[En-Nut-Discussion] Event API

[Henk Kampman]

On 27-okt-04, at 9:45, Matthias Ringwald wrote:

>
> On 26.10.2004, at 19:58, Henk Kampman wrote:
>
>> Why is there no NutEventClear?
>
> Because it's not (really) needed.
>
> NutEventClear is identical to the also non-existant NutEventInit
> which is realized by setting the event queue to 0:
> theEvent = 0
>
> hm. if your event might be posted from interrupt context, a critical 
> section would come in handy.
>
> NutEventInit/Reset/Clear:
>
> NutEnterCritical()
> theEvent = 0
> NutExitCritical()


I think that the following is a safer approach.

void NutEventClear(volatile HANDLE * qh)
{
	NutEnterCritical();

     if (*qhp == SIGNALED)
         *qhp = 0;

     NutExitCritical();
}

Henk
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