Re: [boost] [thread] Expected behaviour of condition variable wait when the mutex is not locked

From: Anthony Williams (anthony_w.geo_at_[hidden])
Date: 2008-05-08 10:19:31

Frank Mori Hess <frank.hess_at_[hidden]> writes:

> On Thursday 08 May 2008 04:51 am, Anthony Williams wrote:
>> To this end, unique_lock is default-constructible and movable, and supports
>> lock and unlock operations.
>
> Since when is unique_lock default-constructible?  You just mean it has a 
> defer_lock_t constructor, right?

Yes, that's what I meant: you can construct it without locking a mutex. I got
confused by Johan's statement.

Actually, thinking about it, there's no reason not to give it a default
constructor: you'd just not be able to do anything with it until you
move-assigned a unique_lock with a mutex into it.

Anthony
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