pthread_cancel and EH: let's try this again

[Alexander Terekhov]

Jason Merrill wrote:
[...]
> while (true)
>  try
>   {
>    body();
>   }
>  catch (...)
>   {
>    recover();
>   }
> 
> Under the old non-EH implementation this thread cancelled properly.  

You mean with omitted recovery? That's hardly "properly".

Cancel-unaware code is not meant to be canceled. 

It's as simply as that.

 while (true)
  try
   {
    body();
   }
  catch (...)
   {
    recover();
    handle_thread_termination_request(); /* http://tinyurl.com/8q3qt */
   }

regards,
alexander.