Re: [PATCH] ptrace on stopped processes (2.4)

From: OGAWA Hirofumi (hirofumi@mail.parknet.co.jp)
Date: Fri Dec 21 2001 - 22:56:01 EST

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> --- linux-2.4.16/kernel/ptrace.c Wed Nov 21 16:43:01 2001
> +++ linux-2.4.16.1/kernel/ptrace.c Fri Dec 21 10:42:44 2001
> @@ -89,8 +89,10 @@
> SET_LINKS(task);
> }
> write_unlock_irq(&tasklist_lock);
> -
> - send_sig(SIGSTOP, task, 1);
> + if (task->state != TASK_STOPPED)
> + send_sig(SIGSTOP, task, 1);
> + else
> + task->exit_code = SIGSTOP;
> return 0;
>
> bad:

It seems that trace is started in the place different from
usual. Then, I think PTRACE_KILL doesn't work.

If it need, I think it should wake up a task.

-- 
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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