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- Subject: Threads HOWTO?
- From: Johann Hibschman <jhibschman@...>
- Date: Wed, 21 Jul 2004 18:39:44 -0400
Is there any reference on how to use Lua in a heavily-threaded
application, with some usage of shared state? I'd expect the game
folks do this all the time, but I couldn't find any good examples.
The best I've been able to come up with is the following: Keep the
main lua_State object as a singleton, guarded by a mutex. When the
mutex is acquired, call lua_newthread to get a new co-routine-like
thread, store the new thread in a global table so it doesn't get GC'd,
release the mutex on the global thread, then run some code on the new
When the new thread is done, re-acquire the global mutex and remove it
from the don't-GC-me table.
Would this work? This doesn't say anything about ITC, but I can worry
about that later.
I'm a little worried that the GC would interfere with things, if the
"run a thread" code were called while the main thread were GCing.
Any hints or pointers?