new file mode 100644
--- /dev/null
+++ b/src/event/ngx_event_acceptex.c
@@ -0,0 +1,150 @@
+
+#include <ngx_config.h>
+
+#include <ngx_core.h>
+#include <ngx_types.h>
+#include <ngx_log.h>
+#include <ngx_listen.h>
+#include <ngx_connection.h>
+#include <ngx_event.h>
+#include <ngx_event_close.h>
+#include <ngx_iocp_module.h>
+
+#include <ngx_event_acceptex.h>
+
+
+
+/* This function should always return NGX_OK even there are some failures
+   because if we return NGX_ERROR then listening socket would be closed */
+
+int ngx_event_acceptex(ngx_event_t *ev)
+{
+    ngx_connection_t  *c;
+
+    c = (ngx_connection_t *) ev->data;
+
+    if (ev->ovlp.error) {
+        ngx_log_error(NGX_LOG_CRIT, ev->log, ev->ovlp.error,
+                      "AcceptEx(%s) falied", c->addr_text.data);
+        return NGX_OK;
+    }
+
+    GetAcceptExSockaddrs(c->data, 0,
+                         c->socklen + 16, c->socklen + 16,
+                         &c->local_sockaddr, &c->local_socklen,
+                         &c->sockaddr, &c->socklen);
+
+    ngx_event_post_acceptex(c->listening, 1);
+
+    /* STUB: InterlockedInc() */
+    c->number = ngx_connection_counter++;
+
+    c->handler(c);
+
+    return NGX_OK;
+
+}
+
+
+int ngx_event_post_acceptex(ngx_listen_t *ls, int n)
+{
+    int                i;
+    u_int              rcvd;
+    ngx_err_t          err;
+    ngx_pool_t        *pool;
+    ngx_event_t       *rev, *wev;
+    ngx_socket_t       s;
+    ngx_connection_t  *c;
+
+    for (i = 0; i < n; i++) {
+
+        /* TODO: look up reused sockets */
+
+        ngx_log_debug(ls->log, "socket: %x" _ ls->flags);
+
+        s = ngx_socket(ls->family, ls->type, ls->protocol, ls->flags);
+
+        if (s == -1) {
+            ngx_log_error(NGX_LOG_ALERT, ls->log, ngx_socket_errno,
+                          ngx_socket_n " for AcceptEx(%s) falied",
+                          ls->addr_text.data);
+
+            return NGX_ERROR;
+        }
+
+        ngx_test_null(pool, ngx_create_pool(ls->pool_size, ls->log), NGX_ERROR);
+
+        rev = &ngx_read_events[s];
+        wev = &ngx_write_events[s];
+        c = &ngx_connections[s];
+
+        ngx_memzero(rev, sizeof(ngx_event_t));
+        ngx_memzero(wev, sizeof(ngx_event_t));
+        ngx_memzero(c, sizeof(ngx_connection_t));
+
+        c->pool = pool;
+
+        rev->index = wev->index = NGX_INVALID_INDEX;
+
+        rev->ovlp.event = rev;
+        wev->ovlp.event = wev;
+
+        rev->data = wev->data = c;
+        c->read = rev;
+        c->write = wev;
+
+        c->family = ls->family;
+        c->socklen = ls->socklen;
+        c->addr = ls->addr;
+        c->addr_text_max_len = ls->addr_text_max_len;
+        c->post_accept_timeout = ls->post_accept_timeout;
+
+        c->listening = ls;
+        c->fd = s;
+
+        c->unexpected_eof = 1;
+        wev->write = 1;
+
+        c->handler = ls->handler;
+        rev->event_handler = ngx_event_acceptex;
+
+        wev->timer_handler = rev->timer_handler = ngx_event_close_connection;
+        wev->close_handler = rev->close_handler = ngx_event_close_connection;
+
+        c->ctx = ls->ctx;
+        c->servers = ls->servers;
+
+        ngx_test_null(c->data, ngx_palloc(pool, 2 * (c->socklen + 16)),
+                      NGX_ERROR);
+        ngx_test_null(c->local_sockaddr, ngx_palloc(pool, c->socklen),
+                      NGX_ERROR);
+        ngx_test_null(c->sockaddr, ngx_palloc(pool, c->socklen),
+                      NGX_ERROR);
+
+        ngx_test_null(c->log, ngx_palloc(c->pool, sizeof(ngx_log_t)),
+                      NGX_ERROR);
+        ngx_memcpy(c->log, ls->log, sizeof(ngx_log_t));
+        rev->log = wev->log = c->log;
+
+        if (ngx_iocp_add_event(rev) == NGX_ERROR) {
+            return NGX_ERROR;
+        }
+
+        if (AcceptEx(ls->fd, s, c->data, 0,
+                     c->socklen + 16, c->socklen + 16,
+                     &rcvd, (LPOVERLAPPED) &rev->ovlp) == 0) {
+
+            err = ngx_socket_errno;
+            if (err == WSA_IO_PENDING) {
+                return NGX_OK;
+            }
+
+            ngx_log_error(NGX_LOG_ALERT, ls->log, err,
+                          "AcceptEx(%s) falied", ls->addr_text.data);
+
+            return NGX_ERROR;
+        }
+    }
+
+    return NGX_OK;
+}