{
pid_t pid;
+ /* optimize default case */
+ if (mask == 0)
+ return;
+
signal(SIGCHLD, SIG_DFL);
#ifdef NDEBUG
WRITE_MSG(2, "No operation was specified; try '--help' for more information\n");
else if (sum>1)
WRITE_MSG(2, "Can not specify multiple operations; try '--help' for more information\n");
- else if (mask==0)
- WRITE_MSG(2, "Must specify at least one space; try '--help' for more information\n");
else if (optind==argc && (do_new || do_enter))
WRITE_MSG(2, "No command specified; try '--help' for more information\n");
else {