tree cb4a1af9bf3f55072d53a93baa876c00e193d083
parent e0ed6a22af5c420c15cca5545c44b54a3f82f2f8
author Jeremy Hayes <jeremy@lunarg.com> 1460490532 -0600
committer Jeremy Hayes <jeremy@lunarg.com> 1461001216 -0600

layers: threading - use std mutex

Change-Id: I773ea148807e5b634ad021ea58b001cd3d1bad87