3.13

7zip/UI/Console/ConsoleClose.cpp

@@ -0,0 +1,57 @@
+// 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 aCtrlType)
+{
+  g_BreakCounter++;
+  if (g_BreakCounter < kBreakAbortThreshold)
+    return TRUE;
+  return FALSE;
+  /*
+  switch(aCtrlType)
+  {
+    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";
+}
+
+}