Re: LuaLanes and Snow Leopard OSX 10.6

[Asko Kauppi <askok@...>]

The fink Lua packages (lua51 and lua51-dev) are now up-to-date also in  
"stable".

http://pdb.finkproject.org/pdb/package.php/lua51

This means they are good for multithreading.

-asko


Asko Kauppi kirjoitti 5.10.2009 kello 22:09:

> Your problems should be due to having two separate copies of Lua  
> core in the system.  Try to make sure lua the command line  
> executable is really dynamically linked to the lua shared library  
> that extension modules use.
>
> There may also be other ways to guarantee this singularity of the  
> Lua core. If you have two cores and you do multiple threads, OS X  
> gets confused like you showed.
>
> For users of Lua via the fink distribution, make sure your package  
> is >= 5.1.1-14. That has the necessary changes. Unstable has a  
> recent one but stable still lags behind in 5.1.1-4 or so. Lanes does  
> not work fine with that.
>
> - Asko
>
>
>
> Stefan Marr kirjoitti 5.10.2009 kello 14:03:
>
> > Hi Asko,
> > Hi list:
> >
> > I tried to experiment with LuaLanes, but have some problems on my  
> > Snow Leopard installation.
> >
> > Every time I try to run one of the test I get an malloc error like  
> > this:
> >
> > lanes-2.0.3$ LUA_CPATH=./src/?.so LUA_PATH="src/?.lua;./ 
> > tests/?.lua" lua tests/recursive.lua
> > depth: 0 1 2 3 4 5 6 7 8 9 10 11
> > lua(61739,0x7fff71085be0) malloc: *** error for object 0x1000ad1a0:  
> > pointer being freed was not allocated
> > *** set a breakpoint in malloc_error_break to debug
> >
> >
> > I tried to use luarocks from MacPorts to install lanes, but there  
> > is no rock spec. for the latest version, and for the 2.0 version,  
> > the download is gone, so it just failed installing.
> >
> > Furthermore, I followed the hints in the README to compile Lua  
> > with  LUA_USE_DLOPEN and LUA_USE_POSIX as well as using a dylib for  
> > the core and library code, as described.
> > However, I am still ending up with the error given above.
> >
> > Any thoughts how this could be fixed?
> >
> > Many thanks and best regards
> > Stefan
> >
> > BTW: On an Ubuntu, it works fine...
> >
> >
> >
> >
> > --
> > Stefan Marr
> > Software Languages Lab
> > Former Programming Technology Lab
> > Vrije Universiteit Brussel
> > Pleinlaan 2 / B-1050 Brussels / Belgium
> > http://prog.vub.ac.be/~smarr
> > Phone: +32 2 629 3956
> > Fax:   +32 2 629 3525