+void linux_nat_set_new_thread (struct target_ops *, void (*) (struct lwp_info *));
+
+
+/* Register a method to call whenever a new fork is attached. */
+typedef void (linux_nat_new_fork_ftype) (struct lwp_info *parent,
+ pid_t child_pid);
+void linux_nat_set_new_fork (struct target_ops *ops,
+ linux_nat_new_fork_ftype *fn);
+
+/* Register a method to call whenever a process is killed or
+ detached. */
+typedef void (linux_nat_forget_process_ftype) (pid_t pid);
+void linux_nat_set_forget_process (struct target_ops *ops,
+ linux_nat_forget_process_ftype *fn);
+
+/* Call the method registered with the function above. PID is the
+ process to forget about. */
+void linux_nat_forget_process (pid_t pid);