[erlang-questions] what does l/1 really do?
Fri Jul 29 17:02:50 CEST 2011
l/1 do eaxctly
On Fri, Jul 29, 2011 at 4:27 PM, Daniel Dormont
> While reading through some old discussion here or on TrapExit when I was
> first trying to understand hot code loading, I ran across the shell command
> l/1. Since then I've used it to good effect in patching a live system
> (Ejabberd, specifically) with new or upgraded modules. But I'd like to
> understand a little better what it's doing behind the scenes. I didn't see
> any mention of it in the manual, and it's a little hard to Google for single
> letters :), so I thought I'd ask here.
> I also have a more specific question. I have a whole bunch of gen_fsm
> processes that I *believe* have a common supervisor but I won't swear to it.
> If I want to upgrade the module, is there a way to institute the code change
> right away across all those processes?
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