| // Copyright 2015 The Chromium Authors. All rights reserved. | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | #include "ipc/mach_port_mac.h" | 
 |  | 
 | #include "base/logging.h" | 
 | #include "base/memory/ref_counted.h" | 
 | #include "base/strings/string_number_conversions.h" | 
 | #include "base/strings/stringprintf.h" | 
 | #include "ipc/mach_port_attachment_mac.h" | 
 |  | 
 | namespace IPC { | 
 |  | 
 | // static | 
 | void ParamTraits<MachPortMac>::Write(base::Pickle* m, const param_type& p) { | 
 |   if (!m->WriteAttachment( | 
 |           new IPC::internal::MachPortAttachmentMac(p.get_mach_port()))) { | 
 |     NOTREACHED(); | 
 |   } | 
 | } | 
 |  | 
 | // static | 
 | bool ParamTraits<MachPortMac>::Read(const base::Pickle* m, | 
 |                                     base::PickleIterator* iter, | 
 |                                     param_type* r) { | 
 |   scoped_refptr<base::Pickle::Attachment> base_attachment; | 
 |   if (!m->ReadAttachment(iter, &base_attachment)) | 
 |     return false; | 
 |   MessageAttachment* attachment = | 
 |       static_cast<MessageAttachment*>(base_attachment.get()); | 
 |   if (attachment->GetType() != MessageAttachment::Type::MACH_PORT) | 
 |     return false; | 
 |   IPC::internal::MachPortAttachmentMac* mach_port_attachment = | 
 |       static_cast<IPC::internal::MachPortAttachmentMac*>(attachment); | 
 |   r->set_mach_port(mach_port_attachment->get_mach_port()); | 
 |   mach_port_attachment->reset_mach_port_ownership(); | 
 |   return true; | 
 | } | 
 |  | 
 | // static | 
 | void ParamTraits<MachPortMac>::Log(const param_type& p, std::string* l) { | 
 |   l->append(base::StringPrintf("mach port: 0x%X", p.get_mach_port())); | 
 | } | 
 |  | 
 | }  // namespace IPC |