Introduce ChannelMojo

ipc/ipc_channel_posix.cc

 // Copyright (c) 2012 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/ipc_channel_posix.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <stddef.h>
 #include <sys/socket.h>
@@ skipping 729 matching lines @@
   } else {
     Close();
     if (AcceptsConnections()) {
       listener()->OnChannelListenError();
     } else {
       listener()->OnChannelError();
     }
   }
 }
 
-int ChannelPosix::GetHelloMessageProcId() {
+int ChannelPosix::GetHelloMessageProcId() const {
   int pid = base::GetCurrentProcId();
 #if defined(OS_LINUX)
   // Our process may be in a sandbox with a separate PID namespace.
   if (global_pid_) {
     pid = global_pid_;
   }
 #endif
   return pid;
 }
 
@@ skipping 282 matching lines @@
     server_listen_connection_watcher_.StopWatchingFileDescriptor();
   }
 
   CloseClientFileDescriptor();
 }
 
 base::ProcessId ChannelPosix::GetPeerPID() const {
   return peer_pid_;
 }
 
+base::ProcessId ChannelPosix::GetSelfPID() const {
+  return GetHelloMessageProcId();
+}
+
+ChannelHandle ChannelPosix::TakePipeHandle() {
+  ChannelHandle handle = ChannelHandle(pipe_name_,
+                                       base::FileDescriptor(pipe_, false));
+  pipe_ = -1;
+  return handle;
+}
+
 //------------------------------------------------------------------------------
 // Channel's methods
 
 // static
 scoped_ptr<Channel> Channel::Create(
     const IPC::ChannelHandle &channel_handle, Mode mode, Listener* listener) {
   return make_scoped_ptr(new ChannelPosix(
       channel_handle, mode, listener)).PassAs<Channel>();
 }
 
@@ skipping 16 matching lines @@
 }
 
 #if defined(OS_LINUX)
 // static
 void Channel::SetGlobalPid(int pid) {
   ChannelPosix::SetGlobalPid(pid);
 }
 #endif  // OS_LINUX
 
 }  // namespace IPC