[BlackBerry] clock_gettime() in BackingStore.cpp should use CLOCK_MONOTONIC
https://bugs.webkit.org/show_bug.cgi?id=91898

Reviewed by Yong Li.
Patch by Jacky Jiang  <zhajiang@rim.com>

Let pthread condition variable in BackingStore.cpp use monotonic clock
to fix a regression caused by r123266.

* Api/BackingStore.cpp:
(BlackBerry::WebKit::BackingStorePrivate::BackingStorePrivate):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@123629 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/WebKit/blackberry/Api/BackingStore.cpp b/Source/WebKit/blackberry/Api/BackingStore.cpp
index c9afe196..3d2832c 100644
--- a/Source/WebKit/blackberry/Api/BackingStore.cpp
+++ b/Source/WebKit/blackberry/Api/BackingStore.cpp
@@ -228,7 +228,12 @@
     pthread_mutexattr_destroy(&attr);
 
     pthread_mutex_init(&m_blitGenerationLock, 0);
-    pthread_cond_init(&m_blitGenerationCond, 0);
+
+    pthread_condattr_t condattr;
+    pthread_condattr_init(&condattr);
+    pthread_condattr_setclock(&condattr, CLOCK_MONOTONIC);
+    pthread_cond_init(&m_blitGenerationCond, &condattr);
+    pthread_condattr_destroy(&condattr);
 }
 
 BackingStorePrivate::~BackingStorePrivate()
diff --git a/Source/WebKit/blackberry/ChangeLog b/Source/WebKit/blackberry/ChangeLog
index 401aa90..0283b72 100644
--- a/Source/WebKit/blackberry/ChangeLog
+++ b/Source/WebKit/blackberry/ChangeLog
@@ -1,3 +1,16 @@
+2012-07-25  Jacky Jiang  <zhajiang@rim.com>
+
+        [BlackBerry] clock_gettime() in BackingStore.cpp should use CLOCK_MONOTONIC
+        https://bugs.webkit.org/show_bug.cgi?id=91898
+
+        Reviewed by Yong Li.
+
+        Let pthread condition variable in BackingStore.cpp use monotonic clock
+        to fix a regression caused by r123266.
+
+        * Api/BackingStore.cpp:
+        (BlackBerry::WebKit::BackingStorePrivate::BackingStorePrivate):
+
 2012-07-25  Andy Chen  <andchen@rim.com>
 
         [BlackBerry] Add "SelectAll" to WebPage