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diff --git a/tools/lldb-mi/MICmnStreamStdinWindows.cpp b/tools/lldb-mi/MICmnStreamStdinWindows.cpp
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+//===-- MICmnStreamStdinWindows.cpp -----------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+//++
+// File: MIUtilStreamStdin.cpp
+//
+// Overview: CMICmnStreamStdinWindows implementation.
+//
+// Environment: Compilers: Visual C++ 12.
+// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
+// Libraries: See MIReadmetxt.
+//
+// Copyright: None.
+//--
+
+// Third Party Headers:
+#if defined( _MSC_VER )
+#include <stdio.h>
+#include <Windows.h>
+#include <io.h>
+#include <conio.h>
+#endif // defined( _MSC_VER )
+#include <string.h>
+
+// In-house headers:
+#include "MICmnStreamStdinWindows.h"
+#include "MICmnLog.h"
+#include "MICmnResources.h"
+#include "MIUtilSystemWindows.h"
+#include "MIUtilSingletonHelper.h"
+
+//++ ------------------------------------------------------------------------------------
+// Details: CMICmnStreamStdinWindows constructor.
+// Type: Method.
+// Args: None.
+// Return: None.
+// Throws: None.
+//--
+CMICmnStreamStdinWindows::CMICmnStreamStdinWindows( void )
+: m_constBufferSize( 1024 )
+, m_pStdin( nullptr )
+, m_pCmdBuffer( nullptr )
+, m_pStdinBuffer( nullptr )
+, m_nBytesToBeRead( 0 )
+, m_bRunningInConsoleWin( false )
+{
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: CMICmnStreamStdinWindows destructor.
+// Type: Overridable.
+// Args: None.
+// Return: None.
+// Throws: None.
+//--
+CMICmnStreamStdinWindows::~CMICmnStreamStdinWindows( void )
+{
+ Shutdown();
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: Initialize resources for *this Stdin stream.
+// Type: Method.
+// Args: None.
+// Return: MIstatus::success - Functional succeeded.
+// MIstatus::failure - Functional failed.
+// Throws: None.
+//--
+bool CMICmnStreamStdinWindows::Initialize( void )
+{
+ if( m_bInitialized )
+ return MIstatus::success;
+
+ bool bOk = MIstatus::success;
+ CMIUtilString errMsg;
+
+ // Note initialisation order is important here as some resources depend on previous
+ MI::ModuleInit< CMICmnLog > ( IDS_MI_INIT_ERR_LOG , bOk, errMsg );
+ MI::ModuleInit< CMICmnResources >( IDS_MI_INIT_ERR_RESOURCES, bOk, errMsg );
+
+ // Other resources required
+ if( bOk )
+ {
+ m_pCmdBuffer = new MIchar[ m_constBufferSize ];
+ m_pStdin = stdin;
+
+#if MICONFIG_CREATE_OWN_STDIN_BUFFER
+ // Give stdinput a user defined buffer
+ m_pStdinBuffer = new char[ 1024 ];
+ ::setbuf( stdin, m_pStdinBuffer );
+#endif // MICONFIG_CREATE_OWN_STDIN_BUFFER
+
+ // Clear error indicators for std input
+ ::clearerr( stdin );
+
+#if defined( _MSC_VER )
+ m_bRunningInConsoleWin = ::_isatty( ::fileno( stdin ) );
+#endif // #if defined( _MSC_VER )
+ }
+
+ m_bInitialized = bOk;
+
+ if( !bOk )
+ {
+ CMIUtilString strInitError( CMIUtilString::Format( MIRSRC( IDS_MI_INIT_ERR_OS_STDIN_HANDLER ), errMsg.c_str() ) );
+ SetErrorDescription( strInitError );
+ return MIstatus::failure;
+ }
+
+ return MIstatus::success;
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: Release resources for *this Stdin stream.
+// Type: Method.
+// Args: None.
+// Return: MIstatus::success - Functional succeeded.
+// MIstatus::failure - Functional failed.
+// Throws: None.
+//--
+bool CMICmnStreamStdinWindows::Shutdown( void )
+{
+ if( !m_bInitialized )
+ return MIstatus::success;
+
+ m_bInitialized = false;
+
+ ClrErrorDescription();
+
+ bool bOk = MIstatus::success;
+ CMIUtilString errMsg;
+
+ // Tidy up
+ if( m_pCmdBuffer != nullptr )
+ {
+ delete [] m_pCmdBuffer;
+ m_pCmdBuffer = nullptr;
+ }
+ m_pStdin = nullptr;
+
+#if MICONFIG_CREATE_OWN_STDIN_BUFFER
+ if ( m_pStdinBuffer )
+ delete [] m_pStdinBuffer;
+ m_pStdinBuffer = nullptr;
+#endif // MICONFIG_CREATE_OWN_STDIN_BUFFER
+
+ // Note shutdown order is important here
+ MI::ModuleShutdown< CMICmnResources >( IDS_MI_INIT_ERR_RESOURCES, bOk, errMsg );
+ MI::ModuleShutdown< CMICmnLog > ( IDS_MI_INIT_ERR_LOG , bOk, errMsg );
+
+ if( !bOk )
+ {
+ SetErrorDescriptionn( MIRSRC( IDS_MI_SHTDWN_ERR_OS_STDIN_HANDLER ), errMsg.c_str() );
+ }
+
+ return MIstatus::success;
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: Determine if stdin has any characters present in its buffer.
+// Type: Method.
+// Args: vwbAvail - (W) True = There is chars available, false = nothing there.
+// Return: MIstatus::success - Functional succeeded.
+// MIstatus::failure - Functional failed.
+// Throws: None.
+//--
+bool CMICmnStreamStdinWindows::InputAvailable( bool & vwbAvail )
+{
+ return m_bRunningInConsoleWin ? InputAvailableConsoleWin( vwbAvail ) : InputAvailableApplication( vwbAvail );
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: Determine if stdin has any characters present in its buffer. If running in a
+// terminal use _kbhit().
+// Type: Method.
+// Args: vwbAvail - (W) True = There is chars available, false = nothing there.
+// Return: MIstatus::success - Functional succeeded.
+// MIstatus::failure - Functional failed.
+// Throws: None.
+//--
+bool CMICmnStreamStdinWindows::InputAvailableConsoleWin( bool & vwbAvail )
+{
+#if defined( _MSC_VER )
+ if( m_nBytesToBeRead == 0 )
+ {
+ // Get a windows handle to std input stream
+ HANDLE handle = ::GetStdHandle( STD_INPUT_HANDLE );
+ DWORD nBytesWaiting = ::_kbhit();
+
+ // Save the number of bytes to be read so that we can check if input is available to be read
+ m_nBytesToBeRead = nBytesWaiting;
+
+ // Return state of whether bytes are waiting or not
+ vwbAvail = (nBytesWaiting > 0);
+ }
+#endif // #if defined( _MSC_VER )
+
+ return MIstatus::success;
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: Determine if stdin has any characters present in its buffer.
+// Type: Method.
+// Args: vwbAvail - (W) True = There is chars available, false = nothing there.
+// Return: MIstatus::success - Functional succeeded.
+// MIstatus::failure - Functional failed.
+// Throws: None.
+//--
+bool CMICmnStreamStdinWindows::InputAvailableApplication( bool & vwbAvail )
+{
+ #if defined( _MSC_VER )
+ if( m_nBytesToBeRead == 0 )
+ {
+ // Get a windows handle to std input stream
+ HANDLE handle = ::GetStdHandle( STD_INPUT_HANDLE );
+ DWORD nBytesWaiting = 0;
+
+ // Ask how many bytes are available
+ if( ::PeekNamedPipe( handle, nullptr, 0, nullptr, &nBytesWaiting, nullptr ) == FALSE )
+ {
+ // This can occur when the client i.e. Eclipse closes the stdin stream 'cause it deems its work is finished
+ // for that debug session. May be we should be handling SIGKILL somehow?
+ const CMIUtilString osErrMsg( CMIUtilSystemWindows().GetOSLastError().StripCRAll() );
+ SetErrorDescription( CMIUtilString::Format( MIRSRC( IDS_STDIN_ERR_CHKING_BYTE_AVAILABLE ), osErrMsg.c_str() ) );
+ return MIstatus::failure;
+ }
+
+ // Save the number of bytes to be read so that we can check if input is available to be read
+ m_nBytesToBeRead = nBytesWaiting;
+
+ // Return state of whether bytes are waiting or not
+ vwbAvail = (nBytesWaiting > 0);
+ }
+#endif // #if defined( _MSC_VER )
+
+ return MIstatus::success;
+}
+
+//++ ------------------------------------------------------------------------------------
+// Details: Wait on new line of data from stdin stream (completed by '\n' or '\r').
+// Type: Method.
+// Args: vwErrMsg - (W) Empty string ok or error description.
+// Return: MIchar * - text buffer pointer or NULL on failure.
+// Throws: None.
+//--
+const MIchar * CMICmnStreamStdinWindows::ReadLine( CMIUtilString & vwErrMsg )
+{
+ vwErrMsg.clear();
+
+ // Read user input
+ const MIchar * pText = ::fgets( &m_pCmdBuffer[ 0 ], m_constBufferSize, stdin );
+ if( pText == nullptr )
+ {
+ if( ::ferror( m_pStdin ) != 0 )
+ vwErrMsg = ::strerror( errno );
+ return nullptr;
+ }
+
+ // Subtract the number of bytes read so that we can check if input is available to be read
+ m_nBytesToBeRead = m_nBytesToBeRead - ::strlen( pText );
+
+ // Strip off new line characters
+ for( MIchar * pI = m_pCmdBuffer; *pI != '\0'; pI++ )
+ {
+ if( (*pI == '\n') || (*pI == '\r') )
+ {
+ *pI = '\0';
+ break;
+ }
+ }
+
+ return pText;
+} \ No newline at end of file