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authorStefan Weil <weil@mail.berlios.de>2011-03-24 21:31:24 +0100
committerStefan Weil <weil@mail.berlios.de>2011-04-27 13:30:18 +0200
commit45c7b37fb9c452bcc6fce0ac429ea1d1aa1f9e51 (patch)
tree558455e0301a7e1b0863f62be4a4b950bc72886d /qemu-timer.c
parent430a3c18064fd3c007048d757e8bd0fff45fcc99 (diff)
qemu-timer: Add and use new function qemu_timer_expired_ns
This simply moves code which is used three times into a new function thus improving readability. Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Diffstat (limited to 'qemu-timer.c')
-rw-r--r--qemu-timer.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/qemu-timer.c b/qemu-timer.c
index b8c0c8870..f77169757 100644
--- a/qemu-timer.c
+++ b/qemu-timer.c
@@ -183,6 +183,11 @@ struct qemu_alarm_timer {
static struct qemu_alarm_timer *alarm_timer;
+static bool qemu_timer_expired_ns(QEMUTimer *timer_head, int64_t current_time)
+{
+ return timer_head && (timer_head->expire_time <= current_time);
+}
+
int qemu_alarm_pending(void)
{
return alarm_timer->pending;
@@ -528,10 +533,9 @@ static void qemu_mod_timer_ns(QEMUTimer *ts, int64_t expire_time)
pt = &active_timers[ts->clock->type];
for(;;) {
t = *pt;
- if (!t)
- break;
- if (t->expire_time > expire_time)
+ if (!qemu_timer_expired_ns(t, expire_time)) {
break;
+ }
pt = &t->next;
}
ts->expire_time = expire_time;
@@ -570,9 +574,7 @@ int qemu_timer_pending(QEMUTimer *ts)
int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
{
- if (!timer_head)
- return 0;
- return (timer_head->expire_time <= current_time * timer_head->scale);
+ return qemu_timer_expired_ns(timer_head, current_time * timer_head->scale);
}
static void qemu_run_timers(QEMUClock *clock)
@@ -587,8 +589,9 @@ static void qemu_run_timers(QEMUClock *clock)
ptimer_head = &active_timers[clock->type];
for(;;) {
ts = *ptimer_head;
- if (!ts || ts->expire_time > current_time)
+ 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;