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//==========================================================================

//

//        signal3.cxx

//

//        POSIX signal test 3

//

//==========================================================================

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// -------------------------------------------

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//####ECOSGPLCOPYRIGHTEND####

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):     nickg

// Contributors:  nickg

// Date:          2003-01-30

// Description:   Tests POSIX signal functionality.

//

//####DESCRIPTIONEND####

//==========================================================================

#include <cyg/infra/testcase.h>

#include <pkgconf/posix.h>

#if !defined(CYGPKG_POSIX_SIGNALS)

#define NA_MSG "POSIX signals not enabled"

#elif !defined(CYGPKG_POSIX_PTHREAD)

#define NA_MSG "POSIX threads not enabled"

#endif

#ifdef NA_MSG

void

cyg_start(void)

{

    CYG_TEST_INIT();

    CYG_TEST_NA(NA_MSG);

}

#else

#include <signal.h>

#include <pthread.h>

#include <stdio.h>

#include <errno.h>

#include <cyg/infra/diag.h>

volatile int sigusr1_called = 0;

//--------------------------------------------------------------------------

// Signal handler functions

static void sigusr1( int signo )

{

    CYG_TEST_INFO( "sigusr1() handler called" );

    CYG_TEST_CHECK( signo == SIGUSR1, "Signal not SIGUSR1");

    sigusr1_called++;

}

//--------------------------------------------------------------------------

int main (int argc, char **argv)

{

    int ret_val;

    sigset_t set;

    int sig;

    struct itimerspec timerValue;       // Timeout value on eCos

    timer_t timer1;                     // Timer

    struct sigevent sev;

    CYG_TEST_INIT();

    {

        struct sigaction sa;

        sa.sa_handler = sigusr1;

        sigfillset( &sa.sa_mask );

        sa.sa_flags = 0;

        ret_val = sigaction( SIGUSR1, &sa, NULL );

        CYG_TEST_CHECK( ret_val == 0 , "sigaction returned error");

    }

    // unblock all the signals

    sigfillset (&set);

    pthread_sigmask (SIG_UNBLOCK, &set, (sigset_t*)NULL);

    //--------------------------------------------------------------------

    // <start of timer initialization section>

    //--------------------------------------------------------------------

    // Notification type --- Deliver the signal

    sev.sigev_notify                = SIGEV_SIGNAL;

    sev.sigev_signo                 = SIGUSR1;

    sev.sigev_value.sival_int       = 0xABCDEF01;

    // Timer values     --- 1 Second

    timerValue.it_value.tv_sec           = 1;

    timerValue.it_value.tv_nsec          = 0;

    timerValue.it_interval.tv_sec        = 1;

    timerValue.it_interval.tv_nsec       = 0;

    ret_val = timer_create (CLOCK_REALTIME, &sev, &timer1);

    CYG_TEST_CHECK( ret_val==0, "Error in creating the timer");

    ret_val = timer_settime (timer1, 0, &timerValue, NULL );

    CYG_TEST_CHECK( ret_val==0,"Error in setting the time");

    //--------------------------------------------------------------------

    // <end of timer initialization section>

    //--------------------------------------------------------------------

    CYG_TEST_INFO ("Timer initialisation is completed..");

    CYG_TEST_INFO ("Calling pause()");

    ret_val = pause();

    CYG_TEST_CHECK( ret_val==-1, "pause() did not return -1");

    CYG_TEST_CHECK( EINTR==errno, "errno set to EINTR");

    CYG_TEST_CHECK( sigusr1_called==1, "Siguser1 handler not called");

    // Block all the signals

    sigfillset (&set);

    pthread_sigmask (SIG_BLOCK, &set, (sigset_t*)NULL);

    CYG_TEST_INFO ("Calling sigwait()");

    // Wait for any signal to arrive

    sigfillset (&set);

    ret_val = sigwait (&set, &sig);

    CYG_TEST_CHECK( ret_val==0, "sigwait returned error");

    CYG_TEST_CHECK( sig==SIGUSR1, "sigwait returned wrong signo!");

    CYG_TEST_CHECK( sigusr1_called==1, "Siguser1 handler called!");

    CYG_TEST_INFO ("Program terminating");

    CYG_TEST_PASS_FINISH( "signal3" );

    return 0;

}

#endif

//--------------------------------------------------------------------------

// end of signal3.c