From: Robert Klemme <shortcutter@...>
Date: 2010-02-15T23:31:42+09:00
Subject: Re: Mutex

2010/2/15 Mido Peace <mido.peace@gmail.com>:
> Hi,
> I have a trouble using the ConditionVariable and Mutex Class ,
> Actualy , I'm tryin' to make a Semaphore to manage Threads
> a simple semaphore with its 2 famous methods looks like :
>
> def acquire()
>
>    raise "Interrupted Thread " if (!Thread.current.alive?)
>    @mutex.synchronize {
>     while @permits < 1
>       @cv.wait(@mutex)
>     end
>    @permits = @permits - 1
>    }
> end
>
>
> def release()
>    @mutex.synchronize{
>
>      @permits += 1
>      @cv.signal
>
>      }
>
> end
>
>
> But When I call The acquire Method later
>
> I get : `wait': stopping only thread (ThreadError)
>
> SomeOne has an idea ??

Not without the full code.  What you showed looks OK.

Kind regards

robert

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