boolean_t
timer_call_cancel(
timer_call_t call)
{
mpqueue_head_t *old_queue;
spl_t s;
s = splclock();
TIMER_KDEBUG_TRACE(KDEBUG_TRACE,
DECR_TIMER_CANCEL | DBG_FUNC_START,
VM_KERNEL_UNSLIDE_OR_PERM(call),
TCE(call)->deadline, call->soft_deadline, call->flags, 0);
old_queue = timer_call_dequeue_unlocked(call);
if (old_queue != NULL) {
timer_queue_lock_spin(old_queue);
if (!queue_empty(&old_queue->head)) {
timer_queue_cancel(old_queue, TCE(call)->deadline, CE(queue_first(&old_queue->head))->deadline);
timer_call_t thead = (timer_call_t)queue_first(&old_queue->head);
old_queue->earliest_soft_deadline = thead->flags & TIMER_CALL_RATELIMITED ? TCE(thead)->deadline : thead->soft_deadline;
}
else {
timer_queue_cancel(old_queue, TCE(call)->deadline, UINT64_MAX);
old_queue->earliest_soft_deadline = UINT64_MAX;
}
timer_queue_unlock(old_queue);
}
TIMER_KDEBUG_TRACE(KDEBUG_TRACE,
DECR_TIMER_CANCEL | DBG_FUNC_END,
VM_KERNEL_UNSLIDE_OR_PERM(call),
VM_KERNEL_UNSLIDE_OR_PERM(old_queue),
TCE(call)->deadline - mach_absolute_time(),
TCE(call)->deadline - TCE(call)->entry_time, 0);
splx(s);
#if CONFIG_DTRACE
DTRACE_TMR6(callout__cancel, timer_call_func_t, TCE(call)->func,
timer_call_param_t, TCE(call)->param0, uint32_t, call->flags, 0,
(call->ttd >> 32), (unsigned) (call->ttd & 0xFFFFFFFF));
#endif
return (old_queue != NULL);
}
boolean_t
timer_call_cancel(
timer_call_t call)
{
mpqueue_head_t *old_queue;
spl_t s;
s = splclock();
old_queue = timer_call_dequeue_unlocked(call);
if (old_queue != NULL) {
timer_call_lock_spin(old_queue);
if (!queue_empty(&old_queue->head))
timer_queue_cancel(old_queue, CE(call)->deadline, CE(queue_first(&old_queue->head))->deadline);
else
timer_queue_cancel(old_queue, CE(call)->deadline, UINT64_MAX);
timer_call_unlock(old_queue);
}
splx(s);
return (old_queue != NULL);
}