--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -1899,109 +1899,10 @@ void ngx_ssl_close_handler(ngx_event_t *
 
 void ngx_http_close_connection(ngx_connection_t *c)
 {
-    ngx_socket_t  fd;
-
     ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
                    "close http connection: %d", c->fd);
 
-    if (c->pool == NULL) {
-        ngx_log_error(NGX_LOG_ALERT, c->log, 0, "connection already closed");
-        return;
-    }
-
-#if (NGX_HTTP_SSL)
-
-    if (c->ssl) {
-        if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
-            c->read->event_handler = ngx_ssl_close_handler;
-            c->write->event_handler = ngx_ssl_close_handler;
-            return;
-        }
-    }
-
-#endif
-
-    if (c->read->timer_set) {
-        ngx_del_timer(c->read);
-    }
-
-    if (c->write->timer_set) {
-        ngx_del_timer(c->write);
-    }
-
-    if (ngx_del_conn) {
-        ngx_del_conn(c, NGX_CLOSE_EVENT);
-
-    } else {
-        if (c->read->active || c->read->disabled) {
-            ngx_del_event(c->read, NGX_READ_EVENT, NGX_CLOSE_EVENT);
-        }
-
-        if (c->write->active || c->write->disabled) {
-            ngx_del_event(c->write, NGX_WRITE_EVENT, NGX_CLOSE_EVENT);
-        }
-    }
-
-    /*
-     * we have to clean the connection information before the closing
-     * because another thread may reopen the same file descriptor
-     * before we clean the connection
-     */
-
-#if (NGX_THREADS)
-
-    if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_OK) {
-
-        if (c->read->prev) {
-            ngx_delete_posted_event(c->read);
-        }
-
-        if (c->write->prev) {
-            ngx_delete_posted_event(c->write);
-        }
-
-        c->read->closed = 1;
-        c->write->closed = 1;
-
-        if (c->single_connection) {
-            ngx_unlock(&c->lock);
-            c->read->locked = 0;
-            c->write->locked = 0;
-        }
-
-        ngx_mutex_unlock(ngx_posted_events_mutex);
-    }
-
-#else
-
-    if (c->read->prev) {
-        ngx_delete_posted_event(c->read);
-    }
-
-    if (c->write->prev) {
-        ngx_delete_posted_event(c->write);
-    }
-
-    c->read->closed = 1;
-    c->write->closed = 1;
-
-#endif
-
-    fd = c->fd;
-    c->fd = (ngx_socket_t) -1;
-    c->data = NULL;
-
-    ngx_destroy_pool(c->pool);
-
-    if (ngx_close_socket(fd) == -1) {
-
-        /* we use ngx_cycle->log because c->log was in c->pool */
-
-        ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno,
-                      ngx_close_socket_n " failed");
-    }
-
-    return;
+    ngx_close_connection(c);
 }