From 8889d4db2cbb013e2311ced5188087502ba6aef8 Mon Sep 17 00:00:00 2001
From: zgu <unknown>
Date: Tue, 30 Apr 2013 09:17:06 -0400
Subject: [PATCH] 8013214: BigApps fails due to 'fatal error: Illegal
 threadstate encountered: 6' Summary: Grab and drop SR_lock to get the thread
 to honor the safepoint protocol Reviewed-by: dcubed, coleenp

---
 src/share/vm/services/memBaseline.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/share/vm/services/memBaseline.cpp b/src/share/vm/services/memBaseline.cpp
index e70821102..b090e95ac 100644
--- a/src/share/vm/services/memBaseline.cpp
+++ b/src/share/vm/services/memBaseline.cpp
@@ -156,7 +156,8 @@ bool MemBaseline::baseline_malloc_summary(const MemPointerArray* malloc_records)
 // for the safepoint
 void MemBaseline::check_safepoint(JavaThread* thr) {
   if (SafepointSynchronize::is_synchronizing()) {
-    SafepointSynchronize::block(thr);
+    // grab and drop the SR_lock to honor the safepoint protocol
+    MutexLocker ml(thr->SR_lock());
   }
 }
 
-- 
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