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Date: Wed, 18 Apr 2012 14:36:00 -0000
From: Pedro Alves <palves@redhat.com>
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To: Doug Evans <dje@google.com>
CC: Joel Brobecker <brobecker@adacore.com>,        gdb-patches <gdb-patches@sourceware.org>
Subject: Re: [RFA] Ensure result of make_cleanup is never NULL.
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On 04/18/2012 03:31 PM, Doug Evans wrote:

> On Wed, Apr 18, 2012 at 7:23 AM, Pedro Alves <palves@redhat.com> wrote:
>> On 04/18/2012 03:02 PM, Doug Evans wrote:
>>
>>> On Wed, Apr 18, 2012 at 2:26 AM, Pedro Alves <palves@redhat.com> wrote:
>>>> On 04/18/2012 01:43 AM, Doug Evans wrote:
>>>>
>>>>> btw, I thought about making cleanup_sentinel const here, for a bit of
>>>>> extra robustness.
>>>>
>>>>
>>>> Won't that mean you'd need to cast the constness out in most, if
>>>> not all places that use it?
>>
>>
>> Well, aren't all places using the sentinel, using it throught the macro?
>> What does this make more robust?
> 
> 
> Any attempts to modify the sentinel will segv.


Ah.  Nothing like explaining things clearly.  Good idea then.  :-)

-- 
Pedro Alves