On May 6, 2012, at 17:11 , Stefan Werner wrote:
> Have you tried union{} ?
>
> union {
> int32_t s;
> uint32_t u;
> } atomicvar;
> atomicvar.u = 0;
> OSAtomicCompareAndSwap32(0, 1, &atomicvar.s);
> OSAtomicOr32Orig(0, &atomicvar.u);
I've seen this technique in other places. Why is that better than just casting
pointer types? Like this:
int32_t s;
uint32_t u;
u = *(uint32_t*) &s;
--
Rick
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