-/* xscreensaver, Copyright (c) 1993-2002 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 1993-2003 Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
======================================================================= */
extern void handle_signals (saver_info *si);
-extern void block_sigchld (void);
+#ifdef HAVE_SIGACTION
+ extern sigset_t block_sigchld (void);
+#else /* !HAVE_SIGACTION */
+ extern int block_sigchld (void);
+#endif /* !HAVE_SIGACTION */
extern void unblock_sigchld (void);
extern void hack_environment (saver_info *si);
extern void hack_subproc_environment (saver_screen_info *ssi);