| /* |
| * Copyright (C) 2010 Apple Inc. All rights reserved. |
| * Copyright (C) 2017 Sony Interactive Entertainment Inc. |
| * |
| * 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 OS(DARWIN) && !USE(UNIX_DOMAIN_SOCKETS) |
| #include <mach/mach_init.h> |
| #include <mach/mach_traps.h> |
| #endif |
| |
| #if OS(WINDOWS) |
| #include <windows.h> |
| #endif |
| |
| namespace IPC { |
| |
| class Decoder; |
| class Encoder; |
| |
| class Attachment { |
| public: |
| Attachment(); |
| |
| enum Type { |
| Uninitialized, |
| #if USE(UNIX_DOMAIN_SOCKETS) |
| SocketType, |
| MappedMemoryType, |
| #elif OS(DARWIN) |
| MachPortType |
| #endif |
| }; |
| |
| #if USE(UNIX_DOMAIN_SOCKETS) |
| Attachment(Attachment&&); |
| Attachment& operator=(Attachment&&); |
| Attachment(int fileDescriptor, size_t); |
| Attachment(int fileDescriptor); |
| ~Attachment(); |
| #elif OS(DARWIN) |
| Attachment(mach_port_name_t, mach_msg_type_name_t disposition); |
| #elif OS(WINDOWS) |
| Attachment(HANDLE handle) |
| : m_handle(handle) |
| { } |
| #endif |
| |
| Type type() const { return m_type; } |
| |
| #if USE(UNIX_DOMAIN_SOCKETS) |
| size_t size() const { return m_size; } |
| |
| int releaseFileDescriptor() { int temp = m_fileDescriptor; m_fileDescriptor = -1; return temp; } |
| int fileDescriptor() const { return m_fileDescriptor; } |
| #elif OS(DARWIN) |
| void release(); |
| |
| // MachPortType |
| mach_port_name_t port() const { return m_port; } |
| mach_msg_type_name_t disposition() const { return m_disposition; } |
| #elif OS(WINDOWS) |
| HANDLE handle() const { return m_handle; } |
| #endif |
| |
| void encode(Encoder&) const; |
| static bool decode(Decoder&, Attachment&); |
| |
| private: |
| Type m_type; |
| |
| #if USE(UNIX_DOMAIN_SOCKETS) |
| int m_fileDescriptor { -1 }; |
| size_t m_size; |
| #elif OS(DARWIN) |
| mach_port_name_t m_port; |
| mach_msg_type_name_t m_disposition; |
| #elif OS(WINDOWS) |
| HANDLE m_handle { INVALID_HANDLE_VALUE }; |
| #endif |
| }; |
| |
| } // namespace IPC |