Best way to use dhcpc / avahi without delaying other init scripts ?

[Avery Pennarun]

On Tue, Apr 30, 2013 at 2:52 PM, Harald Becker <ralda at gmx.de> wrote:
> Avery wrote:
>>Maybe you just want to background the whole chunk of logic using an sh
>>block?
>>
>>(
>>   dhcpc -b ...
>>   ...if it failed to get an address from dhcp, do something else...
>>) &
>
> You are right, but using braces instead of parenthesis may avoid an
> extra fork (saves some time/resources).
>
> {
>   ... your logic goes here
> } &

The & sign implies the need for a fork anyway.  As far as I know, all
modern shells are smart enough to avoid double-forking in this case.
:)

Have fun,

Avery