Re: [Boost-users] weak_ptr and thread safety

Subject: Re: [Boost-users] weak_ptr and thread safety
From: Pavel Shevaev (pacha.shevaev_at_[hidden])
Date: 2009-07-22 15:38:15

> It's safe, presuming your "p" in thread A is a different shared_ptr object
> from the "p" reset in thread B.  They can safely be copies sharing ownership
> of the same object.

Oh, sorry for the confusing example, it should be more clear:

//thread A:
shared_ptr<Foo> a = wp.lock(); //wp is a weak pointer for p from thread B

//thread B:
p.reset();

What I'm actually asking about whether it's thread safe to call
simultaneously wp.lock() in one thread and p.reset() in another one.

-- 
Best regards, Pavel