#include "SignalTranslator.h"

namespace UnitTest {

sigjmp_buf* SignalTranslator::s_jumpTarget = 0;

namespace {

void SignalHandler ( int sig ) {
	siglongjmp ( *SignalTranslator::s_jumpTarget, sig );
}

}


SignalTranslator::SignalTranslator() {
	m_oldJumpTarget = s_jumpTarget;
	s_jumpTarget = &m_currentJumpTarget;

	struct sigaction action;
	action.sa_flags = 0;
	action.sa_handler = SignalHandler;
	sigemptyset ( &action.sa_mask );

	sigaction ( SIGSEGV, &action, &m_old_SIGSEGV_action );
	sigaction ( SIGFPE , &action, &m_old_SIGFPE_action );
	sigaction ( SIGTRAP, &action, &m_old_SIGTRAP_action );
	sigaction ( SIGBUS , &action, &m_old_SIGBUS_action );
	sigaction ( SIGILL , &action, &m_old_SIGBUS_action );
}

SignalTranslator::~SignalTranslator() {
	sigaction ( SIGILL , &m_old_SIGBUS_action , 0 );
	sigaction ( SIGBUS , &m_old_SIGBUS_action , 0 );
	sigaction ( SIGTRAP, &m_old_SIGTRAP_action, 0 );
	sigaction ( SIGFPE , &m_old_SIGFPE_action , 0 );
	sigaction ( SIGSEGV, &m_old_SIGSEGV_action, 0 );

	s_jumpTarget = m_oldJumpTarget;
}


}
