boost shared_ptr - thread safe and non thread safe editions

From: René Dalby Carlsen (yg-boost-users_at_[hidden])
Date: 2002-07-23 13:43:41

Hi.

Is there any easy way to get a thread safe edition of the shared_ptr
(BOOST_HAS_THREADS) and a "non" thread safe edition (BOOST_DISABLE_THREADS)
inside the same project?

The thread safe edition of the shared_ptr is a bit slower and I would like
to able to use the non thread safe shared_ptr, when I known it only be used
on the same thread.

As a solution I thought I could do something like this, so I would not have
to edit/copy any boost .hpp file :

//
// MyApp.cpp
//

#define BOOST_HAS_THREADS
#include "boost/smart_ptr.hpp"

namespace boost_nothread
{
    #define BOOST_DISABLE_THREADS
    #include "boost/smart_ptr.hpp"
}

void f()
{
    boost::shared_ptr <int> spIntTS;           // thread safe smart pointer

    boost_nothread::shared_ptr <int> spInt;    // non thread safe smart
pointer
}

////////

The above sample does not work - what should I do instead?

Regards,
René