blob: 00d7c1f2c560c36e7f7c96640aefebb319849c01 [file] [log] [blame]
/*
* Copyright (C) 2014-2018 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 INC. 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 INC. 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.
*/
#pragma once
#if PLATFORM(COCOA)
#include <mach/mach_port.h>
namespace WTF {
class MachSendRight {
WTF_MAKE_FAST_ALLOCATED;
public:
WTF_EXPORT_PRIVATE static MachSendRight adopt(mach_port_t);
WTF_EXPORT_PRIVATE static MachSendRight create(mach_port_t);
MachSendRight() = default;
WTF_EXPORT_PRIVATE MachSendRight(MachSendRight&&);
WTF_EXPORT_PRIVATE ~MachSendRight();
WTF_EXPORT_PRIVATE MachSendRight& operator=(MachSendRight&&);
explicit operator bool() const { return m_port != MACH_PORT_NULL; }
mach_port_t sendRight() const { return m_port; }
WTF_EXPORT_PRIVATE MachSendRight copySendRight() const;
WTF_EXPORT_PRIVATE mach_port_t leakSendRight() WARN_UNUSED_RETURN;
private:
explicit MachSendRight(mach_port_t);
mach_port_t m_port { MACH_PORT_NULL };
};
WTF_EXPORT_PRIVATE void deallocateSendRightSafely(mach_port_t);
}
using WTF::MachSendRight;
using WTF::deallocateSendRightSafely;
#endif