Mercurial > hg > nginx
annotate src/event/modules/ngx_eventport_module.c @ 6018:466bd63b63d1
Thread pools implementation.
| author | Valentin Bartenev <vbart@nginx.com> |
|---|---|
| date | Sat, 14 Mar 2015 17:37:07 +0300 |
| parents | d84f0abd4a53 |
| children | 117c77b22db1 |
| rev | line source |
|---|---|
| 719 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
| 719 | 5 */ |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_event.h> | |
| 11 | |
| 12 | |
| 13 #if (NGX_TEST_BUILD_EVENTPORT) | |
| 14 | |
| 15 #define ushort_t u_short | |
| 16 #define uint_t u_int | |
| 17 | |
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18 #ifndef CLOCK_REALTIME |
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19 #define CLOCK_REALTIME 0 |
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20 typedef int clockid_t; |
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21 typedef void * timer_t; |
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22 #endif |
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23 |
| 719 | 24 /* Solaris declarations */ |
| 25 | |
| 26 #define PORT_SOURCE_AIO 1 | |
| 27 #define PORT_SOURCE_TIMER 2 | |
| 28 #define PORT_SOURCE_USER 3 | |
| 29 #define PORT_SOURCE_FD 4 | |
| 30 #define PORT_SOURCE_ALERT 5 | |
| 31 #define PORT_SOURCE_MQ 6 | |
| 32 | |
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33 #ifndef ETIME |
| 719 | 34 #define ETIME 64 |
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35 #endif |
| 719 | 36 |
| 37 #define SIGEV_PORT 4 | |
| 38 | |
| 39 typedef struct { | |
| 40 int portev_events; /* event data is source specific */ | |
| 41 ushort_t portev_source; /* event source */ | |
| 42 ushort_t portev_pad; /* port internal use */ | |
| 43 uintptr_t portev_object; /* source specific object */ | |
| 44 void *portev_user; /* user cookie */ | |
| 45 } port_event_t; | |
| 46 | |
| 47 typedef struct port_notify { | |
| 48 int portnfy_port; /* bind request(s) to port */ | |
| 49 void *portnfy_user; /* user defined */ | |
| 50 } port_notify_t; | |
| 51 | |
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52 #if (__FreeBSD_version < 700005) |
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53 |
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54 typedef struct itimerspec { /* definition per POSIX.4 */ |
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55 struct timespec it_interval;/* timer period */ |
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56 struct timespec it_value; /* timer expiration */ |
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57 } itimerspec_t; |
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58 |
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59 #endif |
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60 |
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61 int port_create(void); |
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62 |
| 719 | 63 int port_create(void) |
| 64 { | |
| 65 return -1; | |
| 66 } | |
| 67 | |
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68 |
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69 int port_associate(int port, int source, uintptr_t object, int events, |
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70 void *user); |
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71 |
| 719 | 72 int port_associate(int port, int source, uintptr_t object, int events, |
| 73 void *user) | |
| 74 { | |
| 75 return -1; | |
| 76 } | |
| 77 | |
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78 |
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79 int port_dissociate(int port, int source, uintptr_t object); |
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80 |
| 719 | 81 int port_dissociate(int port, int source, uintptr_t object) |
| 82 { | |
| 83 return -1; | |
| 84 } | |
| 85 | |
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86 |
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87 int port_getn(int port, port_event_t list[], uint_t max, uint_t *nget, |
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88 struct timespec *timeout); |
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89 |
| 719 | 90 int port_getn(int port, port_event_t list[], uint_t max, uint_t *nget, |
| 91 struct timespec *timeout) | |
| 92 { | |
| 93 return -1; | |
| 94 } | |
| 95 | |
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96 |
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97 int timer_create(clockid_t clock_id, struct sigevent *evp, timer_t *timerid); |
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98 |
| 719 | 99 int timer_create(clockid_t clock_id, struct sigevent *evp, timer_t *timerid) |
| 100 { | |
| 101 return -1; | |
| 102 } | |
| 103 | |
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104 |
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105 int timer_settime(timer_t timerid, int flags, const struct itimerspec *value, |
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106 struct itimerspec *ovalue); |
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107 |
| 719 | 108 int timer_settime(timer_t timerid, int flags, const struct itimerspec *value, |
| 109 struct itimerspec *ovalue) | |
| 110 { | |
| 111 return -1; | |
| 112 } | |
| 113 | |
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114 |
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115 int timer_delete(timer_t timerid); |
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116 |
| 719 | 117 int timer_delete(timer_t timerid) |
| 118 { | |
| 119 return -1; | |
| 120 } | |
| 121 | |
| 122 #endif | |
| 123 | |
| 124 | |
| 125 typedef struct { | |
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126 ngx_uint_t events; |
| 719 | 127 } ngx_eventport_conf_t; |
| 128 | |
| 129 | |
| 130 static ngx_int_t ngx_eventport_init(ngx_cycle_t *cycle, ngx_msec_t timer); | |
| 131 static void ngx_eventport_done(ngx_cycle_t *cycle); | |
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132 static ngx_int_t ngx_eventport_add_event(ngx_event_t *ev, ngx_int_t event, |
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133 ngx_uint_t flags); |
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134 static ngx_int_t ngx_eventport_del_event(ngx_event_t *ev, ngx_int_t event, |
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135 ngx_uint_t flags); |
| 719 | 136 static ngx_int_t ngx_eventport_process_events(ngx_cycle_t *cycle, |
| 137 ngx_msec_t timer, ngx_uint_t flags); | |
| 138 | |
| 139 static void *ngx_eventport_create_conf(ngx_cycle_t *cycle); | |
| 140 static char *ngx_eventport_init_conf(ngx_cycle_t *cycle, void *conf); | |
| 141 | |
| 142 static int ep = -1; | |
| 143 static port_event_t *event_list; | |
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144 static ngx_uint_t nevents; |
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145 static timer_t event_timer = (timer_t) -1; |
| 719 | 146 |
| 147 static ngx_str_t eventport_name = ngx_string("eventport"); | |
| 148 | |
| 149 | |
| 150 static ngx_command_t ngx_eventport_commands[] = { | |
| 151 | |
| 152 { ngx_string("eventport_events"), | |
| 153 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
| 154 ngx_conf_set_num_slot, | |
| 155 0, | |
| 156 offsetof(ngx_eventport_conf_t, events), | |
| 157 NULL }, | |
| 158 | |
| 159 ngx_null_command | |
| 160 }; | |
| 161 | |
| 162 | |
| 163 ngx_event_module_t ngx_eventport_module_ctx = { | |
| 164 &eventport_name, | |
| 165 ngx_eventport_create_conf, /* create configuration */ | |
| 166 ngx_eventport_init_conf, /* init configuration */ | |
| 167 | |
| 168 { | |
| 169 ngx_eventport_add_event, /* add an event */ | |
| 170 ngx_eventport_del_event, /* delete an event */ | |
| 171 ngx_eventport_add_event, /* enable an event */ | |
| 172 ngx_eventport_del_event, /* disable an event */ | |
| 173 NULL, /* add an connection */ | |
| 174 NULL, /* delete an connection */ | |
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175 NULL, /* trigger a notify */ |
| 719 | 176 NULL, /* process the changes */ |
| 177 ngx_eventport_process_events, /* process the events */ | |
| 178 ngx_eventport_init, /* init the events */ | |
| 179 ngx_eventport_done, /* done the events */ | |
| 180 } | |
| 181 | |
| 182 }; | |
| 183 | |
| 184 ngx_module_t ngx_eventport_module = { | |
| 185 NGX_MODULE_V1, | |
| 186 &ngx_eventport_module_ctx, /* module context */ | |
| 187 ngx_eventport_commands, /* module directives */ | |
| 188 NGX_EVENT_MODULE, /* module type */ | |
| 189 NULL, /* init master */ | |
| 190 NULL, /* init module */ | |
| 191 NULL, /* init process */ | |
| 192 NULL, /* init thread */ | |
| 193 NULL, /* exit thread */ | |
| 194 NULL, /* exit process */ | |
| 195 NULL, /* exit master */ | |
| 196 NGX_MODULE_V1_PADDING | |
| 197 }; | |
| 198 | |
| 199 | |
| 200 static ngx_int_t | |
| 201 ngx_eventport_init(ngx_cycle_t *cycle, ngx_msec_t timer) | |
| 202 { | |
| 203 port_notify_t pn; | |
| 204 struct itimerspec its; | |
| 205 struct sigevent sev; | |
| 206 ngx_eventport_conf_t *epcf; | |
| 207 | |
| 208 epcf = ngx_event_get_conf(cycle->conf_ctx, ngx_eventport_module); | |
| 209 | |
| 210 if (ep == -1) { | |
| 211 ep = port_create(); | |
| 212 | |
| 213 if (ep == -1) { | |
| 214 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
| 215 "port_create() failed"); | |
| 216 return NGX_ERROR; | |
| 217 } | |
| 218 } | |
| 219 | |
| 220 if (nevents < epcf->events) { | |
| 221 if (event_list) { | |
| 222 ngx_free(event_list); | |
| 223 } | |
| 224 | |
| 225 event_list = ngx_alloc(sizeof(port_event_t) * epcf->events, | |
| 226 cycle->log); | |
| 227 if (event_list == NULL) { | |
| 228 return NGX_ERROR; | |
| 229 } | |
| 230 } | |
| 231 | |
| 232 ngx_event_flags = NGX_USE_EVENTPORT_EVENT; | |
| 233 | |
| 234 if (timer) { | |
| 235 ngx_memzero(&pn, sizeof(port_notify_t)); | |
| 236 pn.portnfy_port = ep; | |
| 237 | |
| 238 ngx_memzero(&sev, sizeof(struct sigevent)); | |
| 239 sev.sigev_notify = SIGEV_PORT; | |
| 240 #if !(NGX_TEST_BUILD_EVENTPORT) | |
| 241 sev.sigev_value.sival_ptr = &pn; | |
| 242 #endif | |
| 243 | |
| 244 if (timer_create(CLOCK_REALTIME, &sev, &event_timer) == -1) { | |
| 245 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
| 246 "timer_create() failed"); | |
| 247 return NGX_ERROR; | |
| 248 } | |
| 249 | |
| 250 its.it_interval.tv_sec = timer / 1000; | |
| 251 its.it_interval.tv_nsec = (timer % 1000) * 1000000; | |
| 252 its.it_value.tv_sec = timer / 1000; | |
| 253 its.it_value.tv_nsec = (timer % 1000) * 1000000; | |
| 254 | |
| 255 if (timer_settime(event_timer, 0, &its, NULL) == -1) { | |
| 256 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
| 257 "timer_settime() failed"); | |
| 258 return NGX_ERROR; | |
| 259 } | |
| 260 | |
| 261 ngx_event_flags |= NGX_USE_TIMER_EVENT; | |
| 262 } | |
| 263 | |
| 264 nevents = epcf->events; | |
| 265 | |
| 266 ngx_io = ngx_os_io; | |
| 267 | |
| 268 ngx_event_actions = ngx_eventport_module_ctx.actions; | |
| 269 | |
| 270 return NGX_OK; | |
| 271 } | |
| 272 | |
| 273 | |
| 274 static void | |
| 275 ngx_eventport_done(ngx_cycle_t *cycle) | |
| 276 { | |
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277 if (event_timer != (timer_t) -1) { |
| 719 | 278 if (timer_delete(event_timer) == -1) { |
| 279 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 280 "timer_delete() failed"); | |
| 281 } | |
| 282 | |
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283 event_timer = (timer_t) -1; |
| 719 | 284 } |
| 285 | |
| 286 if (close(ep) == -1) { | |
| 287 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 288 "close() event port failed"); | |
| 289 } | |
| 290 | |
| 291 ep = -1; | |
| 292 | |
| 293 ngx_free(event_list); | |
| 294 | |
| 295 event_list = NULL; | |
| 296 nevents = 0; | |
| 297 } | |
| 298 | |
| 299 | |
| 300 static ngx_int_t | |
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301 ngx_eventport_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
| 719 | 302 { |
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303 ngx_int_t events, prev; |
| 719 | 304 ngx_event_t *e; |
| 305 ngx_connection_t *c; | |
| 306 | |
| 307 c = ev->data; | |
| 308 | |
| 309 events = event; | |
| 310 | |
| 311 if (event == NGX_READ_EVENT) { | |
| 312 e = c->write; | |
| 313 prev = POLLOUT; | |
| 314 #if (NGX_READ_EVENT != POLLIN) | |
| 315 events = POLLIN; | |
| 316 #endif | |
| 317 | |
| 318 } else { | |
| 319 e = c->read; | |
| 320 prev = POLLIN; | |
| 321 #if (NGX_WRITE_EVENT != POLLOUT) | |
| 322 events = POLLOUT; | |
| 323 #endif | |
| 324 } | |
| 325 | |
| 326 if (e->oneshot) { | |
| 327 events |= prev; | |
| 328 } | |
| 329 | |
| 330 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, | |
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331 "eventport add event: fd:%d ev:%04Xi", c->fd, events); |
| 719 | 332 |
| 333 if (port_associate(ep, PORT_SOURCE_FD, c->fd, events, | |
| 334 (void *) ((uintptr_t) ev | ev->instance)) | |
| 335 == -1) | |
| 336 { | |
| 337 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, | |
| 338 "port_associate() failed"); | |
| 339 return NGX_ERROR; | |
| 340 } | |
| 341 | |
| 342 ev->active = 1; | |
| 343 ev->oneshot = 1; | |
| 344 | |
| 345 return NGX_OK; | |
| 346 } | |
| 347 | |
| 348 | |
| 349 static ngx_int_t | |
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350 ngx_eventport_del_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
| 719 | 351 { |
| 352 ngx_event_t *e; | |
| 353 ngx_connection_t *c; | |
| 354 | |
| 355 /* | |
| 356 * when the file descriptor is closed, the event port automatically | |
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357 * dissociates it from the port, so we do not need to dissociate explicitly |
| 719 | 358 * the event before the closing the file descriptor |
| 359 */ | |
| 360 | |
| 361 if (flags & NGX_CLOSE_EVENT) { | |
| 362 ev->active = 0; | |
| 363 ev->oneshot = 0; | |
| 364 return NGX_OK; | |
| 365 } | |
| 366 | |
| 367 c = ev->data; | |
| 368 | |
| 369 if (event == NGX_READ_EVENT) { | |
| 370 e = c->write; | |
| 371 event = POLLOUT; | |
| 372 | |
| 373 } else { | |
| 374 e = c->read; | |
| 375 event = POLLIN; | |
| 376 } | |
| 377 | |
| 378 if (e->oneshot) { | |
| 379 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, | |
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380 "eventport change event: fd:%d ev:%04Xi", c->fd, event); |
| 719 | 381 |
| 382 if (port_associate(ep, PORT_SOURCE_FD, c->fd, event, | |
| 383 (void *) ((uintptr_t) ev | ev->instance)) | |
| 384 == -1) | |
| 385 { | |
| 386 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, | |
| 387 "port_associate() failed"); | |
| 388 return NGX_ERROR; | |
| 389 } | |
| 390 | |
| 391 } else { | |
| 392 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0, | |
| 393 "eventport del event: fd:%d", c->fd); | |
| 394 | |
| 395 if (port_dissociate(ep, PORT_SOURCE_FD, c->fd) == -1) { | |
| 396 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, | |
| 397 "port_dissociate() failed"); | |
| 398 return NGX_ERROR; | |
| 399 } | |
| 400 } | |
| 401 | |
| 402 ev->active = 0; | |
| 403 ev->oneshot = 0; | |
| 404 | |
| 405 return NGX_OK; | |
| 406 } | |
| 407 | |
| 408 | |
| 409 ngx_int_t | |
| 410 ngx_eventport_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, | |
| 411 ngx_uint_t flags) | |
| 412 { | |
| 413 int n, revents; | |
| 414 u_int events; | |
| 415 ngx_err_t err; | |
| 416 ngx_int_t instance; | |
| 417 ngx_uint_t i, level; | |
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418 ngx_event_t *ev, *rev, *wev; |
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419 ngx_queue_t *queue; |
| 719 | 420 ngx_connection_t *c; |
| 421 struct timespec ts, *tp; | |
| 422 | |
| 423 if (timer == NGX_TIMER_INFINITE) { | |
| 424 tp = NULL; | |
| 425 | |
| 426 } else { | |
| 427 ts.tv_sec = timer / 1000; | |
| 428 ts.tv_nsec = (timer % 1000) * 1000000; | |
| 429 tp = &ts; | |
| 430 } | |
| 431 | |
| 432 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, | |
| 433 "eventport timer: %M", timer); | |
| 434 | |
| 435 events = 1; | |
| 436 | |
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437 n = port_getn(ep, event_list, (u_int) nevents, &events, tp); |
| 719 | 438 |
| 439 err = ngx_errno; | |
| 440 | |
| 441 if (flags & NGX_UPDATE_TIME) { | |
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442 ngx_time_update(); |
| 719 | 443 } |
| 444 | |
| 445 if (n == -1) { | |
| 446 if (err == ETIME) { | |
| 447 if (timer != NGX_TIMER_INFINITE) { | |
| 448 return NGX_OK; | |
| 449 } | |
| 450 | |
| 451 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 452 "port_getn() returned no events without timeout"); | |
| 453 return NGX_ERROR; | |
| 454 } | |
| 455 | |
| 456 level = (err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT; | |
| 457 ngx_log_error(level, cycle->log, err, "port_getn() failed"); | |
| 458 return NGX_ERROR; | |
| 459 } | |
| 460 | |
| 461 if (events == 0) { | |
| 462 if (timer != NGX_TIMER_INFINITE) { | |
| 463 return NGX_OK; | |
| 464 } | |
| 465 | |
| 466 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 467 "port_getn() returned no events without timeout"); | |
| 468 return NGX_ERROR; | |
| 469 } | |
| 470 | |
| 471 for (i = 0; i < events; i++) { | |
| 472 | |
| 473 if (event_list[i].portev_source == PORT_SOURCE_TIMER) { | |
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474 ngx_time_update(); |
| 719 | 475 continue; |
| 476 } | |
| 477 | |
| 478 ev = event_list[i].portev_user; | |
| 479 | |
| 480 switch (event_list[i].portev_source) { | |
| 481 | |
| 482 case PORT_SOURCE_FD: | |
| 483 | |
| 484 instance = (uintptr_t) ev & 1; | |
| 485 ev = (ngx_event_t *) ((uintptr_t) ev & (uintptr_t) ~1); | |
| 486 | |
| 487 if (ev->closed || ev->instance != instance) { | |
| 488 | |
| 489 /* | |
| 490 * the stale event from a file descriptor | |
| 491 * that was just closed in this iteration | |
| 492 */ | |
| 493 | |
| 494 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, | |
| 495 "eventport: stale event %p", ev); | |
| 496 continue; | |
| 497 } | |
| 498 | |
| 499 revents = event_list[i].portev_events; | |
| 500 | |
| 501 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0, | |
| 502 "eventport: fd:%d, ev:%04Xd", | |
| 503 event_list[i].portev_object, revents); | |
| 504 | |
| 505 if (revents & (POLLERR|POLLHUP|POLLNVAL)) { | |
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506 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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507 "port_getn() error fd:%d ev:%04Xd", |
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508 event_list[i].portev_object, revents); |
| 719 | 509 } |
| 510 | |
| 511 if (revents & ~(POLLIN|POLLOUT|POLLERR|POLLHUP|POLLNVAL)) { | |
| 512 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 513 "strange port_getn() events fd:%d ev:%04Xd", | |
| 514 event_list[i].portev_object, revents); | |
| 515 } | |
| 516 | |
| 517 if ((revents & (POLLERR|POLLHUP|POLLNVAL)) | |
| 518 && (revents & (POLLIN|POLLOUT)) == 0) | |
| 519 { | |
| 520 /* | |
| 521 * if the error events were returned without POLLIN or POLLOUT, | |
| 522 * then add these flags to handle the events at least in one | |
| 523 * active handler | |
| 524 */ | |
| 525 | |
| 526 revents |= POLLIN|POLLOUT; | |
| 527 } | |
| 528 | |
| 529 c = ev->data; | |
| 530 rev = c->read; | |
| 531 wev = c->write; | |
| 532 | |
| 533 rev->active = 0; | |
| 534 wev->active = 0; | |
| 535 | |
| 536 if (revents & POLLIN) { | |
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537 rev->ready = 1; |
| 719 | 538 |
| 539 if (flags & NGX_POST_EVENTS) { | |
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540 queue = rev->accept ? &ngx_posted_accept_events |
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541 : &ngx_posted_events; |
| 719 | 542 |
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543 ngx_post_event(rev, queue); |
| 719 | 544 |
| 545 } else { | |
| 546 rev->handler(rev); | |
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547 |
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548 if (ev->closed || ev->instance != instance) { |
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549 continue; |
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550 } |
| 719 | 551 } |
| 552 | |
| 553 if (rev->accept) { | |
| 554 if (ngx_use_accept_mutex) { | |
| 555 ngx_accept_events = 1; | |
| 556 continue; | |
| 557 } | |
| 558 | |
| 559 if (port_associate(ep, PORT_SOURCE_FD, c->fd, POLLIN, | |
| 560 (void *) ((uintptr_t) ev | ev->instance)) | |
| 561 == -1) | |
| 562 { | |
| 563 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, | |
| 564 "port_associate() failed"); | |
| 565 return NGX_ERROR; | |
| 566 } | |
| 567 } | |
| 568 } | |
| 569 | |
| 570 if (revents & POLLOUT) { | |
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571 wev->ready = 1; |
| 719 | 572 |
| 573 if (flags & NGX_POST_EVENTS) { | |
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574 ngx_post_event(wev, &ngx_posted_events); |
| 719 | 575 |
| 576 } else { | |
| 577 wev->handler(wev); | |
| 578 } | |
| 579 } | |
| 580 | |
| 581 continue; | |
| 582 | |
| 583 default: | |
| 584 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
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585 "unexpected eventport object %d", |
| 719 | 586 event_list[i].portev_object); |
| 587 continue; | |
| 588 } | |
| 589 } | |
| 590 | |
| 591 return NGX_OK; | |
| 592 } | |
| 593 | |
| 594 | |
| 595 static void * | |
| 596 ngx_eventport_create_conf(ngx_cycle_t *cycle) | |
| 597 { | |
| 598 ngx_eventport_conf_t *epcf; | |
| 599 | |
| 600 epcf = ngx_palloc(cycle->pool, sizeof(ngx_eventport_conf_t)); | |
| 601 if (epcf == NULL) { | |
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602 return NULL; |
| 719 | 603 } |
| 604 | |
| 605 epcf->events = NGX_CONF_UNSET; | |
| 606 | |
| 607 return epcf; | |
| 608 } | |
| 609 | |
| 610 | |
| 611 static char * | |
| 612 ngx_eventport_init_conf(ngx_cycle_t *cycle, void *conf) | |
| 613 { | |
| 614 ngx_eventport_conf_t *epcf = conf; | |
| 615 | |
| 616 ngx_conf_init_uint_value(epcf->events, 32); | |
| 617 | |
| 618 return NGX_CONF_OK; | |
| 619 } |