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Re: atomic_t

To: Kernel Newbies <kernelnewbies@xxxxxxxxxxxx>
Subject: Re: atomic_t
From: Michael Cashwell <mboards@xxxxxxxxxxxx>
Date: Thu, 3 Jan 2008 09:28:44 -0500
Cc: John Fredericks <fredericks2300@xxxxxxxxx>
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On Jan 3, 2008, at 8:58 AM, John Fredericks wrote:

I wonder why atomic_t is defined as a structure containing an integer rather than just a simple integer? What are the advantages?

Hope somebody can explain this, please cc me.

I would imagine that it's so fields could be added to the structure in the future without needing to change all the source code that references the initial integer.

-Mike


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