# HG changeset patch
# User zgu
# Date 1367327826 14400
# Node ID ed5a590835a4c18512e89922e69523f845040693
# Parent  409d4b59e095af125afbb90fe58c801e45c5a349
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

diff -r 409d4b59e095 -r ed5a590835a4 src/share/vm/services/memBaseline.cpp
--- a/src/share/vm/services/memBaseline.cpp	Tue Apr 30 02:28:42 2013 -0700
+++ b/src/share/vm/services/memBaseline.cpp	Tue Apr 30 09:17:06 2013 -0400
@@ -156,7 +156,8 @@
 // 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());
   }
 }