[Webkit-unassigned] [Bug 176894] [WinCairo] Add WTF files for wincairo webkit

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=176894

Alex Christensen <achristensen at apple.com> changed:

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--- Comment #2 from Alex Christensen <achristensen at apple.com> ---
Comment on attachment 322481
  --> https://bugs.webkit.org/attachment.cgi?id=322481
[PATCH] Add WTF files for WinCairo WebKit

View in context: https://bugs.webkit.org/attachment.cgi?id=322481&action=review

> Source/WTF/wtf/WorkQueue.h:28
> -#ifndef WorkQueue_h
> -#define WorkQueue_h
> +#pragma once

Unfortunately we need to keep the c-style guard because of inconsistent including in the cocoa ports for now.

> Source/WTF/wtf/threads/BinarySemaphore.h:51
> +#if PLATFORM(WIN)
> +    HANDLE m_event;

I think it's a bad idea to have such a platform-dependent difference in design of something like BinarySemaphore.  What's wrong with Mutex and ThreadCondition?

> Source/WTF/wtf/threads/win/BinarySemaphoreWin.cpp:39
> +BinarySemaphore::~BinarySemaphore()
> +{
> +    ::CloseHandle(m_event);

The Win32 API has quite a bit of overhead for things like this.  We have our custom WTF types to make them thin and lightweight.  c++11 added many things we can use instead.

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