//==========================================================================
//
//        signal4.cxx
//
//        POSIX signal test 4
//
//==========================================================================
// TODO: Need GPL header
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     Created by Dan Jakubiec from a template by nickg.
// Contributors:  Dan Jakubiec
// Date:          2003-11-05
// Description:   Tests POSIX signal SIGEV_THREAD functionality.
//
//####DESCRIPTIONEND####
//==========================================================================

#include <cyg/infra/testcase.h>
#include <pkgconf/posix.h>

#if !defined(CYGPKG_POSIX_SIGNALS_SIGEV_THREAD)
#define NA_MSG "POSIX SIGEV_THREAD support 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 sigthread_called = 0;
#define SIGTHREAD_TESTVAL			0xA1B2C3D4

//--------------------------------------------------------------------------
// Signal handler function

static void sigev_thread(union sigval context)
{
    CYG_TEST_INFO( "sigev_thread() handler called" );
    CYG_TEST_CHECK( context.sival_int == SIGTHREAD_TESTVAL, "sigev_thread() got bad context");
    sigthread_called++;
}

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

int main (int argc, char **argv)
{
    int ret_val;
    sigset_t set;
    struct itimerspec timerValue;	// Timeout value on eCos
    timer_t timer1;			// Timer
    struct sigevent sev;

    CYG_TEST_INIT();
    
    // Unblock all the signals.  We shouldn't get any, though.
    sigfillset (&set);
    pthread_sigmask (SIG_UNBLOCK, &set, (sigset_t*)NULL);
    
    //--------------------------------------------------------------------
    // <start of timer initialization section>
    //--------------------------------------------------------------------
	
    // Notification type --- Launch a thread
    sev.sigev_notify                = SIGEV_THREAD;
    sev.sigev_signo                 = SIGNULL;
    sev.sigev_value.sival_int       = SIGTHREAD_TESTVAL;
    sev.sigev_notify_function       = sigev_thread;
    sev.sigev_notify_attributes     = NULL;

    // Timer values	--- Timeout in 0.5 seconds, then every 1 second after that
    timerValue.it_value.tv_sec           = 0;
    timerValue.it_value.tv_nsec          = 5e8;		/* 0.5 seconds */
    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..");

    // Sleep for 5 seconds --- The thread handler should be called 5 times,
    // and the sleep should not be interrupted.
    CYG_TEST_INFO ("Calling sleep()");
    ret_val = sleep(5);
    CYG_TEST_CHECK( ret_val==0, "sleep() did not return 0");
    CYG_TEST_CHECK( sigthread_called==5, "Thread handler not properly called");
    
    CYG_TEST_INFO ("Program terminating");

    CYG_TEST_PASS_FINISH( "signal4" );
    return 0;
}


#endif

//--------------------------------------------------------------------------
// end of signal4.c