tree 768bd5c27210785bea49e0930aa76eb138988a03
parent 90dc30f4b9967e850d0594e57dfa8e7cb0369575
author Logan Chien <loganchien@google.com> 1335143446 +0800
committer Shih-wei Liao <sliao@google.com> 1335176668 -0700

Add mutex lock to CompilationUnit.

Change-Id: I2555dcc72ca8a765627b9267bfc32ad97315472f