Subj : Re: Can C++ local static objects be made thread safe?
To   : comp.programming.threads
From : David Schwartz
Date : Fri Feb 11 2005 04:51 pm


"Bruce Visscher" <bvisscher@bellsouth.net> wrote in message 
news:1108159321.832036.245890@z14g2000cwz.googlegroups.com...
>>    It *might*. But don't you want to write code that guaranteed to
>> work because it complies with the relevant standards
>
> Absolutely.
>
>> rather than code that just
>> happens to work because you fixed all the problems that were biting
>> you but left the ones that didn't happen to bite you that day, on
>> that compiler, on that platfor, with that data set?
>
> No, I want to avoid that.

> Before "resorting" to pthread_key_create / pthread_getspecific /
> pthread_setspecific / pthread_key_delete I could also maybe try to use
> atomic exchange for those platforms that have that.  But this is
> starting to look a little cumbersome.
>
>> and your code will not be portable.
>
> That's what I am trying to avoid.

    Why not use the pthread_once stuff? Or a statically initialized mutex?

    DS

.