- * We have to install a SIGCHLD handler before the afs process is being
- * forked off. Otherwise, para_server does not notice if afs dies before
- * the SIGCHLD handler has been installed by init_signal_task() below.
+ * We have to block SIGCHLD before the afs process is being forked off.
+ * Otherwise, para_server does not notice if afs dies before the
+ * SIGCHLD handler has been installed for the parent process by
+ * init_signal_task() below.