Do simple booleans really need protecting (multithreading)

[Riccardo Cohen]

you can avoid protecting the bool if only one thread writes in it and 
the other reads it.

Brian Vanderburg II wrote:
> This is a question about multithreading.  I'm using wxThread and have a 
> data structure with some information, including two bools 'terminate', 
> and 'finished' which are both initially false.  The rest of the data 
> does need protecting, but do these two variables 'really' need to be 
> protected by anything?  The thread frequently checks the 'terminate' 
> variable, so even if it reads it at the same time another thread writes 
> it and gets the wrong value (maybe false when the other thread is 
> setting it to true), the next time it reads it it would read the it as 
> true instead.  Is there any real danger/problem with not protecting 
> these two with a critical section/mutex?
> 
> Brian Vanderburg II
> 
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-- 
Très cordialement,

Riccardo Cohen
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