--- procps-3.2.5/top.c

+++ procps-3.2.5/top.c

@@ -3285,7 +3285,7 @@

          if (rc <= 0) {

             // EOF is pretty much a "can't happen" except for a kernel bug.

             // We should quickly die via SIGHUP, and thus not spin here.

-            // if (rc == 0) end_pgm(0); /* EOF from terminal */

+            if (rc == 0) end_pgm(0); /* EOF from terminal */

             fcntl(STDIN_FILENO, F_SETFL, file_flags);

             select(1, &fs, NULL, NULL, &tv);

             fcntl(STDIN_FILENO, F_SETFL, O_NONBLOCK|file_flags);