Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

[qemu.git] / util / qemu-timer.c

diff --git a/util/qemu-timer.c b/util/qemu-timer.c
index 1ac831434dec6ce736cb8116608b386148d70896..d428fec5677258b18f0d2d4bb1923a80fac69d94 100644 (file)
--- a/util/qemu-timer.c
+++ b/util/qemu-timer.c
@@ -47,8 +47,6 @@ typedef struct QEMUClock {
     /* We rely on BQL to protect the timerlists */
     QLIST_HEAD(, QEMUTimerList) timerlists;
 
-    int64_t last;
-
     QEMUClockType type;
     bool enabled;
 } QEMUClock;
@@ -129,7 +127,6 @@ static void qemu_clock_init(QEMUClockType type, QEMUTimerListNotifyCB *notify_cb
 
     clock->type = type;
     clock->enabled = (type == QEMU_CLOCK_VIRTUAL ? false : true);
-    clock->last = INT64_MIN;
     QLIST_INIT(&clock->timerlists);
     main_loop_tlg.tl[type] = timerlist_new(type, notify_cb, NULL);
 }
@@ -250,14 +247,38 @@ int64_t timerlist_deadline_ns(QEMUTimerList *timer_list)
  * ignore whether or not the clock should be used in deadline
  * calculations.
  */
-int64_t qemu_clock_deadline_ns_all(QEMUClockType type)
+int64_t qemu_clock_deadline_ns_all(QEMUClockType type, int attr_mask)
 {
     int64_t deadline = -1;
+    int64_t delta;
+    int64_t expire_time;
+    QEMUTimer *ts;
     QEMUTimerList *timer_list;
     QEMUClock *clock = qemu_clock_ptr(type);
+
+    if (!clock->enabled) {
+        return -1;
+    }
+
     QLIST_FOREACH(timer_list, &clock->timerlists, list) {
-        deadline = qemu_soonest_timeout(deadline,
-                                        timerlist_deadline_ns(timer_list));
+        qemu_mutex_lock(&timer_list->active_timers_lock);
+        ts = timer_list->active_timers;
+        /* Skip all external timers */
+        while (ts && (ts->attributes & ~attr_mask)) {
+            ts = ts->next;
+        }
+        if (!ts) {
+            qemu_mutex_unlock(&timer_list->active_timers_lock);
+            continue;
+        }
+        expire_time = ts->expire_time;
+        qemu_mutex_unlock(&timer_list->active_timers_lock);
+
+        delta = expire_time - qemu_clock_get_ns(type);
+        if (delta <= 0) {
+            delta = 0;
+        }
+        deadline = qemu_soonest_timeout(deadline, delta);
     }
     return deadline;
 }
@@ -627,9 +648,6 @@ int64_t timerlistgroup_deadline_ns(QEMUTimerListGroup *tlg)
 
 int64_t qemu_clock_get_ns(QEMUClockType type)
 {
-    int64_t now;
-    QEMUClock *clock = qemu_clock_ptr(type);
-
     switch (type) {
     case QEMU_CLOCK_REALTIME:
         return get_clock();
@@ -641,26 +659,12 @@ int64_t qemu_clock_get_ns(QEMUClockType type)
             return cpu_get_clock();
         }
     case QEMU_CLOCK_HOST:
-        now = REPLAY_CLOCK(REPLAY_CLOCK_HOST, get_clock_realtime());
-        clock->last = now;
-        return now;
+        return REPLAY_CLOCK(REPLAY_CLOCK_HOST, get_clock_realtime());
     case QEMU_CLOCK_VIRTUAL_RT:
         return REPLAY_CLOCK(REPLAY_CLOCK_VIRTUAL_RT, cpu_get_clock());
     }
 }
 
-uint64_t qemu_clock_get_last(QEMUClockType type)
-{
-    QEMUClock *clock = qemu_clock_ptr(type);
-    return clock->last;
-}
-
-void qemu_clock_set_last(QEMUClockType type, uint64_t last)
-{
-    QEMUClock *clock = qemu_clock_ptr(type);
-    clock->last = last;
-}
-
 void init_clocks(QEMUTimerListNotifyCB *notify_cb)
 {
     QEMUClockType type;