ngx_http_upstream_cache_send 15 http/ngx_http_upstream.c static ngx_int_t ngx_http_upstream_cache_send(ngx_http_request_t *r, ngx_http_upstream_cache_send 715 http/ngx_http_upstream.c rc = ngx_http_upstream_cache_send(r, u); ngx_http_upstream_cache_send 1669 http/ngx_http_upstream.c rc = ngx_http_upstream_cache_send(r, u); ngx_http_upstream_cache_send 2863 http/ngx_http_upstream.c rc = ngx_http_upstream_cache_send(r, u);