Exemplo n.º 1
0
static void sig_install_timer(void)
{
#if !OS_TIMER
	signal(SIGALRM, sig_handle_timer);
	sig_timer_emu_init(TIMER_INTERVAL * clk_tck);
#else
	struct sigaction sa;
	struct itimerval it;

	memset(&sa, 0, sizeof(sa));
	sa.sa_handler = sig_handle_timer;
#ifdef SA_RESTART
	sa.sa_flags = SA_RESTART;
#endif
	sigaction(SIGALRM, &sa, NULL);
#if !defined(SA_RESTART) && !defined(__DJGPP__)
	siginterrupt(SIGALRM, 0);
#endif

	it.it_value.tv_sec = TIMER_INTERVAL;
	it.it_value.tv_usec = 0;
#if defined(SA_RESTART) || defined(__DJGPP__)
	it.it_interval = it.it_value;
#else
	memset(&it.it_interval, 0, sizeof(it.it_interval));
#endif
	if (setitimer(ITIMER_REAL, &it, NULL)) pexit("setitimer");
#endif
}
Exemplo n.º 2
0
static void sig_install_timer(void)
{
#if !OS_TIMER
	signal(SIGALRM, sig_handle_timer);
	sig_timer_emu_init(TIMER_INTERVAL * clk_tck);
#else
	struct sigaction sa;

	memset(&sa, 0, sizeof(sa));
	sa.sa_handler = sig_handle_timer;
#ifdef SA_RESTART
	sa.sa_flags = SA_RESTART;
#endif
	sigaction(SIGALRM, &sa, NULL);
#if !defined(SA_RESTART) && !defined(__DJGPP__)
	siginterrupt(SIGALRM, 0);
#endif

	sig_init_timer();
#endif
}