commit e8bfc559d0f067fb69f0079a26e4b2f9a581443c
author Austin Schuh <austin.linux@gmail.com> Tue Dec 03 23:48:23 2019 -0800
committer Austin Schuh <austin.linux@gmail.com> Sat Dec 07 14:01:06 2019 -0800
tree 563f066929e9f762395d76b6e6a3aa548818daba
parent 1e8694759ffcfb41dc0a30026870f64577a77121

Enable basic backtracing with glog

This will have an occasional deadlock, but it should be very infrequent.
The backtrace is significantly more helpful than the deadlock.

Change-Id: Iaad7f8becf2cf6b5d4d3e971d8f99f3dc69a50f3

aos/init.cc

diff --git a/aos/init.cc b/aos/init.cc
index ac18413..e506d86 100644
--- a/aos/init.cc
+++ b/aos/init.cc
@@ -40,6 +40,7 @@
 void InitStart() {
   ::aos::logging::Init();
   WriteCoreDumps();
+  google::InstallFailureSignalHandler();
 }
 
 const char *const kNoRealtimeEnvironmentVariable = "AOS_NO_REALTIME";

third_party/google-glog/bazel/glog.bzl

diff --git a/third_party/google-glog/bazel/glog.bzl b/third_party/google-glog/bazel/glog.bzl
index 6437619..d674fb4 100644
--- a/third_party/google-glog/bazel/glog.bzl
+++ b/third_party/google-glog/bazel/glog.bzl
@@ -68,6 +68,7 @@
             '-DHAVE_STRING_H',
             # Enable dumping stacktrace upon sigaction.
             '-DHAVE_SIGACTION',
+            '-DHAVE_EXECINFO_H',
             # For logging.cc.
             '-DHAVE_PREAD',
             '-DHAVE___ATTRIBUTE__',