Re: Any common bug-inducting mistake going from 5.0 to 5.1alpha?

[David Burgess <dburgess@...>]

I think you will need to isolate the problem a little more for the list
to help you.

Try compiling your DLL with debug options (assuming you are using
MS VC), the call stack at exception time will be most helpful.

DB

On 9/20/05, Marco Pontello <marcopon@gmail.com> wrote:
> I'm loosing some hairs with a problem with my DogLua plugin:
> http://mark0.net/plugins-doglua-e.html
> 
> All worked well while I was using a Lua 5.0 Win32 DLL.
> It's coded in PowerBASIC (witch as no problem interfacing with C, for
> example), and I'm using a set of Lua include files and some
> wrappers/helpers that I made and used in many other projects.
> 
> Then I read about the Lua 5.1 based LuaJIT, and so I modified a bit
> the code to use that.
> I have to say that the problems I'm seeing don't depend on LuaJIT,
> because I get the same errors with the plain Lua 5.1.
> 
> What I basically do is:
> - Create a New Lua State (with luaL_NewState(), standard memory allocator)
> - Register some functions
> - Run some Lua script with a LoadString + PCall
> - Close the Lua State
> 
> One run goes well. The second also.
> Then the app crash when the Lua_Close is called, with an access
> violation writing to memory that doesn't belong to that process; or it
> stall on the Lua_Close (app doesn't respond for some seconds, like if
> it was garbage collecting), and then crash on the subsequent
> luaL_NewState().
> 
> I have to say that, while I'm able to create the binary DLL starting
> from the source package, or some trivial things, I'm no expert (by any
> means) in C.
> 
> I'm almost sure that I'm doing something really stupid :), but I'm a
> bit at loss at finding exactly what. So if anyone have gone trough
> similar problems when going from 5.0 to 5.1 have some advise / insight
> about what to check, I'm all ears.
> 
> Thanks,
> Bye!
> --
> Online TrID File Identifier
> http://mark0.net/onlinetrid/trid.aspx
>