Re: how atomic is the atomic set instruction?

["Ali Günhan Akyürek" <aliakyurek@xxxxxxxxx>]

atomic_set doesn´t say anything about interrupts. So i assume interrupts are
on,
and context switch can occur. Between the load and store instruction.

On Sat, Nov 8, 2008 at 11:40 AM, Ian Molton <ian@xxxxxxxxxxxxxx> wrote:

> Ali Günhan Akyürek wrote:
>
> load r1,[memAddress1]
>> ----- > What if a context switch occurs here.
>> store r2,[memAddress2]
>>
>> The value you read from memAddress1 may change by another process or
>> thread.
>> So the stored value will be different than the expected. This is where i
>> am
>> stucked.
>>
>
> Context switches dont happen if interrupts are off.
>
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