source: code/branches/ode/ode-0.9/tests/CppTestHarness/SignalTranslator.h @ 218

#ifndef SIGNAL_TRANSLATOR_H
#define SIGNAL_TRANSLATOR_H

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

namespace CppTestHarness
{

template <int SIGNAL>
class SignalTranslator {
public:
        SignalTranslator()
        {
                //setup new signal handler
                struct sigaction act;
                act.sa_handler = signalHandler;
                sigemptyset(&act.sa_mask);
                act.sa_flags = 0;

                sigaction(SIGNAL, &act, &m_oldAction);

                if (sigsetjmp(getJumpPoint(), 1) != 0)
                {
                        //if signal thrown we will return here from handler
                        throw "Unhandled system exception";
                }
        }

        ~SignalTranslator()
        {
                sigaction(SIGNAL, &m_oldAction, 0);
        }

private:
        static void signalHandler(int signum)
        {
                siglongjmp(getJumpPoint(), signum);
        }

                static sigjmp_buf& getJumpPoint()
                {
                        static sigjmp_buf jmpPnt;
                        return jmpPnt;
                }

        struct sigaction m_oldAction;
};

} //CppTestHarness

#endif //SIGNAL_TRANSLATOR_H