Re: [boost] Re: first sight

From: Mac Murrett (mmurrett_at_[hidden])
Date: 2002-01-14 11:50:33

On 1/14/02 11:19 AM, "bill_kempf" <williamkempf_at_[hidden]> wrote:

> --- In boost_at_y..., Mac Murrett <mmurrett_at_v...> wrote:
[snip]
>> As an aside, I am in favor of Bill's approach, if we implement
> cancellation
>> at all.  I would suggest making the exception a private member type
> of
>> thread, so that it can only be caught by thread::thread_proxy.
> 
> That won't work.
> 
> try {
>  boost::mutex::scoped_lock lock(mutex);
> }
> catch (...) {
> // I've caught the exception even though it's a private
> // exception type
> }

I worded that poorly.  The point is to document in code that these
exceptions are not meant to be caught.

> The best that Boost.Threads can do is insure that even if you catch
> the exception you can't "eat" it.  This may still cause problems with
> some legacy code, but this isn't a good argument against such a
> cancellation mechanism, IMHO.

Out of curiosity, how can we do this?

> Bill Kempf

Mac Murrett.