Re: VC++ CSemaphore equivalent?

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#2311

From: Jonathan Benedicto
Date: Mon, 12 Mar 2007 17:56

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Robert G. Hoover wrote:
>                // set semiphore
>                busy = true;

What is the semaphore used for?

>                // grab video frame(s) from camera
>                Grab(live_grabbing_count);

What does Grab do?

>                // process image data
>                Process();

What does Process do?

>                // display current image on screen
>                Display();

What does Display do?

I asked these questions because if the code inside any of those 3 functions 
is not thread-safe, a multi-core processor will cause your application to 
behave erratically.

Jon

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