Is there a way to make LuaInterface work in a multithreaded environment?
I have a multithreaded c# (.Net 4) assembly that uses LuaInterface to process data from a native application. Each thread has its own instance of the Lua interpreter. I use Lua.GetFunction() to retrieve a function from a script and call that function periodically. I pass a Dictionary to the function to process. This works fine with one thread. But when I use two threads it crashes the entire app and I see errors like the following in visual studio:
The thread 'Win32 Thread' (0xa78) has exited with code -1073740791 (0xc0000409).
If I change the script to do something trivial where it does not utilize the Dictionary I pass to it then it also works fine with multiple threads.
Am I going to have to give each interpreter its own process or AppDomain to make this work?
LuaInterface is not thread safe. From what I have read Lua itself appears to support multithreading (see Lua Lanes). However, LuaInterface(v2.0.3.7) still has some issues to work out before it is thread safe. Putting separate instances of the Lua interpreter in their own thread does not overcome these issues.