icinga2/lib/base/exception.cpp

68 lines
2.6 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "i2-base.h"
using namespace icinga;
boost::thread_specific_ptr<StackTrace> Exception::m_LastStackTrace;
#if !defined(_WIN32) && !defined(__APPLE__)
extern "C"
void __cxa_throw(void *obj, void *pvtinfo, void (*dest)(void *))
{
typedef void (*cxa_throw_fn)(void *, void *, void (*) (void *)) __attribute__((noreturn));
static cxa_throw_fn real_cxa_throw;
if (real_cxa_throw == 0)
real_cxa_throw = (cxa_throw_fn)dlsym(RTLD_NEXT, "__cxa_throw");
void *thrown_ptr = obj;
const type_info *tinfo = static_cast<type_info *>(pvtinfo);
const type_info *boost_exc = &typeid(boost::exception);
/* Check if the exception is a pointer type. */
if (tinfo->__is_pointer_p())
thrown_ptr = *(void **)thrown_ptr;
StackTrace trace;
Exception::SetLastStackTrace(trace);
/* Check if thrown_ptr inherits from boost::exception. */
if (boost_exc->__do_catch(tinfo, &thrown_ptr, 1)) {
boost::exception *ex = (boost::exception *)thrown_ptr;
*ex << StackTraceErrorInfo(trace);
}
real_cxa_throw(obj, pvtinfo, dest);
}
#endif /* !_WIN32 && !__APPLE__ */
StackTrace *Exception::GetLastStackTrace(void)
{
return m_LastStackTrace.get();
}
void Exception::SetLastStackTrace(const StackTrace& trace)
{
m_LastStackTrace.reset(new StackTrace(trace));
}