Purpose of O_EXEC?

From: Ivan Voras <ivoras@xxxxxxxxxxx>
Date: Mon, 31 Mar 2008 18:01:48 +0200

Hi,
What is the purpose of O_EXEC ("open file for execution") flag to
open(2)? Just a hint to the VM system on how to cache the file pages or
is there something else that makes it different from O_RDONLY?

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