From 82001f306b61ff969a0b7cec2408aee7b9091d3e Mon Sep 17 00:00:00 2001
From: prolic <saschaprolic@googlemail.com>
Date: Wed, 17 Jul 2013 18:57:05 +0200
Subject: [PATCH 1/3] add cas operation for apc adapter

---
 library/Zend/Cache/Storage/Adapter/Apc.php | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/library/Zend/Cache/Storage/Adapter/Apc.php b/library/Zend/Cache/Storage/Adapter/Apc.php
index 2196ff5f43e..7483d3fc3aa 100644
--- a/library/Zend/Cache/Storage/Adapter/Apc.php
+++ b/library/Zend/Cache/Storage/Adapter/Apc.php
@@ -734,4 +734,24 @@ protected function normalizeMetadata(array & $metadata)
             $metadata['num_hits']
         );
     }
+
+    /**
+     * Internal method to set an item only if token matches
+     *
+     * @param  mixed  $token
+     * @param  string $normalizedKey
+     * @param  mixed  $value
+     * @return bool
+     * @throws Exception\ExceptionInterface
+     * @see    getItem()
+     * @see    setItem()
+     */
+    protected function internalCheckAndSetItem(& $token, & $normalizedKey, & $value)
+    {
+        if (!$this->internalHasItem($normalizedKey)) {
+            return false;
+        }
+
+        return apc_cas($normalizedKey, $token, $value);
+    }
 }

From af531104970d396ad073a0cead2d973d4e78c522 Mon Sep 17 00:00:00 2001
From: prolic <saschaprolic@googlemail.com>
Date: Wed, 17 Jul 2013 19:00:35 +0200
Subject: [PATCH 2/3] simplified

---
 library/Zend/Cache/Storage/Adapter/Apc.php | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/library/Zend/Cache/Storage/Adapter/Apc.php b/library/Zend/Cache/Storage/Adapter/Apc.php
index 7483d3fc3aa..6666313429a 100644
--- a/library/Zend/Cache/Storage/Adapter/Apc.php
+++ b/library/Zend/Cache/Storage/Adapter/Apc.php
@@ -748,10 +748,6 @@ protected function normalizeMetadata(array & $metadata)
      */
     protected function internalCheckAndSetItem(& $token, & $normalizedKey, & $value)
     {
-        if (!$this->internalHasItem($normalizedKey)) {
-            return false;
-        }
-
         return apc_cas($normalizedKey, $token, $value);
     }
 }

From 169fbc1a9cde6197b12c6b90cbc2a4f1f3b3d487 Mon Sep 17 00:00:00 2001
From: prolic <saschaprolic@googlemail.com>
Date: Wed, 17 Jul 2013 23:25:26 +0200
Subject: [PATCH 3/3] remove unused phpdoc line

---
 library/Zend/Cache/Storage/Adapter/Apc.php | 1 -
 1 file changed, 1 deletion(-)

diff --git a/library/Zend/Cache/Storage/Adapter/Apc.php b/library/Zend/Cache/Storage/Adapter/Apc.php
index 6666313429a..8f4ecf0d9f5 100644
--- a/library/Zend/Cache/Storage/Adapter/Apc.php
+++ b/library/Zend/Cache/Storage/Adapter/Apc.php
@@ -742,7 +742,6 @@ protected function normalizeMetadata(array & $metadata)
      * @param  string $normalizedKey
      * @param  mixed  $value
      * @return bool
-     * @throws Exception\ExceptionInterface
      * @see    getItem()
      * @see    setItem()
      */