tree 3292bd06780c67e10ae4c15b78b5a02acf15bf96
parent a5471a6723f4069f9c6e8d482d5a9045e58b695e
author Colin Cross <ccross@android.com> 1475527232 -0700
committer Colin Cross <ccross@android.com> 1475533991 -0700

Propagate signals through makeparallel

Set up a signal handler in makeparallel that will forward SIGHUP,
SIGINT, SIGQUIT, and SIGTERM to the child process.

Bug: 31907490
Test: m -j & killall make; pgrep -a ninja
Test: make makeparallel_test
Change-Id: I306e5335ed1b2c7056804d5da377a2f283877f30