Re: [boost] condition_variable and the internal mutex

Subject: Re: [boost] condition_variable and the internal mutex
From: Maxim Yegorushkin (maxim.yegorushkin_at_[hidden])
Date: 2012-09-25 16:02:50

On 25/09/12 18:10, Vicente J. Botet Escriba wrote:
> Le 25/09/12 16:26, Maxim Yegorushkin a écrit :
>> Hi Boost,
>>
>> I was surprised to see an internal mutex added to
>> boost::condition_variable implementation in the recent versions of
>> Boost. Quick internet searched revealed that this was done to better
>> support thread cancellation:
>>
>> http://permalink.gmane.org/gmane.comp.lib.boost.devel/210235
>>
>> That thread ends with a suggestion to add back a zero-overhead
>> pthread_cond_t wrapper and no reply.
>>
>> So I was wondering whether there plans to reinstate that wrapper or
>> should Boost users that are not concerned with thread cancellation but
>> are rather concerned with code performance drop using
>> boost::condition_variable and resort to writing their own wrapper?
>>
> Hi,
>
> I've forgotten this old post. Please could you create a ticket? I would
> try to take care of it, but this will take some time.
>
> I would have the time to see also if I  can implement cancelable threads
> on top of non-cancelable threads, but this has yet less priority.

Thanks for your prompt reply Vincente.

https://svn.boost.org/trac/boost/ticket/7422

-- Maxim