+ FD_ZERO(&rfds);
+ FD_SET(fd, &rfds);
+ FD_ZERO(&efds);
+ FD_SET(1, &efds);
+
+ int s = select(fd+1, &rfds, NULL, &efds, NULL);
+ if(s < 0) {
+ perror("select()");
+ return s;
+ }
+ if(FD_ISSET(1, &efds)) return 0;
+ if(!FD_ISSET(fd, &rfds)) continue;
+