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src/boost/test/impl/execution_monitor.ipp  view on Meta::CPAN

} // namespace detail

#if defined(BOOST_SIGACTION_BASED_SIGNAL_HANDLING)

// ************************************************************************** //
// **************       Sigaction based signal handling        ************** //
// ************************************************************************** //

namespace detail {

// ************************************************************************** //
// **************    boost::detail::system_signal_exception    ************** //
// ************************************************************************** //

class system_signal_exception {
public:
    // Constructor
    system_signal_exception()
    : m_sig_info( 0 )
    , m_context( 0 )
    {}

    // Access methods
    void        operator()( siginfo_t* i, void* c )
    {
        m_sig_info  = i;
        m_context   = c;
    }
    void        report() const;

private:
    // Data members
    siginfo_t*  m_sig_info; // system signal detailed info
    void*       m_context;  // signal context
};

//____________________________________________________________________________//

void
system_signal_exception::report() const
{
    if( !m_sig_info )
        return; // no error actually occur?

    switch( m_sig_info->si_code ) {
    case SI_USER:
        report_error( execution_exception::system_error,
                      "signal: generated by kill() (or family); uid=%d; pid=%d",
                      (int)m_sig_info->si_uid, (int)m_sig_info->si_pid );
        break;
    case SI_QUEUE:
        report_error( execution_exception::system_error,
                      "signal: sent by sigqueue()" );
        break;
    case SI_TIMER:
        report_error( execution_exception::system_error,
                      "signal: the expiration of a timer set by timer_settimer()" );
        break;
    case SI_ASYNCIO:
        report_error( execution_exception::system_error,
                      "signal: generated by the completion of an asynchronous I/O request" );
        break;
    case SI_MESGQ:
        report_error( execution_exception::system_error,
                      "signal: generated by the the arrival of a message on an empty message queue" );
        break;
    default:
        break;
    }

    switch( m_sig_info->si_signo ) {
    case SIGILL:
        switch( m_sig_info->si_code ) {
#ifndef BOOST_TEST_LIMITED_SIGNAL_DETAILS
        case ILL_ILLOPC:
            report_error( execution_exception::system_fatal_error,
                          "signal: illegal opcode; address of failing instruction: 0x%08lx",
                          m_sig_info->si_addr );
            break;
        case ILL_ILLTRP:
            report_error( execution_exception::system_fatal_error,
                          "signal: illegal trap; address of failing instruction: 0x%08lx",
                          m_sig_info->si_addr );
            break;
        case ILL_PRVREG:
            report_error( execution_exception::system_fatal_error,
                          "signal: privileged register; address of failing instruction: 0x%08lx",
                          m_sig_info->si_addr );
            break;
        case ILL_BADSTK:
            report_error( execution_exception::system_fatal_error,
                          "signal: internal stack error; address of failing instruction: 0x%08lx",
                          m_sig_info->si_addr );
            break;
#endif
        case ILL_ILLOPN:
            report_error( execution_exception::system_fatal_error,
                          "signal: illegal operand; address of failing instruction: 0x%08lx",
                          m_sig_info->si_addr );
            break;
        case ILL_ILLADR:
            report_error( execution_exception::system_fatal_error,
                          "signal: illegal addressing mode; address of failing instruction: 0x%08lx",
                          m_sig_info->si_addr );
            break;
        case ILL_PRVOPC:
            report_error( execution_exception::system_fatal_error,
                          "signal: privileged opcode; address of failing instruction: 0x%08lx",
                          m_sig_info->si_addr );
            break;
        case ILL_COPROC:
            report_error( execution_exception::system_fatal_error,
                          "signal: co-processor error; address of failing instruction: 0x%08lx",
                          m_sig_info->si_addr );
            break;
        default: 
            report_error( execution_exception::system_fatal_error, 
                          "signal: SIGILL, si_code: %d (illegal instruction; address of failing instruction: 0x%08lx)", 
                          m_sig_info->si_addr, m_sig_info->si_code ); 
            break;
        }

src/boost/test/impl/execution_monitor.ipp  view on Meta::CPAN

            break;
        case CLD_STOPPED:
            report_error( execution_exception::system_error,
                          "child has stopped; pid: %d; uid: %d; exit value: %d",
                          (int)m_sig_info->si_pid, (int)m_sig_info->si_uid, (int)m_sig_info->si_status );
            break;
        case CLD_CONTINUED:
            report_error( execution_exception::system_error,
                          "stopped child had continued; pid: %d; uid: %d; exit value: %d",
                          (int)m_sig_info->si_pid, (int)m_sig_info->si_uid, (int)m_sig_info->si_status );
            break;
#endif
        default:
            report_error( execution_exception::system_error,
                          "signal: SIGCHLD, si_code: %d (child process has terminated; pid: %d; uid: %d; exit value: %d)",
                          (int)m_sig_info->si_pid, (int)m_sig_info->si_uid, (int)m_sig_info->si_status, m_sig_info->si_code );
            break;
        }
        break;

#if defined(BOOST_TEST_CATCH_SIGPOLL)

    case SIGPOLL:
        switch( m_sig_info->si_code ) {
#ifndef BOOST_TEST_LIMITED_SIGNAL_DETAILS
        case POLL_IN:
            report_error( execution_exception::system_error,
                          "data input available; band event %d",
                          (int)m_sig_info->si_band );
            break;
        case POLL_OUT:
            report_error( execution_exception::system_error,
                          "output buffers available; band event %d",
                          (int)m_sig_info->si_band );
            break;
        case POLL_MSG:
            report_error( execution_exception::system_error,
                          "input message available; band event %d",
                          (int)m_sig_info->si_band );
            break;
        case POLL_ERR:
            report_error( execution_exception::system_error,
                          "i/o error; band event %d",
                          (int)m_sig_info->si_band );
            break;
        case POLL_PRI:
            report_error( execution_exception::system_error,
                          "high priority input available; band event %d",
                          (int)m_sig_info->si_band );
            break;
#if defined(POLL_ERR) && defined(POLL_HUP) && (POLL_ERR - POLL_HUP)
        case POLL_HUP:
            report_error( execution_exception::system_error,
                          "device disconnected; band event %d",
                          (int)m_sig_info->si_band );
            break;
#endif
#endif
        default: 
            report_error( execution_exception::system_error, 
                          "signal: SIGPOLL, si_code: %d (asynchronous I/O event occured; band event %d)", 
                          (int)m_sig_info->si_band, m_sig_info->si_code ); 
            break; 
        }
        break;

#endif

    case SIGABRT:
        report_error( execution_exception::system_error,
                      "signal: SIGABRT (application abort requested)" );
        break;

    case SIGALRM:
        report_error( execution_exception::timeout_error,
                      "signal: SIGALRM (timeout while executing function)" );
        break;

    default:
        report_error( execution_exception::system_error, "unrecognized signal" );
    }
}

//____________________________________________________________________________//

// ************************************************************************** //
// **************         boost::detail::signal_action         ************** //
// ************************************************************************** //

// Forward declaration
extern "C" {
static void execution_monitor_jumping_signal_handler( int sig, siginfo_t* info, void* context );
static void execution_monitor_attaching_signal_handler( int sig, siginfo_t* info, void* context );
}

class signal_action {
    typedef struct sigaction* sigaction_ptr;
public:
    //Constructor
    signal_action();
    signal_action( int sig, bool install, bool attach_dbg, char* alt_stack );
    ~signal_action();

private:
    // Data members
    int                 m_sig;
    bool                m_installed;
    struct sigaction    m_new_action;
    struct sigaction    m_old_action;
};

//____________________________________________________________________________//

signal_action::signal_action()
: m_installed( false )
{}

//____________________________________________________________________________//

signal_action::signal_action( int sig, bool install, bool attach_dbg, char* alt_stack )
: m_sig( sig )