InstallExceptionHandler

stepmania/src/arch/ArchHooks/ArchHooks_Unix.cpp

@@ -7,6 +7,7 @@
 #include "archutils/Unix/GetSysInfo.h"
 #include "archutils/Unix/LinuxThreadHelpers.h"
 #include "archutils/Unix/EmergencyShutdown.h"
+#include "archutils/Unix/AssertionHandler.h"
 #include <unistd.h>
 #include "RageUtil.h"
 #include <sys/time.h>
@@ -110,6 +111,8 @@ ArchHooks_Unix::ArchHooks_Unix()
 	 * This might blow up, so be sure to do it after the crash handler. */
 	SignalHandler::OnClose( EmergencyShutdown );
 
+	InstallExceptionHandler();
+	
 #if defined(HAVE_TLS)
 	TestTLS();
 #endif

stepmania/src/archutils/Unix/AssertionHandler.cpp

@@ -44,6 +44,29 @@ extern "C" void __assert_perror_fail( int errnum, const char *file, unsigned int
 #endif
 }
 
+/* Catch unhandled C++ exceptions.  Note that this works in g++ even with -fno-exceptions, in
+ * which case it'll be called if any exceptions are thrown at all. */
+#include <cxxabi.h>
+void UnexpectedExceptionHandler()
+{
+	type_info *pException = abi::__cxa_current_exception_type();
+	char const *pName = pException->name();
+	int iStatus = -1;
+	char *pDem = abi::__cxa_demangle( pName, 0, 0, &iStatus );
+
+	const CString error = ssprintf("Unhandled exception: %s", iStatus? pName:pDem);
+#if defined(CRASH_HANDLER)
+	sm_crash( error );
+#else
+	HandleException( error );
+#endif
+}
+
+void InstallExceptionHandler()
+{
+	set_terminate( UnexpectedExceptionHandler );
+}
+
 /*
  * (c) 2003-2004 Glenn Maynard
  * All rights reserved.

stepmania/src/archutils/Unix/AssertionHandler.h

@@ -0,0 +1,31 @@
+#ifndef ASSERTION_HANDLER_H
+#define ASSERTION_HANDLER_H
+
+void InstallExceptionHandler();
+
+#endif
+
+/*
+ * (c) 2004 Glenn Maynard
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+ * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+ * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */