[devil] Reset previous signal_handler in a finally.

[devil] Add SignalHandler and reset previous signal_handler in a finally.

BUG=chromium:664308
Committed: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+/81f71e551ef237558bda54ba8f84509e1a36977a

[jbudorick, 2016-11-17 16:31:19]

jbudorick@chromium.org changed reviewers:
+ mikecase@chromium.org

[jbudorick, 2016-11-17 16:32:00]

Description was changed from

==========
[devil] Reset previous signal_handler in a finally.
==========

to

==========
[devil] Reset previous signal_handler in a finally.

BUG=chromium:664308
==========

[jbudorick, 2016-11-17 16:59:24]

Description was changed from

==========
[devil] Reset previous signal_handler in a finally.

BUG=chromium:664308
==========

to

==========
[devil] Add SignalHandler and reset previous signal_handler in a finally.

BUG=chromium:664308
==========

[jbudorick, 2016-11-17 17:31:06]

jbudorick@chromium.org changed reviewers:
+ rnephew@chromium.org

[rnephew (Reviews Here), 2016-11-17 19:15:51]

On 2016/11/17 17:31:07, jbudorick wrote:

lgtm

[jbudorick, 2016-11-17 20:03:44]

The CQ bit was checked by jbudorick@chromium.org

[commit-bot: I haz the power, 2016-11-17 20:03:52]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-11-17 20:53:46]

Description was changed from

==========
[devil] Add SignalHandler and reset previous signal_handler in a finally.

BUG=chromium:664308
==========

to

==========
[devil] Add SignalHandler and reset previous signal_handler in a finally.

BUG=chromium:664308

Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...
==========

[commit-bot: I haz the power, 2016-11-17 20:53:47]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...