Re: Reset a Lua thread?

[Patrick Donnelly <batrick@...>]

On Sat, Apr 9, 2011 at 8:06 PM, Robert G. Jakabosky
<bobby@sharedrealm.com> wrote:
> On Saturday 09, Anthony Howe wrote:
>> Is it possible somehow to reset a Lua coroutine thread in the event of a
>> script error or some such, without having to nuke the thread and
>> recreate the thread's state?
>
> I think something like this would work.  (Warning un-tested code).
>
> function resettable_thread(func)
>  return coroutine.create(function()
>    repeat
>      coroutine.yield(pcall(func))
>    until false
>  end
> end
>
> It will always restart the thread with the same function.  You could use a
> more complex wrapper to allow changing the function that the thread runs.

You can't use pcall like that in 5.1 if you want func to be able to yield.

-- 
- Patrick Donnelly