use_accept4 30 event/ngx_event_accept.c static ngx_uint_t use_accept4 = 1; use_accept4 53 event/ngx_event_accept.c if (use_accept4) { use_accept4 76 event/ngx_event_accept.c use_accept4 ? "accept4() failed" : "accept() failed"); use_accept4 78 event/ngx_event_accept.c if (use_accept4 && err == NGX_ENOSYS) { use_accept4 79 event/ngx_event_accept.c use_accept4 = 0;