Preventing tread collisions

[MRAB]

On 2012-12-12 20:58, Ian Kelly wrote:
> On Wed, Dec 12, 2012 at 1:53 PM, MRAB <python at mrabarnett.plus.com> wrote:
>> You could try a non-blocking semaphore:
>>
>> def __init__(self):
>>     self.cameraActive = Semaphore()
>
> Why a Semaphore and not just a plain old Lock?
>
Good point. I probably thought of a semaphore because the OP mentioned
it first. :-)