// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
-#include <OSD.ixx>
-#ifndef _WIN32
+#include <OSD.hxx>
+#include <OSD_Exception_CTRL_BREAK.hxx>
+#include <Standard_DivideByZero.hxx>
+#include <Standard_Overflow.hxx>
+
+#ifdef _WIN32
+//---------------------------- Windows NT System --------------------------------
+
+#ifdef NOUSER
+#undef NOUSER
+#endif
+#ifdef NONLS
+#undef NONLS
+#endif
+#include <windows.h>
+
+#include <Strsafe.h>
+
+#ifndef STATUS_FLOAT_MULTIPLE_FAULTS
+ // <ntstatus.h>
+ #define STATUS_FLOAT_MULTIPLE_FAULTS (0xC00002B4L)
+ #define STATUS_FLOAT_MULTIPLE_TRAPS (0xC00002B5L)
+#endif
+
+#include <OSD_Exception_ACCESS_VIOLATION.hxx>
+#include <OSD_Exception_ARRAY_BOUNDS_EXCEEDED.hxx>
+#include <OSD_Exception_ILLEGAL_INSTRUCTION.hxx>
+#include <OSD_Exception_IN_PAGE_ERROR.hxx>
+#include <OSD_Exception_INT_DIVIDE_BY_ZERO.hxx>
+#include <OSD_Exception_INT_OVERFLOW.hxx>
+#include <OSD_Exception_INVALID_DISPOSITION.hxx>
+#include <OSD_Exception_NONCONTINUABLE_EXCEPTION.hxx>
+#include <OSD_Exception_PRIV_INSTRUCTION.hxx>
+#include <OSD_Exception_STACK_OVERFLOW.hxx>
+#include <OSD_Exception_STATUS_NO_MEMORY.hxx>
+
+#include <OSD_Environment.hxx>
+#include <Standard_Underflow.hxx>
+#include <Standard_ProgramError.hxx>
+#include <Standard_Mutex.hxx>
+
+#include <OSD_WNT.hxx>
+
+#ifdef _MSC_VER
+#include <eh.h>
+#include <malloc.h>
+#endif
+
+#include <process.h>
+#include <signal.h>
+#include <float.h>
+
+static Standard_Boolean fCtrlBrk;
+
+static Standard_Boolean fMsgBox;
+static Standard_Boolean fFltExceptions;
+
+// used to forbid simultaneous execution of setting / executing handlers
+static Standard_Mutex THE_SIGNAL_MUTEX;
+
+static LONG __fastcall _osd_raise ( DWORD, LPSTR );
+static BOOL WINAPI _osd_ctrl_break_handler ( DWORD );
+
+#if ! defined(OCCT_UWP) && !defined(__MINGW32__) && !defined(__CYGWIN32__)
+static Standard_Boolean fDbgLoaded;
+static LONG _osd_debug ( void );
+#endif
+
+//# define _OSD_FPX ( _EM_INVALID | _EM_DENORMAL | _EM_ZERODIVIDE | _EM_OVERFLOW | _EM_UNDERFLOW )
+# define _OSD_FPX ( _EM_INVALID | _EM_DENORMAL | _EM_ZERODIVIDE | _EM_OVERFLOW )
+
+#ifdef OCC_CONVERT_SIGNALS
+#define THROW_OR_JUMP(Type,Message) Type::NewInstance(Message)->Jump()
+#else
+#define THROW_OR_JUMP(Type,Message) throw Type(Message)
+#endif
+
+//=======================================================================
+//function : CallHandler
+//purpose :
+//=======================================================================
+static LONG CallHandler (DWORD dwExceptionCode,
+ ptrdiff_t ExceptionInformation1,
+ ptrdiff_t ExceptionInformation0)
+{
+ Standard_Mutex::Sentry aSentry (THE_SIGNAL_MUTEX); // lock the mutex to prevent simultaneous handling
+
+ static wchar_t buffer[2048];
+
+ int flterr = 0;
+
+ buffer[0] = '\0' ;
+
+// cout << "CallHandler " << dwExceptionCode << endl ;
+ switch ( dwExceptionCode ) {
+ case EXCEPTION_FLT_DENORMAL_OPERAND:
+// cout << "CallHandler : EXCEPTION_FLT_DENORMAL_OPERAND:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"FLT DENORMAL OPERAND");
+ flterr = 1 ;
+ break ;
+ case EXCEPTION_FLT_DIVIDE_BY_ZERO:
+// cout << "CallHandler : EXCEPTION_FLT_DIVIDE_BY_ZERO:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"FLT DIVIDE BY ZERO");
+ flterr = 1 ;
+ break ;
+ case EXCEPTION_FLT_INEXACT_RESULT:
+// cout << "CallHandler : EXCEPTION_FLT_INEXACT_RESULT:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"FLT INEXACT RESULT");
+ flterr = 1 ;
+ break ;
+ case EXCEPTION_FLT_INVALID_OPERATION:
+// cout << "CallHandler : EXCEPTION_FLT_INVALID_OPERATION:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"FLT INVALID OPERATION");
+ flterr = 1 ;
+ break ;
+ case EXCEPTION_FLT_OVERFLOW:
+// cout << "CallHandler : EXCEPTION_FLT_OVERFLOW:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"FLT OVERFLOW");
+ flterr = 1 ;
+ break ;
+ case EXCEPTION_FLT_STACK_CHECK:
+// cout << "CallHandler : EXCEPTION_FLT_STACK_CHECK:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"FLT STACK CHECK");
+ flterr = 1 ;
+ break ;
+ case EXCEPTION_FLT_UNDERFLOW:
+// cout << "CallHandler : EXCEPTION_FLT_UNDERFLOW:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"FLT UNDERFLOW");
+ flterr = 1 ;
+ break ;
+ case STATUS_FLOAT_MULTIPLE_TRAPS:
+// cout << "CallHandler : EXCEPTION_FLT_UNDERFLOW:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"FLT MULTIPLE TRAPS (possible overflow in conversion of double to integer)");
+ flterr = 1 ;
+ break ;
+ case STATUS_FLOAT_MULTIPLE_FAULTS:
+// cout << "CallHandler : EXCEPTION_FLT_UNDERFLOW:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"FLT MULTIPLE FAULTS");
+ flterr = 1 ;
+ break ;
+ case STATUS_NO_MEMORY:
+// cout << "CallHandler : STATUS_NO_MEMORY:" << endl ;
+ THROW_OR_JUMP (OSD_Exception_STATUS_NO_MEMORY, "MEMORY ALLOCATION ERROR ( no room in the process heap )");
+ break;
+ case EXCEPTION_ACCESS_VIOLATION:
+// cout << "CallHandler : EXCEPTION_ACCESS_VIOLATION:" << endl ;
+ StringCchPrintfW (buffer, _countof(buffer), L"%s%s%s0x%.8p%s%s%s", L"ACCESS VIOLATION",
+ fMsgBox ? L"\n" : L" ", L"at address ",
+ ExceptionInformation1 ,
+ L" during '",
+ ExceptionInformation0 ? L"WRITE" : L"READ",
+ L"' operation");
+ break;
+ case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
+// cout << "CallHandler : EXCEPTION_ARRAY_BOUNDS_EXCEEDED:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"ARRAY BOUNDS EXCEEDED");
+ break;
+ case EXCEPTION_DATATYPE_MISALIGNMENT:
+// cout << "CallHandler : EXCEPTION_DATATYPE_MISALIGNMENT:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"DATATYPE MISALIGNMENT");
+ break;
+
+ case EXCEPTION_ILLEGAL_INSTRUCTION:
+// cout << "CallHandler : EXCEPTION_ILLEGAL_INSTRUCTION:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"ILLEGAL INSTRUCTION");
+ break;
+
+ case EXCEPTION_IN_PAGE_ERROR:
+// cout << "CallHandler : EXCEPTION_IN_PAGE_ERROR:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"IN_PAGE ERROR");
+ break;
+
+ case EXCEPTION_INT_DIVIDE_BY_ZERO:
+// cout << "CallHandler : EXCEPTION_INT_DIVIDE_BY_ZERO:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"INTEGER DIVISION BY ZERO");
+ break;
+
+ case EXCEPTION_INT_OVERFLOW:
+// cout << "CallHandler : EXCEPTION_INT_OVERFLOW:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"INTEGER OVERFLOW");
+ break;
+
+ case EXCEPTION_INVALID_DISPOSITION:
+// cout << "CallHandler : EXCEPTION_INVALID_DISPOSITION:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"INVALID DISPOSITION");
+ break;
+
+ case EXCEPTION_NONCONTINUABLE_EXCEPTION:
+// cout << "CallHandler : EXCEPTION_NONCONTINUABLE_EXCEPTION:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"NONCONTINUABLE EXCEPTION");
+ break;
+
+ case EXCEPTION_PRIV_INSTRUCTION:
+// cout << "CallHandler : EXCEPTION_PRIV_INSTRUCTION:" << endl ;
+ StringCchCopyW (buffer, _countof(buffer), L"PRIVELEGED INSTRUCTION ENCOUNTERED");
+ break;
+
+ case EXCEPTION_STACK_OVERFLOW:
+// cout << "CallHandler : EXCEPTION_STACK_OVERFLOW:" << endl ;
+#if defined( _MSC_VER ) && ( _MSC_VER >= 1300 ) && !defined(OCCT_UWP)
+ // try recovering from stack overflow: available in MS VC++ 7.0
+ if (!_resetstkoflw())
+ StringCchCopyW (buffer, _countof(buffer), L"Unrecoverable STACK OVERFLOW");
+ else
+#endif
+ StringCchCopyW (buffer, _countof(buffer), L"STACK OVERFLOW");
+ break;
+
+ default:
+ StringCchPrintfW (buffer, _countof(buffer), L"unknown exception code 0x%x, params 0x%p 0x%p",
+ dwExceptionCode, ExceptionInformation1, ExceptionInformation0 );
+
+ } // end switch
+
+ // provide message to the user with possibility to stop
+ size_t idx;
+ StringCchLengthW (buffer, _countof(buffer),&idx);
+ if ( idx && fMsgBox && dwExceptionCode != EXCEPTION_NONCONTINUABLE_EXCEPTION ) {
+ // reset FP operations before message box, otherwise it may fail to show up
+ _fpreset();
+ _clearfp();
+
+#if ! defined(OCCT_UWP) && !defined(__MINGW32__) && !defined(__CYGWIN32__)
+ MessageBeep ( MB_ICONHAND );
+ int aChoice = ::MessageBoxW (0, buffer, L"OCCT Exception Handler", MB_ABORTRETRYIGNORE | MB_ICONSTOP);
+ if (aChoice == IDRETRY)
+ {
+ _osd_debug();
+ DebugBreak();
+ } else if (aChoice == IDABORT)
+ exit(0xFFFF);
+#endif
+ }
+
+ // reset FPE state
+ if ( flterr ) {
+ if ( !fFltExceptions ) return EXCEPTION_EXECUTE_HANDLER;
+ _fpreset () ;
+ _clearfp() ;
+ _controlfp ( 0, _OSD_FPX ) ; // JR add :
+// cout << "OSD::WntHandler _controlfp( 0, _OSD_FPX ) " << hex << _controlfp(0,0) << dec << endl ;
+ }
+
+ char aBufferA[2048];
+ WideCharToMultiByte(CP_UTF8, 0, buffer, -1, aBufferA, sizeof(aBufferA), NULL, NULL);
+ return _osd_raise(dwExceptionCode, aBufferA);
+}
+
+//=======================================================================
+//function : SIGWntHandler
+//purpose : Will only be used if user calls ::raise() function with
+// signal type set in OSD::SetSignal() - SIGSEGV, SIGFPE, SIGILL
+// (the latter will likely be removed in the future)
+//=======================================================================
+static void SIGWntHandler (int signum, int sub_code)
+{
+ Standard_Mutex::Sentry aSentry (THE_SIGNAL_MUTEX); // lock the mutex to prevent simultaneous handling
+ switch( signum ) {
+ case SIGFPE :
+ if ( signal( signum , (void(*)(int))SIGWntHandler ) == SIG_ERR )
+ cout << "signal error" << endl ;
+ switch( sub_code ) {
+ case _FPE_INVALID :
+ CallHandler( EXCEPTION_FLT_INVALID_OPERATION ,0,0) ;
+ break ;
+ case _FPE_DENORMAL :
+ CallHandler( EXCEPTION_FLT_DENORMAL_OPERAND ,0,0) ;
+ break ;
+ case _FPE_ZERODIVIDE :
+ CallHandler( EXCEPTION_FLT_DIVIDE_BY_ZERO ,0,0) ;
+ break ;
+ case _FPE_OVERFLOW :
+ CallHandler( EXCEPTION_FLT_OVERFLOW ,0,0) ;
+ break ;
+ case _FPE_UNDERFLOW :
+ CallHandler( EXCEPTION_FLT_UNDERFLOW ,0,0) ;
+ break ;
+ case _FPE_INEXACT :
+ CallHandler( EXCEPTION_FLT_INEXACT_RESULT ,0,0) ;
+ break ;
+ default:
+ cout << "SIGWntHandler(default) -> throw Standard_NumericError(\"Floating Point Error\");" << endl;
+ THROW_OR_JUMP (Standard_NumericError, "Floating Point Error");
+ break ;
+ }
+ break ;
+ case SIGSEGV :
+ if ( signal( signum, (void(*)(int))SIGWntHandler ) == SIG_ERR )
+ cout << "signal error" << endl ;
+ CallHandler( EXCEPTION_ACCESS_VIOLATION ,0,0) ;
+ break ;
+ case SIGILL :
+ if ( signal( signum, (void(*)(int))SIGWntHandler ) == SIG_ERR )
+ cout << "signal error" << endl ;
+ CallHandler( EXCEPTION_ILLEGAL_INSTRUCTION ,0,0) ;
+ break ;
+ default:
+ cout << "SIGWntHandler unexpected signal : " << signum << endl ;
+ break ;
+ }
+#ifndef OCCT_UWP
+ DebugBreak ();
+#endif
+}
+
+//=======================================================================
+//function : TranslateSE
+//purpose : Translate Structural Exceptions into C++ exceptions
+// Will be used when user's code is compiled with /EHa option
+//=======================================================================
+#ifdef _MSC_VER
+// If this file compiled with the default MSVC options for exception
+// handling (/GX or /EHsc) then the following warning is issued:
+// warning C4535: calling _set_se_translator() requires /EHa
+// However it is correctly inserted and used when user's code compiled with /EHa.
+// So, here we disable the warning.
+#pragma warning (disable:4535)
+
+static void TranslateSE( unsigned int theCode, EXCEPTION_POINTERS* theExcPtr )
+{
+ Standard_Mutex::Sentry aSentry (THE_SIGNAL_MUTEX); // lock the mutex to prevent simultaneous handling
+ ptrdiff_t info1 = 0, info0 = 0;
+ if ( theExcPtr ) {
+ info1 = theExcPtr->ExceptionRecord->ExceptionInformation[1];
+ info0 = theExcPtr->ExceptionRecord->ExceptionInformation[0];
+ }
+ CallHandler(theCode, info1, info0);
+}
+#endif
+
+//=======================================================================
+//function : WntHandler
+//purpose : Will be used when user's code is compiled with /EHs
+// option and unless user sets his own exception handler with
+// ::SetUnhandledExceptionFilter().
+//=======================================================================
+static LONG WINAPI WntHandler (EXCEPTION_POINTERS *lpXP)
+{
+ DWORD dwExceptionCode = lpXP->ExceptionRecord->ExceptionCode;
+
+ return CallHandler (dwExceptionCode,
+ lpXP->ExceptionRecord->ExceptionInformation[1],
+ lpXP->ExceptionRecord->ExceptionInformation[0]);
+}
+
+//=======================================================================
+//function : SetSignal
+//purpose :
+//=======================================================================
+void OSD::SetSignal (const Standard_Boolean theFloatingSignal)
+{
+ Standard_Mutex::Sentry aSentry (THE_SIGNAL_MUTEX); // lock the mutex to prevent simultaneous handling
+#if !defined(OCCT_UWP) || defined(NTDDI_WIN10_TH2)
+ OSD_Environment env ("CSF_DEBUG_MODE");
+ TCollection_AsciiString val = env.Value();
+ if (!env.Failed())
+ {
+ cout << "Environment variable CSF_DEBUG_MODE setted.\n";
+ fMsgBox = Standard_True;
+ }
+ else
+ {
+ fMsgBox = Standard_False;
+ }
+
+ // Set exception handler (ignored when running under debugger). It will be used in most cases
+ // when user's code is compiled with /EHs
+ // Replaces the existing top-level exception filter for all existing and all future threads
+ // in the calling process
+ ::SetUnhandledExceptionFilter (/*(LPTOP_LEVEL_EXCEPTION_FILTER)*/ WntHandler);
+#endif // NTDDI_WIN10_TH2
+
+ // Signal handlers will only be used when the method ::raise() will be used
+ // Handlers must be set for every thread
+ if (signal (SIGSEGV, (void(*)(int))SIGWntHandler) == SIG_ERR)
+ cout << "signal(OSD::SetSignal) error\n";
+ if (signal (SIGFPE, (void(*)(int))SIGWntHandler) == SIG_ERR)
+ cout << "signal(OSD::SetSignal) error\n";
+ if (signal (SIGILL, (void(*)(int))SIGWntHandler) == SIG_ERR)
+ cout << "signal(OSD::SetSignal) error\n";
+
+ // Set Ctrl-C and Ctrl-Break handler
+ fCtrlBrk = Standard_False;
+#ifndef OCCT_UWP
+ SetConsoleCtrlHandler (&_osd_ctrl_break_handler, TRUE);
+#endif
+#ifdef _MSC_VER
+// _se_translator_function pOldSeFunc =
+ _set_se_translator (TranslateSE);
+#endif
+
+ fFltExceptions = theFloatingSignal;
+ if (theFloatingSignal)
+ {
+ _controlfp (0, _OSD_FPX); // JR add :
+ }
+ else {
+ _controlfp (_OSD_FPX, _OSD_FPX); // JR add :
+ }
+} // end OSD :: SetSignal
+
+//============================================================================
+//==== ControlBreak
+//============================================================================
+void OSD::ControlBreak () {
+ if ( fCtrlBrk ) {
+ fCtrlBrk = Standard_False;
+ throw OSD_Exception_CTRL_BREAK ( "*** INTERRUPT ***" );
+ }
+} // end OSD :: ControlBreak
+
+#ifndef OCCT_UWP
+//============================================================================
+//==== _osd_ctrl_break_handler
+//============================================================================
+static BOOL WINAPI _osd_ctrl_break_handler ( DWORD dwCode ) {
+ if ( dwCode == CTRL_C_EVENT || dwCode == CTRL_BREAK_EVENT ) {
+ MessageBeep ( MB_ICONEXCLAMATION );
+ fCtrlBrk = Standard_True;
+ } else
+ exit ( 254 );
+
+ return TRUE;
+} // end _osd_ctrl_break_handler
+#endif
+
+//============================================================================
+//==== _osd_raise
+//============================================================================
+static LONG __fastcall _osd_raise ( DWORD dwCode, LPSTR msg )
+{
+ if (msg[0] == '\x03') ++msg;
+
+ switch (dwCode)
+ {
+ case EXCEPTION_ACCESS_VIOLATION:
+ THROW_OR_JUMP (OSD_Exception_ACCESS_VIOLATION, msg);
+ break;
+ case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
+ THROW_OR_JUMP (OSD_Exception_ARRAY_BOUNDS_EXCEEDED, msg);
+ break;
+ case EXCEPTION_DATATYPE_MISALIGNMENT:
+ THROW_OR_JUMP (Standard_ProgramError, msg);
+ break;
+ case EXCEPTION_ILLEGAL_INSTRUCTION:
+ THROW_OR_JUMP (OSD_Exception_ILLEGAL_INSTRUCTION, msg);
+ break;
+ case EXCEPTION_IN_PAGE_ERROR:
+ THROW_OR_JUMP (OSD_Exception_IN_PAGE_ERROR, msg);
+ break;
+ case EXCEPTION_INT_DIVIDE_BY_ZERO:
+ THROW_OR_JUMP (Standard_DivideByZero, msg);
+ break;
+ case EXCEPTION_INT_OVERFLOW:
+ THROW_OR_JUMP (OSD_Exception_INT_OVERFLOW, msg);
+ break;
+ case EXCEPTION_INVALID_DISPOSITION:
+ THROW_OR_JUMP (OSD_Exception_INVALID_DISPOSITION, msg);
+ break;
+ case EXCEPTION_NONCONTINUABLE_EXCEPTION:
+ THROW_OR_JUMP (OSD_Exception_NONCONTINUABLE_EXCEPTION, msg);
+ break;
+ case EXCEPTION_PRIV_INSTRUCTION:
+ THROW_OR_JUMP (OSD_Exception_PRIV_INSTRUCTION, msg);
+ break;
+ case EXCEPTION_STACK_OVERFLOW:
+ THROW_OR_JUMP (OSD_Exception_STACK_OVERFLOW, msg);
+ break;
+ case EXCEPTION_FLT_DIVIDE_BY_ZERO:
+ THROW_OR_JUMP (Standard_DivideByZero, msg);
+ break;
+ case EXCEPTION_FLT_STACK_CHECK:
+ case EXCEPTION_FLT_OVERFLOW:
+ THROW_OR_JUMP (Standard_Overflow, msg);
+ break;
+ case EXCEPTION_FLT_UNDERFLOW:
+ THROW_OR_JUMP (Standard_Underflow, msg);
+ break;
+ case EXCEPTION_FLT_INVALID_OPERATION:
+ case EXCEPTION_FLT_DENORMAL_OPERAND:
+ case EXCEPTION_FLT_INEXACT_RESULT:
+ case STATUS_FLOAT_MULTIPLE_TRAPS:
+ case STATUS_FLOAT_MULTIPLE_FAULTS:
+ THROW_OR_JUMP (Standard_NumericError, msg);
+ break;
+ default:
+ break;
+ } // end switch
+ return EXCEPTION_EXECUTE_HANDLER;
+} // end _osd_raise
+
+#if ! defined(OCCT_UWP) && !defined(__MINGW32__) && !defined(__CYGWIN32__)
+//============================================================================
+//==== _osd_debug
+//============================================================================
+LONG _osd_debug ( void ) {
+
+ LONG action ;
+
+ if ( !fDbgLoaded ) {
+
+ HKEY hKey = NULL;
+ HANDLE hEvent = INVALID_HANDLE_VALUE;
+ DWORD dwKeyType;
+ DWORD dwValueLen;
+ TCHAR keyValue[ MAX_PATH ];
+ TCHAR cmdLine[ MAX_PATH ];
+ SECURITY_ATTRIBUTES sa;
+ PROCESS_INFORMATION pi;
+ STARTUPINFO si;
+
+ __try {
+
+ if ( RegOpenKey (
+ HKEY_LOCAL_MACHINE,
+ TEXT( "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug" ),
+ &hKey
+ ) != ERROR_SUCCESS
+ ) __leave;
+
+ dwValueLen = sizeof ( keyValue );
+
+ if ( RegQueryValueEx (
+ hKey, TEXT( "Debugger" ), NULL, &dwKeyType, ( unsigned char* )keyValue, &dwValueLen
+ ) != ERROR_SUCCESS
+ ) __leave;
+
+ sa.nLength = sizeof ( SECURITY_ATTRIBUTES );
+ sa.lpSecurityDescriptor = NULL;
+ sa.bInheritHandle = TRUE;
+
+ if ( ( hEvent = CreateEvent ( &sa, TRUE, FALSE, NULL ) ) == NULL ) __leave;
+
+ StringCchPrintf(cmdLine, _countof(cmdLine), keyValue, GetCurrentProcessId(), hEvent);
+
+ ZeroMemory ( &si, sizeof ( STARTUPINFO ) );
+
+ si.cb = sizeof ( STARTUPINFO );
+ si.dwFlags = STARTF_FORCEONFEEDBACK;
+
+ // cout << "_osd_debug -> CreateProcess" << endl ;
+ if ( !CreateProcess (
+ NULL, cmdLine, NULL, NULL, TRUE, CREATE_DEFAULT_ERROR_MODE,
+ NULL, NULL, &si, &pi
+ )
+ ) __leave;
+
+ // cout << "_osd_debug -> WaitForSingleObject " << endl ;
+ WaitForSingleObject ( hEvent, INFINITE );
+ // cout << "_osd_debug <- WaitForSingleObject -> CloseHandle " << endl ;
+
+ CloseHandle ( pi.hProcess );
+ CloseHandle ( pi.hThread );
+
+ // cout << "_osd_debug fDbgLoaded " << endl ;
+ fDbgLoaded = TRUE;
+
+ } // end __try
+
+ __finally {
+
+// cout << "_osd_debug -> CloseHandle(hKey) " << endl ;
+ if ( hKey != INVALID_HANDLE_VALUE ) CloseHandle ( hKey );
+// cout << "_osd_debug -> CloseHandle(hEvent) " << endl ;
+ if ( hEvent != INVALID_HANDLE_VALUE ) CloseHandle ( hEvent );
+// cout << "_osd_debug end __finally " << endl ;
+
+ } // end __finally
+
+ } /* end if */
+
+ action = fDbgLoaded ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_EXECUTE_HANDLER;
+// cout << "_osd_debug return " << action << " EXCEPTION_CONTINUE_EXECUTION("
+// << EXCEPTION_CONTINUE_EXECUTION << ")" << endl ;
+ return action ;
+
+} // end _osd_debug
+#endif /* ! OCCT_UWP && ! __CYGWIN__ && ! __MINGW32__ */
+
+#else /* ! _WIN32 */
//---------- All Systems except Windows NT : ----------------------------------
#include <OSD_SIGBUS.hxx>
#include <OSD_SIGSEGV.hxx>
#include <OSD_SIGSYS.hxx>
-#include <OSD_Exception_CTRL_BREAK.hxx>
#include <Standard_NumericError.hxx>
-#include <Standard_DivideByZero.hxx>
-#include <Standard_Overflow.hxx>
#include <Standard_ErrorHandler.hxx>
// POSIX threads
#include <pthread.h>
-#ifdef linux
-#include <fenv.h>
+#ifdef __linux__
+#include <cfenv>
+//#include <fenv.h>
static Standard_Boolean fFltExceptions = Standard_False;
#endif
# include <stdlib.h>
# include <stdio.h>
#else
-# ifdef SA_SIGINFO
+# ifdef SA_SIGINFO
# ifndef _AIX
# include <sys/siginfo.h>
# endif
#include <signal.h>
-#if !defined(__ANDROID__)
+#if !defined(__ANDROID__) && !defined(__QNX__)
#include <sys/signal.h>
#endif
-#if defined(HAVE_PTHREAD_H) && defined(NO_CXX_EXCEPTION)
-//============================================================================
-//==== GetOldSigAction
-//==== get previous
-//============================================================================
-
-static struct sigaction *GetOldSigAction()
-{
- static struct sigaction oldSignals[NSIG];
- return oldSignals;
-}
-
-#ifdef SOLARIS
-static sigfpe_handler_type *GetOldFPE()
-{
- static sigfpe_handler_type aIEEEHandler[5] = { NULL, NULL, NULL, NULL, NULL } ;
- return aIEEEHandler;
-}
-#endif
-#endif
-
//============================================================================
//==== Handler
//==== Catche the differents signals:
//==== SIGSEGV is handled by "SegvHandler()"
//============================================================================
#ifdef SA_SIGINFO
-static void Handler (const int theSignal, siginfo_t *theSigInfo, const Standard_Address theContext)
+static void Handler (const int theSignal, siginfo_t */*theSigInfo*/, const Standard_Address /*theContext*/)
#else
static void Handler (const int theSignal)
#endif
perror ("sigaction");
}
- siginfo_t * aSigInfo = NULL;
-#ifdef SA_SIGINFO
- aSigInfo = theSigInfo;
-#endif
-
-#if defined(HAVE_PTHREAD_H) && defined(NO_CXX_EXCEPTION)
- if (pthread_self() != getOCCThread() || !Standard_ErrorHandler::IsInTryBlock()) {
- // use the previous signal handler
- // cout << "OSD::Handler: signal " << (int) theSignal << " occured outside a try block " << endl ;
- struct sigaction *oldSignals = GetOldSigAction();
- struct sigaction asigacthandler = oldSignals[theSignal >= 0 && theSignal < NSIG ? theSignal : 0];
-
- if (asigacthandler.sa_flags & SA_SIGINFO) {
- void (*aCurInfoHandle)(int, siginfo_t *, void *) = asigacthandler.sa_sigaction;
- if (aSigInfo) {
- switch (aSigInfo->si_signo) {
- case SIGFPE:
- {
-#ifdef SOLARIS
- sigfpe_handler_type *aIEEEHandlerTab = GetOldFPE();
- sigfpe_handler_type aIEEEHandler = NULL;
- switch (aSigInfo->si_code) {
- case FPE_INTDIV_TRAP :
- case FPE_FLTDIV_TRAP :
- aIEEEHandler = aIEEEHandlerTab[1];
- break;
- case FPE_INTOVF_TRAP :
- case FPE_FLTOVF_TRAP :
- aIEEEHandler = aIEEEHandlerTab[2];
- break;
- case FPE_FLTUND_TRAP :
- aIEEEHandler = aIEEEHandlerTab[4];
- break;
- case FPE_FLTRES_TRAP :
- aIEEEHandler = aIEEEHandlerTab[3];
- break;
- case FPE_FLTINV_TRAP :
- aIEEEHandler = aIEEEHandlerTab[0];
- break;
- case FPE_FLTSUB_TRAP :
- default:
- break;
- }
- if (aIEEEHandler) {
- // cout << "OSD::Handler: calling previous IEEE signal handler with info" << endl ;
- (*aIEEEHandler) (theSignal, aSigInfo, theContext);
- return;
- }
-#endif
- break;
- }
- default:
- break;
- }
- }
- if (aCurInfoHandle) {
- // cout << "OSD::Handler: calling previous signal handler with info " << aCurInfoHandle << endl ;
- (*aCurInfoHandle) (theSignal, aSigInfo, theContext);
-#ifdef OSD_DEB
- cerr << " previous signal handler return" << endl ;
-#endif
- return;
- }
- else {
- // cout << "OSD::Handler: no handler with info for the signal" << endl;
- }
- }
- else {
- // no siginfo needed for the signal
- void (*aCurHandler) (int) = asigacthandler.sa_handler;
- if(aCurHandler) {
- // cout << "OSD::Handler: calling previous signal handler" << endl ;
- (*aCurHandler) (theSignal);
-#ifdef OSD_DEB
- cerr << " previous signal handler return" << endl ;
-#endif
- return;
- }
- }
- // cout << " Signal occured outside a try block, but no handler for it" <<endl;
- return;
- }
-#endif
-
// cout << "OSD::Handler: signal " << (int) theSignal << " occured inside a try block " << endl ;
if ( ADR_ACT_SIGIO_HANDLER != NULL )
(*ADR_ACT_SIGIO_HANDLER)() ;
-#ifdef linux
+#ifdef __linux__
if (fFltExceptions)
feenableexcept (FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW);
//feenableexcept (FE_INVALID | FE_DIVBYZERO);
sigprocmask(SIG_UNBLOCK, &set, NULL) ;
#ifdef DECOSF1
// Pour DEC/OSF1 SIGFPE = Division par zero.
- // should be clarified why in debug mode only?
-#ifdef DEBUG
Standard_DivideByZero::NewInstance('')->Jump;
-#endif
break;
#endif
#if (!defined (__sun)) && (!defined(SOLARIS))
Standard_DivideByZero::NewInstance("SIGTRAP IntegerDivideByZero")->Jump(); break;
#endif
default:
-#ifdef OSD_DEB
+#ifdef OCCT_DEBUG
cout << "Unexpected signal " << theSignal << endl ;
#endif
break;
siginfo_t *ip,
const Standard_Address theContext)
{
-#ifdef NO_CXX_EXCEPTION
- if (!Standard_ErrorHandler::IsInTryBlock()) {
- Handler(theSignal, ip, theContext);
- return;
- }
-#endif
-#ifdef linux
+ (void)theSignal; // silence GCC warnings
+ (void)theContext;
+
+#ifdef __linux__
if (fFltExceptions)
feenableexcept (FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW);
//feenableexcept (FE_INVALID | FE_DIVBYZERO);
OSD_SIGSEGV::NewInstance(Msg)->Jump();
}
}
-#ifdef OSD_DEB
+#ifdef OCCT_DEBUG
else {
cout << "Wrong undefined address." << endl ;
}
// scp->sc_pcoq_tail = scp->sc_pcoq_tail + 0x4 ; l'intruction suivant le segv.
}
}
-#ifdef OSD_DEB
+#ifdef OCCT_DEBUG
else {
cout << "Wrong undefined address." << endl ;
}
#endif
//============================================================================
-//==== SetSignal
+//==== SetSignal
//==== Set the differents signals:
//============================================================================
-void OSD::SetSignal(const Standard_Boolean aFloatingSignal)
+void OSD::SetSignal(const Standard_Boolean aFloatingSignal)
{
- static int first_time = 3 ;
struct sigaction act, oact;
int stat = 0;
//stat = ieee_handler("set", "inexact", PHandler) || stat;
if (stat) {
-#ifdef OSD_DEB
+#ifdef OCCT_DEBUG
cerr << "ieee_handler does not work !!! KO " << endl;
#endif
}
-#elif defined (linux)
+#elif defined (__linux__)
feenableexcept (FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW);
- //feenableexcept (FE_INVALID | FE_DIVBYZERO);
fFltExceptions = Standard_True;
#endif
}
- else if ( first_time & 1 ) {
-// cout << "SetSignal( Standard_False ) is not implemented..." << endl ;
- first_time = first_time & (~ 1) ;
+ else
+ {
+#if defined (__linux__)
+ fedisableexcept (FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW);
+ fFltExceptions = Standard_False;
+#endif
}
#if defined (sgi) || defined (IRIX )
- if ( first_time & 2 ) {
- char *TRAP_FPE = getenv("TRAP_FPE") ;
- if ( TRAP_FPE == NULL ) {
-#ifdef OSD_DEB
- cout << "On SGI you must set TRAP_FPE environment variable : " << endl ;
- cout << "set env(TRAP_FPE) \"UNDERFL=FLUSH_ZERO;OVERFL=DEFAULT;DIVZERO=DEFAULT;INT_OVERFL=DEFAULT\" or" << endl ;
- cout << "setenv TRAP_FPE \"UNDERFL=FLUSH_ZERO;OVERFL=DEFAULT;DIVZERO=DEFAULT;INT_OVERFL=DEFAULT\"" << endl ;
-#endif
-// exit(1) ;
- first_time = first_time & (~ 2) ;
- }
+ char *TRAP_FPE = getenv("TRAP_FPE") ;
+ if ( TRAP_FPE == NULL ) {
+#ifdef OCCT_DEBUG
+ cout << "On SGI you must set TRAP_FPE environment variable : " << endl ;
+ cout << "set env(TRAP_FPE) \"UNDERFL=FLUSH_ZERO;OVERFL=DEFAULT;DIVZERO=DEFAULT;INT_OVERFL=DEFAULT\" or" << endl ;
+ cout << "setenv TRAP_FPE \"UNDERFL=FLUSH_ZERO;OVERFL=DEFAULT;DIVZERO=DEFAULT;INT_OVERFL=DEFAULT\"" << endl ;
+#endif
}
#endif
#endif
//==== Always detected the signal "SIGFPE" =================================
- stat = sigaction(SIGFPE,&act,&oact); // ...... floating point exception
+ stat = sigaction(SIGFPE,&act,&oact); // ...... floating point exception
if (stat) {
-#ifdef OSD_DEB
+#ifdef OCCT_DEBUG
cerr << "sigaction does not work !!! KO " << endl;
#endif
perror("sigaction ");
}
//==== Detected the only the "free" signals ================================
- sigaction(SIGHUP,&act,&oact); // ...... hangup
+ sigaction(SIGHUP,&act,&oact); // ...... hangup
#ifdef OBJS
- if(oact.sa_handler)
+ if(oact.sa_handler)
sigaction(SIGHUP,&oact,&oact);
#endif
- sigaction(SIGINT,&act,&oact); // ...... interrupt
+ sigaction(SIGINT,&act,&oact); // ...... interrupt
#ifdef OBJS
- if(oact.sa_handler)
+ if(oact.sa_handler)
sigaction(SIGINT,&oact,&oact);
#endif
-
+
sigaction(SIGQUIT,&act,&oact); // ...... quit
#ifdef OBJS
- if(oact.sa_handler)
+ if(oact.sa_handler)
sigaction(SIGQUIT,&oact,&oact);
#endif
- sigaction(SIGILL,&act,&oact); // ...... illegal instruction
+ sigaction(SIGILL,&act,&oact); // ...... illegal instruction
#ifdef OBJS
- if(oact.sa_handler)
+ if(oact.sa_handler)
sigaction(SIGILL,&oact,&oact);
#endif
- sigaction(SIGBUS,&act,&oact); // ...... bus error
+ sigaction(SIGBUS,&act,&oact); // ...... bus error
#ifdef OBJS
- if(oact.sa_handler)
+ if(oact.sa_handler)
sigaction(SIGBUS,&oact,&oact);
#endif
-#if (!defined (linux)) && (!defined(LININTEL))
+#if !defined(__linux__)
sigaction(SIGSYS,&act,&oact); // ...... bad argument to system call
# ifdef OBJS
- if(oact.sa_handler)
+ if(oact.sa_handler)
sigaction(SIGSYS,&oact,&oact);
# endif
#endif
sigaction(SIGTRAP,&act,&oact); // Integer Divide By Zero (IRIX)
# ifdef OBJS
- if(oact.sa_handler)
+ if(oact.sa_handler)
sigaction(SIGTRAP,&oact,&oact);
# endif
#endif
perror("OSD::SetSignal sigaction( SIGSEGV , &act , &oact ) ") ;
#ifdef OBJS
- if(oact.sa_handler)
+ if(oact.sa_handler)
sigaction(SIGSEGV,&oact,&oact);
#endif
#if defined(__osf__) || defined(DECOSF1)
action.sa_handler = SIG_IGN;
action.sa_mask = 0;
action.sa_flags = 0;
-
+
if (sigaction (SIGFPE, &action, &prev_action) == -1) {
perror ("sigaction");
exit (1);
}
//============================================================================
-//==== ControlBreak
+//==== ControlBreak
//============================================================================
-void OSD :: ControlBreak ()
+void OSD :: ControlBreak ()
{
if ( fCtrlBrk ) {
fCtrlBrk = Standard_False;
- OSD_Exception_CTRL_BREAK::Raise ("*** INTERRUPT ***");
+ throw OSD_Exception_CTRL_BREAK ("*** INTERRUPT ***");
}
}