69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/*
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* Copyright (C) 2014-2018 Apple Inc. All rights reserved.
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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 INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if PLATFORM(COCOA)
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#include <mach/mach_port.h>
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namespace WTF {
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class MachSendRight {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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WTF_EXPORT_PRIVATE static MachSendRight adopt(mach_port_t);
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WTF_EXPORT_PRIVATE static MachSendRight create(mach_port_t);
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MachSendRight() = default;
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WTF_EXPORT_PRIVATE MachSendRight(const MachSendRight&);
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WTF_EXPORT_PRIVATE MachSendRight(MachSendRight&&);
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WTF_EXPORT_PRIVATE ~MachSendRight();
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WTF_EXPORT_PRIVATE MachSendRight& operator=(const MachSendRight&);
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WTF_EXPORT_PRIVATE MachSendRight& operator=(MachSendRight&&);
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explicit operator bool() const { return m_port != MACH_PORT_NULL; }
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mach_port_t sendRight() const { return m_port; }
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WTF_EXPORT_PRIVATE MachSendRight copySendRight() const;
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WTF_EXPORT_PRIVATE mach_port_t leakSendRight() WARN_UNUSED_RETURN;
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private:
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explicit MachSendRight(mach_port_t);
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mach_port_t m_port { MACH_PORT_NULL };
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};
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WTF_EXPORT_PRIVATE void deallocateSendRightSafely(mach_port_t);
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}
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using WTF::MachSendRight;
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using WTF::deallocateSendRightSafely;
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#endif
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