/* modify the current timer so that it will be fired when current_time
>= expire_time. The corresponding callback will be called. */
static void qemu_mod_timer_ns(QEMUTimer *ts, int64_t expire_time)
{
QEMUTimer **pt, *t;
qemu_del_timer(ts);
/* add the timer in the sorted list */
/* NOTE: this code must be signal safe because
qemu_timer_expired() can be called from a signal. */
pt = &active_timers[ts->clock->type];
for(;;) {
t = *pt;
if (!qemu_timer_expired_ns(t, expire_time)) {
break;
}
pt = &t->next;
}
ts->expire_time = expire_time;
ts->next = *pt;
*pt = ts;
/* Rearm if necessary */
if (pt == &active_timers[ts->clock->type]) {
if (!alarm_timer->pending) {
qemu_rearm_alarm_timer(alarm_timer);
}
/* Interrupt execution to force deadline recalculation. */
qemu_clock_warp(ts->clock);
if (use_icount) {
qemu_notify_event();
}
}
}
static void qemu_run_timers(QEMUClock *clock)
{
QEMUTimer **ptimer_head, *ts;
int64_t current_time;
DVERYDETAIL{
printf("in qemu_run_timers\n");
fflush(stdout);
}
if (!clock->enabled)
return;
current_time = qemu_get_clock_ns(clock);
ptimer_head = &clock->active_timers;
for(;;) {
ts = *ptimer_head;
if (!qemu_timer_expired_ns(ts, current_time)) {
break;
}
DVERYDETAIL{
printf("in qemu_run_timers: in loop after chk expiration\n");
fflush(stdout);
}
/* remove timer from the list before calling the callback */
*ptimer_head = ts->next;
ts->next = NULL;
DVERYDETAIL{
printf("in qemu_run_timers: in loop about to call back\n");
fflush(stdout);
}
/* run the callback (the timer list can be modified) */
ts->cb(ts->opaque);
}
}
static void qemu_run_timers(QEMUClock *clock)
{
QEMUTimer **ptimer_head, *ts;
int64_t current_time;
if (!clock->enabled)
return;
current_time = qemu_get_clock_ns(clock);
ptimer_head = &active_timers[clock->type];
for(;;) {
ts = *ptimer_head;
if (!qemu_timer_expired_ns(ts, current_time)) {
break;
}
/* remove timer from the list before calling the callback */
*ptimer_head = ts->next;
ts->next = NULL;
/* run the callback (the timer list can be modified) */
ts->cb(ts->opaque);
}
}
int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
{
return qemu_timer_expired_ns(timer_head, current_time * timer_head->scale);
}
