# HG changeset patch
# User kvn
# Date 1417551871 28800
# Node ID f913964f3fde85c42ab7da376c3f7d56589c26d5
# Parent  a8ebd6f1b030571349390aa452d6b6a98081c5ac
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

diff -r a8ebd6f1b030 -r f913964f3fde src/share/vm/opto/escape.cpp
--- a/src/share/vm/opto/escape.cpp	Tue Dec 02 15:01:01 2014 -0800
+++ b/src/share/vm/opto/escape.cpp	Tue Dec 02 12:24:31 2014 -0800
@@ -1106,6 +1106,9 @@
           // 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);