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/*
* Copyright (C) 2023-2024 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
#include <wtf/ArgumentCoder.h>
#if USE(UNIX_DOMAIN_SOCKETS)
#include <wtf/unix/UnixFileDescriptor.h>
#elif OS(DARWIN)
#include <wtf/MachSendRight.h>
#elif OS(WINDOWS)
#include <wtf/win/Win32Handle.h>
#endif
namespace IPC {
class ConnectionHandle {
public:
ConnectionHandle() = default;
ConnectionHandle(ConnectionHandle&&) = default;
ConnectionHandle& operator=(ConnectionHandle&&) = default;
ConnectionHandle(const ConnectionHandle&) = delete;
ConnectionHandle& operator=(const ConnectionHandle&) = delete;
#if USE(UNIX_DOMAIN_SOCKETS)
ConnectionHandle(UnixFileDescriptor&& inHandle)
: m_handle(WTFMove(inHandle))
{ }
explicit operator bool() const { return !!m_handle; }
int release() WARN_UNUSED_RETURN { return m_handle.release(); }
#elif OS(WINDOWS)
ConnectionHandle(Win32Handle&& inHandle)
: m_handle(WTFMove(inHandle))
{ }
explicit operator bool() const { return !!m_handle; }
HANDLE leak() WARN_UNUSED_RETURN { return m_handle.leak(); }
#elif OS(DARWIN)
ConnectionHandle(MachSendRight&& sendRight)
: m_handle(WTFMove(sendRight))
{ }
explicit operator bool() const { return MACH_PORT_VALID(m_handle.sendRight()); }
mach_port_t leakSendRight() WARN_UNUSED_RETURN { return m_handle.leakSendRight(); }
#endif
private:
friend struct IPC::ArgumentCoder<ConnectionHandle, void>;
#if USE(UNIX_DOMAIN_SOCKETS)
UnixFileDescriptor m_handle;
#elif OS(WINDOWS)
Win32Handle m_handle;
#elif OS(DARWIN)
MachSendRight m_handle;
#endif
};
} // namespace IPC
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