Mercurial > hg > nginx
annotate src/core/ngx_thread_pool.c @ 6040:adaedab1e662
Thread pools: keep waiting tasks mutex in ngx_thread_pool_t.
It's not needed for completed tasks queue since the previous change.
No functional changes.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Mon, 23 Mar 2015 17:51:21 +0300 |
parents | fc36690e7f44 |
children | 2097cd49a158 |
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_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 ngx_pool_t *pool; |
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37 |
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38 ngx_str_t name; |
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39 ngx_uint_t threads; |
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40 ngx_int_t max_queue; |
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41 |
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42 u_char *file; |
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43 ngx_uint_t line; |
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44 }; |
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45 |
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46 |
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47 static ngx_int_t ngx_thread_pool_init(ngx_thread_pool_t *tp, ngx_log_t *log, |
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48 ngx_pool_t *pool); |
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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_atomic_t ngx_thread_pool_done_lock; |
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103 static ngx_thread_pool_queue_t ngx_thread_pool_done; |
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104 |
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105 |
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106 static ngx_int_t |
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107 ngx_thread_pool_init(ngx_thread_pool_t *tp, ngx_log_t *log, ngx_pool_t *pool) |
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108 { |
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109 int err; |
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110 pthread_t tid; |
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111 ngx_uint_t n; |
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112 pthread_attr_t attr; |
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113 |
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114 if (ngx_notify == NULL) { |
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115 ngx_log_error(NGX_LOG_ALERT, log, 0, |
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116 "the configured event method cannot be used with thread pools"); |
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117 return NGX_ERROR; |
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118 } |
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119 |
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120 ngx_thread_pool_queue_init(&tp->queue); |
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121 |
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122 if (ngx_thread_mutex_create(&tp->mtx, log) != NGX_OK) { |
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123 return NGX_ERROR; |
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124 } |
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125 |
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126 if (ngx_thread_cond_create(&tp->cond, log) != NGX_OK) { |
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127 (void) ngx_thread_mutex_destroy(&tp->mtx, log); |
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128 return NGX_ERROR; |
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129 } |
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130 |
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131 tp->log = log; |
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132 tp->pool = pool; |
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133 |
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134 err = pthread_attr_init(&attr); |
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135 if (err) { |
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136 ngx_log_error(NGX_LOG_ALERT, log, err, |
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137 "pthread_attr_init() failed"); |
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138 return NGX_ERROR; |
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139 } |
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140 |
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141 #if 0 |
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142 err = pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); |
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143 if (err) { |
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144 ngx_log_error(NGX_LOG_ALERT, log, err, |
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145 "pthread_attr_setstacksize() failed"); |
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146 return NGX_ERROR; |
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147 } |
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148 #endif |
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149 |
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150 for (n = 0; n < tp->threads; n++) { |
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151 err = pthread_create(&tid, &attr, ngx_thread_pool_cycle, tp); |
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152 if (err) { |
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153 ngx_log_error(NGX_LOG_ALERT, log, err, |
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154 "pthread_create() failed"); |
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155 return NGX_ERROR; |
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156 } |
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157 } |
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158 |
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159 (void) pthread_attr_destroy(&attr); |
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160 |
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161 return NGX_OK; |
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162 } |
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163 |
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164 |
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165 static void |
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166 ngx_thread_pool_destroy(ngx_thread_pool_t *tp) |
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167 { |
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168 /* TODO: exit threads */ |
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169 |
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170 #if 0 |
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171 (void) ngx_thread_cond_destroy(&tp->cond, tp->log); |
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172 |
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173 (void) ngx_thread_mutex_destroy(&tp->mtx, tp->log); |
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174 #endif |
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175 } |
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176 |
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177 |
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178 ngx_thread_task_t * |
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179 ngx_thread_task_alloc(ngx_pool_t *pool, size_t size) |
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180 { |
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181 ngx_thread_task_t *task; |
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182 |
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183 task = ngx_pcalloc(pool, sizeof(ngx_thread_task_t) + size); |
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184 if (task == NULL) { |
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185 return NULL; |
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186 } |
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187 |
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188 task->ctx = task + 1; |
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189 |
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190 return task; |
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191 } |
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192 |
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193 |
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194 ngx_int_t |
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195 ngx_thread_task_post(ngx_thread_pool_t *tp, ngx_thread_task_t *task) |
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196 { |
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197 if (task->event.active) { |
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198 ngx_log_error(NGX_LOG_ALERT, tp->log, 0, |
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199 "task #%ui already active", task->id); |
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200 return NGX_ERROR; |
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201 } |
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202 |
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203 if (ngx_thread_mutex_lock(&tp->mtx, tp->log) != NGX_OK) { |
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204 return NGX_ERROR; |
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205 } |
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206 |
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207 if (tp->waiting >= tp->max_queue) { |
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208 (void) ngx_thread_mutex_unlock(&tp->mtx, tp->log); |
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209 |
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210 ngx_log_error(NGX_LOG_ERR, tp->log, 0, |
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211 "thread pool \"%V\" queue overflow: %i tasks waiting", |
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212 &tp->name, tp->waiting); |
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213 return NGX_ERROR; |
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|
214 } |
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|
215 |
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|
216 task->event.active = 1; |
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|
217 |
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218 task->id = ngx_thread_pool_task_id++; |
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219 task->next = NULL; |
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220 |
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221 if (ngx_thread_cond_signal(&tp->cond, tp->log) != NGX_OK) { |
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222 (void) ngx_thread_mutex_unlock(&tp->mtx, tp->log); |
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223 return NGX_ERROR; |
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|
224 } |
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|
225 |
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226 *tp->queue.last = task; |
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|
227 tp->queue.last = &task->next; |
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228 |
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229 tp->waiting++; |
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230 |
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231 (void) ngx_thread_mutex_unlock(&tp->mtx, tp->log); |
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232 |
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|
233 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0, |
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|
234 "task #%ui added to thread pool \"%V\"", |
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Thread pools implementation.
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|
235 task->id, &tp->name); |
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|
236 |
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237 return NGX_OK; |
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|
238 } |
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|
239 |
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|
240 |
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|
241 static void * |
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|
242 ngx_thread_pool_cycle(void *data) |
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Thread pools implementation.
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|
243 { |
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|
244 ngx_thread_pool_t *tp = data; |
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|
245 |
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|
246 int err; |
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|
247 sigset_t set; |
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Thread pools implementation.
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|
248 ngx_thread_task_t *task; |
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|
249 |
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|
250 #if 0 |
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|
251 ngx_time_update(); |
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|
252 #endif |
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|
253 |
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|
254 ngx_log_debug1(NGX_LOG_DEBUG_CORE, tp->log, 0, |
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|
255 "thread in pool \"%V\" started", &tp->name); |
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|
256 |
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parents:
diff
changeset
|
257 sigfillset(&set); |
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Thread pools implementation.
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|
258 |
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Thread pools implementation.
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changeset
|
259 sigdelset(&set, SIGILL); |
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Thread pools implementation.
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|
260 sigdelset(&set, SIGFPE); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
261 sigdelset(&set, SIGSEGV); |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
262 sigdelset(&set, SIGBUS); |
466bd63b63d1
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|
263 |
466bd63b63d1
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parents:
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changeset
|
264 err = pthread_sigmask(SIG_BLOCK, &set, NULL); |
466bd63b63d1
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|
265 if (err) { |
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|
266 ngx_log_error(NGX_LOG_ALERT, tp->log, err, "pthread_sigmask() failed"); |
466bd63b63d1
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parents:
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changeset
|
267 return NULL; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
268 } |
466bd63b63d1
Thread pools implementation.
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parents:
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|
269 |
466bd63b63d1
Thread pools implementation.
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parents:
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|
270 for ( ;; ) { |
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|
271 if (ngx_thread_mutex_lock(&tp->mtx, tp->log) != NGX_OK) { |
6018
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|
272 return NULL; |
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Thread pools implementation.
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parents:
diff
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|
273 } |
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|
274 |
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|
275 /* the number may become negative */ |
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276 tp->waiting--; |
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277 |
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278 while (tp->queue.first == NULL) { |
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279 if (ngx_thread_cond_wait(&tp->cond, &tp->mtx, tp->log) |
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280 != NGX_OK) |
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281 { |
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282 (void) ngx_thread_mutex_unlock(&tp->mtx, tp->log); |
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283 return NULL; |
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284 } |
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285 } |
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286 |
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287 task = tp->queue.first; |
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288 tp->queue.first = task->next; |
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289 |
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290 if (tp->queue.first == NULL) { |
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291 tp->queue.last = &tp->queue.first; |
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292 } |
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293 |
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294 if (ngx_thread_mutex_unlock(&tp->mtx, tp->log) != NGX_OK) { |
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295 return NULL; |
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296 } |
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297 |
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298 #if 0 |
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299 ngx_time_update(); |
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300 #endif |
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301 |
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302 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0, |
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303 "run task #%ui in thread pool \"%V\"", |
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304 task->id, &tp->name); |
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305 |
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306 task->handler(task->ctx, tp->log); |
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307 |
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308 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0, |
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309 "complete task #%ui in thread pool \"%V\"", |
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310 task->id, &tp->name); |
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311 |
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312 task->next = NULL; |
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313 |
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314 ngx_spinlock(&ngx_thread_pool_done_lock, 1, 2048); |
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315 |
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316 *ngx_thread_pool_done.last = task; |
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317 ngx_thread_pool_done.last = &task->next; |
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318 |
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319 ngx_unlock(&ngx_thread_pool_done_lock); |
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320 |
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321 (void) ngx_notify(ngx_thread_pool_handler); |
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322 } |
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323 } |
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324 |
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325 |
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326 static void |
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327 ngx_thread_pool_handler(ngx_event_t *ev) |
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328 { |
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329 ngx_event_t *event; |
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330 ngx_thread_task_t *task; |
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331 |
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332 ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "thread pool handler"); |
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333 |
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334 ngx_spinlock(&ngx_thread_pool_done_lock, 1, 2048); |
6018
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335 |
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336 task = ngx_thread_pool_done.first; |
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337 ngx_thread_pool_done.first = NULL; |
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338 ngx_thread_pool_done.last = &ngx_thread_pool_done.first; |
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339 |
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340 ngx_unlock(&ngx_thread_pool_done_lock); |
6018
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341 |
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|
342 while (task) { |
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|
343 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, |
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344 "run completion handler for task #%ui", task->id); |
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|
345 |
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|
346 event = &task->event; |
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|
347 task = task->next; |
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|
348 |
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|
349 event->complete = 1; |
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Thread pools implementation.
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|
350 event->active = 0; |
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Thread pools implementation.
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|
351 |
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|
352 event->handler(event); |
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Thread pools implementation.
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|
353 } |
466bd63b63d1
Thread pools implementation.
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|
354 } |
466bd63b63d1
Thread pools implementation.
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|
355 |
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Thread pools implementation.
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|
356 |
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Thread pools implementation.
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|
357 static void * |
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Thread pools implementation.
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|
358 ngx_thread_pool_create_conf(ngx_cycle_t *cycle) |
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Thread pools implementation.
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|
359 { |
466bd63b63d1
Thread pools implementation.
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|
360 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
361 |
466bd63b63d1
Thread pools implementation.
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diff
changeset
|
362 tcf = ngx_pcalloc(cycle->pool, sizeof(ngx_thread_pool_conf_t)); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
363 if (tcf == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
364 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
365 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
366 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
367 if (ngx_array_init(&tcf->pools, cycle->pool, 4, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
368 sizeof(ngx_thread_pool_t *)) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
369 != NGX_OK) |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
370 { |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
371 return NULL; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
372 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
373 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
374 return tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
375 } |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
376 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
377 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
378 static char * |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
379 ngx_thread_pool_init_conf(ngx_cycle_t *cycle, void *conf) |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
380 { |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
381 ngx_thread_pool_conf_t *tcf = conf; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
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|
382 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
383 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
384 ngx_thread_pool_t **tpp; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
385 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
386 tpp = tcf->pools.elts; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
387 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
388 for (i = 0; i < tcf->pools.nelts; i++) { |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
389 |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
390 if (tpp[i]->threads) { |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
391 continue; |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
392 } |
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 if (tpp[i]->name.len == ngx_thread_pool_default.len |
466bd63b63d1
Thread pools implementation.
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parents:
diff
changeset
|
395 && ngx_strncmp(tpp[i]->name.data, ngx_thread_pool_default.data, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
396 ngx_thread_pool_default.len) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
397 == 0) |
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 tpp[i]->threads = 32; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
400 tpp[i]->max_queue = 65536; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
401 continue; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
402 } |
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_log_error(NGX_LOG_EMERG, cycle->log, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
405 "unknown thread pool \"%V\" in %s:%ui", |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
406 &tpp[i]->name, tpp[i]->file, tpp[i]->line); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
407 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
408 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
409 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
410 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
411 return NGX_CONF_OK; |
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 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
414 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
415 static char * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
416 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
|
417 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
418 ngx_str_t *value; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
419 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
420 ngx_thread_pool_t *tp; |
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 value = cf->args->elts; |
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 tp = ngx_thread_pool_add(cf, &value[1]); |
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 if (tp == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
427 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
428 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
429 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
430 if (tp->threads) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
431 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
432 "duplicate thread pool \"%V\"", &tp->name); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
433 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
434 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
435 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
436 tp->max_queue = 65536; |
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 for (i = 2; i < cf->args->nelts; i++) { |
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 if (ngx_strncmp(value[i].data, "threads=", 8) == 0) { |
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 tp->threads = ngx_atoi(value[i].data + 8, value[i].len - 8); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
443 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
444 if (tp->threads == (ngx_uint_t) NGX_ERROR || tp->threads == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
445 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
446 "invalid threads value \"%V\"", &value[i]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
447 return NGX_CONF_ERROR; |
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 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
450 continue; |
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 (ngx_strncmp(value[i].data, "max_queue=", 10) == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
454 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
455 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
|
456 |
6026
25fda43e3bcb
Thread pools: fixed the waiting tasks accounting.
Ruslan Ermilov <ru@nginx.com>
parents:
6025
diff
changeset
|
457 if (tp->max_queue == NGX_ERROR) { |
6018
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
458 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
459 "invalid max_queue value \"%V\"", &value[i]); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
460 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
461 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
462 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
463 continue; |
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 } |
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 == 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 "\"%V\" must have \"threads\" parameter", |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
470 &cmd->name); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
471 return NGX_CONF_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
472 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
473 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
474 return NGX_CONF_OK; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
475 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
476 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
477 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
478 ngx_thread_pool_t * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
479 ngx_thread_pool_add(ngx_conf_t *cf, ngx_str_t *name) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
480 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
481 ngx_thread_pool_t *tp, **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
482 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
483 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
484 if (name == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
485 name = &ngx_thread_pool_default; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
486 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
487 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
488 tp = ngx_thread_pool_get(cf->cycle, name); |
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) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
491 return tp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
492 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
493 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
494 tp = ngx_pcalloc(cf->pool, sizeof(ngx_thread_pool_t)); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
495 if (tp == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
496 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
497 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
498 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
499 tp->name = *name; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
500 tp->file = cf->conf_file->file.name.data; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
501 tp->line = cf->conf_file->line; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
502 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
503 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
|
504 ngx_thread_pool_module); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
505 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
506 tpp = ngx_array_push(&tcf->pools); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
507 if (tpp == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
508 return NULL; |
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 *tpp = 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 return tp; |
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 |
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 ngx_thread_pool_t * |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
518 ngx_thread_pool_get(ngx_cycle_t *cycle, ngx_str_t *name) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
519 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
520 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
521 ngx_thread_pool_t **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
522 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
523 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
524 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
525 ngx_thread_pool_module); |
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 tpp = tcf->pools.elts; |
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 for (i = 0; i < tcf->pools.nelts; i++) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
530 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
531 if (tpp[i]->name.len == name->len |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
532 && ngx_strncmp(tpp[i]->name.data, name->data, name->len) == 0) |
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 return tpp[i]; |
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 } |
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 return NULL; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
539 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
540 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
541 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
542 static ngx_int_t |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
543 ngx_thread_pool_init_worker(ngx_cycle_t *cycle) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
544 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
545 ngx_uint_t i; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
546 ngx_thread_pool_t **tpp; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
547 ngx_thread_pool_conf_t *tcf; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
548 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
549 if (ngx_process != NGX_PROCESS_WORKER |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
550 && ngx_process != NGX_PROCESS_SINGLE) |
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 return NGX_OK; |
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 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
555 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
556 ngx_thread_pool_module); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
557 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
558 if (tcf == NULL) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
559 return NGX_OK; |
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 |
6040
adaedab1e662
Thread pools: keep waiting tasks mutex in ngx_thread_pool_t.
Valentin Bartenev <vbart@nginx.com>
parents:
6039
diff
changeset
|
562 ngx_thread_pool_queue_init(&ngx_thread_pool_done); |
6018
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563 |
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564 tpp = tcf->pools.elts; |
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565 |
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566 for (i = 0; i < tcf->pools.nelts; i++) { |
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567 if (ngx_thread_pool_init(tpp[i], cycle->log, cycle->pool) != NGX_OK) { |
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568 return NGX_ERROR; |
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569 } |
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570 } |
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571 |
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572 return NGX_OK; |
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573 } |
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574 |
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575 |
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576 static void |
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577 ngx_thread_pool_exit_worker(ngx_cycle_t *cycle) |
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578 { |
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579 ngx_uint_t i; |
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580 ngx_thread_pool_t **tpp; |
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581 ngx_thread_pool_conf_t *tcf; |
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582 |
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583 if (ngx_process != NGX_PROCESS_WORKER |
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584 && ngx_process != NGX_PROCESS_SINGLE) |
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585 { |
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586 return; |
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587 } |
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588 |
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589 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx, |
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590 ngx_thread_pool_module); |
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591 |
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592 if (tcf == NULL) { |
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593 return; |
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594 } |
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595 |
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596 tpp = tcf->pools.elts; |
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597 |
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598 for (i = 0; i < tcf->pools.nelts; i++) { |
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599 ngx_thread_pool_destroy(tpp[i]); |
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600 } |
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601 } |