--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/bridge/JavaScriptStatistics.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "JavaScriptStatistics.h"
+
+#include <JavaScriptCore/HashCountedSet.h>
+#include <JavaScriptCore/JSLock.h>
+#include <JavaScriptCore/collector.h>
+#include <JavaScriptCore/interpreter.h>
+#include <pthread.h>
+
+namespace WebCore {
+
+using KJS::Collector;
+using KJS::Interpreter;
+using KJS::JSLock;
+
+static void* collect(void*)
+{
+    JSLock lock;
+    Collector::collect();
+    return 0;
+}
+
+size_t JavaScriptStatistics::objectCount()
+{
+    JSLock lock;
+    return Collector::size();
+}
+
+size_t JavaScriptStatistics::interpreterCount()
+{
+    JSLock lock;
+    return Collector::numInterpreters();
+}
+
+size_t JavaScriptStatistics::protectedObjectCount()
+{
+    JSLock lock;
+    return Collector::numProtectedObjects();
+}
+
+HashCountedSet<const char*>* JavaScriptStatistics::rootObjectTypeCounts()
+{
+    JSLock lock;
+    
+    return Collector::rootObjectTypeCounts();
+}
+
+void JavaScriptStatistics::garbageCollect()
+{
+    collect(0);
+}
+
+void JavaScriptStatistics::garbageCollectOnAlternateThread(bool waitUntilDone)
+{
+    pthread_t thread;
+    pthread_create(&thread, NULL, collect, NULL);
+
+    if (waitUntilDone) {
+        JSLock::DropAllLocks dropLocks; // Otherwise our lock would deadlock the collect thread we're joining
+        pthread_join(thread, NULL);
+    }
+}
+
+bool JavaScriptStatistics::shouldPrintExceptions()
+{
+    JSLock lock;
+    return Interpreter::shouldPrintExceptions();
+}
+
+void JavaScriptStatistics::setShouldPrintExceptions(bool print)
+{
+    JSLock lock;
+    Interpreter::setShouldPrintExceptions(print);
+}
+
+} // namespace WebCore