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Diffstat (limited to 'qemu-timer.c')
-rw-r--r--qemu-timer.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/qemu-timer.c b/qemu-timer.c
index e2551f3298..ebb50890e8 100644
--- a/qemu-timer.c
+++ b/qemu-timer.c
@@ -495,6 +495,31 @@ void qemu_clock_warp(QEMUClock *clock)
}
}
+int64_t qemu_clock_has_timers(QEMUClock *clock)
+{
+ return !!clock->active_timers;
+}
+
+int64_t qemu_clock_expired(QEMUClock *clock)
+{
+ return (clock->active_timers &&
+ clock->active_timers->expire_time < qemu_get_clock_ns(clock));
+}
+
+int64_t qemu_clock_deadline(QEMUClock *clock)
+{
+ /* To avoid problems with overflow limit this to 2^32. */
+ int64_t delta = INT32_MAX;
+
+ if (clock->active_timers) {
+ delta = clock->active_timers->expire_time - qemu_get_clock_ns(clock);
+ }
+ if (delta < 0) {
+ delta = 0;
+ }
+ return delta;
+}
+
QEMUTimer *qemu_new_timer(QEMUClock *clock, int scale,
QEMUTimerCB *cb, void *opaque)
{