mame/3rdparty/lzma/CPP/7zip/UI/Console/ConsoleClose.cpp

101 lines
1.8 KiB
C++

// ConsoleClose.cpp
#include "StdAfx.h"
#include "ConsoleClose.h"
#ifndef UNDER_CE
#ifdef _WIN32
#include "../../../Common/MyWindows.h"
#else
#include <stdlib.h>
#include <signal.h>
#endif
namespace NConsoleClose {
unsigned g_BreakCounter = 0;
static const unsigned kBreakAbortThreshold = 2;
#ifdef _WIN32
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;
*/
}
CCtrlHandlerSetter::CCtrlHandlerSetter()
{
if (!SetConsoleCtrlHandler(HandlerRoutine, TRUE))
throw "SetConsoleCtrlHandler fails";
}
CCtrlHandlerSetter::~CCtrlHandlerSetter()
{
if (!SetConsoleCtrlHandler(HandlerRoutine, FALSE))
{
// warning for throw in destructor.
// throw "SetConsoleCtrlHandler fails";
}
}
#else // _WIN32
static void HandlerRoutine(int)
{
g_BreakCounter++;
if (g_BreakCounter < kBreakAbortThreshold)
return;
exit(EXIT_FAILURE);
}
CCtrlHandlerSetter::CCtrlHandlerSetter()
{
memo_sig_int = signal(SIGINT, HandlerRoutine); // CTRL-C
if (memo_sig_int == SIG_ERR)
throw "SetConsoleCtrlHandler fails (SIGINT)";
memo_sig_term = signal(SIGTERM, HandlerRoutine); // for kill -15 (before "kill -9")
if (memo_sig_term == SIG_ERR)
throw "SetConsoleCtrlHandler fails (SIGTERM)";
}
CCtrlHandlerSetter::~CCtrlHandlerSetter()
{
signal(SIGINT, memo_sig_int); // CTRL-C
signal(SIGTERM, memo_sig_term); // kill {pid}
}
#endif // _WIN32
/*
void CheckCtrlBreak()
{
if (TestBreakSignal())
throw CCtrlBreakException();
}
*/
}
#endif