Re: Very confused by Ada tasking, can not explain the execution outcome.

["Jeffrey R. Carter" <spam.jrcarter.not@spam.acm.org>]

climber.cui@gmail.com wrote:
>   - the last sentence of the task body, which is a put_line statement
> is never executed, but the task terminates.
>  - also, the per task counter 'rounds', was never incremented, it
> stays the same as the initial value. The only procedure increment
> 'rounds' is procedure 'use_res', but the procedure was never called
> during the execution.  If you notice the entry condition for the while
> loop, 'while rounds<2 loop', how could it get out of the loop if
> 'rounds' was never incremented??  why the program still terminates??

If an exception occurs in your task, the task will terminate silently. This is a 
way your task and program could terminate although it never increments Rounds 
nor executes its final statement.

-- 
Jeff Carter
"If I could find a sheriff who so offends the citizens of Rock
Ridge that his very appearance would drive them out of town ...
but where would I find such a man? Why am I asking you?"
Blazing Saddles
37