tree fe25200933bed0e7a73a2c45b26c475afa305cd4
parent af852ecfd16bdd3d867218792b0340364f283a73
author Pyry Haulos <phaulos@google.com> 1428620518 -0700
committer Pyry Haulos <phaulos@google.com> 1428942374 -0700

Add de::SpinBarrier

SpinBarrier provides convenient cross-thread barriers.

Change-Id: I70eac2ed07b2c123d9709ecf5bbe284f35771204