tree a696bab21a669db0da770d6dcec396fdd75c5dbe
parent b2b55596e605bef315b615cb89e4515f360548f2
author Hiroshi Yamauchi <yamauchi@google.com> 1463020064 -0700
committer Hiroshi Yamauchi <yamauchi@google.com> 1463020064 -0700

Use _exit instead of exit for the system exit.

We get DCHECK failures in ~Mutex() called from an atexit handler on
System.exit() in some tests. To avoid it, use _exit instead of exit.

Bug: 28106055
Change-Id: I2a6d2ad8170327553c9c9f0049829e3fd3937180