extern void exit_files(struct task_struct *);
extern void __cleanup_signal(struct signal_struct *);
+extern void cleanup_sighand(struct task_struct *);
extern void __exit_signal(struct task_struct *);
-extern void __exit_sighand(struct task_struct *);
extern void exit_itimers(struct signal_struct *);
extern NORET_TYPE void do_group_exit(int);