Keep only base/extractor.[cc|h].

third_party/lzma/v4_65/files/CPP/7zip/UI/Console/ConsoleClose.cpp

-// ConsoleClose.cpp
-
-#include "StdAfx.h"
-
-#include "ConsoleClose.h"
-
-static int g_BreakCounter = 0;
-static const int kBreakAbortThreshold = 2;
-
-namespace NConsoleClose {
-
-static BOOL WINAPI HandlerRoutine(DWORD ctrlType)
-{
-  if (ctrlType == CTRL_LOGOFF_EVENT)
-  {
-    // printf("\nCTRL_LOGOFF_EVENT\n");
-    return TRUE;
-  }
-
-  g_BreakCounter++;
-  if (g_BreakCounter < kBreakAbortThreshold)
-    return TRUE;
-  return FALSE;
-  /*
-  switch(ctrlType)
-  {
-    case CTRL_C_EVENT:
-    case CTRL_BREAK_EVENT:
-      if (g_BreakCounter < kBreakAbortThreshold)
-      return TRUE;
-  }
-  return FALSE;
-  */
-}
-
-bool TestBreakSignal()
-{
-  /*
-  if (g_BreakCounter > 0)
-    return true;
-  */
-  return (g_BreakCounter > 0);
-}
-
-void CheckCtrlBreak()
-{
-  if (TestBreakSignal())
-    throw CCtrlBreakException();
-}
-
-CCtrlHandlerSetter::CCtrlHandlerSetter()
-{
-  if(!SetConsoleCtrlHandler(HandlerRoutine, TRUE))
-    throw "SetConsoleCtrlHandler fails";
-}
-
-CCtrlHandlerSetter::~CCtrlHandlerSetter()
-{
-  if(!SetConsoleCtrlHandler(HandlerRoutine, FALSE))
-    throw "SetConsoleCtrlHandler fails";
-}
-
-}