/***
* This file is based on or incorporates material from the UnitTest++ r30 open source project.
* Microsoft is not the original author of this code but has modified it and is licensing the code under 
* the MIT License. Microsoft reserves all other rights not expressly granted under the MIT License, 
* whether by implication, estoppel or otherwise. 
*
* UnitTest++ r30 
*
* Copyright (c) 2006 Noel Llopis and Charles Nicholson
* Portions Copyright (c) Microsoft Corporation
*
* All Rights Reserved.
*
* MIT License
*
* 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, sublicense, 
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or 
* substantial portions of the Software.
*
* 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. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
***/

#ifndef UNITTEST_SIGNALTRANSLATOR_H
#define UNITTEST_SIGNALTRANSLATOR_H

#include <setjmp.h>
#include <signal.h>

namespace UnitTest {

class SignalTranslator
{
public:
    SignalTranslator();
    ~SignalTranslator();

    static sigjmp_buf* s_jumpTarget;

    sigjmp_buf m_currentJumpTarget;
    sigjmp_buf* m_oldJumpTarget;

    struct sigaction m_old_SIGFPE_action;
    struct sigaction m_old_SIGTRAP_action;
    struct sigaction m_old_SIGSEGV_action;
    struct sigaction m_old_SIGBUS_action;
    struct sigaction m_old_SIGABRT_action;
    struct sigaction m_old_SIGALRM_action;
};

#if !defined (__GNUC__)
    #define UNITTEST_EXTENSION
#else
    #define UNITTEST_EXTENSION __extension__
#endif

#define UNITTEST_THROW_SIGNALS_POSIX_ONLY \
	UnitTest::SignalTranslator sig;  \
	if (UNITTEST_EXTENSION sigsetjmp(*UnitTest::SignalTranslator::s_jumpTarget, 1) != 0)  \
        throw ("Unhandled system exception"); 

}

#endif