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I think you missed the "non busy" part.

There's no built in sleep but it should be trivial to make a binding for it. I've also seen people use select() from luasocket for this purpose.

Sent from my Verizon Wireless BlackBerry

From: Gabriel Duarte <>
Sender: <>
Date: Wed, 13 Oct 2010 14:26:26 -0300
To: Lua mailing list<>
ReplyTo: Lua mailing list <>
Subject: Re: Sleep

Try out

function sleep(length)
    local start = os.clock()
    while os.clock() - start < length do end

On Wed, Oct 13, 2010 at 2:20 PM, Henning Diedrich <> wrote:
Hi list,

is there a sleep function that is
- non-busy
- allows for ctrl-C
- doesn't get stuck
- does not require a C extension

I tried busy, system call and sockets from for the above reasons they don't work for me.

Is there a rock offering a simple C-programmed sleep?

It's for a very simple game world tick with the focus on demonstrating (other) principles, and ease of getting to run oneself.


Gabriel Duarte
Linux User #471185
Rio de Janeiro - RJ

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