> On Sep 22, 2016, at 8:34 AM, Xuelei Fan <xuelei....@oracle.com> wrote:
> 
> > latch = (latch + 1) & 0x7FFFFFFF;  // Mask the sign bit
> I'm fine with it.
> 
> BTW, if you like, I may suggest to use a little bit small number for the 
> mask, for example 0x1FFFFFFF, so that the counter variable does not overflow 
> either.  It works if counter overflow, but better not if we want the counter 
> meaningful.

Good idea.

--Max

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