return a unique handle associated with a device ptr (driver API)
return a unique handle associated with a device ptr (driver API)

Ignore-this: c2f5c8b8af2d9a99d3f673f17e4c8217

darcs-hash:20100218045419-dcabc-210c1b730a477f0d3d6fc447cafdd0c95e9abdb5.gz

phaazon/cuda,phaazon/cuda,phaazon/cuda,mwu-tow/cuda