Mercurial > hg > nginx
annotate src/event/modules/ngx_epoll_module.c @ 4292:b272408fa698
Version bump.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 15 Nov 2011 20:33:37 +0000 |
parents | a3203c4521c6 |
children | f68047884e83 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
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469 | 12 #if (NGX_TEST_BUILD_EPOLL) |
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13 |
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14 /* epoll declarations */ |
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16 #define EPOLLIN 0x001 |
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17 #define EPOLLPRI 0x002 |
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18 #define EPOLLOUT 0x004 |
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19 #define EPOLLRDNORM 0x040 |
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20 #define EPOLLRDBAND 0x080 |
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21 #define EPOLLWRNORM 0x100 |
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22 #define EPOLLWRBAND 0x200 |
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23 #define EPOLLMSG 0x400 |
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24 #define EPOLLERR 0x008 |
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25 #define EPOLLHUP 0x010 |
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26 |
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27 #define EPOLLET 0x80000000 |
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28 #define EPOLLONESHOT 0x40000000 |
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29 |
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30 #define EPOLL_CTL_ADD 1 |
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31 #define EPOLL_CTL_DEL 2 |
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32 #define EPOLL_CTL_MOD 3 |
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33 |
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34 typedef union epoll_data { |
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35 void *ptr; |
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36 int fd; |
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37 uint32_t u32; |
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38 uint64_t u64; |
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39 } epoll_data_t; |
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40 |
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41 struct epoll_event { |
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42 uint32_t events; |
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43 epoll_data_t data; |
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44 }; |
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45 |
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46 int epoll_create(int size) |
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47 { |
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48 return -1; |
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49 } |
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50 |
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51 int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event) |
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52 { |
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53 return -1; |
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54 } |
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55 |
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56 int epoll_wait(int epfd, struct epoll_event *events, int nevents, int timeout) |
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57 { |
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58 return -1; |
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59 } |
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60 |
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61 #if (NGX_HAVE_FILE_AIO) |
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62 |
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63 #define SYS_io_setup 245 |
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64 #define SYS_io_destroy 246 |
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65 #define SYS_io_getevents 247 |
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66 #define SYS_eventfd 323 |
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67 |
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68 typedef u_int aio_context_t; |
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69 |
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70 struct io_event { |
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71 uint64_t data; /* the data field from the iocb */ |
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72 uint64_t obj; /* what iocb this event came from */ |
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73 int64_t res; /* result code for this event */ |
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74 int64_t res2; /* secondary result */ |
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75 }; |
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76 |
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77 |
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78 int eventfd(u_int initval) |
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79 { |
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80 return -1; |
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81 } |
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82 |
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83 #endif |
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84 #endif |
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85 |
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86 |
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87 typedef struct { |
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88 ngx_uint_t events; |
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89 ngx_uint_t aio_requests; |
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90 } ngx_epoll_conf_t; |
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91 |
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563 | 93 static ngx_int_t ngx_epoll_init(ngx_cycle_t *cycle, ngx_msec_t timer); |
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94 static void ngx_epoll_done(ngx_cycle_t *cycle); |
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95 static ngx_int_t ngx_epoll_add_event(ngx_event_t *ev, ngx_int_t event, |
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96 ngx_uint_t flags); |
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97 static ngx_int_t ngx_epoll_del_event(ngx_event_t *ev, ngx_int_t event, |
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98 ngx_uint_t flags); |
499 | 99 static ngx_int_t ngx_epoll_add_connection(ngx_connection_t *c); |
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100 static ngx_int_t ngx_epoll_del_connection(ngx_connection_t *c, |
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101 ngx_uint_t flags); |
563 | 102 static ngx_int_t ngx_epoll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, |
103 ngx_uint_t flags); | |
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104 |
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105 #if (NGX_HAVE_FILE_AIO) |
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106 static void ngx_epoll_eventfd_handler(ngx_event_t *ev); |
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107 #endif |
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108 |
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109 static void *ngx_epoll_create_conf(ngx_cycle_t *cycle); |
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110 static char *ngx_epoll_init_conf(ngx_cycle_t *cycle, void *conf); |
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111 |
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112 static int ep = -1; |
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113 static struct epoll_event *event_list; |
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114 static ngx_uint_t nevents; |
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115 |
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116 #if (NGX_HAVE_FILE_AIO) |
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117 |
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118 int ngx_eventfd = -1; |
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119 aio_context_t ngx_aio_ctx = 0; |
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120 |
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121 static ngx_event_t ngx_eventfd_event; |
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122 static ngx_connection_t ngx_eventfd_conn; |
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123 |
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124 #endif |
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125 |
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126 static ngx_str_t epoll_name = ngx_string("epoll"); |
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127 |
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128 static ngx_command_t ngx_epoll_commands[] = { |
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129 |
499 | 130 { ngx_string("epoll_events"), |
131 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
132 ngx_conf_set_num_slot, | |
133 0, | |
134 offsetof(ngx_epoll_conf_t, events), | |
135 NULL }, | |
245
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136 |
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137 { ngx_string("worker_aio_requests"), |
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138 NGX_EVENT_CONF|NGX_CONF_TAKE1, |
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139 ngx_conf_set_num_slot, |
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140 0, |
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141 offsetof(ngx_epoll_conf_t, aio_requests), |
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142 NULL }, |
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143 |
499 | 144 ngx_null_command |
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145 }; |
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146 |
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147 |
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148 ngx_event_module_t ngx_epoll_module_ctx = { |
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149 &epoll_name, |
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150 ngx_epoll_create_conf, /* create configuration */ |
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151 ngx_epoll_init_conf, /* init configuration */ |
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152 |
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153 { |
246
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154 ngx_epoll_add_event, /* add an event */ |
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155 ngx_epoll_del_event, /* delete an event */ |
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156 ngx_epoll_add_event, /* enable an event */ |
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157 ngx_epoll_del_event, /* disable an event */ |
381
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158 ngx_epoll_add_connection, /* add an connection */ |
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159 ngx_epoll_del_connection, /* delete an connection */ |
380
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160 NULL, /* process the changes */ |
245
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161 ngx_epoll_process_events, /* process the events */ |
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162 ngx_epoll_init, /* init the events */ |
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163 ngx_epoll_done, /* done the events */ |
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164 } |
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165 }; |
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166 |
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167 ngx_module_t ngx_epoll_module = { |
509 | 168 NGX_MODULE_V1, |
245
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169 &ngx_epoll_module_ctx, /* module context */ |
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170 ngx_epoll_commands, /* module directives */ |
381
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171 NGX_EVENT_MODULE, /* module type */ |
541 | 172 NULL, /* init master */ |
381
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173 NULL, /* init module */ |
541 | 174 NULL, /* init process */ |
175 NULL, /* init thread */ | |
176 NULL, /* exit thread */ | |
177 NULL, /* exit process */ | |
178 NULL, /* exit master */ | |
179 NGX_MODULE_V1_PADDING | |
245
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180 }; |
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181 |
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182 |
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183 #if (NGX_HAVE_FILE_AIO) |
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184 |
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185 /* |
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186 * We call io_setup(), io_destroy() io_submit(), and io_getevents() directly |
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187 * as syscalls instead of libaio usage, because the library header file |
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188 * supports eventfd() since 0.3.107 version only. |
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189 * |
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190 * Also we do not use eventfd() in glibc, because glibc supports it |
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191 * since 2.8 version and glibc maps two syscalls eventfd() and eventfd2() |
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192 * into single eventfd() function with different number of parameters. |
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193 */ |
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194 |
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195 static int |
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196 io_setup(u_int nr_reqs, aio_context_t *ctx) |
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197 { |
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198 return syscall(SYS_io_setup, nr_reqs, ctx); |
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199 } |
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200 |
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201 |
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202 static int |
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203 io_destroy(aio_context_t ctx) |
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204 { |
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205 return syscall(SYS_io_destroy, ctx); |
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206 } |
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207 |
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208 |
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209 static int |
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210 io_getevents(aio_context_t ctx, long min_nr, long nr, struct io_event *events, |
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211 struct timespec *tmo) |
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212 { |
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213 return syscall(SYS_io_getevents, ctx, min_nr, nr, events, tmo); |
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214 } |
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215 |
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216 |
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217 static void |
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218 ngx_epoll_aio_init(ngx_cycle_t *cycle, ngx_epoll_conf_t *epcf) |
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219 { |
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220 int n; |
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221 struct epoll_event ee; |
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222 |
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223 ngx_eventfd = syscall(SYS_eventfd, 0); |
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224 |
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225 if (ngx_eventfd == -1) { |
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226 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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227 "eventfd() failed"); |
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228 ngx_file_aio = 0; |
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229 return; |
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230 } |
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231 |
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232 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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233 "eventfd: %d", ngx_eventfd); |
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234 |
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235 n = 1; |
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236 |
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237 if (ioctl(ngx_eventfd, FIONBIO, &n) == -1) { |
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238 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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239 "ioctl(eventfd, FIONBIO) failed"); |
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240 goto failed; |
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241 } |
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242 |
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243 if (io_setup(epcf->aio_requests, &ngx_aio_ctx) == -1) { |
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244 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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245 "io_setup() failed"); |
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246 goto failed; |
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247 } |
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248 |
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249 ngx_eventfd_event.data = &ngx_eventfd_conn; |
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250 ngx_eventfd_event.handler = ngx_epoll_eventfd_handler; |
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251 ngx_eventfd_event.log = cycle->log; |
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252 ngx_eventfd_event.active = 1; |
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253 ngx_eventfd_conn.fd = ngx_eventfd; |
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254 ngx_eventfd_conn.read = &ngx_eventfd_event; |
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255 ngx_eventfd_conn.log = cycle->log; |
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256 |
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257 ee.events = EPOLLIN|EPOLLET; |
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258 ee.data.ptr = &ngx_eventfd_conn; |
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259 |
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260 if (epoll_ctl(ep, EPOLL_CTL_ADD, ngx_eventfd, &ee) != -1) { |
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261 return; |
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262 } |
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263 |
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264 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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265 "epoll_ctl(EPOLL_CTL_ADD, eventfd) failed"); |
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266 |
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267 if (io_destroy(ngx_aio_ctx) == -1) { |
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268 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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269 "io_destroy() failed"); |
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270 } |
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271 |
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272 failed: |
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273 |
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274 if (close(ngx_eventfd) == -1) { |
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275 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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276 "eventfd close() failed"); |
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277 } |
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278 |
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279 ngx_eventfd = -1; |
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280 ngx_aio_ctx = 0; |
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281 ngx_file_aio = 0; |
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282 } |
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283 |
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284 #endif |
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285 |
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286 |
499 | 287 static ngx_int_t |
563 | 288 ngx_epoll_init(ngx_cycle_t *cycle, ngx_msec_t timer) |
245
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289 { |
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290 ngx_epoll_conf_t *epcf; |
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291 |
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292 epcf = ngx_event_get_conf(cycle->conf_ctx, ngx_epoll_module); |
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293 |
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294 if (ep == -1) { |
2062
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295 ep = epoll_create(cycle->connection_n / 2); |
245
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296 |
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297 if (ep == -1) { |
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298 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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299 "epoll_create() failed"); |
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300 return NGX_ERROR; |
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301 } |
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302 |
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303 #if (NGX_HAVE_FILE_AIO) |
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304 |
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305 ngx_epoll_aio_init(cycle, epcf); |
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306 |
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307 #endif |
245
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308 } |
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309 |
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310 if (nevents < epcf->events) { |
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311 if (event_list) { |
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312 ngx_free(event_list); |
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313 } |
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314 |
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315 event_list = ngx_alloc(sizeof(struct epoll_event) * epcf->events, |
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316 cycle->log); |
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317 if (event_list == NULL) { |
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318 return NGX_ERROR; |
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319 } |
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320 } |
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321 |
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322 nevents = epcf->events; |
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323 |
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324 ngx_io = ngx_os_io; |
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325 |
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326 ngx_event_actions = ngx_epoll_module_ctx.actions; |
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327 |
469 | 328 #if (NGX_HAVE_CLEAR_EVENT) |
306
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329 ngx_event_flags = NGX_USE_CLEAR_EVENT |
259
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330 #else |
306
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331 ngx_event_flags = NGX_USE_LEVEL_EVENT |
259
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|
332 #endif |
455 | 333 |NGX_USE_GREEDY_EVENT |
381
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|
334 |NGX_USE_EPOLL_EVENT; |
245
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335 |
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336 return NGX_OK; |
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337 } |
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338 |
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339 |
499 | 340 static void |
341 ngx_epoll_done(ngx_cycle_t *cycle) | |
245
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342 { |
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343 if (close(ep) == -1) { |
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344 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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345 "epoll close() failed"); |
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346 } |
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347 |
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348 ep = -1; |
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349 |
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350 #if (NGX_HAVE_FILE_AIO) |
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351 |
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352 if (ngx_eventfd != -1) { |
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353 |
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354 if (io_destroy(ngx_aio_ctx) == -1) { |
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355 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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356 "io_destroy() failed"); |
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357 } |
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358 |
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359 if (close(ngx_eventfd) == -1) { |
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360 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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361 "eventfd close() failed"); |
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362 } |
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363 |
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364 ngx_eventfd = -1; |
3052
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FreeBSD and Linux AIO support
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365 } |
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FreeBSD and Linux AIO support
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366 |
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367 ngx_aio_ctx = 0; |
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368 |
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369 #endif |
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370 |
245
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371 ngx_free(event_list); |
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372 |
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373 event_list = NULL; |
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374 nevents = 0; |
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375 } |
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376 |
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377 |
499 | 378 static ngx_int_t |
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379 ngx_epoll_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
246
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380 { |
483 | 381 int op; |
382 uint32_t events, prev; | |
259
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383 ngx_event_t *e; |
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384 ngx_connection_t *c; |
258
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385 struct epoll_event ee; |
246
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386 |
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387 c = ev->data; |
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388 |
483 | 389 events = (uint32_t) event; |
390 | |
246
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391 if (event == NGX_READ_EVENT) { |
259
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392 e = c->write; |
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393 prev = EPOLLOUT; |
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394 #if (NGX_READ_EVENT != EPOLLIN) |
483 | 395 events = EPOLLIN; |
257
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nginx-0.0.2-2004-02-11-20:08:49 import
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396 #endif |
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397 |
259
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398 } else { |
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399 e = c->read; |
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400 prev = EPOLLIN; |
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401 #if (NGX_WRITE_EVENT != EPOLLOUT) |
483 | 402 events = EPOLLOUT; |
259
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403 #endif |
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diff
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404 } |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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405 |
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406 if (e->active) { |
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nginx-0.0.2-2004-02-12-23:57:10 import
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407 op = EPOLL_CTL_MOD; |
483 | 408 events |= prev; |
246
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409 |
259
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nginx-0.0.2-2004-02-12-23:57:10 import
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410 } else { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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411 op = EPOLL_CTL_ADD; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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412 } |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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413 |
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changeset
|
414 ee.events = events | (uint32_t) flags; |
581 | 415 ee.data.ptr = (void *) ((uintptr_t) c | ev->instance); |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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|
416 |
259
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nginx-0.0.2-2004-02-12-23:57:10 import
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parents:
258
diff
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|
417 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
461 | 418 "epoll add event: fd:%d op:%d ev:%08XD", |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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|
419 c->fd, op, ee.events); |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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diff
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|
420 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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421 if (epoll_ctl(ep, op, c->fd, &ee) == -1) { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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diff
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422 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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258
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|
423 "epoll_ctl(%d, %d) failed", op, c->fd); |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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424 return NGX_ERROR; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
245
diff
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425 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
245
diff
changeset
|
426 |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
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|
427 ev->active = 1; |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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428 #if 0 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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429 ev->oneshot = (flags & NGX_ONESHOT_EVENT) ? 1 : 0; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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430 #endif |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
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|
431 |
246
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nginx-0.0.1-2004-01-30-20:39:00 import
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432 return NGX_OK; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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245
diff
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|
433 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
245
diff
changeset
|
434 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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435 |
499 | 436 static ngx_int_t |
1354
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make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
663
diff
changeset
|
437 ngx_epoll_del_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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245
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|
438 { |
483 | 439 int op; |
440 uint32_t prev; | |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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|
441 ngx_event_t *e; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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258
diff
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|
442 ngx_connection_t *c; |
258
733dffa1fe97
nginx-0.0.2-2004-02-11-10:19:26 import
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257
diff
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|
443 struct epoll_event ee; |
259
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|
444 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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258
diff
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|
445 /* |
483 | 446 * when the file descriptor is closed, the epoll automatically deletes |
447 * it from its queue, so we do not need to delete explicity the event | |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
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parents:
305
diff
changeset
|
448 * before the closing the file descriptor |
259
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diff
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|
449 */ |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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diff
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|
450 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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258
diff
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|
451 if (flags & NGX_CLOSE_EVENT) { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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|
452 ev->active = 0; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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|
453 return NGX_OK; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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258
diff
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|
454 } |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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245
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|
455 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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|
456 c = ev->data; |
6753e8cdaa2c
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457 |
259
d30f2c39caae
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|
458 if (event == NGX_READ_EVENT) { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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|
459 e = c->write; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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258
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|
460 prev = EPOLLOUT; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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258
diff
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|
461 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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diff
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|
462 } else { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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|
463 e = c->read; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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|
464 prev = EPOLLIN; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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|
465 } |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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diff
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|
466 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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258
diff
changeset
|
467 if (e->active) { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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468 op = EPOLL_CTL_MOD; |
1354
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parents:
663
diff
changeset
|
469 ee.events = prev | (uint32_t) flags; |
581 | 470 ee.data.ptr = (void *) ((uintptr_t) c | ev->instance); |
246
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471 |
259
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diff
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|
472 } else { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
473 op = EPOLL_CTL_DEL; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
474 ee.events = 0; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
475 ee.data.ptr = NULL; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
476 } |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
477 |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
478 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
461 | 479 "epoll del event: fd:%d op:%d ev:%08XD", |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
480 c->fd, op, ee.events); |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
481 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
482 if (epoll_ctl(ep, op, c->fd, &ee) == -1) { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
483 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
484 "epoll_ctl(%d, %d) failed", op, c->fd); |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
485 return NGX_ERROR; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
486 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
487 |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
488 ev->active = 0; |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
489 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
490 return NGX_OK; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
491 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
492 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
493 |
499 | 494 static ngx_int_t |
495 ngx_epoll_add_connection(ngx_connection_t *c) | |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
496 { |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
497 struct epoll_event ee; |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
498 |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
499 ee.events = EPOLLIN|EPOLLOUT|EPOLLET; |
581 | 500 ee.data.ptr = (void *) ((uintptr_t) c | c->read->instance); |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
501 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
502 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
461 | 503 "epoll add connection: fd:%d ev:%08XD", c->fd, ee.events); |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
504 |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
505 if (epoll_ctl(ep, EPOLL_CTL_ADD, c->fd, &ee) == -1) { |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
506 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
507 "epoll_ctl(EPOLL_CTL_ADD, %d) failed", c->fd); |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
508 return NGX_ERROR; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
509 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
510 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
511 c->read->active = 1; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
512 c->write->active = 1; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
513 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
514 return NGX_OK; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
515 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
516 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
517 |
499 | 518 static ngx_int_t |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
663
diff
changeset
|
519 ngx_epoll_del_connection(ngx_connection_t *c, ngx_uint_t flags) |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
520 { |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
663
diff
changeset
|
521 int op; |
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
663
diff
changeset
|
522 struct epoll_event ee; |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
523 |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
524 /* |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
525 * when the file descriptor is closed the epoll automatically deletes |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
526 * it from its queue so we do not need to delete explicity the event |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
527 * before the closing the file descriptor |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
528 */ |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
529 |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
530 if (flags & NGX_CLOSE_EVENT) { |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
531 c->read->active = 0; |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
532 c->write->active = 0; |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
533 return NGX_OK; |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
534 } |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
535 |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
536 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
537 "epoll del connection: fd:%d", c->fd); |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
538 |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
539 op = EPOLL_CTL_DEL; |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
540 ee.events = 0; |
581 | 541 ee.data.ptr = NULL; |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
542 |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
543 if (epoll_ctl(ep, op, c->fd, &ee) == -1) { |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
544 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
545 "epoll_ctl(%d, %d) failed", op, c->fd); |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
546 return NGX_ERROR; |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
547 } |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
548 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
549 c->read->active = 0; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
550 c->write->active = 0; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
551 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
552 return NGX_OK; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
553 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
554 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
555 |
499 | 556 static ngx_int_t |
563 | 557 ngx_epoll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, ngx_uint_t flags) |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
558 { |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
559 int events; |
483 | 560 uint32_t revents; |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
561 ngx_int_t instance, i; |
563 | 562 ngx_uint_t level; |
309
2e899477243a
nginx-0.0.3-2004-04-09-20:03:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
563 ngx_err_t err; |
563 | 564 ngx_event_t *rev, *wev, **queue; |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
565 ngx_connection_t *c; |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
566 |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
567 /* NGX_TIMER_INFINITE == INFTIM */ |
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
568 |
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
259
diff
changeset
|
569 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
557 | 570 "epoll timer: %M", timer); |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
571 |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
663
diff
changeset
|
572 events = epoll_wait(ep, event_list, (int) nevents, timer); |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
573 |
3043 | 574 err = (events == -1) ? ngx_errno : 0; |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
575 |
3473
0299cf5856fc
do not update time in the timer signal handler,
Igor Sysoev <igor@sysoev.ru>
parents:
3052
diff
changeset
|
576 if (flags & NGX_UPDATE_TIME || ngx_event_timer_alarm) { |
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
577 ngx_time_update(); |
563 | 578 } |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
579 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
580 if (err) { |
563 | 581 if (err == NGX_EINTR) { |
582 | |
583 if (ngx_event_timer_alarm) { | |
584 ngx_event_timer_alarm = 0; | |
585 return NGX_OK; | |
586 } | |
577 | 587 |
563 | 588 level = NGX_LOG_INFO; |
577 | 589 |
590 } else { | |
563 | 591 level = NGX_LOG_ALERT; |
592 } | |
593 | |
594 ngx_log_error(level, cycle->log, err, "epoll_wait() failed"); | |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
595 return NGX_ERROR; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
596 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
597 |
563 | 598 if (events == 0) { |
567 | 599 if (timer != NGX_TIMER_INFINITE) { |
600 return NGX_OK; | |
601 } | |
602 | |
603 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
604 "epoll_wait() returned no events without timeout"); | |
605 return NGX_ERROR; | |
563 | 606 } |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
607 |
563 | 608 ngx_mutex_lock(ngx_posted_events_mutex); |
306
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609 |
245
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610 for (i = 0; i < events; i++) { |
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611 c = event_list[i].data.ptr; |
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612 |
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613 instance = (uintptr_t) c & 1; |
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614 c = (ngx_connection_t *) ((uintptr_t) c & (uintptr_t) ~1); |
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615 |
381
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616 rev = c->read; |
305
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617 |
381
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618 if (c->fd == -1 || rev->instance != instance) { |
245
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619 |
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620 /* |
247
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621 * the stale event from a file descriptor |
245
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622 * that was just closed in this iteration |
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623 */ |
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624 |
312
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625 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 626 "epoll: stale event %p", c); |
245
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627 continue; |
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628 } |
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629 |
483 | 630 revents = event_list[i].events; |
631 | |
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632 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 633 "epoll: fd:%d ev:%04XD d:%p", |
577 | 634 c->fd, revents, event_list[i].data.ptr); |
311
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635 |
483 | 636 if (revents & (EPOLLERR|EPOLLHUP)) { |
3902
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637 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 638 "epoll_wait() error on fd:%d ev:%04XD", |
483 | 639 c->fd, revents); |
640 } | |
641 | |
663 | 642 #if 0 |
483 | 643 if (revents & ~(EPOLLIN|EPOLLOUT|EPOLLERR|EPOLLHUP)) { |
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644 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
483 | 645 "strange epoll_wait() events fd:%d ev:%04XD", |
646 c->fd, revents); | |
247
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647 } |
663 | 648 #endif |
245
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649 |
483 | 650 if ((revents & (EPOLLERR|EPOLLHUP)) |
651 && (revents & (EPOLLIN|EPOLLOUT)) == 0) | |
652 { | |
653 /* | |
654 * if the error events were returned without EPOLLIN or EPOLLOUT, | |
655 * then add these flags to handle the events at least in one | |
656 * active handler | |
657 */ | |
658 | |
659 revents |= EPOLLIN|EPOLLOUT; | |
247
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660 } |
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661 |
563 | 662 if ((revents & EPOLLIN) && rev->active) { |
663 | |
664 if ((flags & NGX_POST_THREAD_EVENTS) && !rev->accept) { | |
665 rev->posted_ready = 1; | |
666 | |
667 } else { | |
668 rev->ready = 1; | |
669 } | |
670 | |
671 if (flags & NGX_POST_EVENTS) { | |
672 queue = (ngx_event_t **) (rev->accept ? | |
673 &ngx_posted_accept_events : &ngx_posted_events); | |
674 | |
675 ngx_locked_post_event(rev, queue); | |
676 | |
677 } else { | |
678 rev->handler(rev); | |
679 } | |
680 } | |
681 | |
381
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|
682 wev = c->write; |
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|
683 |
483 | 684 if ((revents & EPOLLOUT) && wev->active) { |
685 | |
563 | 686 if (flags & NGX_POST_THREAD_EVENTS) { |
381
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|
687 wev->posted_ready = 1; |
306
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688 |
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689 } else { |
381
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|
690 wev->ready = 1; |
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691 } |
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692 |
563 | 693 if (flags & NGX_POST_EVENTS) { |
694 ngx_locked_post_event(wev, &ngx_posted_events); | |
306
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695 |
563 | 696 } else { |
697 wev->handler(wev); | |
306
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698 } |
245
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|
699 } |
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|
700 } |
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701 |
563 | 702 ngx_mutex_unlock(ngx_posted_events_mutex); |
306
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|
703 |
245
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|
704 return NGX_OK; |
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|
705 } |
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|
706 |
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|
707 |
3052
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708 #if (NGX_HAVE_FILE_AIO) |
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709 |
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710 static void |
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711 ngx_epoll_eventfd_handler(ngx_event_t *ev) |
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712 { |
4129
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713 int n, events; |
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714 long i; |
3052
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|
715 uint64_t ready; |
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|
716 ngx_err_t err; |
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717 ngx_event_t *e; |
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718 ngx_event_aio_t *aio; |
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719 struct io_event event[64]; |
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|
720 struct timespec ts; |
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|
721 |
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722 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "eventfd handler"); |
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723 |
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724 n = read(ngx_eventfd, &ready, 8); |
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|
725 |
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|
726 err = ngx_errno; |
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|
727 |
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728 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0, "eventfd: %d", n); |
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|
729 |
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diff
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|
730 if (n != 8) { |
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|
731 if (n == -1) { |
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|
732 if (err == NGX_EAGAIN) { |
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|
733 return; |
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|
734 } |
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|
735 |
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736 ngx_log_error(NGX_LOG_ALERT, ev->log, err, "read(eventfd) failed"); |
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737 return; |
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|
738 } |
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739 |
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740 ngx_log_error(NGX_LOG_ALERT, ev->log, 0, |
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|
741 "read(eventfd) returned only %d bytes", n); |
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|
742 return; |
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|
743 } |
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|
744 |
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|
745 ts.tv_sec = 0; |
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|
746 ts.tv_nsec = 0; |
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|
747 |
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|
748 while (ready) { |
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|
749 |
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750 events = io_getevents(ngx_aio_ctx, 1, 64, event, &ts); |
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751 |
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752 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
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|
753 "io_getevents: %l", events); |
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|
754 |
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|
755 if (events > 0) { |
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|
756 ready -= events; |
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|
757 |
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758 for (i = 0; i < events; i++) { |
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|
759 |
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760 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
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761 "io_event: %uXL %uXL %L %L", |
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762 event[i].data, event[i].obj, |
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763 event[i].res, event[i].res2); |
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|
764 |
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|
765 e = (ngx_event_t *) (uintptr_t) event[i].data; |
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|
766 |
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|
767 e->complete = 1; |
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768 e->active = 0; |
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769 e->ready = 1; |
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770 |
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771 aio = e->data; |
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772 aio->res = event[i].res; |
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773 |
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774 ngx_post_event(e, &ngx_posted_events); |
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775 } |
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776 |
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777 continue; |
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778 } |
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779 |
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780 if (events == 0) { |
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781 return; |
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782 } |
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783 |
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Fixing Linux AIO syscalls return value handling:
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784 /* events == -1 */ |
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785 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
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786 "io_getevents() failed"); |
3052
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787 return; |
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788 } |
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789 } |
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790 |
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791 #endif |
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792 |
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793 |
499 | 794 static void * |
795 ngx_epoll_create_conf(ngx_cycle_t *cycle) | |
245
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796 { |
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797 ngx_epoll_conf_t *epcf; |
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798 |
501 | 799 epcf = ngx_palloc(cycle->pool, sizeof(ngx_epoll_conf_t)); |
800 if (epcf == NULL) { | |
2912
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diff
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801 return NULL; |
501 | 802 } |
245
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803 |
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804 epcf->events = NGX_CONF_UNSET; |
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805 epcf->aio_requests = NGX_CONF_UNSET; |
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806 |
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807 return epcf; |
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808 } |
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809 |
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810 |
499 | 811 static char * |
812 ngx_epoll_init_conf(ngx_cycle_t *cycle, void *conf) | |
245
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813 { |
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814 ngx_epoll_conf_t *epcf = conf; |
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|
815 |
663 | 816 ngx_conf_init_uint_value(epcf->events, 512); |
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817 ngx_conf_init_uint_value(epcf->aio_requests, 32); |
245
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diff
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|
818 |
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diff
changeset
|
819 return NGX_CONF_OK; |
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820 } |