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/*
* Copyright (C) 2011 Patrick Gansterer <paroga@paroga.com>
*
* 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.
*/
#ifndef Win32Handle_h
#define Win32Handle_h
#include <memory>
#include <windows.h>
#include <wtf/Noncopyable.h>
namespace WebCore {
class Win32Handle {
WTF_MAKE_NONCOPYABLE(Win32Handle);
public:
Win32Handle() : m_handle(INVALID_HANDLE_VALUE) { }
explicit Win32Handle(HANDLE handle) : m_handle(handle) { }
~Win32Handle() { clear(); }
void clear()
{
if (!isValid())
return;
CloseHandle(m_handle);
m_handle = INVALID_HANDLE_VALUE;
}
bool isValid() const { return m_handle != INVALID_HANDLE_VALUE; }
HANDLE get() const { return m_handle; }
HANDLE release() { HANDLE ret = m_handle; m_handle = INVALID_HANDLE_VALUE; return ret; }
Win32Handle& operator=(HANDLE handle)
{
clear();
m_handle = handle;
return *this;
}
private:
HANDLE m_handle;
};
} // namespace WebCore
#endif // Win32Handle_h
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