Don't call exit() while threads may be running

It's unsafe to call exit() in C++ while there are running threads.
The remaining threads would race with static destructors, including
those for the standard library. Call _exit instead.

Bug: 150176543
Test: Boot AOSP, TreeHugger
Change-Id: Ieabf68f43e8b520714643e5ec36a8ca72cc83254

1 files changed, 3 insertions, 1 deletions

diff --git a/dalvikvm/dalvikvm.cc b/dalvikvm/dalvikvm.cc
index d46779ecfb..4808a1fa09 100644
--- a/dalvikvm/dalvikvm.cc
+++ b/dalvikvm/dalvikvm.cc
@@ -214,5 +214,7 @@ extern "C" const char *__asan_default_options() {
 }
 
 int main(int argc, char** argv) {
-  return art::dalvikvm(argc, argv);
+  // Do not allow static destructors to be called, since it's conceivable that
+  // daemons may still awaken (literally).
+  _exit(art::dalvikvm(argc, argv));
 }