Re: Bug with unchecked stack overflow with coroutines

[Marco Antonio Abreu <mabreu@...>]

It works for j = 9998, but don't for 9999 ou greater, and doen't matter 
the initial value, like 0, -6 or 1000.

It's a kind of limit with Unpack?

[]'s,

Marco Antonio Abreu
IT Quality Systems
mabreu@itquality.com.br
http://www.itquality.com.br



Patrick Donnelly wrote:
> Lua 5.1.3  Copyright (C) 1994-2008 Lua.org, PUC-Rio
>   
> > j = 1e4
> > co = coroutine.create(function() t = {} for i = 1, j do t[i] = i end return unpack(t) end)
> > print(coroutine.resume(co))
> >     
> Segmentation fault
>
> this appears to only happen in Lua 5.1.3, 5.1.2 correctly catches this:
>
> Lua 5.1.2  Copyright (C) 1994-2007 Lua.org, PUC-Rio
>   
> > j = 1e4
> > co = coroutine.create(function() t = {} for i = 1, j do t[i] = i end return unpack(t) end)
> > print(coroutine.resume(co))
> >     
> false   stdin:1: stack overflow (table too big to unpack)
>
> You may need to play with values for 'j'.
>
>