On Sat, 30 Aug 2008 16:57:08 +0800
ZelluX <[EMAIL PROTECTED]> wrote:

> I'm wondering what will happen if a program recurively calls exec(), for
> example, a script calls itself repeatitively. Will it cause kernel stack
> overflow?

Exec replaces the current process with a new executable, which starts
from scratch.

The important bit here is "from scratch".  Everything in the process
is wiped out, which means there is no recursion.

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