I'm dealing with a C application that loads a C module, and I'm not quite clear about how the module is loaded:
-The application creates several OS threads
-In each of those threads, a Lua state runs
-Each of those states may require('foo') (foo.so, written in C)
From my testing it looks like:
-luaopen_foo() is called from each Lua state
-only a single instance of foo is actually loaded, so any global/static variables it has are shared between all Lua states that load it (as opposed to: each state gets its own independent copy of foo with its own memory)
Is this correct? Are there situations where it isn't?
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