Re: [Boost-users] Condition Variable Notify

Subject: Re: [Boost-users] Condition Variable Notify
From: Frank Birbacher (bloodymir.crap_at_[hidden])
Date: 2012-03-22 18:37:46

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Hi!

Am 22.03.12 19:51, schrieb Matt Fair:
> So my questions are: 1. Does anything look off, am I using the
> condition variable and mutex correctly?

What looks odd to me is the bool flag variable: it should be declared
volatile. It might be it is not updated correctly.

> 2. In waitForAck, I have a scope_lock that is locked, when I enter 
> into timed_wait, does this unlock the mutex and the re-locks it
> when m_ackCond.notify_one() is called?

Yes. This is exactly the reason for why you need to pass the lock to
the wait function.

HTH,
Frank
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