| /* | |
| * Copyright (C) Igor Sysoev | |
| */ | |
| #include <ngx_config.h> | |
| #include <ngx_core.h> | |
| #include <ngx_event.h> | |
| #include <ngx_kqueue_module.h> | |
| typedef struct { | |
| ngx_uint_t changes; | |
| ngx_uint_t events; | |
| } ngx_kqueue_conf_t; | |
| static ngx_int_t ngx_kqueue_init(ngx_cycle_t *cycle, ngx_msec_t timer); | |
| static void ngx_kqueue_done(ngx_cycle_t *cycle); | |
| static ngx_int_t ngx_kqueue_add_event(ngx_event_t *ev, ngx_int_t event, | |
| ngx_uint_t flags); | |
| static ngx_int_t ngx_kqueue_del_event(ngx_event_t *ev, ngx_int_t event, | |
| ngx_uint_t flags); | |
| static ngx_int_t ngx_kqueue_set_event(ngx_event_t *ev, ngx_int_t filter, | |
| ngx_uint_t flags); | |
| static ngx_int_t ngx_kqueue_process_changes(ngx_cycle_t *cycle, ngx_uint_t try); | |
| static ngx_int_t ngx_kqueue_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, | |
| ngx_uint_t flags); | |
| static ngx_inline void ngx_kqueue_dump_event(ngx_log_t *log, | |
| struct kevent *kev); | |
| static void *ngx_kqueue_create_conf(ngx_cycle_t *cycle); | |
| static char *ngx_kqueue_init_conf(ngx_cycle_t *cycle, void *conf); | |
| int ngx_kqueue = -1; | |
| /* | |
| * The "change_list" should be declared as ngx_thread_volatile. | |
| * However, the use of the change_list is localized in kqueue functions and | |
| * is protected by the mutex so even the "icc -ipo" should not build the code | |
| * with the race condition. Thus we avoid the declaration to make a more | |
| * readable code. | |
| */ | |
| static struct kevent *change_list, *change_list0, *change_list1; | |
| static struct kevent *event_list; | |
| static ngx_uint_t max_changes, nchanges, nevents; | |
| #if (NGX_THREADS) | |
| static ngx_mutex_t *list_mutex; | |
| static ngx_mutex_t *kevent_mutex; | |
| #endif | |
| static ngx_str_t kqueue_name = ngx_string("kqueue"); | |
| static ngx_command_t ngx_kqueue_commands[] = { | |
| { ngx_string("kqueue_changes"), | |
| NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
| ngx_conf_set_num_slot, | |
| 0, | |
| offsetof(ngx_kqueue_conf_t, changes), | |
| NULL }, | |
| { ngx_string("kqueue_events"), | |
| NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
| ngx_conf_set_num_slot, | |
| 0, | |
| offsetof(ngx_kqueue_conf_t, events), | |
| NULL }, | |
| ngx_null_command | |
| }; | |
| ngx_event_module_t ngx_kqueue_module_ctx = { | |
| &kqueue_name, | |
| ngx_kqueue_create_conf, /* create configuration */ | |
| ngx_kqueue_init_conf, /* init configuration */ | |
| { | |
| ngx_kqueue_add_event, /* add an event */ | |
| ngx_kqueue_del_event, /* delete an event */ | |
| ngx_kqueue_add_event, /* enable an event */ | |
| ngx_kqueue_del_event, /* disable an event */ | |
| NULL, /* add an connection */ | |
| NULL, /* delete an connection */ | |
| ngx_kqueue_process_changes, /* process the changes */ | |
| ngx_kqueue_process_events, /* process the events */ | |
| ngx_kqueue_init, /* init the events */ | |
| ngx_kqueue_done /* done the events */ | |
| } | |
| }; | |
| ngx_module_t ngx_kqueue_module = { | |
| NGX_MODULE_V1, | |
| &ngx_kqueue_module_ctx, /* module context */ | |
| ngx_kqueue_commands, /* module directives */ | |
| NGX_EVENT_MODULE, /* module type */ | |
| NULL, /* init master */ | |
| NULL, /* init module */ | |
| NULL, /* init process */ | |
| NULL, /* init thread */ | |
| NULL, /* exit thread */ | |
| NULL, /* exit process */ | |
| NULL, /* exit master */ | |
| NGX_MODULE_V1_PADDING | |
| }; | |
| static ngx_int_t | |
| ngx_kqueue_init(ngx_cycle_t *cycle, ngx_msec_t timer) | |
| { | |
| ngx_kqueue_conf_t *kcf; | |
| struct timespec ts; | |
| #if (NGX_HAVE_TIMER_EVENT) | |
| struct kevent kev; | |
| #endif | |
| kcf = ngx_event_get_conf(cycle->conf_ctx, ngx_kqueue_module); | |
| if (ngx_kqueue == -1) { | |
| ngx_kqueue = kqueue(); | |
| if (ngx_kqueue == -1) { | |
| ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
| "kqueue() failed"); | |
| return NGX_ERROR; | |
| } | |
| #if (NGX_THREADS) | |
| list_mutex = ngx_mutex_init(cycle->log, 0); | |
| if (list_mutex == NULL) { | |
| return NGX_ERROR; | |
| } | |
| kevent_mutex = ngx_mutex_init(cycle->log, 0); | |
| if (kevent_mutex == NULL) { | |
| return NGX_ERROR; | |
| } | |
| #endif | |
| } | |
| if (max_changes < kcf->changes) { | |
| if (nchanges) { | |
| ts.tv_sec = 0; | |
| ts.tv_nsec = 0; | |
| if (kevent(ngx_kqueue, change_list, (int) nchanges, NULL, 0, &ts) | |
| == -1) | |
| { | |
| ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| "kevent() failed"); | |
| return NGX_ERROR; | |
| } | |
| nchanges = 0; | |
| } | |
| if (change_list0) { | |
| ngx_free(change_list0); | |
| } | |
| change_list0 = ngx_alloc(kcf->changes * sizeof(struct kevent), | |
| cycle->log); | |
| if (change_list0 == NULL) { | |
| return NGX_ERROR; | |
| } | |
| if (change_list1) { | |
| ngx_free(change_list1); | |
| } | |
| change_list1 = ngx_alloc(kcf->changes * sizeof(struct kevent), | |
| cycle->log); | |
| if (change_list1 == NULL) { | |
| return NGX_ERROR; | |
| } | |
| change_list = change_list0; | |
| } | |
| max_changes = kcf->changes; | |
| if (nevents < kcf->events) { | |
| if (event_list) { | |
| ngx_free(event_list); | |
| } | |
| event_list = ngx_alloc(kcf->events * sizeof(struct kevent), cycle->log); | |
| if (event_list == NULL) { | |
| return NGX_ERROR; | |
| } | |
| } | |
| ngx_event_flags = NGX_USE_ONESHOT_EVENT | |
| |NGX_USE_KQUEUE_EVENT | |
| |NGX_USE_VNODE_EVENT; | |
| #if (NGX_HAVE_TIMER_EVENT) | |
| if (timer) { | |
| kev.ident = 0; | |
| kev.filter = EVFILT_TIMER; | |
| kev.flags = EV_ADD|EV_ENABLE; | |
| kev.fflags = 0; | |
| kev.data = timer; | |
| kev.udata = 0; | |
| ts.tv_sec = 0; | |
| ts.tv_nsec = 0; | |
| if (kevent(ngx_kqueue, &kev, 1, NULL, 0, &ts) == -1) { | |
| ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| "kevent(EVFILT_TIMER) failed"); | |
| return NGX_ERROR; | |
| } | |
| ngx_event_flags |= NGX_USE_TIMER_EVENT; | |
| } | |
| #endif | |
| #if (NGX_HAVE_CLEAR_EVENT) | |
| ngx_event_flags |= NGX_USE_CLEAR_EVENT; | |
| #else | |
| ngx_event_flags |= NGX_USE_LEVEL_EVENT; | |
| #endif | |
| #if (NGX_HAVE_LOWAT_EVENT) | |
| ngx_event_flags |= NGX_USE_LOWAT_EVENT; | |
| #endif | |
| nevents = kcf->events; | |
| ngx_io = ngx_os_io; | |
| ngx_event_actions = ngx_kqueue_module_ctx.actions; | |
| return NGX_OK; | |
| } | |
| static void | |
| ngx_kqueue_done(ngx_cycle_t *cycle) | |
| { | |
| if (close(ngx_kqueue) == -1) { | |
| ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| "kqueue close() failed"); | |
| } | |
| ngx_kqueue = -1; | |
| #if (NGX_THREADS) | |
| ngx_mutex_destroy(kevent_mutex); | |
| ngx_mutex_destroy(list_mutex); | |
| #endif | |
| ngx_free(change_list1); | |
| ngx_free(change_list0); | |
| ngx_free(event_list); | |
| change_list1 = NULL; | |
| change_list0 = NULL; | |
| change_list = NULL; | |
| event_list = NULL; | |
| max_changes = 0; | |
| nchanges = 0; | |
| nevents = 0; | |
| } | |
| static ngx_int_t | |
| ngx_kqueue_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) | |
| { | |
| ngx_int_t rc; | |
| #if 0 | |
| ngx_event_t *e; | |
| ngx_connection_t *c; | |
| #endif | |
| ev->active = 1; | |
| ev->disabled = 0; | |
| ev->oneshot = (flags & NGX_ONESHOT_EVENT) ? 1 : 0; | |
| ngx_mutex_lock(list_mutex); | |
| #if 0 | |
| if (ev->index < nchanges | |
| && ((uintptr_t) change_list[ev->index].udata & (uintptr_t) ~1) | |
| == (uintptr_t) ev) | |
| { | |
| if (change_list[ev->index].flags == EV_DISABLE) { | |
| /* | |
| * if the EV_DISABLE is still not passed to a kernel | |
| * we will not pass it | |
| */ | |
| ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, | |
| "kevent activated: %d: ft:%i", | |
| ngx_event_ident(ev->data), event); | |
| if (ev->index < --nchanges) { | |
| e = (ngx_event_t *) | |
| ((uintptr_t) change_list[nchanges].udata & (uintptr_t) ~1); | |
| change_list[ev->index] = change_list[nchanges]; | |
| e->index = ev->index; | |
| } | |
| ngx_mutex_unlock(list_mutex); | |
| return NGX_OK; | |
| } | |
| c = ev->data; | |
| ngx_log_error(NGX_LOG_ALERT, ev->log, 0, | |
| "previous event on #%d were not passed in kernel", c->fd); | |
| ngx_mutex_unlock(list_mutex); | |
| return NGX_ERROR; | |
| } | |
| #endif | |
| rc = ngx_kqueue_set_event(ev, event, EV_ADD|EV_ENABLE|flags); | |
| ngx_mutex_unlock(list_mutex); | |
| return rc; | |
| } | |
| static ngx_int_t | |
| ngx_kqueue_del_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) | |
| { | |
| ngx_int_t rc; | |
| ngx_event_t *e; | |
| ev->active = 0; | |
| ev->disabled = 0; | |
| ngx_mutex_lock(list_mutex); | |
| if (ev->index < nchanges | |
| && ((uintptr_t) change_list[ev->index].udata & (uintptr_t) ~1) | |
| == (uintptr_t) ev) | |
| { | |
| ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, | |
| "kevent deleted: %d: ft:%i", | |
| ngx_event_ident(ev->data), event); | |
| /* if the event is still not passed to a kernel we will not pass it */ | |
| nchanges--; | |
| if (ev->index < nchanges) { | |
| e = (ngx_event_t *) | |
| ((uintptr_t) change_list[nchanges].udata & (uintptr_t) ~1); | |
| change_list[ev->index] = change_list[nchanges]; | |
| e->index = ev->index; | |
| } | |
| ngx_mutex_unlock(list_mutex); | |
| return NGX_OK; | |
| } | |
| /* | |
| * when the file descriptor is closed the kqueue automatically deletes | |
| * its filters so we do not need to delete explicity the event | |
| * before the closing the file descriptor. | |
| */ | |
| if (flags & NGX_CLOSE_EVENT) { | |
| ngx_mutex_unlock(list_mutex); | |
| return NGX_OK; | |
| } | |
| if (flags & NGX_DISABLE_EVENT) { | |
| ev->disabled = 1; | |
| } else { | |
| flags |= EV_DELETE; | |
| } | |
| rc = ngx_kqueue_set_event(ev, event, flags); | |
| ngx_mutex_unlock(list_mutex); | |
| return rc; | |
| } | |
| static ngx_int_t | |
| ngx_kqueue_set_event(ngx_event_t *ev, ngx_int_t filter, ngx_uint_t flags) | |
| { | |
| struct kevent *kev; | |
| struct timespec ts; | |
| ngx_connection_t *c; | |
| c = ev->data; | |
| ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, | |
| "kevent set event: %d: ft:%i fl:%04Xi", | |
| c->fd, filter, flags); | |
| if (nchanges >= max_changes) { | |
| ngx_log_error(NGX_LOG_WARN, ev->log, 0, | |
| "kqueue change list is filled up"); | |
| ts.tv_sec = 0; | |
| ts.tv_nsec = 0; | |
| if (kevent(ngx_kqueue, change_list, (int) nchanges, NULL, 0, &ts) | |
| == -1) | |
| { | |
| ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, "kevent() failed"); | |
| return NGX_ERROR; | |
| } | |
| nchanges = 0; | |
| } | |
| kev = &change_list[nchanges]; | |
| kev->ident = c->fd; | |
| kev->filter = (short) filter; | |
| kev->flags = (u_short) flags; | |
| kev->udata = NGX_KQUEUE_UDATA_T ((uintptr_t) ev | ev->instance); | |
| if (filter == EVFILT_VNODE) { | |
| kev->fflags = NOTE_DELETE|NOTE_WRITE|NOTE_EXTEND | |
| |NOTE_ATTRIB|NOTE_RENAME | |
| #if (__FreeBSD__ == 4 && __FreeBSD_version >= 430000) \ | |
| || __FreeBSD_version >= 500018 | |
| |NOTE_REVOKE | |
| #endif | |
| ; | |
| kev->data = 0; | |
| } else { | |
| #if (NGX_HAVE_LOWAT_EVENT) | |
| if (flags & NGX_LOWAT_EVENT) { | |
| kev->fflags = NOTE_LOWAT; | |
| kev->data = ev->available; | |
| } else { | |
| kev->fflags = 0; | |
| kev->data = 0; | |
| } | |
| #else | |
| kev->fflags = 0; | |
| kev->data = 0; | |
| #endif | |
| } | |
| ev->index = nchanges; | |
| nchanges++; | |
| if (flags & NGX_FLUSH_EVENT) { | |
| ts.tv_sec = 0; | |
| ts.tv_nsec = 0; | |
| ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "kevent flush"); | |
| if (kevent(ngx_kqueue, change_list, (int) nchanges, NULL, 0, &ts) | |
| == -1) | |
| { | |
| ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, "kevent() failed"); | |
| return NGX_ERROR; | |
| } | |
| nchanges = 0; | |
| } | |
| return NGX_OK; | |
| } | |
| static ngx_int_t | |
| ngx_kqueue_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, | |
| ngx_uint_t flags) | |
| { | |
| int events, n; | |
| ngx_int_t i, instance; | |
| ngx_uint_t level; | |
| ngx_err_t err; | |
| ngx_event_t *ev, **queue; | |
| struct timespec ts, *tp; | |
| if (ngx_threaded) { | |
| if (ngx_kqueue_process_changes(cycle, 0) == NGX_ERROR) { | |
| return NGX_ERROR; | |
| } | |
| n = 0; | |
| } else { | |
| n = (int) nchanges; | |
| nchanges = 0; | |
| } | |
| if (timer == NGX_TIMER_INFINITE) { | |
| tp = NULL; | |
| } else { | |
| ts.tv_sec = timer / 1000; | |
| ts.tv_nsec = (timer % 1000) * 1000000; | |
| /* | |
| * 64-bit Darwin kernel has the bug: kernel level ts.tv_nsec is | |
| * the int32_t while user level ts.tv_nsec is the long (64-bit), | |
| * so on the big endian PowerPC all nanoseconds are lost. | |
| */ | |
| #if (NGX_DARWIN_KEVENT_BUG) | |
| ts.tv_nsec <<= 32; | |
| #endif | |
| tp = &ts; | |
| } | |
| ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0, | |
| "kevent timer: %M, changes: %d", timer, n); | |
| events = kevent(ngx_kqueue, change_list, n, event_list, (int) nevents, tp); | |
| if (events == -1) { | |
| err = ngx_errno; | |
| } else { | |
| err = 0; | |
| } | |
| if (flags & NGX_UPDATE_TIME) { | |
| ngx_time_update(0, 0); | |
| } | |
| ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, | |
| "kevent events: %d", events); | |
| if (err) { | |
| if (err == NGX_EINTR) { | |
| if (ngx_event_timer_alarm) { | |
| ngx_event_timer_alarm = 0; | |
| return NGX_OK; | |
| } | |
| level = NGX_LOG_INFO; | |
| } else { | |
| level = NGX_LOG_ALERT; | |
| } | |
| ngx_log_error(level, cycle->log, err, "kevent() failed"); | |
| return NGX_ERROR; | |
| } | |
| if (events == 0) { | |
| if (timer != NGX_TIMER_INFINITE) { | |
| return NGX_OK; | |
| } | |
| ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| "kevent() returned no events without timeout"); | |
| return NGX_ERROR; | |
| } | |
| ngx_mutex_lock(ngx_posted_events_mutex); | |
| for (i = 0; i < events; i++) { | |
| ngx_kqueue_dump_event(cycle->log, &event_list[i]); | |
| if (event_list[i].flags & EV_ERROR) { | |
| ngx_log_error(NGX_LOG_ALERT, cycle->log, event_list[i].data, | |
| "kevent() error on %d filter:%d flags:%04Xd", | |
| event_list[i].ident, event_list[i].filter, | |
| event_list[i].flags); | |
| continue; | |
| } | |
| #if (NGX_HAVE_TIMER_EVENT) | |
| if (event_list[i].filter == EVFILT_TIMER) { | |
| ngx_time_update(0, 0); | |
| continue; | |
| } | |
| #endif | |
| ev = (ngx_event_t *) event_list[i].udata; | |
| switch (event_list[i].filter) { | |
| case EVFILT_READ: | |
| case EVFILT_WRITE: | |
| instance = (uintptr_t) ev & 1; | |
| ev = (ngx_event_t *) ((uintptr_t) ev & (uintptr_t) ~1); | |
| if (ev->closed || ev->instance != instance) { | |
| /* | |
| * the stale event from a file descriptor | |
| * that was just closed in this iteration | |
| */ | |
| ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, | |
| "kevent: stale event %p", ev); | |
| continue; | |
| } | |
| if (ev->log && (ev->log->log_level & NGX_LOG_DEBUG_CONNECTION)) { | |
| ngx_kqueue_dump_event(ev->log, &event_list[i]); | |
| } | |
| if (ev->oneshot) { | |
| ev->active = 0; | |
| } | |
| #if (NGX_THREADS) | |
| if ((flags & NGX_POST_THREAD_EVENTS) && !ev->accept) { | |
| ev->posted_ready = 1; | |
| ev->posted_available = event_list[i].data; | |
| if (event_list[i].flags & EV_EOF) { | |
| ev->posted_eof = 1; | |
| ev->posted_errno = event_list[i].fflags; | |
| } | |
| ngx_locked_post_event(ev, &ngx_posted_events); | |
| continue; | |
| } | |
| #endif | |
| ev->available = event_list[i].data; | |
| if (event_list[i].flags & EV_EOF) { | |
| ev->pending_eof = 1; | |
| ev->kq_errno = event_list[i].fflags; | |
| } | |
| ev->ready = 1; | |
| break; | |
| case EVFILT_VNODE: | |
| ev->kq_vnode = 1; | |
| break; | |
| case EVFILT_AIO: | |
| ev->complete = 1; | |
| ev->ready = 1; | |
| break; | |
| default: | |
| ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| "unexpected kevent() filter %d", | |
| event_list[i].filter); | |
| continue; | |
| } | |
| if (flags & NGX_POST_EVENTS) { | |
| queue = (ngx_event_t **) (ev->accept ? &ngx_posted_accept_events: | |
| &ngx_posted_events); | |
| ngx_locked_post_event(ev, queue); | |
| continue; | |
| } | |
| ev->handler(ev); | |
| } | |
| ngx_mutex_unlock(ngx_posted_events_mutex); | |
| return NGX_OK; | |
| } | |
| static ngx_int_t | |
| ngx_kqueue_process_changes(ngx_cycle_t *cycle, ngx_uint_t try) | |
| { | |
| int n; | |
| ngx_int_t rc; | |
| ngx_err_t err; | |
| struct timespec ts; | |
| struct kevent *changes; | |
| ngx_mutex_lock(kevent_mutex); | |
| ngx_mutex_lock(list_mutex); | |
| if (nchanges == 0) { | |
| ngx_mutex_unlock(list_mutex); | |
| ngx_mutex_unlock(kevent_mutex); | |
| return NGX_OK; | |
| } | |
| changes = change_list; | |
| if (change_list == change_list0) { | |
| change_list = change_list1; | |
| } else { | |
| change_list = change_list0; | |
| } | |
| n = (int) nchanges; | |
| nchanges = 0; | |
| ngx_mutex_unlock(list_mutex); | |
| ts.tv_sec = 0; | |
| ts.tv_nsec = 0; | |
| ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, | |
| "kevent changes: %d", n); | |
| if (kevent(ngx_kqueue, changes, n, NULL, 0, &ts) == -1) { | |
| err = ngx_errno; | |
| ngx_log_error((err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT, | |
| cycle->log, err, "kevent() failed"); | |
| rc = NGX_ERROR; | |
| } else { | |
| rc = NGX_OK; | |
| } | |
| ngx_mutex_unlock(kevent_mutex); | |
| return rc; | |
| } | |
| static ngx_inline void | |
| ngx_kqueue_dump_event(ngx_log_t *log, struct kevent *kev) | |
| { | |
| ngx_log_debug6(NGX_LOG_DEBUG_EVENT, log, 0, | |
| (kev->ident > 0x8000000 && kev->ident != (unsigned) -1) ? | |
| "kevent: %p: ft:%d fl:%04Xd ff:%08Xd d:%d ud:%p": | |
| "kevent: %d: ft:%d fl:%04Xd ff:%08Xd d:%d ud:%p", | |
| kev->ident, kev->filter, | |
| kev->flags, kev->fflags, | |
| kev->data, kev->udata); | |
| } | |
| static void * | |
| ngx_kqueue_create_conf(ngx_cycle_t *cycle) | |
| { | |
| ngx_kqueue_conf_t *kcf; | |
| kcf = ngx_palloc(cycle->pool, sizeof(ngx_kqueue_conf_t)); | |
| if (kcf == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| kcf->changes = NGX_CONF_UNSET; | |
| kcf->events = NGX_CONF_UNSET; | |
| return kcf; | |
| } | |
| static char * | |
| ngx_kqueue_init_conf(ngx_cycle_t *cycle, void *conf) | |
| { | |
| ngx_kqueue_conf_t *kcf = conf; | |
| ngx_conf_init_uint_value(kcf->changes, 512); | |
| ngx_conf_init_uint_value(kcf->events, 512); | |
| return NGX_CONF_OK; | |
| } |