linger           2930 http/ngx_http_request.c     struct linger              linger;
linger           2976 http/ngx_http_request.c             linger.l_onoff = 1;
linger           2977 http/ngx_http_request.c             linger.l_linger = 0;
linger           2980 http/ngx_http_request.c                            (const void *) &linger, sizeof(struct linger)) == -1)