Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 133 insertions, 0 deletions

diff --git a/sal/osl/w32/signal.cxx b/sal/osl/w32/signal.cxx
new file mode 100644
index 000000000..dcb05beae
--- /dev/null
+++ b/sal/osl/w32/signal.cxx
@@ -0,0 +1,133 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <stdlib.h>
+
+#include <config_features.h>
+
+#include <signalshared.hxx>
+
+#include <systools/win32/uwinapi.h>
+#include <errorrep.h>
+#include <werapi.h>
+
+namespace
+{
+long WINAPI signalHandlerFunction(LPEXCEPTION_POINTERS lpEP);
+
+LPTOP_LEVEL_EXCEPTION_FILTER pPreviousHandler = nullptr;
+}
+
+bool onInitSignal()
+{
+    pPreviousHandler = SetUnhandledExceptionFilter(signalHandlerFunction);
+
+    WerAddExcludedApplication(L"SOFFICE.EXE", FALSE);
+
+    return true;
+}
+
+bool onDeInitSignal()
+{
+    SetUnhandledExceptionFilter(pPreviousHandler);
+
+    return false;
+}
+
+namespace
+{
+/* magic Microsoft C++ compiler exception constant */
+#define EXCEPTION_MSC_CPP_EXCEPTION 0xe06d7363
+
+long WINAPI signalHandlerFunction(LPEXCEPTION_POINTERS lpEP)
+{
+#if HAVE_FEATURE_BREAKPAD
+    // we should make sure to call the breakpad handler as
+    // first step when we hit a problem
+    if (pPreviousHandler)
+        pPreviousHandler(lpEP);
+#endif
+
+    static bool bNested = false;
+
+    oslSignalInfo info;
+
+    info.UserSignal = lpEP->ExceptionRecord->ExceptionCode;
+    info.UserData = nullptr;
+
+    switch (lpEP->ExceptionRecord->ExceptionCode)
+    {
+        /* Transform unhandled exceptions into access violations.
+           Microsoft C++ compiler (add more for other compilers if necessary).
+         */
+        case EXCEPTION_MSC_CPP_EXCEPTION:
+        case EXCEPTION_ACCESS_VIOLATION:
+            info.Signal = osl_Signal_AccessViolation;
+            break;
+
+        case EXCEPTION_INT_DIVIDE_BY_ZERO:
+            info.Signal = osl_Signal_IntegerDivideByZero;
+            break;
+
+        case EXCEPTION_FLT_DIVIDE_BY_ZERO:
+            info.Signal = osl_Signal_FloatDivideByZero;
+            break;
+
+        case EXCEPTION_BREAKPOINT:
+            info.Signal = osl_Signal_DebugBreak;
+            break;
+
+        default:
+            info.Signal = osl_Signal_System;
+            break;
+    }
+
+    oslSignalAction action;
+
+    if (!bNested)
+    {
+        bNested = true;
+        action = callSignalHandler(&info);
+    }
+    else
+        action = osl_Signal_ActKillApp;
+
+    switch (action)
+    {
+        case osl_Signal_ActCallNextHdl:
+            return EXCEPTION_CONTINUE_SEARCH;
+
+        case osl_Signal_ActAbortApp:
+            return EXCEPTION_EXECUTE_HANDLER;
+
+        case osl_Signal_ActKillApp:
+            SetErrorMode(SEM_NOGPFAULTERRORBOX);
+            exit(255);
+            break;
+        default:
+            break;
+    }
+
+    return EXCEPTION_CONTINUE_EXECUTION;
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */