boost.threads [was RE: [boost] Re: sockets /network programming Requirements]

From: williamkempf_at_[hidden]
Date: 2001-08-03 16:43:05

--- In boost_at_y..., "Scott McCaskill" <scott_at_m...> wrote:
> I believe that pthreads-win32 tried something like this (using 
exceptions to
> implement thread cancellation), and as a result they have this in 
pthread.h:
> 
> #pragma message("When compiling applications with MSVC++ and C++ 
exception
> handling:")
> #pragma message("  Replace any 'catch( ... )' with 'PtW32CatchAll' 
in POSIX
> threads")
> #pragma message("  if you want POSIX thread cancelation and 
pthread_exit to
> work.")
> 
> #define PtW32CatchAll \
>         catch( ptw32_exception & ) { throw; } \
>         catch( ... )
> 
> This means that if you want cancellation to work reliably, your 
thread can't
> execute any code that you don't have the source for unless you can 
somehow
> be sure that it never uses catch(...).  For a general purpose 
library, this
> is at best very kludgy.

Amen.  And that ignoring the bigger issues.

Bill Kempf