8 Jul
2011
8 Jul
'11
8:39 p.m.
On Fri, Jul 08, 2011 at 01:12:08PM -0500, Gabriel M. Beddingfield wrote:
There's a remote possibility that the compiler
could
optimize this as:
rb->read_ptr += n;
rb->read_ptr &= rb->size_mask;
...and this would break the ringbuffer. I don't know if the
`volatile` keyword prevents this or not.
It certainly does.
Ciao,
--
FA