- struct inferior *parent_inf, *child_inf;
- struct thread_info *tp;
-
- parent_inf = find_inferior_pid (pid);
-
- /* Add the child. */
- child_inf = add_inferior (fpid);
- child_inf->attach_flag = parent_inf->attach_flag;
- copy_terminal_info (child_inf, parent_inf);
- child_inf->pspace = parent_inf->pspace;
- child_inf->aspace = parent_inf->aspace;
-
- /* Before detaching from the parent, remove all breakpoints from
- it. */
- remove_breakpoints ();
-
- if (ptrace (PT_DETACH, pid, (PTRACE_TYPE_ARG3)1, 0) == -1)
- perror_with_name (("ptrace"));
-
- /* Switch inferior_ptid out of the parent's way. */
- inferior_ptid = pid_to_ptid (fpid);
+ struct thread_info *tp = inferior_thread ();
+ pid_t child_pid = ptid_get_pid (tp->pending_follow.value.related_pid);