Re: [Boost-users] Compare boost::system::error_category

Subject: Re: [Boost-users] Compare boost::system::error_category
From: james (dirtydroog_at_[hidden])
Date: 2017-03-25 12:44:59

I have run into boost issues even when dynamically linking everything.

http://stackoverflow.com/questions/39948997/use-of-boost-log-and-boost-asio-causes-a-crash/39958285#39958285

It's actually quite concerning.

James

On Saturday, March 25, 2017, Richard Damon via Boost-users <
boost-users_at_[hidden]> wrote:

> On 3/25/17 7:12 AM, Bjorn Reese via Boost-users wrote:
>
>> On 03/25/2017 12:32 AM, Niall Douglas via Boost-users wrote:
>>
>> Boost's quality of implementation is the same as libstdc++ or libc++,
>>> you can get multiple instantiations in certain circumstances and those
>>> can have differing addresses.
>>>
>>
>> The various error categories are implemented (for header-only libraries)
>> as inlined Meyer singletons. Does that mean that we have a general
>> problem with such singletons?
>>
>> I think the issue is that for C++ versions prior to C++11, it isn't
> guaranteed to be thread safe, as C++ had no concept of threads (which sort
> of makes anything you do with threads problematical). With C++11, if fully
> implemented, it should be thread safe as the standard now requires the
> compiler to implement the required thread safety, the issue is that there
> may be implementation that don't fully provide that as it can be a bit
> expensive in some cases.
>
>
> --
> Richard Damon
>
> _______________________________________________
> Boost-users mailing list
> Boost-users_at_[hidden]
> http://lists.boost.org/mailman/listinfo.cgi/boost-users
>