[fpc-pascal] Getting the state of a TRTLCriticalSection

[Benito van der Zander]

>
> In the end I stuck in code to increment/decrement a counter, and 
> looked for it to be explicitly 0 or 1.

Do you need to put a memory barrier around that, or does the critical 
section take care of that?



On 10/06/2013 06:55 PM, Mark Morgan Lloyd wrote:
> Michael Van Canneyt wrote:
>> On Sun, 6 Oct 2013, Mark Morgan Lloyd wrote:
>>
>>> Is there a preferred way of reading back whether something 
>>> (including the current thread) has already entered a TCriticalSection?
>>
>> To my knowlede this does not exist.
>>
>> The Microsoft implementation of a critical section has 
>> TryEnterCriticalSection, but I do not know how portable or useful 
>> that is.
>
> I think that one's generally available, but it looks as though it does 
> the same as TCriticalSection.TryEnter.
>
> In the end I stuck in code to increment/decrement a counter, and 
> looked for it to be explicitly 0 or 1.
>