BUG_ON(!child->ptrace);
child->ptrace = 0;
- if (!list_empty(&child->ptrace_list)) {
+ if (ptrace_reparented(child)) {
list_del_init(&child->ptrace_list);
remove_parent(child);
child->parent = child->real_parent;
audit_ptrace(task);
retval = -EPERM;
- if (task->pid <= 1)
- goto out;
if (same_thread_group(task, current))
goto out;
__ptrace_link(task, current);
- force_sig_specific(SIGSTOP, task);
-
+ send_sig_info(SIGSTOP, SEND_SIG_FORCED, task);
bad:
write_unlock_irqrestore(&tasklist_lock, flags);
task_unlock(task);
{
struct task_struct *child;
- /*
- * Tracing init is not allowed.
- */
- if (pid == 1)
- return ERR_PTR(-EPERM);
-
read_lock(&tasklist_lock);
child = find_task_by_vpid(pid);
if (child)
#define arch_ptrace_attach(child) do { } while (0)
#endif
-#ifndef __ARCH_SYS_PTRACE
asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
{
struct task_struct *child;
unlock_kernel();
return ret;
}
-#endif /* __ARCH_SYS_PTRACE */
int generic_ptrace_peekdata(struct task_struct *tsk, long addr, long data)
{