ngx_http_upstream_keepalive_dummy_handler   62 src/http/modules/ngx_http_upstream_keepalive_module.c static void ngx_http_upstream_keepalive_dummy_handler(ngx_event_t *ev);
ngx_http_upstream_keepalive_dummy_handler  337 src/http/modules/ngx_http_upstream_keepalive_module.c     c->write->handler = ngx_http_upstream_keepalive_dummy_handler;