These will be used when moving icount accounting to cpus.c.
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
qemu-timer.c | 25 +++++++++++++++++++++++++
qemu-timer.h | 3 +++
2 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/qemu-timer.c b/qemu-timer.c
index e2551f3..ebb5089 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)
{
diff --git a/qemu-timer.h b/qemu-timer.h
index 0a43469..4578075 100644
--- a/qemu-timer.h
+++ b/qemu-timer.h
@@ -38,6 +38,9 @@ extern QEMUClock *vm_clock;
extern QEMUClock *host_clock;
int64_t qemu_get_clock_ns(QEMUClock *clock);
+int64_t qemu_clock_has_timers(QEMUClock *clock);
+int64_t qemu_clock_expired(QEMUClock *clock);
+int64_t qemu_clock_deadline(QEMUClock *clock);
void qemu_clock_enable(QEMUClock *clock, int enabled);
void qemu_clock_warp(QEMUClock *clock);
--
1.7.6
