void sig_init(void)
{
clk_tck_init();
timer_save_interval = cfg_get_int(SECTION_OPTIONS, NULL, "Save");
if (timer_save_interval < 0)
timer_save_interval = TIMER_SAVE_DELAY;
else
if ((timer_save_interval /= TIMER_INTERVAL) <= 0)
timer_save_interval = 1;
timer_save_value = timer_save_interval;
timer_ticksafety_interval = (clock_t)1 << (sizeof(clock_t) * 8 - 4);
timer_ticksafety_interval /= clk_tck;
if ((timer_ticksafety_interval /= TIMER_INTERVAL) <= 0)
timer_ticksafety_interval = 1;
timer_ticksafety_value = timer_ticksafety_interval;
atexit(sig_done);
sig_install_update();
sig_install_abort();
sig_install_timer();
#if OS_FORK
signal(SIGUSR2, sig_handle_status);
#endif
}
void sig_init(void)
{
clk_tck_init();
timer_save_interval = cfg_get_int(SECTION_OPTIONS, NULL, "Save");
if (timer_save_interval < 0)
timer_save_interval = TIMER_SAVE_DELAY;
else
if ((timer_save_interval /= TIMER_INTERVAL) <= 0)
timer_save_interval = 1;
if (cfg_get_param(SECTION_OPTIONS, NULL, "AbortGraceTime")) {
abort_grace_time =
cfg_get_int(SECTION_OPTIONS, NULL, "AbortGraceTime");
}
#if OS_TIMER
timer_save_value = timer_save_interval;
#elif !defined(BENCH_BUILD)
timer_save_value = status_get_time() + timer_save_interval;
#endif
timer_ticksafety_interval = (clock_t)1 << (sizeof(clock_t) * 8 - 4);
timer_ticksafety_interval /= clk_tck;
if ((timer_ticksafety_interval /= TIMER_INTERVAL) <= 0)
timer_ticksafety_interval = 1;
timer_ticksafety_value = timer_ticksafety_interval;
atexit(sig_done);
sig_install(sig_handle_update, SIGHUP);
sig_install_abort();
sig_install_timer();
}
static void sig_handle_timer(int signum)
{
int saved_errno = errno;
if (!--timer_save_value) {
timer_save_value = timer_save_interval;
event_save = event_pending = 1;
}
if (!--timer_ticksafety_value) {
timer_ticksafety_value = timer_ticksafety_interval;
event_ticksafety = event_pending = 1;
}
if (sig_getchar() >= 0) {
while (sig_getchar() >= 0);
event_status = event_pending = 1;
}
#if !OS_TIMER
signal(SIGALRM, sig_handle_timer);
#elif !defined(SA_RESTART) && !defined(__DJGPP__)
sig_install_timer();
#endif
errno = saved_errno;
}
static void sig_handle_timer(int signum)
{
int saved_errno = errno;
if (!--timer_save_value) {
timer_save_value = timer_save_interval;
event_save = event_pending = 1;
}
if (!--timer_ticksafety_value) {
timer_ticksafety_value = timer_ticksafety_interval;
event_ticksafety = event_pending = 1;
}
if (john_main_process) {
int c;
#if OS_FORK
int new_abort = 0, new_status = 0;
#endif
while ((c = tty_getchar()) >= 0) {
if (c == 3 || c == 'q') {
#if OS_FORK
new_abort = 1;
#endif
sig_handle_abort(0);
} else {
#if OS_FORK
new_status = 1;
#endif
event_status = event_pending = 1;
}
}
#if OS_FORK
if (new_abort || new_status)
signal_children(new_abort ? SIGTERM : SIGUSR2);
#endif
}
#if !OS_TIMER
signal(SIGALRM, sig_handle_timer);
#elif !defined(SA_RESTART) && !defined(__DJGPP__)
sig_install_timer();
#endif
errno = saved_errno;
}
static void sig_handle_timer(int signum)
{
int saved_errno = errno;
#if !OS_TIMER
unsigned int time;
#endif
#ifndef BENCH_BUILD
#if OS_TIMER
/* Some stuff only done every few seconds */
if (timer_save_interval < 4 ||
((timer_save_interval - timer_save_value) & 3) == 3) {
#ifdef HAVE_MPI
if (!event_reload && mpi_p > 1) {
event_pending = event_mpiprobe = 1;
}
#endif
event_poll_files = event_pending = 1;
#ifdef SIGUSR2
sig_install(sig_handle_reload, SIGUSR2);
#endif
}
if (!--timer_save_value) {
timer_save_value = timer_save_interval;
event_save = event_pending = 1;
event_reload = options.reload_at_save;
}
if (timer_abort && !--timer_abort) {
aborted_by_timer = 1;
if (abort_grace_time > 0)
timer_abort = abort_grace_time;
else if (abort_grace_time < 0)
timer_abort = 0;
else /* no grace time, kill immediately */
event_abort = 1;
sig_handle_abort(0);
}
if (timer_status && !--timer_status) {
timer_status = options.status_interval;
event_status = event_pending = 1;
}
#else /* no OS_TIMER */
time = status_get_time();
/* Some stuff only done every few seconds */
if ((time & 3) == 3) {
#ifdef HAVE_MPI
if (!event_reload && mpi_p > 1) {
event_pending = event_mpiprobe = 1;
}
#endif
event_poll_files = event_pending = 1;
#ifdef SIGUSR2
sig_install(sig_handle_reload, SIGUSR2);
#endif
}
if (time >= timer_save_value) {
timer_save_value += timer_save_interval;
event_save = event_pending = 1;
event_reload = options.reload_at_save;
}
if (timer_abort && time >= timer_abort) {
aborted_by_timer = 1;
if (abort_grace_time > 0)
timer_abort += abort_grace_time;
else if (abort_grace_time < 0)
timer_abort = 0;
else /* no grace time, kill immediately */
event_abort = 1;
sig_handle_abort(0);
}
if (timer_status && time >= timer_status) {
timer_status += options.status_interval;
event_status = event_pending = 1;
}
#endif /* OS_TIMER */
#endif /* !BENCH_BUILD */
if (!--timer_ticksafety_value) {
timer_ticksafety_value = timer_ticksafety_interval;
event_ticksafety = event_pending = 1;
}
#ifndef HAVE_MPI
if (john_main_process)
#endif
{
int c;
#if OS_FORK
int new_abort = 0, new_status = 0;
#endif
while ((c = tty_getchar()) >= 0) {
if (c == 3 || c == 'q') {
#if OS_FORK
new_abort = 1;
#endif
sig_handle_abort(0);
} else {
#if OS_FORK
new_status = 1;
#endif
event_status = event_pending = 1;
}
}
#if OS_FORK
if (new_abort || new_status)
signal_children(new_abort ? SIGTERM : SIGUSR1);
#endif
}
#if !OS_TIMER
signal(SIGALRM, sig_handle_timer);
#elif !defined(SA_RESTART) && !defined(__DJGPP__)
sig_install_timer();
#endif
errno = saved_errno;
}
