On Jul 20, 2010, at 8:03 AM, N.M. Maclaren wrote: > > Also, it seems like the 3rd parameter could be problematic if it ever > > goes larger than 2B -- it'll increment in the wrong direction, won't it? > > Not on most systems.
Ah -- I just checked -- the associativity of + and (cast) are equal, and are right to left. So it should be ok. But still, for defensive programming purposes, I'd prefer this: } while (!OPAL_ATOMIC_CMPSET_32((int32_t*)&ep->eager_rdma_remote.seq, (int32_t)ftr->seq, (int32_t)(ftr->seq+1))); -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/