|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <ngx_event.h>
|
|
|
10
|
|
|
11
|
|
|
12 #if (TEST_BUILD_DEVPOLL)
|
|
|
13
|
|
|
14 /* Solaris declarations */
|
|
|
15
|
|
|
16 #define POLLREMOVE 0x0800
|
|
|
17 #define DP_POLL 0xD001
|
|
|
18
|
|
|
19 struct dvpoll {
|
|
|
20 struct pollfd *dp_fds;
|
|
|
21 int dp_nfds;
|
|
|
22 int dp_timeout;
|
|
|
23 };
|
|
|
24
|
|
|
25 #endif
|
|
|
26
|
|
|
27
|
|
|
28 typedef struct {
|
|
|
29 u_int changes;
|
|
|
30 u_int events;
|
|
|
31 } ngx_devpoll_conf_t;
|
|
|
32
|
|
|
33
|
|
|
34 static int ngx_devpoll_init(ngx_cycle_t *cycle);
|
|
|
35 static void ngx_devpoll_done(ngx_cycle_t *cycle);
|
|
|
36 static int ngx_devpoll_add_event(ngx_event_t *ev, int event, u_int flags);
|
|
|
37 static int ngx_devpoll_del_event(ngx_event_t *ev, int event, u_int flags);
|
|
|
38 static int ngx_devpoll_set_event(ngx_event_t *ev, int event, u_int flags);
|
|
|
39 static int ngx_devpoll_process_events(ngx_cycle_t *cycle);
|
|
|
40
|
|
|
41 static void *ngx_devpoll_create_conf(ngx_cycle_t *cycle);
|
|
|
42 static char *ngx_devpoll_init_conf(ngx_cycle_t *cycle, void *conf);
|
|
|
43
|
|
|
44 static int dp = -1;
|
|
|
45 static struct pollfd *change_list, *event_list;
|
|
|
46 static u_int nchanges, max_changes, nevents;
|
|
|
47
|
|
|
48 static ngx_event_t **change_index;
|
|
|
49
|
|
|
50
|
|
|
51 static ngx_str_t devpoll_name = ngx_string("/dev/poll");
|
|
|
52
|
|
|
53 static ngx_command_t ngx_devpoll_commands[] = {
|
|
|
54
|
|
|
55 {ngx_string("devpoll_changes"),
|
|
|
56 NGX_EVENT_CONF|NGX_CONF_TAKE1,
|
|
|
57 ngx_conf_set_num_slot,
|
|
|
58 0,
|
|
|
59 offsetof(ngx_devpoll_conf_t, changes),
|
|
|
60 NULL},
|
|
|
61
|
|
|
62 {ngx_string("devpoll_events"),
|
|
|
63 NGX_EVENT_CONF|NGX_CONF_TAKE1,
|
|
|
64 ngx_conf_set_num_slot,
|
|
|
65 0,
|
|
|
66 offsetof(ngx_devpoll_conf_t, events),
|
|
|
67 NULL},
|
|
|
68
|
|
|
69 ngx_null_command
|
|
|
70 };
|
|
|
71
|
|
|
72
|
|
|
73 ngx_event_module_t ngx_devpoll_module_ctx = {
|
|
|
74 &devpoll_name,
|
|
|
75 ngx_devpoll_create_conf, /* create configuration */
|
|
|
76 ngx_devpoll_init_conf, /* init configuration */
|
|
|
77
|
|
|
78 {
|
|
|
79 ngx_devpoll_add_event, /* add an event */
|
|
|
80 ngx_devpoll_del_event, /* delete an event */
|
|
|
81 ngx_devpoll_add_event, /* enable an event */
|
|
|
82 ngx_devpoll_del_event, /* disable an event */
|
|
|
83 NULL, /* add an connection */
|
|
|
84 NULL, /* delete an connection */
|
|
|
85 NULL, /* process the changes */
|
|
|
86 ngx_devpoll_process_events, /* process the events */
|
|
|
87 ngx_devpoll_init, /* init the events */
|
|
|
88 ngx_devpoll_done, /* done the events */
|
|
|
89 }
|
|
|
90
|
|
|
91 };
|
|
|
92
|
|
|
93 ngx_module_t ngx_devpoll_module = {
|
|
|
94 NGX_MODULE,
|
|
|
95 &ngx_devpoll_module_ctx, /* module context */
|
|
|
96 ngx_devpoll_commands, /* module directives */
|
|
|
97 NGX_EVENT_MODULE, /* module type */
|
|
|
98 NULL, /* init module */
|
|
|
99 NULL /* init process */
|
|
|
100 };
|
|
|
101
|
|
|
102
|
|
|
103 static int ngx_devpoll_init(ngx_cycle_t *cycle)
|
|
|
104 {
|
|
|
105 size_t n;
|
|
|
106 ngx_devpoll_conf_t *dpcf;
|
|
|
107
|
|
|
108 dpcf = ngx_event_get_conf(cycle->conf_ctx, ngx_devpoll_module);
|
|
|
109
|
|
|
110 if (dp == -1) {
|
|
|
111 dp = open("/dev/poll", O_RDWR);
|
|
|
112
|
|
|
113 if (dp == -1) {
|
|
|
114 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
115 "open(/dev/poll) failed");
|
|
|
116 return NGX_ERROR;
|
|
|
117 }
|
|
|
118 }
|
|
|
119
|
|
|
120 if (max_changes < dpcf->changes) {
|
|
|
121 if (nchanges) {
|
|
|
122 n = nchanges * sizeof(struct pollfd);
|
|
|
123 if (write(dp, change_list, n) != (ssize_t) n) {
|
|
|
124 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
125 "write(/dev/poll) failed");
|
|
|
126 return NGX_ERROR;
|
|
|
127 }
|
|
|
128
|
|
|
129 nchanges = 0;
|
|
|
130 }
|
|
|
131
|
|
|
132 if (change_list) {
|
|
|
133 ngx_free(change_list);
|
|
|
134 }
|
|
|
135
|
|
|
136 ngx_test_null(change_list,
|
|
|
137 ngx_alloc(sizeof(struct pollfd) * dpcf->changes,
|
|
|
138 cycle->log),
|
|
|
139 NGX_ERROR);
|
|
|
140
|
|
|
141 if (change_index) {
|
|
|
142 ngx_free(change_index);
|
|
|
143 }
|
|
|
144
|
|
|
145 ngx_test_null(change_index,
|
|
|
146 ngx_alloc(sizeof(ngx_event_t *) * dpcf->changes,
|
|
|
147 cycle->log),
|
|
|
148 NGX_ERROR);
|
|
|
149 }
|
|
|
150
|
|
|
151 max_changes = dpcf->changes;
|
|
|
152
|
|
|
153 if (nevents < dpcf->events) {
|
|
|
154 if (event_list) {
|
|
|
155 ngx_free(event_list);
|
|
|
156 }
|
|
|
157
|
|
|
158 ngx_test_null(event_list,
|
|
|
159 ngx_alloc(sizeof(struct pollfd) * dpcf->events,
|
|
|
160 cycle->log),
|
|
|
161 NGX_ERROR);
|
|
|
162 }
|
|
|
163
|
|
|
164 nevents = dpcf->events;
|
|
|
165
|
|
|
166 ngx_io = ngx_os_io;
|
|
|
167
|
|
|
168 ngx_event_actions = ngx_devpoll_module_ctx.actions;
|
|
|
169
|
|
|
170 ngx_event_flags = NGX_USE_LEVEL_EVENT;
|
|
|
171
|
|
|
172 return NGX_OK;
|
|
|
173 }
|
|
|
174
|
|
|
175
|
|
|
176 static void ngx_devpoll_done(ngx_cycle_t *cycle)
|
|
|
177 {
|
|
|
178 if (close(dp) == -1) {
|
|
|
179 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
180 "close(/dev/poll) failed");
|
|
|
181 }
|
|
|
182
|
|
|
183 dp = -1;
|
|
|
184
|
|
|
185 ngx_free(change_list);
|
|
|
186 ngx_free(event_list);
|
|
|
187 ngx_free(change_index);
|
|
|
188
|
|
|
189 change_list = NULL;
|
|
|
190 event_list = NULL;
|
|
|
191 change_index = NULL;
|
|
|
192 max_changes = 0;
|
|
|
193 nchanges = 0;
|
|
|
194 nevents = 0;
|
|
|
195 }
|
|
|
196
|
|
|
197
|
|
|
198 static int ngx_devpoll_add_event(ngx_event_t *ev, int event, u_int flags)
|
|
|
199 {
|
|
|
200 #if (NGX_DEBUG)
|
|
|
201 ngx_connection_t *c;
|
|
|
202 #endif
|
|
|
203
|
|
|
204 #if (NGX_READ_EVENT != POLLIN)
|
|
|
205 if (event == NGX_READ_EVENT) {
|
|
|
206 event = POLLOUT;
|
|
|
207 #if (NGX_WRITE_EVENT != POLLOUT)
|
|
|
208 } else {
|
|
|
209 event = POLLIN;
|
|
|
210 #endif
|
|
|
211 }
|
|
|
212 #endif
|
|
|
213
|
|
|
214 #if (NGX_DEBUG)
|
|
|
215 c = ev->data;
|
|
|
216 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
|
|
|
217 "devpoll add event: fd:%d ev:%04X", c->fd, event);
|
|
|
218 #endif
|
|
|
219
|
|
|
220 ev->active = 1;
|
|
|
221 return ngx_devpoll_set_event(ev, event, 0);
|
|
|
222 }
|
|
|
223
|
|
|
224
|
|
|
225 static int ngx_devpoll_del_event(ngx_event_t *ev, int event, u_int flags)
|
|
|
226 {
|
|
|
227 ngx_event_t *e;
|
|
|
228 ngx_connection_t *c;
|
|
|
229
|
|
|
230 c = ev->data;
|
|
|
231
|
|
|
232 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
|
|
|
233 "devpoll del event: fd:%d ev:%04X", c->fd, event);
|
|
|
234
|
|
|
235 if (ngx_devpoll_set_event(ev, POLLREMOVE, flags) == NGX_ERROR) {
|
|
|
236 return NGX_ERROR;
|
|
|
237 }
|
|
|
238
|
|
|
239 ev->active = 0;
|
|
|
240
|
|
|
241 if (flags & NGX_CLOSE_EVENT) {
|
|
|
242 return NGX_OK;
|
|
|
243 }
|
|
|
244
|
|
|
245 /* we need to restore the second event if it exists */
|
|
|
246
|
|
|
247 if (event == NGX_READ_EVENT) {
|
|
|
248 if (ev->accept) {
|
|
|
249 return NGX_OK;
|
|
|
250 }
|
|
|
251
|
|
|
252 e = c->write;
|
|
|
253 event = POLLOUT;
|
|
|
254
|
|
|
255 } else {
|
|
|
256 e = c->read;
|
|
|
257 event = POLLIN;
|
|
|
258 }
|
|
|
259
|
|
|
260 if (e) {
|
|
|
261 return ngx_devpoll_set_event(e, event, 0);
|
|
|
262 }
|
|
|
263
|
|
|
264 return NGX_OK;
|
|
|
265 }
|
|
|
266
|
|
|
267
|
|
|
268 static int ngx_devpoll_set_event(ngx_event_t *ev, int event, u_int flags)
|
|
|
269 {
|
|
|
270 size_t n;
|
|
|
271 ngx_connection_t *c;
|
|
|
272
|
|
|
273 c = ev->data;
|
|
|
274
|
|
|
275 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
|
|
|
276 "devpoll fd:%d ev:%d fl:%d", c->fd, event, flags);
|
|
|
277
|
|
|
278 if (nchanges >= max_changes) {
|
|
|
279 ngx_log_error(NGX_LOG_WARN, ev->log, 0,
|
|
|
280 "/dev/pool change list is filled up");
|
|
|
281
|
|
|
282 n = nchanges * sizeof(struct pollfd);
|
|
|
283 if (write(dp, change_list, n) != (ssize_t) n) {
|
|
|
284 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
|
|
|
285 "write(/dev/poll) failed");
|
|
|
286 return NGX_ERROR;
|
|
|
287 }
|
|
|
288
|
|
|
289 nchanges = 0;
|
|
|
290 }
|
|
|
291
|
|
|
292 change_list[nchanges].fd = c->fd;
|
|
|
293 change_list[nchanges].events = event;
|
|
|
294 change_list[nchanges].revents = 0;
|
|
|
295
|
|
|
296 change_index[nchanges] = ev;
|
|
|
297 ev->index = nchanges;
|
|
|
298
|
|
|
299 nchanges++;
|
|
|
300
|
|
|
301 if (flags & NGX_CLOSE_EVENT) {
|
|
|
302 n = nchanges * sizeof(struct pollfd);
|
|
|
303 if (write(dp, change_list, n) != (ssize_t) n) {
|
|
|
304 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
|
|
|
305 "write(/dev/poll) failed");
|
|
|
306 return NGX_ERROR;
|
|
|
307 }
|
|
|
308
|
|
|
309 nchanges = 0;
|
|
|
310 }
|
|
|
311
|
|
|
312 return NGX_OK;
|
|
|
313 }
|
|
|
314
|
|
|
315
|
|
|
316 int ngx_devpoll_process_events(ngx_cycle_t *cycle)
|
|
|
317 {
|
|
|
318 int events;
|
|
|
319 ngx_int_t i;
|
|
|
320 ngx_uint_t j, lock, accept_lock, expire;
|
|
|
321 size_t n;
|
|
|
322 ngx_msec_t timer;
|
|
|
323 ngx_err_t err;
|
|
|
324 ngx_cycle_t **old_cycle;
|
|
|
325 ngx_event_t *rev, *wev;
|
|
|
326 ngx_connection_t *c;
|
|
|
327 ngx_epoch_msec_t delta;
|
|
|
328 struct dvpoll dvp;
|
|
|
329 struct timeval tv;
|
|
|
330
|
|
|
331 for ( ;; ) {
|
|
|
332 timer = ngx_event_find_timer();
|
|
|
333
|
|
|
334 if (timer != 0) {
|
|
|
335 break;
|
|
|
336 }
|
|
|
337
|
|
|
338 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
339 "devpoll expired timer");
|
|
|
340
|
|
|
341 ngx_event_expire_timers((ngx_msec_t)
|
|
|
342 (ngx_elapsed_msec - ngx_old_elapsed_msec));
|
|
|
343 }
|
|
|
344
|
|
|
345 /* NGX_TIMER_INFINITE == INFTIM */
|
|
|
346
|
|
|
347 if (timer == NGX_TIMER_INFINITE) {
|
|
|
348 expire = 0;
|
|
|
349
|
|
|
350 } else {
|
|
|
351 expire = 1;
|
|
|
352 }
|
|
|
353
|
|
|
354 ngx_old_elapsed_msec = ngx_elapsed_msec;
|
|
|
355 accept_lock = 0;
|
|
|
356
|
|
|
357 if (ngx_accept_mutex) {
|
|
|
358 if (ngx_accept_disabled > 0) {
|
|
|
359 ngx_accept_disabled--;
|
|
|
360
|
|
|
361 } else {
|
|
|
362 if (ngx_trylock_accept_mutex(cycle) == NGX_ERROR) {
|
|
|
363 return NGX_ERROR;
|
|
|
364 }
|
|
|
365
|
|
|
366 if (ngx_accept_mutex_held) {
|
|
|
367 accept_lock = 1;
|
|
|
368
|
|
|
369 } else if (timer == NGX_TIMER_INFINITE
|
|
|
370 || timer > ngx_accept_mutex_delay)
|
|
|
371 {
|
|
|
372 timer = ngx_accept_mutex_delay;
|
|
|
373 expire = 0;
|
|
|
374 }
|
|
|
375 }
|
|
|
376 }
|
|
|
377
|
|
|
378 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
379 "devpoll timer: %d", timer);
|
|
|
380
|
|
|
381 if (nchanges) {
|
|
|
382 n = nchanges * sizeof(struct pollfd);
|
|
|
383 if (write(dp, change_list, n) != (ssize_t) n) {
|
|
|
384 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
385 "write(/dev/poll) failed");
|
|
|
386 ngx_accept_mutex_unlock();
|
|
|
387 return NGX_ERROR;
|
|
|
388 }
|
|
|
389 }
|
|
|
390
|
|
|
391 dvp.dp_fds = event_list;
|
|
|
392 dvp.dp_nfds = nevents;
|
|
|
393 dvp.dp_timeout = timer;
|
|
|
394 events = ioctl(dp, DP_POLL, &dvp);
|
|
|
395
|
|
|
396 if (events == -1) {
|
|
|
397 err = ngx_errno;
|
|
|
398 } else {
|
|
|
399 err = 0;
|
|
|
400 }
|
|
|
401
|
|
|
402 nchanges = 0;
|
|
|
403
|
|
|
404 ngx_gettimeofday(&tv);
|
|
|
405 ngx_time_update(tv.tv_sec);
|
|
|
406
|
|
|
407 delta = ngx_elapsed_msec;
|
|
|
408 ngx_elapsed_msec = (ngx_epoch_msec_t) tv.tv_sec * 1000
|
|
|
409 + tv.tv_usec / 1000 - ngx_start_msec;
|
|
|
410
|
|
|
411 if (err) {
|
|
|
412 ngx_log_error((err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT,
|
|
|
413 cycle->log, err, "ioctl(DP_POLL) failed");
|
|
|
414 ngx_accept_mutex_unlock();
|
|
|
415 return NGX_ERROR;
|
|
|
416 }
|
|
|
417
|
|
|
418 if (timer != NGX_TIMER_INFINITE) {
|
|
|
419 delta = ngx_elapsed_msec - delta;
|
|
|
420
|
|
|
421 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
422 "devpoll timer: %d, delta: %d", timer, (int) delta);
|
|
|
423 } else {
|
|
|
424 if (events == 0) {
|
|
|
425 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
426 "ioctl(DP_POLL) returned no events without timeout");
|
|
|
427 ngx_accept_mutex_unlock();
|
|
|
428 return NGX_ERROR;
|
|
|
429 }
|
|
|
430 }
|
|
|
431
|
|
|
432 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
|
|
|
433 ngx_accept_mutex_unlock();
|
|
|
434 return NGX_ERROR;
|
|
|
435 }
|
|
|
436
|
|
|
437 lock = 1;
|
|
|
438
|
|
|
439 for (i = 0; i < events; i++) {
|
|
|
440 c = &ngx_cycle->connections[event_list[i].fd];
|
|
|
441
|
|
|
442 if (c->fd == -1) {
|
|
|
443 old_cycle = ngx_old_cycles.elts;
|
|
|
444 for (j = 0; j < ngx_old_cycles.nelts; j++) {
|
|
|
445 if (old_cycle[j] == NULL) {
|
|
|
446 continue;
|
|
|
447 }
|
|
|
448 c = &old_cycle[j]->connections[event_list[i].fd];
|
|
|
449 if (c->fd != -1) {
|
|
|
450 break;
|
|
|
451 }
|
|
|
452 }
|
|
|
453 }
|
|
|
454
|
|
|
455 if (c->fd == -1) {
|
|
|
456 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, "unknown cycle");
|
|
|
457 exit(1);
|
|
|
458 }
|
|
|
459
|
|
|
460 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
461 "devpoll: fd:%d, ev:%04X, rev:%04X",
|
|
|
462 event_list[i].fd,
|
|
|
463 event_list[i].events, event_list[i].revents);
|
|
|
464
|
|
|
465 if (event_list[i].revents & (POLLERR|POLLHUP|POLLNVAL)) {
|
|
|
466 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
467 "ioctl(DP_POLL) error fd:%d ev:%04X rev:%04X",
|
|
|
468 event_list[i].fd,
|
|
|
469 event_list[i].events, event_list[i].revents);
|
|
|
470 }
|
|
|
471
|
|
|
472 if (event_list[i].revents & ~(POLLIN|POLLOUT|POLLERR|POLLHUP|POLLNVAL))
|
|
|
473 {
|
|
|
474 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
475 "strange ioctl(DP_POLL) events "
|
|
|
476 "fd:%d ev:%04X rev:%04X",
|
|
|
477 event_list[i].fd,
|
|
|
478 event_list[i].events, event_list[i].revents);
|
|
|
479 }
|
|
|
480
|
|
|
481 wev = c->write;
|
|
|
482
|
|
|
483 if ((event_list[i].events & (POLLOUT|POLLERR|POLLHUP)) && wev->active) {
|
|
|
484 wev->ready = 1;
|
|
|
485
|
|
|
486 if (!ngx_threaded && !ngx_accept_mutex_held) {
|
|
|
487 wev->event_handler(wev);
|
|
|
488
|
|
|
489 } else {
|
|
|
490 ngx_post_event(wev);
|
|
|
491 }
|
|
|
492 }
|
|
|
493
|
|
|
494 /*
|
|
|
495 * POLLIN must be handled after POLLOUT because we use
|
|
|
496 * the optimization to avoid the unnecessary mutex locking/unlocking
|
|
|
497 * if the accept event is the last one.
|
|
|
498 */
|
|
|
499
|
|
|
500 rev = c->read;
|
|
|
501
|
|
|
502 if ((event_list[i].events & (POLLIN|POLLERR|POLLHUP)) && rev->active) {
|
|
|
503 rev->ready = 1;
|
|
|
504
|
|
|
505 if (!ngx_threaded && !ngx_accept_mutex_held) {
|
|
|
506 rev->event_handler(rev);
|
|
|
507
|
|
|
508 } else if (!rev->accept) {
|
|
|
509 ngx_post_event(rev);
|
|
|
510
|
|
|
511 } else if (ngx_accept_disabled <= 0) {
|
|
|
512 ngx_mutex_unlock(ngx_posted_events_mutex);
|
|
|
513
|
|
|
514 c->read->event_handler(rev);
|
|
|
515
|
|
|
516 if (ngx_accept_disabled > 0) {
|
|
|
517 ngx_accept_mutex_unlock();
|
|
|
518 accept_lock = 0;
|
|
|
519 }
|
|
|
520
|
|
|
521 if (i + 1 == events) {
|
|
|
522 lock = 0;
|
|
|
523 break;
|
|
|
524 }
|
|
|
525
|
|
|
526 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
|
|
|
527 if (accept_lock) {
|
|
|
528 ngx_accept_mutex_unlock();
|
|
|
529 }
|
|
|
530 return NGX_ERROR;
|
|
|
531 }
|
|
|
532 }
|
|
|
533 }
|
|
|
534 }
|
|
|
535
|
|
|
536 if (accept_lock) {
|
|
|
537 ngx_accept_mutex_unlock();
|
|
|
538 }
|
|
|
539
|
|
|
540 if (lock) {
|
|
|
541 ngx_mutex_unlock(ngx_posted_events_mutex);
|
|
|
542 }
|
|
|
543
|
|
|
544 if (expire && delta) {
|
|
|
545 ngx_event_expire_timers((ngx_msec_t) delta);
|
|
|
546 }
|
|
|
547
|
|
|
548 if (!ngx_threaded) {
|
|
|
549 ngx_event_process_posted(cycle);
|
|
|
550 }
|
|
|
551
|
|
|
552 return NGX_OK;
|
|
|
553 }
|
|
|
554
|
|
|
555
|
|
|
556 static void *ngx_devpoll_create_conf(ngx_cycle_t *cycle)
|
|
|
557 {
|
|
|
558 ngx_devpoll_conf_t *dpcf;
|
|
|
559
|
|
|
560 ngx_test_null(dpcf, ngx_palloc(cycle->pool, sizeof(ngx_devpoll_conf_t)),
|
|
|
561 NGX_CONF_ERROR);
|
|
|
562
|
|
|
563 dpcf->changes = NGX_CONF_UNSET;
|
|
|
564 dpcf->events = NGX_CONF_UNSET;
|
|
|
565
|
|
|
566 return dpcf;
|
|
|
567 }
|
|
|
568
|
|
|
569
|
|
|
570 static char *ngx_devpoll_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
|
571 {
|
|
|
572 ngx_devpoll_conf_t *dpcf = conf;
|
|
|
573
|
|
|
574 ngx_conf_init_unsigned_value(dpcf->changes, 512);
|
|
|
575 ngx_conf_init_unsigned_value(dpcf->events, 512);
|
|
|
576
|
|
|
577 return NGX_CONF_OK;
|
|
|
578 }
|
