ART: Add runtime phase callback

Add callback that describes the current runtime phase, one of
starting, initialized and death. Add test.

Bug: 31684920
Test: m test-art-host-gtest-runtime_callbacks_test
Change-Id: I08ae7c45851572f8b3e446c07f0498f66bb032d3

1 files changed, 14 insertions, 0 deletions

diff --git a/runtime/runtime_callbacks.cc b/runtime/runtime_callbacks.cc
index cd38ead2c3..7b15a4f1b5 100644
--- a/runtime/runtime_callbacks.cc
+++ b/runtime/runtime_callbacks.cc
@@ -87,4 +87,18 @@ void RuntimeCallbacks::SigQuit() {
   }
 }
 
+void RuntimeCallbacks::AddRuntimePhaseCallback(RuntimePhaseCallback* cb) {
+  phase_callbacks_.push_back(cb);
+}
+
+void RuntimeCallbacks::RemoveRuntimePhaseCallback(RuntimePhaseCallback* cb) {
+  Remove(cb, &phase_callbacks_);
+}
+
+void RuntimeCallbacks::NextRuntimePhase(RuntimePhaseCallback::RuntimePhase phase) {
+  for (RuntimePhaseCallback* cb : phase_callbacks_) {
+    cb->NextRuntimePhase(phase);
+  }
+}
+
 }  // namespace art