@@ -63,8 +63,8 @@ bool qemu_timer_pending(QEMUTimer *ts);
bool qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time);
uint64_t qemu_timer_expire_time_ns(QEMUTimer *ts);
-void qemu_run_timers(QEMUClock *clock);
-void qemu_run_all_timers(void);
+bool qemu_run_timers(QEMUClock *clock);
+bool qemu_run_all_timers(void);
void init_clocks(void);
int64_t cpu_get_ticks(void);
@@ -299,13 +299,14 @@ bool qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
return qemu_timer_expired_ns(timer_head, current_time * timer_head->scale);
}
-void qemu_run_timers(QEMUClock *clock)
+bool qemu_run_timers(QEMUClock *clock)
{
QEMUTimer *ts;
int64_t current_time;
+ bool progress = false;
if (!clock->enabled)
- return;
+ return progress;
current_time = qemu_get_clock_ns(clock);
for(;;) {
@@ -319,7 +320,9 @@ void qemu_run_timers(QEMUClock *clock)
/* run the callback (the timer list can be modified) */
ts->cb(ts->opaque);
+ progress = true;
}
+ return progress;
}
int64_t qemu_get_clock_ns(QEMUClock *clock)
@@ -371,10 +374,12 @@ uint64_t qemu_timer_expire_time_ns(QEMUTimer *ts)
return qemu_timer_pending(ts) ? ts->expire_time : -1;
}
-void qemu_run_all_timers(void)
+bool qemu_run_all_timers(void)
{
/* vm time timers */
- qemu_run_timers(vm_clock);
- qemu_run_timers(rt_clock);
- qemu_run_timers(host_clock);
+ bool progress = false;
+ progress |= qemu_run_timers(vm_clock);
+ progress |= qemu_run_timers(rt_clock);
+ progress |= qemu_run_timers(host_clock);
+ return progress;
}
Make qemu_run_timers and qemu_run_all_timers return progress so that aio_poll etc. can determine whether a timer has been run. Signed-off-by: Alex Bligh <alex@alex.org.uk> --- include/qemu/timer.h | 4 ++-- qemu-timer.c | 17 +++++++++++------ 2 files changed, 13 insertions(+), 8 deletions(-)