Mercurial > hg > nginx
annotate src/event/modules/ngx_epoll_module.c @ 6536:f7849bfb6d21
Improved EPOLLRDHUP handling.
When it's known that the kernel supports EPOLLRDHUP, there is no need in
additional recv() call to get EOF or error when the flag is absent in the
event generated by the kernel. A special runtime test is done at startup
to detect if EPOLLRDHUP is actually supported by the kernel because
epoll_ctl() silently ignores unknown flags.
With this knowledge it's now possible to drop the "ready" flag for partial
read. Previously, the "ready" flag was kept until the recv() returned EOF
or error. In particular, this change allows the lingering close heuristics
(which relies on the "ready" flag state) to actually work on Linux, and not
wait for more data in most cases.
The "available" flag is now used in the read event with the semantics similar
to the corresponding counter in kqueue.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Fri, 13 May 2016 17:19:23 +0300 |
parents | 7640d6c213e1 |
children | 3ad1064a3aae |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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12 |
469 | 13 #if (NGX_TEST_BUILD_EPOLL) |
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15 /* epoll declarations */ |
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17 #define EPOLLIN 0x001 |
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18 #define EPOLLPRI 0x002 |
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19 #define EPOLLOUT 0x004 |
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20 #define EPOLLRDNORM 0x040 |
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21 #define EPOLLRDBAND 0x080 |
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22 #define EPOLLWRNORM 0x100 |
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23 #define EPOLLWRBAND 0x200 |
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24 #define EPOLLMSG 0x400 |
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25 #define EPOLLERR 0x008 |
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26 #define EPOLLHUP 0x010 |
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27 |
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28 #define EPOLLRDHUP 0x2000 |
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30 #define EPOLLET 0x80000000 |
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31 #define EPOLLONESHOT 0x40000000 |
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32 |
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33 #define EPOLL_CTL_ADD 1 |
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34 #define EPOLL_CTL_DEL 2 |
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35 #define EPOLL_CTL_MOD 3 |
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36 |
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37 typedef union epoll_data { |
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38 void *ptr; |
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39 int fd; |
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40 uint32_t u32; |
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41 uint64_t u64; |
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42 } epoll_data_t; |
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43 |
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44 struct epoll_event { |
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45 uint32_t events; |
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46 epoll_data_t data; |
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47 }; |
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48 |
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49 |
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50 int epoll_create(int size); |
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52 int epoll_create(int size) |
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53 { |
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54 return -1; |
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55 } |
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57 |
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58 int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event); |
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60 int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event) |
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61 { |
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62 return -1; |
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63 } |
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64 |
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65 |
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66 int epoll_wait(int epfd, struct epoll_event *events, int nevents, int timeout); |
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67 |
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68 int epoll_wait(int epfd, struct epoll_event *events, int nevents, int timeout) |
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69 { |
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70 return -1; |
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71 } |
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72 |
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73 #if (NGX_HAVE_EVENTFD) |
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74 #define SYS_eventfd 323 |
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75 #endif |
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76 |
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77 #if (NGX_HAVE_FILE_AIO) |
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78 |
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79 #define SYS_io_setup 245 |
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80 #define SYS_io_destroy 246 |
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81 #define SYS_io_getevents 247 |
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82 |
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83 typedef u_int aio_context_t; |
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84 |
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85 struct io_event { |
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86 uint64_t data; /* the data field from the iocb */ |
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87 uint64_t obj; /* what iocb this event came from */ |
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88 int64_t res; /* result code for this event */ |
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89 int64_t res2; /* secondary result */ |
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90 }; |
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91 |
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92 |
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93 #endif |
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94 #endif /* NGX_TEST_BUILD_EPOLL */ |
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95 |
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96 |
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97 typedef struct { |
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98 ngx_uint_t events; |
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99 ngx_uint_t aio_requests; |
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100 } ngx_epoll_conf_t; |
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101 |
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102 |
563 | 103 static ngx_int_t ngx_epoll_init(ngx_cycle_t *cycle, ngx_msec_t timer); |
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104 #if (NGX_HAVE_EVENTFD) |
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105 static ngx_int_t ngx_epoll_notify_init(ngx_log_t *log); |
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106 static void ngx_epoll_notify_handler(ngx_event_t *ev); |
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107 #endif |
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108 static void ngx_epoll_done(ngx_cycle_t *cycle); |
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109 static ngx_int_t ngx_epoll_add_event(ngx_event_t *ev, ngx_int_t event, |
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110 ngx_uint_t flags); |
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111 static ngx_int_t ngx_epoll_del_event(ngx_event_t *ev, ngx_int_t event, |
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112 ngx_uint_t flags); |
499 | 113 static ngx_int_t ngx_epoll_add_connection(ngx_connection_t *c); |
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114 static ngx_int_t ngx_epoll_del_connection(ngx_connection_t *c, |
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115 ngx_uint_t flags); |
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116 #if (NGX_HAVE_EVENTFD) |
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117 static ngx_int_t ngx_epoll_notify(ngx_event_handler_pt handler); |
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118 #endif |
563 | 119 static ngx_int_t ngx_epoll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, |
120 ngx_uint_t flags); | |
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121 |
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122 #if (NGX_HAVE_FILE_AIO) |
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123 static void ngx_epoll_eventfd_handler(ngx_event_t *ev); |
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124 #endif |
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125 |
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126 static ngx_int_t ngx_epoll_module_init(ngx_cycle_t *cycle); |
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127 static void *ngx_epoll_create_conf(ngx_cycle_t *cycle); |
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128 static char *ngx_epoll_init_conf(ngx_cycle_t *cycle, void *conf); |
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129 |
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130 static int ep = -1; |
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131 static struct epoll_event *event_list; |
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132 static ngx_uint_t nevents; |
245
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133 |
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134 #if (NGX_HAVE_EVENTFD) |
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135 static int notify_fd = -1; |
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136 static ngx_event_t notify_event; |
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137 static ngx_connection_t notify_conn; |
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138 #endif |
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139 |
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140 #if (NGX_HAVE_FILE_AIO) |
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141 |
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142 int ngx_eventfd = -1; |
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143 aio_context_t ngx_aio_ctx = 0; |
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144 |
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145 static ngx_event_t ngx_eventfd_event; |
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146 static ngx_connection_t ngx_eventfd_conn; |
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147 |
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148 #endif |
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149 |
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150 #if (NGX_HAVE_EPOLLRDHUP) |
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151 ngx_uint_t ngx_use_epoll_rdhup; |
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152 #endif |
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153 |
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154 static ngx_str_t epoll_name = ngx_string("epoll"); |
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155 |
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156 static ngx_command_t ngx_epoll_commands[] = { |
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157 |
499 | 158 { ngx_string("epoll_events"), |
159 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
160 ngx_conf_set_num_slot, | |
161 0, | |
162 offsetof(ngx_epoll_conf_t, events), | |
163 NULL }, | |
245
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164 |
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165 { ngx_string("worker_aio_requests"), |
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166 NGX_EVENT_CONF|NGX_CONF_TAKE1, |
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167 ngx_conf_set_num_slot, |
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168 0, |
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169 offsetof(ngx_epoll_conf_t, aio_requests), |
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170 NULL }, |
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171 |
499 | 172 ngx_null_command |
245
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173 }; |
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174 |
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175 |
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176 ngx_event_module_t ngx_epoll_module_ctx = { |
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177 &epoll_name, |
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178 ngx_epoll_create_conf, /* create configuration */ |
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179 ngx_epoll_init_conf, /* init configuration */ |
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180 |
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181 { |
246
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182 ngx_epoll_add_event, /* add an event */ |
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183 ngx_epoll_del_event, /* delete an event */ |
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184 ngx_epoll_add_event, /* enable an event */ |
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185 ngx_epoll_del_event, /* disable an event */ |
381
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186 ngx_epoll_add_connection, /* add an connection */ |
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187 ngx_epoll_del_connection, /* delete an connection */ |
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188 #if (NGX_HAVE_EVENTFD) |
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189 ngx_epoll_notify, /* trigger a notify */ |
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190 #else |
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191 NULL, /* trigger a notify */ |
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192 #endif |
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193 ngx_epoll_process_events, /* process the events */ |
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194 ngx_epoll_init, /* init the events */ |
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195 ngx_epoll_done, /* done the events */ |
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196 } |
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197 }; |
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198 |
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199 ngx_module_t ngx_epoll_module = { |
509 | 200 NGX_MODULE_V1, |
245
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201 &ngx_epoll_module_ctx, /* module context */ |
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202 ngx_epoll_commands, /* module directives */ |
381
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203 NGX_EVENT_MODULE, /* module type */ |
541 | 204 NULL, /* init master */ |
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205 ngx_epoll_module_init, /* init module */ |
541 | 206 NULL, /* init process */ |
207 NULL, /* init thread */ | |
208 NULL, /* exit thread */ | |
209 NULL, /* exit process */ | |
210 NULL, /* exit master */ | |
211 NGX_MODULE_V1_PADDING | |
245
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212 }; |
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213 |
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214 |
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215 #if (NGX_HAVE_FILE_AIO) |
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216 |
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217 /* |
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218 * We call io_setup(), io_destroy() io_submit(), and io_getevents() directly |
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219 * as syscalls instead of libaio usage, because the library header file |
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220 * supports eventfd() since 0.3.107 version only. |
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221 */ |
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222 |
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223 static int |
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224 io_setup(u_int nr_reqs, aio_context_t *ctx) |
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225 { |
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226 return syscall(SYS_io_setup, nr_reqs, ctx); |
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227 } |
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228 |
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229 |
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230 static int |
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231 io_destroy(aio_context_t ctx) |
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232 { |
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233 return syscall(SYS_io_destroy, ctx); |
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234 } |
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235 |
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236 |
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237 static int |
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238 io_getevents(aio_context_t ctx, long min_nr, long nr, struct io_event *events, |
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239 struct timespec *tmo) |
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240 { |
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241 return syscall(SYS_io_getevents, ctx, min_nr, nr, events, tmo); |
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242 } |
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243 |
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244 |
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245 static void |
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246 ngx_epoll_aio_init(ngx_cycle_t *cycle, ngx_epoll_conf_t *epcf) |
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247 { |
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248 int n; |
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249 struct epoll_event ee; |
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250 |
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251 #if (NGX_HAVE_SYS_EVENTFD_H) |
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252 ngx_eventfd = eventfd(0, 0); |
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253 #else |
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254 ngx_eventfd = syscall(SYS_eventfd, 0); |
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255 #endif |
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256 |
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257 if (ngx_eventfd == -1) { |
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258 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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259 "eventfd() failed"); |
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260 ngx_file_aio = 0; |
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261 return; |
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262 } |
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263 |
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264 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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265 "eventfd: %d", ngx_eventfd); |
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266 |
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267 n = 1; |
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268 |
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269 if (ioctl(ngx_eventfd, FIONBIO, &n) == -1) { |
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270 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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271 "ioctl(eventfd, FIONBIO) failed"); |
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272 goto failed; |
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273 } |
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274 |
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275 if (io_setup(epcf->aio_requests, &ngx_aio_ctx) == -1) { |
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276 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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277 "io_setup() failed"); |
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278 goto failed; |
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279 } |
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280 |
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281 ngx_eventfd_event.data = &ngx_eventfd_conn; |
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282 ngx_eventfd_event.handler = ngx_epoll_eventfd_handler; |
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283 ngx_eventfd_event.log = cycle->log; |
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284 ngx_eventfd_event.active = 1; |
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285 ngx_eventfd_conn.fd = ngx_eventfd; |
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286 ngx_eventfd_conn.read = &ngx_eventfd_event; |
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287 ngx_eventfd_conn.log = cycle->log; |
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288 |
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289 ee.events = EPOLLIN|EPOLLET; |
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290 ee.data.ptr = &ngx_eventfd_conn; |
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291 |
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292 if (epoll_ctl(ep, EPOLL_CTL_ADD, ngx_eventfd, &ee) != -1) { |
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293 return; |
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294 } |
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295 |
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296 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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297 "epoll_ctl(EPOLL_CTL_ADD, eventfd) failed"); |
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298 |
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299 if (io_destroy(ngx_aio_ctx) == -1) { |
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300 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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301 "io_destroy() failed"); |
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302 } |
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303 |
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304 failed: |
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305 |
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306 if (close(ngx_eventfd) == -1) { |
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307 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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308 "eventfd close() failed"); |
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309 } |
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310 |
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311 ngx_eventfd = -1; |
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312 ngx_aio_ctx = 0; |
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313 ngx_file_aio = 0; |
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314 } |
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315 |
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316 #endif |
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317 |
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318 |
499 | 319 static ngx_int_t |
563 | 320 ngx_epoll_init(ngx_cycle_t *cycle, ngx_msec_t timer) |
245
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321 { |
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322 ngx_epoll_conf_t *epcf; |
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323 |
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324 epcf = ngx_event_get_conf(cycle->conf_ctx, ngx_epoll_module); |
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325 |
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326 if (ep == -1) { |
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327 ep = epoll_create(cycle->connection_n / 2); |
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328 |
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329 if (ep == -1) { |
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330 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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331 "epoll_create() failed"); |
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332 return NGX_ERROR; |
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333 } |
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334 |
6019
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335 #if (NGX_HAVE_EVENTFD) |
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336 if (ngx_epoll_notify_init(cycle->log) != NGX_OK) { |
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337 ngx_epoll_module_ctx.actions.notify = NULL; |
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338 } |
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339 #endif |
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340 |
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341 #if (NGX_HAVE_FILE_AIO) |
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342 |
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343 ngx_epoll_aio_init(cycle, epcf); |
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344 |
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345 #endif |
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346 } |
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347 |
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348 if (nevents < epcf->events) { |
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349 if (event_list) { |
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
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350 ngx_free(event_list); |
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nginx-0.0.1-2004-01-30-00:45:01 import
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diff
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351 } |
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352 |
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353 event_list = ngx_alloc(sizeof(struct epoll_event) * epcf->events, |
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff
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|
354 cycle->log); |
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff
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355 if (event_list == NULL) { |
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nginx-0.0.1-2004-01-30-00:45:01 import
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356 return NGX_ERROR; |
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff
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|
357 } |
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
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358 } |
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359 |
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nginx-0.0.1-2004-01-30-00:45:01 import
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360 nevents = epcf->events; |
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff
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|
361 |
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nginx-0.0.1-2004-01-30-00:45:01 import
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362 ngx_io = ngx_os_io; |
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff
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363 |
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
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364 ngx_event_actions = ngx_epoll_module_ctx.actions; |
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff
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|
365 |
469 | 366 #if (NGX_HAVE_CLEAR_EVENT) |
306
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nginx-0.0.3-2004-04-05-00:32:09 import
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parents:
305
diff
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367 ngx_event_flags = NGX_USE_CLEAR_EVENT |
259
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nginx-0.0.2-2004-02-12-23:57:10 import
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258
diff
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|
368 #else |
306
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305
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369 ngx_event_flags = NGX_USE_LEVEL_EVENT |
259
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258
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370 #endif |
455 | 371 |NGX_USE_GREEDY_EVENT |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
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parents:
380
diff
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|
372 |NGX_USE_EPOLL_EVENT; |
245
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nginx-0.0.1-2004-01-30-00:45:01 import
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373 |
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374 return NGX_OK; |
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff
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|
375 } |
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parents:
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|
376 |
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nginx-0.0.1-2004-01-30-00:45:01 import
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377 |
6019
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378 #if (NGX_HAVE_EVENTFD) |
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379 |
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380 static ngx_int_t |
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381 ngx_epoll_notify_init(ngx_log_t *log) |
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382 { |
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383 struct epoll_event ee; |
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384 |
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385 #if (NGX_HAVE_SYS_EVENTFD_H) |
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386 notify_fd = eventfd(0, 0); |
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387 #else |
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388 notify_fd = syscall(SYS_eventfd, 0); |
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389 #endif |
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390 |
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391 if (notify_fd == -1) { |
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392 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "eventfd() failed"); |
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393 return NGX_ERROR; |
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|
394 } |
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395 |
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396 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0, |
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|
397 "notify eventfd: %d", notify_fd); |
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|
398 |
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|
399 notify_event.handler = ngx_epoll_notify_handler; |
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400 notify_event.log = log; |
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|
401 notify_event.active = 1; |
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|
402 |
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|
403 notify_conn.fd = notify_fd; |
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|
404 notify_conn.read = ¬ify_event; |
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|
405 notify_conn.log = log; |
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|
406 |
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407 ee.events = EPOLLIN|EPOLLET; |
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408 ee.data.ptr = ¬ify_conn; |
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|
409 |
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|
410 if (epoll_ctl(ep, EPOLL_CTL_ADD, notify_fd, &ee) == -1) { |
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411 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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|
412 "epoll_ctl(EPOLL_CTL_ADD, eventfd) failed"); |
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|
413 |
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|
414 if (close(notify_fd) == -1) { |
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|
415 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
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|
416 "eventfd close() failed"); |
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|
417 } |
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diff
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|
418 |
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diff
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|
419 return NGX_ERROR; |
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diff
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|
420 } |
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diff
changeset
|
421 |
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diff
changeset
|
422 return NGX_OK; |
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diff
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|
423 } |
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Events: implemented epoll notification mechanism.
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|
424 |
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diff
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|
425 |
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diff
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|
426 static void |
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|
427 ngx_epoll_notify_handler(ngx_event_t *ev) |
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|
428 { |
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|
429 ssize_t n; |
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diff
changeset
|
430 uint64_t count; |
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diff
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|
431 ngx_err_t err; |
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diff
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|
432 ngx_event_handler_pt handler; |
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diff
changeset
|
433 |
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diff
changeset
|
434 if (++ev->index == NGX_MAX_UINT32_VALUE) { |
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Events: implemented epoll notification mechanism.
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6018
diff
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|
435 ev->index = 0; |
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diff
changeset
|
436 |
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diff
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|
437 n = read(notify_fd, &count, sizeof(uint64_t)); |
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Events: implemented epoll notification mechanism.
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diff
changeset
|
438 |
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diff
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|
439 err = ngx_errno; |
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Events: implemented epoll notification mechanism.
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diff
changeset
|
440 |
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6018
diff
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|
441 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
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Events: implemented epoll notification mechanism.
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diff
changeset
|
442 "read() eventfd %d: %z count:%uL", notify_fd, n, count); |
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Events: implemented epoll notification mechanism.
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diff
changeset
|
443 |
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diff
changeset
|
444 if ((size_t) n != sizeof(uint64_t)) { |
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diff
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|
445 ngx_log_error(NGX_LOG_ALERT, ev->log, err, |
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diff
changeset
|
446 "read() eventfd %d failed", notify_fd); |
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diff
changeset
|
447 } |
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diff
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|
448 } |
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diff
changeset
|
449 |
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diff
changeset
|
450 handler = ev->data; |
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parents:
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diff
changeset
|
451 handler(ev); |
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diff
changeset
|
452 } |
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diff
changeset
|
453 |
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diff
changeset
|
454 #endif |
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diff
changeset
|
455 |
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|
456 |
499 | 457 static void |
458 ngx_epoll_done(ngx_cycle_t *cycle) | |
245
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff
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|
459 { |
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff
changeset
|
460 if (close(ep) == -1) { |
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nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff
changeset
|
461 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
462 "epoll close() failed"); |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff
changeset
|
463 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
464 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
465 ep = -1; |
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nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
466 |
6019
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diff
changeset
|
467 #if (NGX_HAVE_EVENTFD) |
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diff
changeset
|
468 |
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diff
changeset
|
469 if (close(notify_fd) == -1) { |
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diff
changeset
|
470 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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Events: implemented epoll notification mechanism.
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parents:
6018
diff
changeset
|
471 "eventfd close() failed"); |
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Events: implemented epoll notification mechanism.
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parents:
6018
diff
changeset
|
472 } |
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diff
changeset
|
473 |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
474 notify_fd = -1; |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
475 |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
476 #endif |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
477 |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
478 #if (NGX_HAVE_FILE_AIO) |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
479 |
4130
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
480 if (ngx_eventfd != -1) { |
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
481 |
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
482 if (io_destroy(ngx_aio_ctx) == -1) { |
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
483 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
484 "io_destroy() failed"); |
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
485 } |
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
486 |
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
487 if (close(ngx_eventfd) == -1) { |
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
488 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
489 "eventfd close() failed"); |
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
490 } |
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
491 |
04751572f900
Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents:
4129
diff
changeset
|
492 ngx_eventfd = -1; |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
493 } |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
494 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
495 ngx_aio_ctx = 0; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
496 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
497 #endif |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
498 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
499 ngx_free(event_list); |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
500 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
501 event_list = NULL; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
502 nevents = 0; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
503 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
504 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
505 |
499 | 506 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
|
507 ngx_epoll_add_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
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
508 { |
483 | 509 int op; |
510 uint32_t events, prev; | |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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parents:
258
diff
changeset
|
511 ngx_event_t *e; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
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parents:
258
diff
changeset
|
512 ngx_connection_t *c; |
258
733dffa1fe97
nginx-0.0.2-2004-02-11-10:19:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
513 struct epoll_event ee; |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
514 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
515 c = ev->data; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
245
diff
changeset
|
516 |
483 | 517 events = (uint32_t) event; |
518 | |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
519 if (event == NGX_READ_EVENT) { |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
520 e = c->write; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
521 prev = EPOLLOUT; |
5372
36b58ddb566d
Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents:
4759
diff
changeset
|
522 #if (NGX_READ_EVENT != EPOLLIN|EPOLLRDHUP) |
36b58ddb566d
Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents:
4759
diff
changeset
|
523 events = EPOLLIN|EPOLLRDHUP; |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
256
diff
changeset
|
524 #endif |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
256
diff
changeset
|
525 |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
526 } else { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
527 e = c->read; |
5372
36b58ddb566d
Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents:
4759
diff
changeset
|
528 prev = EPOLLIN|EPOLLRDHUP; |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
529 #if (NGX_WRITE_EVENT != EPOLLOUT) |
483 | 530 events = EPOLLOUT; |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
531 #endif |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
532 } |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
533 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
534 if (e->active) { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
535 op = EPOLL_CTL_MOD; |
483 | 536 events |= prev; |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
537 |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
538 } else { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
539 op = EPOLL_CTL_ADD; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
540 } |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
541 |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
663
diff
changeset
|
542 ee.events = events | (uint32_t) flags; |
581 | 543 ee.data.ptr = (void *) ((uintptr_t) c | ev->instance); |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
544 |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
545 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
461 | 546 "epoll add 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
|
547 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
|
548 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
549 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
|
550 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
|
551 "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
|
552 return NGX_ERROR; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
553 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
554 |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
555 ev->active = 1; |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
556 #if 0 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
557 ev->oneshot = (flags & NGX_ONESHOT_EVENT) ? 1 : 0; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
558 #endif |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
559 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
560 return NGX_OK; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
561 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
562 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
563 |
499 | 564 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
|
565 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
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
566 { |
483 | 567 int op; |
568 uint32_t prev; | |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
569 ngx_event_t *e; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
570 ngx_connection_t *c; |
258
733dffa1fe97
nginx-0.0.2-2004-02-11-10:19:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
571 struct epoll_event ee; |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
572 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
573 /* |
483 | 574 * when the file descriptor is closed, the epoll automatically deletes |
4572
67653855682e
Fixed spelling in multiline C comments.
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
575 * it from its queue, so we do not need to delete explicitly the event |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
576 * before the closing the file descriptor |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
577 */ |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
578 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
579 if (flags & NGX_CLOSE_EVENT) { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
580 ev->active = 0; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
581 return NGX_OK; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
582 } |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
583 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
584 c = ev->data; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
585 |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
586 if (event == NGX_READ_EVENT) { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
587 e = c->write; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
588 prev = EPOLLOUT; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
589 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
590 } else { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
591 e = c->read; |
5372
36b58ddb566d
Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents:
4759
diff
changeset
|
592 prev = EPOLLIN|EPOLLRDHUP; |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
593 } |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
594 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
595 if (e->active) { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
596 op = EPOLL_CTL_MOD; |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
663
diff
changeset
|
597 ee.events = prev | (uint32_t) flags; |
581 | 598 ee.data.ptr = (void *) ((uintptr_t) c | ev->instance); |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
599 |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
600 } else { |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
601 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
|
602 ee.events = 0; |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
603 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
|
604 } |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
605 |
259
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
606 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
461 | 607 "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
|
608 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
|
609 |
d30f2c39caae
nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
258
diff
changeset
|
610 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
|
611 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
|
612 "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
|
613 return NGX_ERROR; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
614 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
615 |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
616 ev->active = 0; |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
617 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
618 return NGX_OK; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
619 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
620 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
621 |
499 | 622 static ngx_int_t |
623 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
|
624 { |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
625 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
|
626 |
5372
36b58ddb566d
Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents:
4759
diff
changeset
|
627 ee.events = EPOLLIN|EPOLLOUT|EPOLLET|EPOLLRDHUP; |
581 | 628 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
|
629 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
630 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
461 | 631 "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
|
632 |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
633 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
|
634 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
|
635 "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
|
636 return NGX_ERROR; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
637 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
638 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
639 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
|
640 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
|
641 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
642 return NGX_OK; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
643 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
644 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
645 |
499 | 646 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
|
647 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
|
648 { |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
663
diff
changeset
|
649 int op; |
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
663
diff
changeset
|
650 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
|
651 |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
652 /* |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
653 * when the file descriptor is closed the epoll automatically deletes |
4572
67653855682e
Fixed spelling in multiline C comments.
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
654 * it from its queue so we do not need to delete explicitly the event |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
655 * 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
|
656 */ |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
657 |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
658 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
|
659 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
|
660 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
|
661 return NGX_OK; |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
662 } |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
663 |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
664 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
|
665 "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
|
666 |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
667 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
|
668 ee.events = 0; |
581 | 669 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
|
670 |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
671 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
|
672 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
|
673 "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
|
674 return NGX_ERROR; |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
675 } |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
676 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
677 c->read->active = 0; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
678 c->write->active = 0; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
679 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
680 return NGX_OK; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
681 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
682 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
683 |
6019
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
684 #if (NGX_HAVE_EVENTFD) |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
685 |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
686 static ngx_int_t |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
687 ngx_epoll_notify(ngx_event_handler_pt handler) |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
688 { |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
689 static uint64_t inc = 1; |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
690 |
6061
953ef81705e1
Events: fixed possible crash on start or reload.
Valentin Bartenev <vbart@nginx.com>
parents:
6030
diff
changeset
|
691 notify_event.data = handler; |
953ef81705e1
Events: fixed possible crash on start or reload.
Valentin Bartenev <vbart@nginx.com>
parents:
6030
diff
changeset
|
692 |
6019
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
693 if ((size_t) write(notify_fd, &inc, sizeof(uint64_t)) != sizeof(uint64_t)) { |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
694 ngx_log_error(NGX_LOG_ALERT, notify_event.log, ngx_errno, |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
695 "write() to eventfd %d failed", notify_fd); |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
696 return NGX_ERROR; |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
697 } |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
698 |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
699 return NGX_OK; |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
700 } |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
701 |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
702 #endif |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
703 |
40e244e042a7
Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents:
6018
diff
changeset
|
704 |
499 | 705 static ngx_int_t |
563 | 706 ngx_epoll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, ngx_uint_t flags) |
245
e6c005b66b3a
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parents:
diff
changeset
|
707 { |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
708 int events; |
483 | 709 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
|
710 ngx_int_t instance, i; |
563 | 711 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
|
712 ngx_err_t err; |
5821
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
713 ngx_event_t *rev, *wev; |
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
714 ngx_queue_t *queue; |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
715 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
|
716 |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
717 /* 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
|
718 |
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
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parents:
259
diff
changeset
|
719 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
557 | 720 "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
|
721 |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
663
diff
changeset
|
722 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
|
723 |
3043 | 724 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
|
725 |
3473
0299cf5856fc
do not update time in the timer signal handler,
Igor Sysoev <igor@sysoev.ru>
parents:
3052
diff
changeset
|
726 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
|
727 ngx_time_update(); |
563 | 728 } |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
729 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
730 if (err) { |
563 | 731 if (err == NGX_EINTR) { |
732 | |
733 if (ngx_event_timer_alarm) { | |
734 ngx_event_timer_alarm = 0; | |
735 return NGX_OK; | |
736 } | |
577 | 737 |
563 | 738 level = NGX_LOG_INFO; |
577 | 739 |
740 } else { | |
563 | 741 level = NGX_LOG_ALERT; |
742 } | |
743 | |
744 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
|
745 return NGX_ERROR; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
746 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
747 |
563 | 748 if (events == 0) { |
567 | 749 if (timer != NGX_TIMER_INFINITE) { |
750 return NGX_OK; | |
751 } | |
752 | |
753 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
754 "epoll_wait() returned no events without timeout"); | |
755 return NGX_ERROR; | |
563 | 756 } |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
757 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
758 for (i = 0; i < events; i++) { |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
759 c = event_list[i].data.ptr; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
760 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
761 instance = (uintptr_t) c & 1; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
762 c = (ngx_connection_t *) ((uintptr_t) c & (uintptr_t) ~1); |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
763 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
764 rev = c->read; |
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
259
diff
changeset
|
765 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
766 if (c->fd == -1 || rev->instance != instance) { |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
767 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
768 /* |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
769 * the stale event from a file descriptor |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
770 * that was just closed in this iteration |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
771 */ |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
772 |
312
f5431a4bbc7d
nginx-0.0.3-2004-04-13-09:27:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
311
diff
changeset
|
773 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 774 "epoll: stale event %p", c); |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
775 continue; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
776 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
777 |
483 | 778 revents = event_list[i].events; |
779 | |
3902
159b58f9c0bd
fix building by gcc 4.6 without --with-debug
Igor Sysoev <igor@sysoev.ru>
parents:
3475
diff
changeset
|
780 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 781 "epoll: fd:%d ev:%04XD d:%p", |
577 | 782 c->fd, revents, event_list[i].data.ptr); |
311
11ff50a35d6d
nginx-0.0.3-2004-04-12-20:38:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
309
diff
changeset
|
783 |
483 | 784 if (revents & (EPOLLERR|EPOLLHUP)) { |
3902
159b58f9c0bd
fix building by gcc 4.6 without --with-debug
Igor Sysoev <igor@sysoev.ru>
parents:
3475
diff
changeset
|
785 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 786 "epoll_wait() error on fd:%d ev:%04XD", |
483 | 787 c->fd, revents); |
788 } | |
789 | |
663 | 790 #if 0 |
483 | 791 if (revents & ~(EPOLLIN|EPOLLOUT|EPOLLERR|EPOLLHUP)) { |
3902
159b58f9c0bd
fix building by gcc 4.6 without --with-debug
Igor Sysoev <igor@sysoev.ru>
parents:
3475
diff
changeset
|
792 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
483 | 793 "strange epoll_wait() events fd:%d ev:%04XD", |
794 c->fd, revents); | |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
795 } |
663 | 796 #endif |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
797 |
483 | 798 if ((revents & (EPOLLERR|EPOLLHUP)) |
799 && (revents & (EPOLLIN|EPOLLOUT)) == 0) | |
800 { | |
801 /* | |
802 * if the error events were returned without EPOLLIN or EPOLLOUT, | |
803 * then add these flags to handle the events at least in one | |
804 * active handler | |
805 */ | |
806 | |
807 revents |= EPOLLIN|EPOLLOUT; | |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
808 } |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
809 |
563 | 810 if ((revents & EPOLLIN) && rev->active) { |
811 | |
5372
36b58ddb566d
Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents:
4759
diff
changeset
|
812 #if (NGX_HAVE_EPOLLRDHUP) |
36b58ddb566d
Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents:
4759
diff
changeset
|
813 if (revents & EPOLLRDHUP) { |
36b58ddb566d
Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents:
4759
diff
changeset
|
814 rev->pending_eof = 1; |
36b58ddb566d
Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents:
4759
diff
changeset
|
815 } |
6536
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
816 |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
817 rev->available = 1; |
5372
36b58ddb566d
Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents:
4759
diff
changeset
|
818 #endif |
36b58ddb566d
Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents:
4759
diff
changeset
|
819 |
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5707
diff
changeset
|
820 rev->ready = 1; |
563 | 821 |
822 if (flags & NGX_POST_EVENTS) { | |
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5707
diff
changeset
|
823 queue = rev->accept ? &ngx_posted_accept_events |
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5707
diff
changeset
|
824 : &ngx_posted_events; |
563 | 825 |
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5707
diff
changeset
|
826 ngx_post_event(rev, queue); |
563 | 827 |
828 } else { | |
829 rev->handler(rev); | |
830 } | |
831 } | |
832 | |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
833 wev = c->write; |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
834 |
4319
f40541f7afb5
Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4305
diff
changeset
|
835 if ((revents & EPOLLOUT) && wev->active) { |
4305
f68047884e83
Protection from stale write events in epoll.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4134
diff
changeset
|
836 |
4319
f40541f7afb5
Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4305
diff
changeset
|
837 if (c->fd == -1 || wev->instance != instance) { |
4305
f68047884e83
Protection from stale write events in epoll.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4134
diff
changeset
|
838 |
4319
f40541f7afb5
Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4305
diff
changeset
|
839 /* |
f40541f7afb5
Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4305
diff
changeset
|
840 * the stale event from a file descriptor |
f40541f7afb5
Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4305
diff
changeset
|
841 * that was just closed in this iteration |
f40541f7afb5
Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4305
diff
changeset
|
842 */ |
4305
f68047884e83
Protection from stale write events in epoll.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4134
diff
changeset
|
843 |
4319
f40541f7afb5
Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4305
diff
changeset
|
844 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
f40541f7afb5
Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4305
diff
changeset
|
845 "epoll: stale event %p", c); |
f40541f7afb5
Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4305
diff
changeset
|
846 continue; |
f40541f7afb5
Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4305
diff
changeset
|
847 } |
483 | 848 |
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5707
diff
changeset
|
849 wev->ready = 1; |
6440
248aa2757332
Fixed timeouts with threaded sendfile() and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6144
diff
changeset
|
850 #if (NGX_THREADS) |
248aa2757332
Fixed timeouts with threaded sendfile() and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6144
diff
changeset
|
851 wev->complete = 1; |
248aa2757332
Fixed timeouts with threaded sendfile() and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6144
diff
changeset
|
852 #endif |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
853 |
563 | 854 if (flags & NGX_POST_EVENTS) { |
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5707
diff
changeset
|
855 ngx_post_event(wev, &ngx_posted_events); |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
856 |
563 | 857 } else { |
858 wev->handler(wev); | |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
859 } |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
860 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
861 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
862 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
863 return NGX_OK; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
864 } |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
865 |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
866 |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
867 #if (NGX_HAVE_FILE_AIO) |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
868 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
869 static void |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
870 ngx_epoll_eventfd_handler(ngx_event_t *ev) |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
871 { |
4129
6903dac6ad19
Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3902
diff
changeset
|
872 int n, events; |
6903dac6ad19
Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3902
diff
changeset
|
873 long i; |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
874 uint64_t ready; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
875 ngx_err_t err; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
876 ngx_event_t *e; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
877 ngx_event_aio_t *aio; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
878 struct io_event event[64]; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
879 struct timespec ts; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
880 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
881 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "eventfd handler"); |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
882 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
883 n = read(ngx_eventfd, &ready, 8); |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
884 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
885 err = ngx_errno; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
886 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
887 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0, "eventfd: %d", n); |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
888 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
889 if (n != 8) { |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
890 if (n == -1) { |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
891 if (err == NGX_EAGAIN) { |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
892 return; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
893 } |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
894 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
895 ngx_log_error(NGX_LOG_ALERT, ev->log, err, "read(eventfd) failed"); |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
896 return; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
897 } |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
898 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
899 ngx_log_error(NGX_LOG_ALERT, ev->log, 0, |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
900 "read(eventfd) returned only %d bytes", n); |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
901 return; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
902 } |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
903 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
904 ts.tv_sec = 0; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
905 ts.tv_nsec = 0; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
906 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
907 while (ready) { |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
908 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
909 events = io_getevents(ngx_aio_ctx, 1, 64, event, &ts); |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
910 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
911 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
6480 | 912 "io_getevents: %d", events); |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
913 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
914 if (events > 0) { |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
915 ready -= events; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
916 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
917 for (i = 0; i < events; i++) { |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
918 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
919 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
6509
7640d6c213e1
Removed redundant "u" format specifier.
Ruslan Ermilov <ru@nginx.com>
parents:
6480
diff
changeset
|
920 "io_event: %XL %XL %L %L", |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
921 event[i].data, event[i].obj, |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
922 event[i].res, event[i].res2); |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
923 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
924 e = (ngx_event_t *) (uintptr_t) event[i].data; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
925 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
926 e->complete = 1; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
927 e->active = 0; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
928 e->ready = 1; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
929 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
930 aio = e->data; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
931 aio->res = event[i].res; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
932 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
933 ngx_post_event(e, &ngx_posted_events); |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
934 } |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
935 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
936 continue; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
937 } |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
938 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
939 if (events == 0) { |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
940 return; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
941 } |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
942 |
4129
6903dac6ad19
Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3902
diff
changeset
|
943 /* events == -1 */ |
6903dac6ad19
Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3902
diff
changeset
|
944 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
6903dac6ad19
Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3902
diff
changeset
|
945 "io_getevents() failed"); |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
946 return; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
947 } |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
948 } |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
949 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
950 #endif |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
951 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3044
diff
changeset
|
952 |
6536
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
953 static ngx_int_t |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
954 ngx_epoll_module_init(ngx_cycle_t *cycle) |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
955 { |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
956 #if (NGX_HAVE_EPOLLRDHUP) |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
957 int epfd, s[2], events; |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
958 struct epoll_event ee; |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
959 |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
960 epfd = epoll_create(1); |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
961 |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
962 if (epfd == -1) { |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
963 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
964 "epoll_create() failed"); |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
965 return NGX_ERROR; |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
966 } |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
967 |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
968 if (socketpair(AF_UNIX, SOCK_STREAM, 0, s) == -1) { |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
969 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
970 "socketpair() failed"); |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
971 return NGX_ERROR; |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
972 } |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
973 |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
974 ee.events = EPOLLET|EPOLLIN|EPOLLRDHUP; |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
975 |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
976 if (epoll_ctl(epfd, EPOLL_CTL_ADD, s[0], &ee) == -1) { |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
977 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
978 "epoll_ctl() failed"); |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
979 return NGX_ERROR; |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
980 } |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
981 |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
982 if (close(s[1]) == -1) { |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
983 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
984 "close() failed"); |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
985 return NGX_ERROR; |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
986 } |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
987 |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
988 events = epoll_wait(epfd, &ee, 1, 5000); |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
989 |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
990 if (events == -1) { |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
991 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
992 "epoll_wait() failed"); |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
993 return NGX_ERROR; |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
994 } |
f7849bfb6d21
Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents:
6509
diff
changeset
|
995 |
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996 (void) close(s[0]); |
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997 (void) close(epfd); |
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998 |
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999 if (events) { |
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1000 ngx_use_epoll_rdhup = ee.events & EPOLLRDHUP; |
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1001 |
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1002 } else { |
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1003 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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1004 "epoll_wait() timedout"); |
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1005 } |
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1006 |
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1007 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, |
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1008 "testing the EPOLLRDHUP flag: %s", |
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1009 ngx_use_epoll_rdhup ? "success" : "fail"); |
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1010 #endif |
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1011 |
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1012 return NGX_OK; |
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1013 } |
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1014 |
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1015 |
499 | 1016 static void * |
1017 ngx_epoll_create_conf(ngx_cycle_t *cycle) | |
245
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1018 { |
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1019 ngx_epoll_conf_t *epcf; |
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1020 |
501 | 1021 epcf = ngx_palloc(cycle->pool, sizeof(ngx_epoll_conf_t)); |
1022 if (epcf == NULL) { | |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
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2062
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1023 return NULL; |
501 | 1024 } |
245
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1025 |
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1026 epcf->events = NGX_CONF_UNSET; |
4134
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The "worker_aio_requests" directive.
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1027 epcf->aio_requests = NGX_CONF_UNSET; |
245
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1028 |
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1029 return epcf; |
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1030 } |
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1031 |
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1032 |
499 | 1033 static char * |
1034 ngx_epoll_init_conf(ngx_cycle_t *cycle, void *conf) | |
245
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1035 { |
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1036 ngx_epoll_conf_t *epcf = conf; |
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1037 |
663 | 1038 ngx_conf_init_uint_value(epcf->events, 512); |
4134
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The "worker_aio_requests" directive.
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1039 ngx_conf_init_uint_value(epcf->aio_requests, 32); |
245
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1040 |
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1041 return NGX_CONF_OK; |
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1042 } |