NGX_HTTP_LINGERING_ALWAYS  118 src/http/ngx_http_core_module.c     { ngx_string("always"), NGX_HTTP_LINGERING_ALWAYS },
NGX_HTTP_LINGERING_ALWAYS 2542 src/http/ngx_http_request.c     if (clcf->lingering_close == NGX_HTTP_LINGERING_ALWAYS