69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/*
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* Copyright (C) 2011 Patrick Gansterer <paroga@paroga.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <memory>
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#include <windows.h>
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#include <wtf/Noncopyable.h>
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namespace WTF {
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class Win32Handle {
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WTF_MAKE_FAST_ALLOCATED;
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WTF_MAKE_NONCOPYABLE(Win32Handle);
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public:
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Win32Handle() : m_handle(INVALID_HANDLE_VALUE) { }
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explicit Win32Handle(HANDLE handle) : m_handle(handle) { }
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~Win32Handle() { clear(); }
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void clear()
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{
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if (!isValid())
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return;
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CloseHandle(m_handle);
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m_handle = INVALID_HANDLE_VALUE;
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}
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bool isValid() const { return m_handle != INVALID_HANDLE_VALUE; }
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HANDLE get() const { return m_handle; }
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HANDLE release() { HANDLE ret = m_handle; m_handle = INVALID_HANDLE_VALUE; return ret; }
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Win32Handle& operator=(HANDLE handle)
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{
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clear();
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m_handle = handle;
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return *this;
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}
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private:
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HANDLE m_handle;
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};
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} // namespace WTF
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