Re: [RFC] Proposal for ptrace improvements

[Denys Vlasenko]

On Wed, Mar 2, 2011 at 8:28 AM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> Hello,
>
> On Tue, Mar 01, 2011 at 11:14:14PM +0100, Denys Vlasenko wrote:
>> There may be reasons to have PTRACE_SEIZE operation split like that.
>> For one, this allows debugger to do PTRACE_CONT, and later issue
>> PTRACE_INTERRUPT to stop the tracee again. PTRACE_INTERRUPT stop may
>> be better for some scenarios where debugger wants to make the stop
>> invisible to the parent, or when debugger wants to stop just one
>> thread of the process.
>
> PTRACE_SEIZE can be used like PTRACE_INTERRUPT.  It works whether the
> tracee is attached or not.

Makes sense.

-- 
vda
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