tree 9b9d49b980e3795bd647c164f2a42ed11d0fecae
parent f13343eb8b2738e2812fd7bd9d5592f529e93c21
author Josh Gao <jmgao@google.com> 1518151794 -0800
committer Josh Gao <jmgao@google.com> 1519250638 -0800

sigchain: add wrappers for sigaction64/sigprocmask64.

Add wrappers for sigaction64/sigprocmask64 and switch the storage of
chained handlers to sigaction64.

Bug: http://b/73108155
Test: treehugger
Change-Id: If0f1f254541ab4b6d218b97914e68fd3e8f00705