From d66ae9e943fd28b0846c9de236e8cbdd9a948ed6 Mon Sep 17 00:00:00 2001
From: dholmes <unknown>
Date: Mon, 17 Aug 2015 21:14:26 -0400
Subject: [PATCH] 8029453:
 java/util/concurrent/locks/ReentrantLock/TimeoutLockLoops.java failed by
 timeout Reviewed-by: bdelsart, ddmitriev, dcubed

---
 src/os/linux/vm/os_linux.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/os/linux/vm/os_linux.cpp b/src/os/linux/vm/os_linux.cpp
index bbe347e84..4f7c38ab3 100644
--- a/src/os/linux/vm/os_linux.cpp
+++ b/src/os/linux/vm/os_linux.cpp
@@ -5922,9 +5922,11 @@ void Parker::unpark() {
         status = pthread_mutex_unlock(_mutex);
         assert (status == 0, "invariant");
       } else {
+        // must capture correct index before unlocking
+        int index = _cur_index;
         status = pthread_mutex_unlock(_mutex);
         assert (status == 0, "invariant");
-        status = pthread_cond_signal (&_cond[_cur_index]);
+        status = pthread_cond_signal (&_cond[index]);
         assert (status == 0, "invariant");
       }
     } else {
-- 
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