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Article #2069

Re: Need help with Mutex

#2069
From: Dennis Jones
Date: Sun, 29 Apr 2007 04:12
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"Bob Gonder" <notbg@notmindspring.invalid> wrote in message 
news:i717339g3u8esppurihllgq3aj0a5qelig@4ax.com...
> Dennis Jones wrote:
>
>>Perhaps I am mistaken, but it looks to me like the problem is 
>>obvious...your
>>comment says, "Create a mutex with no initial owner", but the code creates
>>it owned (conflicts with the comment).  Then you attempt to wait for the
>>mutex, and 5 seconds later, due to timeout, the exception is thrown.
>
> The CreateMutex(true) returns with ownership.
> The wait() satisfies with pre-ownership to eliminate deadlock.
> Drawback is now the mutex is owned twice and should be released twice.

I'm intrigued, but my brain is functioning on overload and a lack of sleep 
(only to get worse in the near future, I'm afraid).  Could you please 
explain how this methodology works to eliminate deadlock?

- Dennis 
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Subject: Re: Need help with Mutex
Date: Sat, 28 Apr 2007 21:12:02 -0700
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