Re: [Boost-users] [chrono][thread] Best way to wait?

Subject: Re: [Boost-users] [chrono][thread] Best way to wait?
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2013-03-29 11:58:32

AMDG

On 03/29/2013 08:45 AM, Klaim - Joël Lamotte wrote:
> On Fri, Mar 29, 2013 at 4:37 PM, Steven Watanabe <watanabesj_at_[hidden]>wrote:
> 
>> A thread waiting on a condition variable (a) can
>> be explicitly notified and (b) may wake up before
>> the time has expired (spurious wakeups).  If you
>> just want to sleep for a fixed amount of time, then
>> sleep_for is the right tool.
>>
> 
> My understanding is that sleep_for can wait more than the time wanted,
> right?

You can always wait longer than you ask for.
A thread can wait even if you don't ask to wait.
It's entirely dependent on the kernel's scheduling
algorithm.

> So basically a condition_variable can wait less, while sleep_for can wait a
> bit more?
> 

In Christ,
Steven Watanabe