ConsoleClose.cpp revision baa3858d3f5d128a5c8466b700098109edcad5f2 
1// ConsoleClose.cpp
2
3#include "StdAfx.h"
4
5#include "ConsoleClose.h"
6
7static int g_BreakCounter = 0;
8static const int kBreakAbortThreshold = 2;
9
10namespace NConsoleClose {
11
12#if !defined(UNDER_CE) && defined(_WIN32)
13static BOOL WINAPI HandlerRoutine(DWORD ctrlType)
14{
15  if (ctrlType == CTRL_LOGOFF_EVENT)
16  {
17    // printf("\nCTRL_LOGOFF_EVENT\n");
18    return TRUE;
19  }
20
21  g_BreakCounter++;
22  if (g_BreakCounter < kBreakAbortThreshold)
23    return TRUE;
24  return FALSE;
25  /*
26  switch(ctrlType)
27  {
28    case CTRL_C_EVENT:
29    case CTRL_BREAK_EVENT:
30      if (g_BreakCounter < kBreakAbortThreshold)
31      return TRUE;
32  }
33  return FALSE;
34  */
35}
36#endif
37
38bool TestBreakSignal()
39{
40  #ifdef UNDER_CE
41  return false;
42  #else
43  /*
44  if (g_BreakCounter > 0)
45    return true;
46  */
47  return (g_BreakCounter > 0);
48  #endif
49}
50
51void CheckCtrlBreak()
52{
53  if (TestBreakSignal())
54    throw CCtrlBreakException();
55}
56
57CCtrlHandlerSetter::CCtrlHandlerSetter()
58{
59  #if !defined(UNDER_CE) && defined(_WIN32)
60  if(!SetConsoleCtrlHandler(HandlerRoutine, TRUE))
61    throw "SetConsoleCtrlHandler fails";
62  #endif
63}
64
65CCtrlHandlerSetter::~CCtrlHandlerSetter()
66{
67  #if !defined(UNDER_CE) && defined(_WIN32)
68  if(!SetConsoleCtrlHandler(HandlerRoutine, FALSE))
69    throw "SetConsoleCtrlHandler fails";
70  #endif
71}
72
73}
74