Re: thread::ref prototype

From: williamkempf_at_[hidden]
Date: 2001-09-07 08:09:32

--- In boost_at_y..., "Peter Dimov" <pdimov_at_m...> wrote:
> http://groups.yahoo.com/group/boost/files/thread_ref/
> 
> contains a thread::ref prototype design and win32-based 
implementation.
> Works with bcc32 5.5.1:
> 
> bcc32 -tWM thread_test.cpp thread_win32.cpp
> 
> and MSVC 7:
> 
> cl -GX -MT thread_test.cpp thread_win32.cpp
> 
> VC6 users should replace std::for_each/mem_fn with for loops.
> 
> Acknowledgements: This work could not have been possible without 
all the
> effort spent by Bill Kempf on Boost.Threads. Although the current 
prototype
> doesn't use Boost.Threads, earlier iterations did.
> 
> Here's the relevant portion of thread_test.cpp:
> 
> mutex m;
> 
> void printing_thread(int n)
> {
>   for(;;)
>   {
>     thread::test_cancel();
>     mutex::scoped_lock lock(m);
>     std::cout << n;
>   }
> }
> 
> void canceling_thread(std::vector<thread::ref> v)
> {
>   std::for_each(v.begin(), v.end(), boost::mem_fn
(&thread::ref::cancel));
> }
> 
> int main()
> {
>   std::vector<thread::ref> v;
> 
>   for(int i = 0; i < 8; ++i)
>   {
>     v.push_back(thread::create(boost::bind(printing_thread, i)));
>   }
> 
>   thread::create(boost::bind(canceling_thread, v)).join();
> 
>   std::for_each(v.begin(), v.end(), boost::mem_fn
(&thread::ref::join));
> 
>   std::cout << '\n';
> 
>   return 0;
> }

I'll have a gander after the review is over and I've made the 
appropriate corrections (if excepted).

Bill Kempf