49 extern long arch_ptrace(struct task_struct *child, long request,
54 extern int ptrace_request(struct task_struct *child, long request,
57 extern void __ptrace_link(struct task_struct *child,
60 extern void __ptrace_unlink(struct task_struct *child);
90 static inline int ptrace_reparented(struct task_struct *child)  in ptrace_reparented()  argument
92 	return !same_thread_group(child->real_parent, child->parent);  in ptrace_reparented()
95 static inline void ptrace_unlink(struct task_struct *child)  in ptrace_unlink()  argument
97 	if (unlikely(child->ptrace))  in ptrace_unlink()
98 		__ptrace_unlink(child);  in ptrace_unlink()
200 static inline void ptrace_init_task(struct task_struct *child, bool ptrace)  in ptrace_init_task()  argument
202 	INIT_LIST_HEAD(&child->ptrace_entry);  in ptrace_init_task()
203 	INIT_LIST_HEAD(&child->ptraced);  in ptrace_init_task()
204 	child->jobctl = 0;  in ptrace_init_task()
205 	child->ptrace = 0;  in ptrace_init_task()
206 	child->parent = child->real_parent;  in ptrace_init_task()
209 		child->ptrace = current->ptrace;  in ptrace_init_task()
210 		__ptrace_link(child, current->parent, current->ptracer_cred);  in ptrace_init_task()
212 		if (child->ptrace & PT_SEIZED)  in ptrace_init_task()
213 			task_set_jobctl_pending(child, JOBCTL_TRAP_STOP);  in ptrace_init_task()
215 			sigaddset(&child->pending.signal, SIGSTOP);  in ptrace_init_task()
218 		child->ptracer_cred = NULL;  in ptrace_init_task()