[boost] Re: Thread Lib and DLL

From: Russell Hind (rhind_at_[hidden])
Date: 2003-03-26 04:00:17

I'd been wondering this, and heard about TLS issues.  The issues are 
only on Windows it appears.  Search for the thread

"Fwd: Thread-Local Storage (TLS) and templates" by Greg Colvin on 18/02/2003

Specifically, the many posts by William Kempf and Edward Diener discuss 
the problems on windows with TLS cleanup.

I do have a question on this issue:  If this problem is only to do with 
TLS cleanup when a thread exits, then if all threads are created when 
the program starts and only destroyed when the program exited, then, in 
practice, could this really be an issue?  I.e. if we only work like 
this, could building thread as a static lib cause problems providing 
that we don't let threads exit in the middle of the program?  We're 
currently really trying to stay clear of any DLLs.

Cheers

Russell

David Brownell wrote:
> I am curious as to why the new version of the Thread library does not
> provide a static library in the 1.30 version of boost.  After reading some
> initial posts, I have seen references to thread local storage, but haven't
> seen anything that documents why this makes a static library impossible.
> All thing considered, I find a static library is much more desirable than a
> dll.
> 
> Thanks!
> David Brownell
> 
> 
> 
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