From a4edb70a4b3b204ac59aa93ad9b07f1e80e48808 Mon Sep 17 00:00:00 2001
From: kvn <unknown>
Date: Tue, 2 Dec 2014 12:24:31 -0800
Subject: [PATCH] 8066199: C2 escape analysis prevents VM from exiting quickly
 Summary: Check for safepoint and block during EA Connection graph
 construction. Reviewed-by: roland, vlivanov, shade

---
 src/share/vm/opto/escape.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/share/vm/opto/escape.cpp b/src/share/vm/opto/escape.cpp
index 4af344928..384fe0810 100644
--- a/src/share/vm/opto/escape.cpp
+++ b/src/share/vm/opto/escape.cpp
@@ -1106,6 +1106,9 @@ bool ConnectionGraph::complete_connection_graph(
           // Each 4 iterations calculate how much time it will take
           // to complete graph construction.
           time.stop();
+          // Poll for requests from shutdown mechanism to quiesce compiler
+          // because Connection graph construction may take long time.
+          CompileBroker::maybe_block();
           double stop_time = time.seconds();
           double time_per_iter = (stop_time - start_time) / (double)SAMPLE_SIZE;
           double time_until_end = time_per_iter * (double)(java_objects_length - next);
-- 
GitLab