tree b051d4547c2bd1708a1be3a33c874d2715efa38d
parent 856f7bafa45ff820e5e09ff42aa784163bb4f7c5
author Colin Cross <ccross@android.com> 1560319296 -0700
committer Jackeagle <jackeagle102@gmail.com> 1567678768 -0400

Use SIGWINCH to update terminal size

Instead of reading the terminal size on every status update, register
for SIGWINCH to read and store the size when it changes.

This reapplies I555ad21a31a2c924ab0ca681e0c8f00df42a370a with a fix
for a race condition in TestSmartStatusOutputWidthChange.

Test: status_test.go
Change-Id: If342cb4cc8e4ed57af9e3bb417758348c9c41247