Re: Garbage Collection

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Subject: Re: Garbage Collection
From: "Denis Lamarche" <brainwav@...>
Date: 2001年8月27日 06:13:07 +0000

What if I did this:
[LUA CODE]
red_door=32

and then run millions of things for about 24 hours. If I dont touch the'red_door' var, will it be gc'ed after that long period of time?

From: Edgar Toernig <froese@gmx.de>
Reply-To: lua-l@tecgraf.puc-rio.br
To: Multiple recipients of list <lua-l@tecgraf.puc-rio.br>
Subject: Re: Garbage Collection
Date: 2001年8月27日 04:26:12 +0200
Denis Lamarche wrote:
>
> Does Lua garbage collect its own variable or those on the stack or both?

> If I set the gc tag of a lua variable to nil, will it still be collectedbe

> the gc?

Hmm... you can't set tags on variables. Only on tables and userdataobjects.

So I guess you mean that. Yes, they will be collected. The gc tag allows
you to set callback functions for userdata objects. It's just a function
that gets called just before the object is freed. And the object will be
freed when it's no longer used, whether you set a gc-function or not ;-)
Ciao, ET.

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