tree 351299f1db4aefcb2879dc765758e62f58a0deb9
parent 24fb32b42683cf711a6683e3cff3540b16bb5019
author Sameer Agarwal <sameeragarwal@google.com> 1366562546 -0700
committer Sameer Agarwal <sameeragarwal@google.com> 1366575934 -0700

Disable threads completely if OpenMP is not present.

This reduces the penalty paid by Mutex lock and unlock operations
in single threaded mode.

Change-Id: I185380bde73fe87e901fc434d152d6c366ff1d5d