Re: [Boost-users] Regex lib and thread safety

From: Leon Mergen (leon_at_[hidden])
Date: 2005-01-27 06:16:18

On Thu, Jan 27, 2005 at 10:53:31AM -0000, John Maddock wrote:
> Regex is thread safe in following sense: given a const regex object, you 
> can safely share that object between multiple threads.
> 
> However, your backtrace indicates that the problem occurs during regex 
> construction: this is a situation *you* have to deal with (no matter what 
> the data type), the thread safety guarantees only kick in once the object 
> has been constructed, it's up to you to ensure that no race condition 
> occurs during the construction.  Your second link above indicates a couple 
> of methods you could use to achieve this.

Hello John,

You indeed are correct, and I also came to the conclusion this is
something serious I didn't take into account at all; it is not at all
boost-related and I apologise for posting these off-topic questions at 
this mailinglist. 

Thanks for your replies,

Leon Mergen