Re: initialize a mutex into locked state?

From: Peter Zijlstra
Date: Fri Jun 17 2016 - 04:26:14 EST


On Wed, Jun 15, 2016 at 02:23:35PM -0400, Oleg Drokin wrote:
> Hello!
>
> To my surprise I found out that it's not possible to initialise a mutex into
> a locked state.
> I discussed it with Arjan and apparently there's no fundamental reason
> not to allow this.

There is. A mutex _must_ have an owner. If you can initialize it in
locked state, you could do so statically, ie. outside of the context of
a task.