[c++-pthreads] What are the real issues?

[Alexander Terekhov]

Nathan Myers wrote:
[...]
> We have better prospects in C++, if we can, as it were, hitch the
> cancellation-safety wagon to the exception-safety horse.  Well-written
> exception handling code (i.e. implemented mainly in destructors) is
> much less subject to rot, being exercised on each block exit.  Many
> more people know how to write exception-safe C++ code than C
> cancellation-safe code.  (I'm not sure I would be able to write the
> latter, maintainably.  C simply lacks the tools for it.)

P in "pthreads" stands for POSIX, not C, I guess.

#define pthread_cleanup_push(routine, arg) \
     { \
       ScopeGuard _guard = MakeObjGuard(arg, routine);

#define pthread_cleanup_pop(execute) \
       if (!execute) _guard.Dismiss(); \
     }

http://www.cuj.com/documents/s=8000/cujcexp1812alexandr
(Simplify Your Exception-Safe Code)

regards,
alexander.