tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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ConsoleClose.cpp (1339B)

      1 // ConsoleClose.cpp
      2 
      3 #include "StdAfx.h"
      4 
      5 #include "ConsoleClose.h"
      6 
      7 #if !defined(UNDER_CE) && defined(_WIN32)
      8 #include "../../../Common/MyWindows.h"
      9 #endif
     10 
     11 namespace NConsoleClose {
     12 
     13 unsigned g_BreakCounter = 0;
     14 static const unsigned kBreakAbortThreshold = 2;
     15 
     16 #if !defined(UNDER_CE) && defined(_WIN32)
     17 static BOOL WINAPI HandlerRoutine(DWORD ctrlType)
     18 {
     19  if (ctrlType == CTRL_LOGOFF_EVENT)
     20  {
     21    // printf("\nCTRL_LOGOFF_EVENT\n");
     22    return TRUE;
     23  }
     24 
     25  g_BreakCounter++;
     26  if (g_BreakCounter < kBreakAbortThreshold)
     27    return TRUE;
     28  return FALSE;
     29  /*
     30  switch (ctrlType)
     31  {
     32    case CTRL_C_EVENT:
     33    case CTRL_BREAK_EVENT:
     34      if (g_BreakCounter < kBreakAbortThreshold)
     35      return TRUE;
     36  }
     37  return FALSE;
     38  */
     39 }
     40 #endif
     41 
     42 /*
     43 void CheckCtrlBreak()
     44 {
     45  if (TestBreakSignal())
     46    throw CCtrlBreakException();
     47 }
     48 */
     49 
     50 CCtrlHandlerSetter::CCtrlHandlerSetter()
     51 {
     52  #if !defined(UNDER_CE) && defined(_WIN32)
     53  if (!SetConsoleCtrlHandler(HandlerRoutine, TRUE))
     54    throw "SetConsoleCtrlHandler fails";
     55  #endif
     56 }
     57 
     58 CCtrlHandlerSetter::~CCtrlHandlerSetter()
     59 {
     60  #if !defined(UNDER_CE) && defined(_WIN32)
     61  if (!SetConsoleCtrlHandler(HandlerRoutine, FALSE))
     62  {
     63    // warning for throw in destructor.
     64    // throw "SetConsoleCtrlHandler fails";
     65  }
     66  #endif
     67 }
     68 
     69 }