Re: [Boost-users] [test framework] tread safe?

From: Ovanes Markarian (om_boost_at_[hidden])
Date: 2008-01-10 16:45:06

On Jan 10, 2008 8:48 PM, Gennadiy Rozental <rogeeff_at_[hidden]> wrote:

> Ovanes Markarian <om_boost <at> keywallet.com> writes:
> > struct thread_safety_test
> > {
> >     static void thread_function(boost::barrier& b)
> >     {
> >         b.wait();
>
> Can't comment in these. I never used this class.
>
> |         boost::mutex::scoped_lock lock(m);
> |         BOOST_CHECK_EQUAL(1,0);
> |     }
> |
> |     void test_multiple_assertion_faults()
> |     {
> |         boost::thread_group tg;
> |         boost::barrier b(100);
> |
> |         for(size_t i=0; i<100; ++i)
> |         {
> |             tg.create_thread(boost::bind(thread_function, ref(b)));
> |         }
> |     }
> | };
> | But unfortunately this does not work. May be I miss smth. here.
>
> >I am not an expert in MT, but what exactly is the problem?
> >
> >Do you run is from inside the test case?
>
>
> Yes. The class specified is passed to the BOOST_CLASS_TEST_CASE(
> multiple_assertion_faults, thread_safety_test)
>
> The idea of my code is:
> Create 100 threads and wait until all of them are created. (barrier is
> used for that).
>
> After all threads were created lock the mutex and produce the assertion
> fault. In MSVC 7.1 this code crashes after the second call to
> BOOST_CHECK_EQUAL.
>
>
> I thought you would be aware of this issue.
>
>
> Many thanks for your help!
> Ovanes
>
>
>