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      1 /*
      2  * Copyright (C) 2010 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "Attachment.h"
     28 
     29 #include "ArgumentDecoder.h"
     30 #include "ArgumentEncoder.h"
     31 
     32 namespace CoreIPC {
     33 
     34 Attachment::Attachment()
     35     : m_type(Uninitialized)
     36 {
     37 }
     38 
     39 #if PLATFORM(MAC)
     40 Attachment::Attachment(mach_port_name_t port, mach_msg_type_name_t disposition)
     41     : m_type(MachPortType)
     42 {
     43     m_port.port = port;
     44     m_port.disposition = disposition;
     45 }
     46 
     47 Attachment::Attachment(void* address, mach_msg_size_t size, mach_msg_copy_options_t copyOptions, bool deallocate)
     48     : m_type(MachOOLMemoryType)
     49 {
     50     m_oolMemory.address = address;
     51     m_oolMemory.size = size;
     52     m_oolMemory.copyOptions = copyOptions;
     53     m_oolMemory.deallocate = deallocate;
     54 }
     55 
     56 void Attachment::release()
     57 {
     58     m_type = Uninitialized;
     59 }
     60 #endif
     61 
     62 void Attachment::encode(ArgumentEncoder* encoder) const
     63 {
     64     encoder->addAttachment(*this);
     65 }
     66 
     67 bool Attachment::decode(ArgumentDecoder* decoder, Attachment& attachment)
     68 {
     69     if (!decoder->removeAttachment(attachment))
     70         return false;
     71     return true;
     72 }
     73 
     74 } // namespace CoreIPC
     75