diff -r 4f2f89ce4247 -r 303757a437d3 WebKitTools/DumpRenderTree/pthreads/JavaScriptThreadingPthreads.cpp
--- a/WebKitTools/DumpRenderTree/pthreads/JavaScriptThreadingPthreads.cpp	Fri Sep 17 09:02:29 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,138 +0,0 @@
-/*
- * Copyright (C) 2005, 2006, 2007 Apple Inc. All rights reserved.
- *           (C) 2007 Graham Dennis (graham.dennis@gmail.com)
- *           (C) 2007 Eric Seidel <eric@webkit.org>
- *
- * 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. 
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 "JavaScriptThreading.h"
-
-#include <CoreFoundation/CoreFoundation.h>
-#include <JavaScriptCore/JavaScriptCore.h>
-#include <pthread.h>
-#include <wtf/Assertions.h>
-#include <wtf/HashSet.h>
-
-static pthread_mutex_t javaScriptThreadsMutex = PTHREAD_MUTEX_INITIALIZER;
-static bool javaScriptThreadsShouldTerminate;
-
-static const int javaScriptThreadsCount = 4;
-
-typedef HashSet<pthread_t> ThreadSet;
-
-static ThreadSet* javaScriptThreads()
-{
-    ASSERT(pthread_mutex_trylock(&javaScriptThreadsMutex) == EBUSY);
-    static ThreadSet staticJavaScriptThreads;
-    return &staticJavaScriptThreads;
-}
-
-// Loops forever, running a script and randomly respawning, until 
-// javaScriptThreadsShouldTerminate becomes true.
-void* runJavaScriptThread(void* arg)
-{
-    const char* const script =
-        "var array = [];"
-        "for (var i = 0; i < 10; i++) {"
-        "    array.push(String(i));"
-        "}";
-
-    while (1) {
-        JSGlobalContextRef ctx = JSGlobalContextCreate(0);
-        JSStringRef scriptRef = JSStringCreateWithUTF8CString(script);
-
-        JSValueRef exception = 0;
-        JSEvaluateScript(ctx, scriptRef, 0, 0, 1, &exception);
-        ASSERT(!exception);
-
-        JSGarbageCollect(ctx);
-        JSGlobalContextRelease(ctx);
-        JSStringRelease(scriptRef);
-        
-        JSGarbageCollect(0);
-
-        pthread_mutex_lock(&javaScriptThreadsMutex);
-
-        // Check for cancellation.
-        if (javaScriptThreadsShouldTerminate) {
-            javaScriptThreads()->remove(pthread_self());
-            pthread_mutex_unlock(&javaScriptThreadsMutex);
-            return 0;
-        }
-
-        // Respawn probabilistically.
-        if (random() % 5 == 0) {
-            pthread_t pthread;
-            pthread_create(&pthread, 0, &runJavaScriptThread, 0);
-            pthread_detach(pthread);
-
-            javaScriptThreads()->remove(pthread_self());
-            javaScriptThreads()->add(pthread);
-
-            pthread_mutex_unlock(&javaScriptThreadsMutex);
-            return 0;
-        }
-
-        pthread_mutex_unlock(&javaScriptThreadsMutex);
-    }
-}
-
-void startJavaScriptThreads()
-{
-    pthread_mutex_lock(&javaScriptThreadsMutex);
-
-    for (int i = 0; i < javaScriptThreadsCount; i++) {
-        pthread_t pthread;
-        pthread_create(&pthread, 0, &runJavaScriptThread, 0);
-        pthread_detach(pthread);
-        javaScriptThreads()->add(pthread);
-    }
-
-    pthread_mutex_unlock(&javaScriptThreadsMutex);
-}
-
-void stopJavaScriptThreads()
-{
-    pthread_mutex_lock(&javaScriptThreadsMutex);
-
-    javaScriptThreadsShouldTerminate = true;
-
-    ASSERT(javaScriptThreads()->size() == javaScriptThreadsCount);
-
-    pthread_mutex_unlock(&javaScriptThreadsMutex);
-
-    while (true) {
-        pthread_mutex_lock(&javaScriptThreadsMutex);
-        int threadCount = javaScriptThreads()->size();
-        pthread_mutex_unlock(&javaScriptThreadsMutex);
-
-        if (!threadCount)
-            break;
-
-        usleep(1000);
-    }
-}