max time threads

[pacopyc]

On 19 Giu, 00:27, MRAB <pyt... at mrabarnett.plus.com> wrote:
> pacopyc wrote:
>
> [snip]
> > Ok, the problem is that I want fix a time max for each thread. For
> > example run 10 threads (each can terminate its work in 10 sec. max
> > fixed time) and wait them. If they finish its work in < 10 sec. (for
> > example 2 sec.) very good ... go on immediately (don't wait
> > unnecessary time), but if a thread use more than 10 sec. stop wait (I
> > kill it) .... when all threads have finished their work or when they
> > have used all their available time (10 sec.) the program must go on
> > (don't wait).
>
> It's not possible to kill a thread. If you want a thread to have a
> maximum time, the thread must check occasionally how long it has been
> running and terminate if necessary.
>
> Another programming language (Java) originally had the ability to kill
> threads, but that was later deprecated because it caused problems due to
> not knowing what the thread was doing when it was killed (it might have
> been in the middle of updating something at the time, for example,
> leaving the system in an inconsistent state).

Ok, I understand. But is possible fix max wait time (for example 60
sec.) in main thread and check queue for task done and at the same
time the remaining time. When all task have done or wait time has
expired main thread go on. Is it possible? Can you write code?
Thank you very much.