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//==========================================================================
//
// signal3.cxx
//
// POSIX signal test 3
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later
// version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####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
|
