/* * Copyright (C) 2010 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. */ #ifndef Attachment_h #define Attachment_h #if OS(DARWIN) #include <mach/mach_init.h> #include <mach/mach_traps.h> #endif namespace IPC { class ArgumentDecoder; class ArgumentEncoder; class Attachment { public: Attachment(); enum Type { Uninitialized, #if OS(DARWIN) MachPortType, #elif USE(UNIX_DOMAIN_SOCKETS) SocketType, MappedMemoryType #endif }; #if OS(DARWIN) Attachment(mach_port_name_t port, mach_msg_type_name_t disposition); #elif USE(UNIX_DOMAIN_SOCKETS) Attachment(Attachment&&); Attachment& operator=(Attachment&&); Attachment(int fileDescriptor, size_t); Attachment(int fileDescriptor); ~Attachment(); #endif Type type() const { return m_type; } #if 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 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; } #endif void encode(ArgumentEncoder&) const; static bool decode(ArgumentDecoder&, Attachment&); private: Type m_type; #if OS(DARWIN) mach_port_name_t m_port; mach_msg_type_name_t m_disposition; #elif USE(UNIX_DOMAIN_SOCKETS) int m_fileDescriptor { -1 }; size_t m_size; #endif }; } // namespace IPC #endif // Attachment_h