULL; |
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294 } |
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295 |
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296 #if 0 |
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297 ngx_time_update(); |
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298 #endif |
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299 |
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300 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0, |
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301 "run task #%ui in thread pool \"%V\"", |
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302 task->id, &tp->name); |
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303 |
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304 task->handler(task->ctx, tp->log); |
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305 |
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306 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0, |
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307 "complete task #%ui in thread pool \"%V\"", |
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308 task->id, &tp->name); |
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309 |
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310 task->next = NULL; |
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311 |
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312 ngx_spinlock(&ngx_thread_pool_done_lock, 1, 2048); |
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313 |
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314 *ngx_thread_pool_done.last = task; |
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315 ngx_thread_pool_done.last = &task->next; |
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316 |
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317 ngx_unlock(&ngx_thread_pool_done_lock); |
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318 |
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319 (void) ngx_notify(ngx_thread_pool_handler); |
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320 } |
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321 } |
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322 |
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323 |
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324 static void |
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325 ngx_thread_pool_handler(ngx_event_t *ev) |
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326 { |
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327 ngx_event_t *event; |
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328 ngx_thread_task_t *task; |
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329 |
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330 ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "thread pool handler"); |
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331 |
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332 ngx_spinlock(&ngx_thread_pool_done_lock, 1, 2048); |
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333 |
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334 task = ngx_thread_pool_done.first; |
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335 ngx_thread_pool_done.first = NULL; |
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336 ngx_thread_pool_done.last = &ngx_thread_pool_done.first; |
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337 |
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338 ngx_unlock(&ngx_thread_pool_done_lock); |
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339 |
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340 while (task) { |
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341 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, |
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342 "run completion handler for task #%ui", task->id); |
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343 |
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344 event = &task->event; |
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345 task = task->next; |
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346 |
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347 event->complete = 1; |
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348 event->active = 0; |
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349 |
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|
350 event->handler(event); |
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351 } |
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|
352 } |
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|
353 |
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Thread pools implementation.
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|
354 |
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|
355 static void * |
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|
356 ngx_thread_pool_create_conf(ngx_cycle_t *cycle) |
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|
357 { |
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|
358 ngx_thread_pool_conf_t *tcf; |
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Thread pools implementation.
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|
359 |
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|
360 tcf = ngx_pcalloc(cycle->pool, sizeof(ngx_thread_pool_conf_t)); |
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Thread pools implementation.
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|
361 if (tcf == NULL) { |
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Thread pools implementation.
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|
362 return NULL; |
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Thread pools implementation.
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parents:
diff
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|
363 } |
466bd63b63d1
Thread pools implementation.
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|
364 |
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Thread pools implementation.
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|
365 if (ngx_array_init(&tcf->pools, cycle->pool, 4, |
466bd63b63d1
Thread pools implementation.
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|
366 sizeof(ngx_thread_pool_t *)) |
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Thread pools implementation.
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|
367 != NGX_OK) |
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Thread pools implementation.
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|
368 { |
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Thread pools implementation.
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|
369 return NULL; |
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Thread pools implementation.
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|
370 } |
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Thread pools implementation.
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|
371 |
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Thread pools implementation.
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parents:
diff
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|
372 return tcf; |
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Thread pools implementation.
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diff
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|
373 } |
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Thread pools implementation.
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|
374 |
466bd63b63d1
Thread pools implementation.
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|
375 |
466bd63b63d1
Thread pools implementation.
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parents:
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changeset
|
376 static char * |
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Thread pools implementation.
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parents:
diff
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|
377 ngx_thread_pool_init_conf(ngx_cycle_t *cycle, void *conf) |
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Thread pools implementation.
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|
378 { |
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Thread pools implementation.
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|
379 ngx_thread_pool_conf_t *tcf = conf; |
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Thread pools implementation.
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|
380 |
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Thread pools implementation.
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|
381 ngx_uint_t i; |
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Thread pools implementation.
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|
382 ngx_thread_pool_t **tpp; |
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Thread pools implementation.
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|
383 |
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Thread pools implementation.
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parents:
diff
changeset
|
384 tpp = tcf->pools.elts; |
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Thread pools implementation.
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diff
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|
385 |
466bd63b63d1
Thread pools implementation.
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parents:
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changeset
|
386 for (i = 0; i < tcf->pools.nelts; i++) { |
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Thread pools implementation.
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|
387 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
388 if (tpp[i]->threads) { |
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Thread pools implementation.
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|
389 continue; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
390 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
391 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
392 if (tpp[i]->name.len == ngx_thread_pool_default.len |
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Thread pools implementation.
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parents:
diff
changeset
|
393 && ngx_strncmp(tpp[i]->name.data, ngx_thread_pool_default.data, |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
394 ngx_thread_pool_default.len) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
395 == 0) |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
396 { |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
397 tpp[i]->threads = 32; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
398 tpp[i]->max_queue = 65536; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
399 continue; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
400 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
401 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
402 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
403 "unknown thread pool \"%V\" in %s:%ui", |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
404 &tpp[i]->name, tpp[i]->file, tpp[i]->line); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
405 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
406 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
407 } |
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 return NGX_CONF_OK; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
410 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
411 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
412 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
413 static char * |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
414 ngx_thread_pool(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
415 { |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
416 ngx_str_t *value; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
417 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
418 ngx_thread_pool_t *tp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
419 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
420 value = cf->args->elts; |
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 tp = ngx_thread_pool_add(cf, &value[1]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
423 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
424 if (tp == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
425 return NGX_CONF_ERROR; |
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 if (tp->threads) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
429 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
430 "duplicate thread pool \"%V\"", &tp->name); |
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 tp->max_queue = 65536; |
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 for (i = 2; i < cf->args->nelts; i++) { |
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 if (ngx_strncmp(value[i].data, "threads=", 8) == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
439 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
440 tp->threads = ngx_atoi(value[i].data + 8, value[i].len - 8); |
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 if (tp->threads == (ngx_uint_t) NGX_ERROR || tp->threads == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
443 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
444 "invalid threads value \"%V\"", &value[i]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
445 return NGX_CONF_ERROR; |
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 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
448 continue; |
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 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
451 if (ngx_strncmp(value[i].data, "max_queue=", 10) == 0) { |
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 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
|
454 |
6026
25fda43e3bcb
Thread pools: fixed the waiting tasks accounting.
Ruslan Ermilov <ru@nginx.com>
parents:
6025
diff
changeset
|
455 if (tp->max_queue == NGX_ERROR) { |
6018
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
456 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
457 "invalid max_queue value \"%V\"", &value[i]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
458 return NGX_CONF_ERROR; |
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 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
461 continue; |
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 } |
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 if (tp->threads == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
466 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
467 "\"%V\" must have \"threads\" parameter", |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
468 &cmd->name); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
469 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
470 } |
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 return NGX_CONF_OK; |
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 |
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 ngx_thread_pool_t * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
477 ngx_thread_pool_add(ngx_conf_t *cf, ngx_str_t *name) |
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 ngx_thread_pool_t *tp, **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
480 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
481 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
482 if (name == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
483 name = &ngx_thread_pool_default; |
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 tp = ngx_thread_pool_get(cf->cycle, name); |
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 if (tp) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
489 return tp; |
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 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
492 tp = ngx_pcalloc(cf->pool, sizeof(ngx_thread_pool_t)); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
493 if (tp == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
494 return NULL; |
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 tp->name = *name; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
498 tp->file = cf->conf_file->file.name.data; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
499 tp->line = cf->conf_file->line; |
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 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
|
502 ngx_thread_pool_module); |
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 tpp = ngx_array_push(&tcf->pools); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
505 if (tpp == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
506 return NULL; |
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 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
509 *tpp = tp; |
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 return tp; |
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 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
514 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
515 ngx_thread_pool_t * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
516 ngx_thread_pool_get(ngx_cycle_t *cycle, ngx_str_t *name) |
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 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
519 ngx_thread_pool_t **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
520 ngx_thread_pool_conf_t *tcf; |
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 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
523 ngx_thread_pool_module); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
524 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
525 tpp = tcf->pools.elts; |
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 for (i = 0; i < tcf->pools.nelts; i++) { |
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 if (tpp[i]->name.len == name->len |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
530 && ngx_strncmp(tpp[i]->name.data, name->data, name->len) == 0) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
531 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
532 return tpp[i]; |
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 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
536 return NULL; |
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 static ngx_int_t |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
541 ngx_thread_pool_init_worker(ngx_cycle_t *cycle) |
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 if (ngx_process != NGX_PROCESS_WORKER |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
548 && ngx_process != NGX_PROCESS_SINGLE) |
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 return NGX_OK; |
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 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
553 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
554 ngx_thread_pool_module); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
555 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
556 if (tcf == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
557 return NGX_OK; |
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 |
6040
adaedab1e662
Thread pools: keep waiting tasks mutex in ngx_thread_pool_t.
Valentin Bartenev <vbart@nginx.com>
parents:
6039
diff
changeset
|
560 ngx_thread_pool_queue_init(&ngx_thread_pool_done); |
6018
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 tpp = tcf->pools.elts; |
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563 |
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564 for (i = 0; i < tcf->pools.nelts; i++) { |
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565 if (ngx_thread_pool_init(tpp[i], cycle->log, cycle->pool) != NGX_OK) { |
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566 return NGX_ERROR; |
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567 } |
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568 } |
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569 |
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570 return NGX_OK; |
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571 } |
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572 |
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573 |
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574 static void |
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575 ngx_thread_pool_exit_worker(ngx_cycle_t *cycle) |
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576 { |
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577 ngx_uint_t i; |
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578 ngx_thread_pool_t **tpp; |
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579 ngx_thread_pool_conf_t *tcf; |
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580 |
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581 if (ngx_process != NGX_PROCESS_WORKER |
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parents:
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582 && ngx_process != NGX_PROCESS_SINGLE) |
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583 { |
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parents:
diff
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584 return; |
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|
585 } |
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586 |
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587 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx, |
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588 ngx_thread_pool_module); |
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|
589 |
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590 if (tcf == NULL) { |
466bd63b63d1
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591 return; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
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592 } |
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Valentin Bartenev <vbart@nginx.com>
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593 |
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parents:
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594 tpp = tcf->pools.elts; |
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Valentin Bartenev <vbart@nginx.com>
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595 |
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parents:
diff
changeset
|
596 for (i = 0; i < tcf->pools.nelts; i++) { |
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parents:
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597 ngx_thread_pool_destroy(tpp[i]); |
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598 } |
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599 } |