Latest update - 7446
This commit is contained in:
+2
-6
@@ -11,6 +11,7 @@ CORE_SRCS="$WIN32_SRCS $IOCP_SRCS"
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OS_CONFIG="$WIN32_CONFIG"
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NGX_ICONS="$NGX_WIN32_ICONS"
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SELECT_SRCS=$WIN32_SELECT_SRCS
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POLL_SRCS=$WIN32_POLL_SRCS
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ngx_pic_opt=
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ngx_binext=".exe"
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@@ -31,12 +32,7 @@ case "$NGX_CC_NAME" in
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esac
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EVENT_MODULES="$EVENT_MODULES $IOCP_MODULE"
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EVENT_FOUND=YES
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if [ $EVENT_SELECT = NO ]; then
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CORE_SRCS="$CORE_SRCS $SELECT_SRCS"
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EVENT_MODULES="$EVENT_MODULES $SELECT_MODULE"
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fi
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#EVENT_FOUND=YES
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have=NGX_HAVE_INET6 . auto/have
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@@ -106,6 +106,7 @@ WIN32_SELECT_SRCS=src/event/modules/ngx_win32_select_module.c
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POLL_MODULE=ngx_poll_module
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POLL_SRCS=src/event/modules/ngx_poll_module.c
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WIN32_POLL_SRCS=src/event/modules/ngx_win32_poll_module.c
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KQUEUE_MODULE=ngx_kqueue_module
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KQUEUE_SRCS=src/event/modules/ngx_kqueue_module.c
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@@ -65,7 +65,6 @@ win32:
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--with-cc-opt=-DFD_SETSIZE=1024 \
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--with-pcre=$(OBJS)/lib/$(PCRE) \
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--with-zlib=$(OBJS)/lib/$(ZLIB) \
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--with-select_module \
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--with-http_v2_module \
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--with-http_realip_module \
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--with-http_addition_module \
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@@ -84,7 +84,7 @@ ngx_poll_init(ngx_cycle_t *cycle, ngx_msec_t timer)
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}
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if (event_list) {
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ngx_memcpy(list, event_list, sizeof(ngx_event_t *) * nevents);
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ngx_memcpy(list, event_list, sizeof(struct pollfd) * nevents);
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ngx_free(event_list);
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}
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@@ -0,0 +1,435 @@
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) Maxim Dounin
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* Copyright (C) Nginx, Inc.
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_event.h>
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static ngx_int_t ngx_poll_init(ngx_cycle_t *cycle, ngx_msec_t timer);
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static void ngx_poll_done(ngx_cycle_t *cycle);
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static ngx_int_t ngx_poll_add_event(ngx_event_t *ev, ngx_int_t event,
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ngx_uint_t flags);
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static ngx_int_t ngx_poll_del_event(ngx_event_t *ev, ngx_int_t event,
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ngx_uint_t flags);
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static ngx_int_t ngx_poll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
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ngx_uint_t flags);
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static char *ngx_poll_init_conf(ngx_cycle_t *cycle, void *conf);
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static struct pollfd *event_list;
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static ngx_connection_t **event_index;
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static ngx_uint_t nevents;
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static ngx_str_t poll_name = ngx_string("poll");
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static ngx_event_module_t ngx_poll_module_ctx = {
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&poll_name,
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NULL, /* create configuration */
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ngx_poll_init_conf, /* init configuration */
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{
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ngx_poll_add_event, /* add an event */
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ngx_poll_del_event, /* delete an event */
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ngx_poll_add_event, /* enable an event */
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ngx_poll_del_event, /* disable an event */
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NULL, /* add an connection */
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NULL, /* delete an connection */
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NULL, /* trigger a notify */
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ngx_poll_process_events, /* process the events */
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ngx_poll_init, /* init the events */
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ngx_poll_done /* done the events */
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}
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};
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ngx_module_t ngx_poll_module = {
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NGX_MODULE_V1,
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&ngx_poll_module_ctx, /* module context */
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NULL, /* module directives */
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NGX_EVENT_MODULE, /* module type */
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NULL, /* init master */
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NULL, /* init module */
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NULL, /* init process */
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NULL, /* init thread */
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NULL, /* exit thread */
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NULL, /* exit process */
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NULL, /* exit master */
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NGX_MODULE_V1_PADDING
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};
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static ngx_int_t
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ngx_poll_init(ngx_cycle_t *cycle, ngx_msec_t timer)
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{
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struct pollfd *list;
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ngx_connection_t **index;
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if (event_list == NULL) {
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nevents = 0;
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}
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if (ngx_process >= NGX_PROCESS_WORKER
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|| cycle->old_cycle == NULL
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|| cycle->old_cycle->connection_n < cycle->connection_n)
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{
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list = ngx_alloc(sizeof(struct pollfd) * cycle->connection_n,
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cycle->log);
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if (list == NULL) {
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return NGX_ERROR;
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}
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if (event_list) {
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ngx_memcpy(list, event_list, sizeof(struct pollfd) * nevents);
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ngx_free(event_list);
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}
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event_list = list;
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index = ngx_alloc(sizeof(ngx_connection_t *) * cycle->connection_n,
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cycle->log);
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if (index == NULL) {
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return NGX_ERROR;
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}
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if (event_index) {
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ngx_memcpy(index, event_index,
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sizeof(ngx_connection_t *) * nevents);
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ngx_free(event_index);
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}
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event_index = index;
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}
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ngx_io = ngx_os_io;
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ngx_event_actions = ngx_poll_module_ctx.actions;
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ngx_event_flags = NGX_USE_LEVEL_EVENT;
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return NGX_OK;
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}
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static void
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ngx_poll_done(ngx_cycle_t *cycle)
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{
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ngx_free(event_list);
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ngx_free(event_index);
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event_list = NULL;
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event_index = NULL;
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}
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static ngx_int_t
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ngx_poll_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags)
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{
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ngx_event_t *e;
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ngx_connection_t *c;
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c = ev->data;
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ev->active = 1;
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if (ev->index != NGX_INVALID_INDEX) {
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ngx_log_error(NGX_LOG_ALERT, ev->log, 0,
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"poll event fd:%d ev:%i is already set", c->fd, event);
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return NGX_OK;
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}
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if (event == NGX_READ_EVENT) {
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e = c->write;
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#if (NGX_READ_EVENT != POLLIN)
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event = POLLIN;
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#endif
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} else {
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e = c->read;
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#if (NGX_WRITE_EVENT != POLLOUT)
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event = POLLOUT;
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#endif
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}
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ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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"poll add event: fd:%d ev:%i", c->fd, event);
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if (e == NULL || e->index == NGX_INVALID_INDEX) {
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event_list[nevents].fd = c->fd;
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event_list[nevents].events = (short) event;
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event_list[nevents].revents = 0;
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event_index[nevents] = c;
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ev->index = nevents;
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nevents++;
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} else {
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ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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"poll add index: %i", e->index);
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event_list[e->index].events |= (short) event;
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ev->index = e->index;
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}
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return NGX_OK;
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}
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static ngx_int_t
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ngx_poll_del_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags)
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{
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ngx_event_t *e;
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ngx_connection_t *c;
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c = ev->data;
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ev->active = 0;
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if (ev->index == NGX_INVALID_INDEX) {
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ngx_log_error(NGX_LOG_ALERT, ev->log, 0,
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"poll event fd:%d ev:%i is already deleted",
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c->fd, event);
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return NGX_OK;
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}
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if (event == NGX_READ_EVENT) {
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e = c->write;
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#if (NGX_READ_EVENT != POLLIN)
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event = POLLIN;
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#endif
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} else {
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e = c->read;
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#if (NGX_WRITE_EVENT != POLLOUT)
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event = POLLOUT;
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#endif
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}
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ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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"poll del event: fd:%d ev:%i", c->fd, event);
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if (e == NULL || e->index == NGX_INVALID_INDEX) {
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nevents--;
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if (ev->index < nevents) {
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ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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"index: copy event %ui to %i", nevents, ev->index);
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event_list[ev->index] = event_list[nevents];
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event_index[ev->index] = event_index[nevents];
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c = event_index[ev->index];
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if (c->fd == (ngx_socket_t) -1) {
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ngx_log_error(NGX_LOG_ALERT, ev->log, 0,
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"unexpected last event");
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} else {
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if (c->read->index == nevents) {
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c->read->index = ev->index;
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}
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if (c->write->index == nevents) {
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c->write->index = ev->index;
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}
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}
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}
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} else {
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ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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"poll del index: %i", e->index);
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event_list[e->index].events &= (short) ~event;
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}
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ev->index = NGX_INVALID_INDEX;
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return NGX_OK;
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}
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static ngx_int_t
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ngx_poll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, ngx_uint_t flags)
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{
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int ready, revents;
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ngx_err_t err;
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ngx_uint_t i, found;
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ngx_event_t *ev;
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ngx_queue_t *queue;
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ngx_connection_t *c;
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/* NGX_TIMER_INFINITE == INFTIM */
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#if (NGX_DEBUG0)
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if (cycle->log->log_level & NGX_LOG_DEBUG_ALL) {
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for (i = 0; i < nevents; i++) {
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ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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"poll: %ui: fd:%d ev:%04Xd",
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i, event_list[i].fd, event_list[i].events);
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}
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}
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#endif
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ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "poll timer: %M", timer);
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ready = WSAPoll(event_list, (u_int) nevents, (int) timer);
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err = (ready == -1) ? ngx_errno : 0;
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if (flags & NGX_UPDATE_TIME || ngx_event_timer_alarm) {
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ngx_time_update();
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}
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ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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"poll ready %d of %ui", ready, nevents);
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if (err) {
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ngx_log_error(NGX_LOG_ALERT, cycle->log, err, "WSAPoll() failed");
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return NGX_ERROR;
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}
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if (ready == 0) {
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if (timer != NGX_TIMER_INFINITE) {
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return NGX_OK;
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}
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ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
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"WSAPoll() returned no events without timeout");
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return NGX_ERROR;
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}
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for (i = 0; i < nevents && ready; i++) {
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revents = event_list[i].revents;
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#if 1
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ngx_log_debug4(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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"poll: %ui: fd:%d ev:%04Xd rev:%04Xd",
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i, event_list[i].fd, event_list[i].events, revents);
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#else
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if (revents) {
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ngx_log_debug4(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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"poll: %ui: fd:%d ev:%04Xd rev:%04Xd",
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i, event_list[i].fd, event_list[i].events, revents);
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}
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#endif
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if (revents & POLLNVAL) {
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ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
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"poll() error fd:%d ev:%04Xd rev:%04Xd",
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event_list[i].fd, event_list[i].events, revents);
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}
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if (revents & ~(POLLIN|POLLOUT|POLLERR|POLLHUP|POLLNVAL)) {
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ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
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"strange poll() events fd:%d ev:%04Xd rev:%04Xd",
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event_list[i].fd, event_list[i].events, revents);
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}
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if (event_list[i].fd == (ngx_socket_t) -1) {
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/*
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* the disabled event, a workaround for our possible bug,
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* see the comment below
|
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*/
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continue;
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}
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c = event_index[i];
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if (c->fd == (ngx_socket_t) -1) {
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ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, "unexpected event");
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||||
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||||
/*
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||||
* it is certainly our fault and it should be investigated,
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||||
* in the meantime we disable this event to avoid a CPU spinning
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||||
*/
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||||
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||||
if (i == nevents - 1) {
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nevents--;
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||||
} else {
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event_list[i].fd = (ngx_socket_t) -1;
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||||
}
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||||
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||||
continue;
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||||
}
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||||
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||||
if (revents & (POLLERR|POLLHUP|POLLNVAL)) {
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||||
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||||
/*
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||||
* if the error events were returned, add POLLIN and POLLOUT
|
||||
* to handle the events at least in one active handler
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||||
*/
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||||
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||||
revents |= POLLIN|POLLOUT;
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||||
}
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||||
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||||
found = 0;
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||||
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||||
if ((revents & POLLIN) && c->read->active) {
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||||
found = 1;
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||||
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||||
ev = c->read;
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||||
ev->ready = 1;
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||||
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||||
queue = ev->accept ? &ngx_posted_accept_events
|
||||
: &ngx_posted_events;
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||||
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||||
ngx_post_event(ev, queue);
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||||
}
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||||
|
||||
if ((revents & POLLOUT) && c->write->active) {
|
||||
found = 1;
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||||
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||||
ev = c->write;
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||||
ev->ready = 1;
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||||
|
||||
ngx_post_event(ev, &ngx_posted_events);
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||||
}
|
||||
|
||||
if (found) {
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||||
ready--;
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||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
if (ready != 0) {
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||||
ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, "poll ready != events");
|
||||
}
|
||||
|
||||
return NGX_OK;
|
||||
}
|
||||
|
||||
|
||||
static char *
|
||||
ngx_poll_init_conf(ngx_cycle_t *cycle, void *conf)
|
||||
{
|
||||
ngx_event_conf_t *ecf;
|
||||
|
||||
ecf = ngx_event_get_conf(cycle->conf_ctx, ngx_event_core_module);
|
||||
|
||||
if (ecf->use != ngx_poll_module.ctx_index) {
|
||||
return NGX_CONF_OK;
|
||||
}
|
||||
|
||||
#if (NGX_LOAD_WSAPOLL)
|
||||
|
||||
if (!ngx_have_wsapoll) {
|
||||
ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
||||
"poll is not available on this platform");
|
||||
return NGX_CONF_ERROR;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
return NGX_CONF_OK;
|
||||
}
|
||||
@@ -26,6 +26,7 @@ static fd_set master_read_fd_set;
|
||||
static fd_set master_write_fd_set;
|
||||
static fd_set work_read_fd_set;
|
||||
static fd_set work_write_fd_set;
|
||||
static fd_set work_except_fd_set;
|
||||
|
||||
static ngx_uint_t max_read;
|
||||
static ngx_uint_t max_write;
|
||||
@@ -251,9 +252,11 @@ ngx_select_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
|
||||
|
||||
work_read_fd_set = master_read_fd_set;
|
||||
work_write_fd_set = master_write_fd_set;
|
||||
work_except_fd_set = master_write_fd_set;
|
||||
|
||||
if (max_read || max_write) {
|
||||
ready = select(0, &work_read_fd_set, &work_write_fd_set, NULL, tp);
|
||||
ready = select(0, &work_read_fd_set, &work_write_fd_set,
|
||||
&work_except_fd_set, tp);
|
||||
|
||||
} else {
|
||||
|
||||
@@ -306,14 +309,20 @@ ngx_select_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
|
||||
|
||||
if (ev->write) {
|
||||
if (FD_ISSET(c->fd, &work_write_fd_set)) {
|
||||
found = 1;
|
||||
found++;
|
||||
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
||||
"select write %d", c->fd);
|
||||
}
|
||||
|
||||
if (FD_ISSET(c->fd, &work_except_fd_set)) {
|
||||
found++;
|
||||
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
||||
"select except %d", c->fd);
|
||||
}
|
||||
|
||||
} else {
|
||||
if (FD_ISSET(c->fd, &work_read_fd_set)) {
|
||||
found = 1;
|
||||
found++;
|
||||
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
||||
"select read %d", c->fd);
|
||||
}
|
||||
@@ -327,7 +336,7 @@ ngx_select_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
|
||||
|
||||
ngx_post_event(ev, queue);
|
||||
|
||||
nready++;
|
||||
nready += found;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -200,6 +200,49 @@ extern LPFN_CONNECTEX ngx_connectex;
|
||||
extern LPFN_DISCONNECTEX ngx_disconnectex;
|
||||
|
||||
|
||||
#if (NGX_HAVE_POLL && !defined POLLIN)
|
||||
|
||||
/*
|
||||
* WSAPoll() is only available if _WIN32_WINNT >= 0x0600.
|
||||
* If it is not available during compilation, we try to
|
||||
* load it dynamically at runtime.
|
||||
*/
|
||||
|
||||
#define NGX_LOAD_WSAPOLL 1
|
||||
|
||||
#define POLLRDNORM 0x0100
|
||||
#define POLLRDBAND 0x0200
|
||||
#define POLLIN (POLLRDNORM | POLLRDBAND)
|
||||
#define POLLPRI 0x0400
|
||||
|
||||
#define POLLWRNORM 0x0010
|
||||
#define POLLOUT (POLLWRNORM)
|
||||
#define POLLWRBAND 0x0020
|
||||
|
||||
#define POLLERR 0x0001
|
||||
#define POLLHUP 0x0002
|
||||
#define POLLNVAL 0x0004
|
||||
|
||||
typedef struct pollfd {
|
||||
|
||||
SOCKET fd;
|
||||
SHORT events;
|
||||
SHORT revents;
|
||||
|
||||
} WSAPOLLFD, *PWSAPOLLFD, FAR *LPWSAPOLLFD;
|
||||
|
||||
typedef int (WSAAPI *ngx_wsapoll_pt)(
|
||||
LPWSAPOLLFD fdArray,
|
||||
ULONG fds,
|
||||
INT timeout
|
||||
);
|
||||
|
||||
extern ngx_wsapoll_pt WSAPoll;
|
||||
extern ngx_uint_t ngx_have_wsapoll;
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
int ngx_tcp_push(ngx_socket_t s);
|
||||
#define ngx_tcp_push_n "tcp_push()"
|
||||
|
||||
|
||||
@@ -58,6 +58,12 @@ static GUID cx_guid = WSAID_CONNECTEX;
|
||||
static GUID dx_guid = WSAID_DISCONNECTEX;
|
||||
|
||||
|
||||
#if (NGX_LOAD_WSAPOLL)
|
||||
ngx_wsapoll_pt WSAPoll;
|
||||
ngx_uint_t ngx_have_wsapoll;
|
||||
#endif
|
||||
|
||||
|
||||
ngx_int_t
|
||||
ngx_os_init(ngx_log_t *log)
|
||||
{
|
||||
@@ -223,6 +229,32 @@ ngx_os_init(ngx_log_t *log)
|
||||
ngx_close_socket_n " failed");
|
||||
}
|
||||
|
||||
#if (NGX_LOAD_WSAPOLL)
|
||||
{
|
||||
HMODULE hmod;
|
||||
|
||||
hmod = GetModuleHandle("ws2_32.dll");
|
||||
if (hmod == NULL) {
|
||||
ngx_log_error(NGX_LOG_NOTICE, log, ngx_errno,
|
||||
"GetModuleHandle(\"ws2_32.dll\") failed");
|
||||
goto nopoll;
|
||||
}
|
||||
|
||||
WSAPoll = (ngx_wsapoll_pt) GetProcAddress(hmod, "WSAPoll");
|
||||
if (WSAPoll == NULL) {
|
||||
ngx_log_error(NGX_LOG_NOTICE, log, ngx_errno,
|
||||
"GetProcAddress(\"WSAPoll\") failed");
|
||||
goto nopoll;
|
||||
}
|
||||
|
||||
ngx_have_wsapoll = 1;
|
||||
|
||||
}
|
||||
|
||||
nopoll:
|
||||
|
||||
#endif
|
||||
|
||||
if (GetEnvironmentVariable("ngx_unique", ngx_unique, NGX_INT32_LEN + 1)
|
||||
!= 0)
|
||||
{
|
||||
|
||||
Reference in New Issue
Block a user