Move Source/WTF/wtf to Source/wtf

Source/WTF/wtf/Threading.cpp

-/*
- * Copyright (C) 2008, 2009 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 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 "Threading.h"
-#include <wtf/OwnPtr.h>
-#include <wtf/PassOwnPtr.h>
-
-#include <string.h>
-
-namespace WTF {
-
-struct NewThreadContext {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    NewThreadContext(ThreadFunction entryPoint, void* data, const char* name)
-        : entryPoint(entryPoint)
-        , data(data)
-        , name(name)
-    {
-    }
-
-    ThreadFunction entryPoint;
-    void* data;
-    const char* name;
-
-    Mutex creationMutex;
-};
-
-static void threadEntryPoint(void* contextData)
-{
-    NewThreadContext* context = reinterpret_cast<NewThreadContext*>(contextData);
-
-    // Block until our creating thread has completed any extra setup work, including
-    // establishing ThreadIdentifier.
-    {
-        MutexLocker locker(context->creationMutex);
-    }
-
-    initializeCurrentThreadInternal(context->name);
-
-    // Grab the info that we need out of the context, then deallocate it.
-    ThreadFunction entryPoint = context->entryPoint;
-    void* data = context->data;
-    delete context;
-
-    entryPoint(data);
-}
-
-ThreadIdentifier createThread(ThreadFunction entryPoint, void* data, const char* name)
-{
-    // Visual Studio has a 31-character limit on thread names. Longer names will
-    // be truncated silently, but we'd like callers to know about the limit.
-#if !LOG_DISABLED
-    if (name && strlen(name) > 31)
-        LOG_ERROR("Thread name \"%s\" is longer than 31 characters and will be truncated by Visual Studio", name);
-#endif
-
-    NewThreadContext* context = new NewThreadContext(entryPoint, data, name);
-
-    // Prevent the thread body from executing until we've established the thread identifier.
-    MutexLocker locker(context->creationMutex);
-
-    return createThreadInternal(threadEntryPoint, context, name);
-}
-
-} // namespace WTF