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- Subject: C++ and static deallocators in Lua cause crash
- From: "Wesley Smith" <wesley.hoke@...>
- Date: Sun, 30 Dec 2007 02:05:15 -0600
I've just run into a tricky problem with C++ that I'm not quite sure
how to fully diagnose in a Lua module. This is on OSX, which may
matter. Essentially I have a lua module written in C++. In one of my
classes bound as userdata I have a static std::map defined as follows
class A{
map<int, A*> allocated;
};
In ~A(), I remove the ref to the object from the map if it's in there.
Now, when I do a lua_close(L), I get an invalid access crash which I
believe is due to the allocated map being destructed somehow before
the all of the A instances have been finalized. This seemed a bit odd
to me, but I was able to get rid of the crashes by moving allocated to
be a map<int, A*> pointer instead of a full object. Wierd. Has
anyone ever seen this before or have an potential explanation?
thanks,
wes