From 8ad38ab09133b099f6a0b01e6e3df28e07b90de9 Mon Sep 17 00:00:00 2001
From: "Brian S. O'Neill" <bronee@gmail.com>
Date: Sat, 13 Dec 2008 04:30:49 +0000
Subject: Release upgrade lock if write lock not acquired.

---
 src/main/java/com/amazon/carbonado/repo/map/UpgradableLock.java | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/main/java/com/amazon/carbonado/repo/map')

diff --git a/src/main/java/com/amazon/carbonado/repo/map/UpgradableLock.java b/src/main/java/com/amazon/carbonado/repo/map/UpgradableLock.java
index 60c9bfa..1992515 100644
--- a/src/main/java/com/amazon/carbonado/repo/map/UpgradableLock.java
+++ b/src/main/java/com/amazon/carbonado/repo/map/UpgradableLock.java
@@ -475,6 +475,7 @@ class UpgradableLock<L> {
                 return false;
             }
             if (!tryLockForWrite(locker)) {
+                unlockFromUpgrade(locker);
                 if ((timeout = unit.toNanos(timeout) - (System.nanoTime() - start)) <= 0) {
                     return false;
                 }
-- 
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