wr 66 http/modules/ngx_http_stub_status_module.c ngx_atomic_int_t ap, hn, ac, rq, rd, wr; wr 108 http/modules/ngx_http_stub_status_module.c wr = *ngx_stat_writing; wr 118 http/modules/ngx_http_stub_status_module.c rd, wr, ac - (rd + wr));