Re: initialize a mutex into locked state?

Oleg Drokin
2016-06-17T14:14:51Z

On Jun 17, 2016, at 4:25 AM, Peter Zijlstra wrote:

> 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.

What's wrong with disallowing only static initializers, but allowing dynamic ones?
Then there is a clear owner.