Re: Feature request: exec self for NOMMU.

[Ray Lee]

On 12/26/06, Rob Landley <rob@xxxxxxxxxxx> wrote:
> I'm trying to make some nommu-friendly busybox-like tools, which means using
> vfork() instead of fork().  This means that after I fork I have to exec in
> the child to unblock the parent, and if I want to exec my current executable
> I have to find out where it lives so I can feed the path to exec().  This is
> nontrivial.
>
> Worse, it's not always possible.  If chroot() has happened since the program
> started, there may not _be_ a path to my current executable available from
> this process's current or root directories.

How about openning an fd to yourself at the beginning of execution, then calling
fexecve later?
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