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kernel: Tweak some timer code
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This commit is contained in:
apio 2023-11-04 10:47:41 +01:00
parent dfebdce689
commit e28e1c682c
Signed by: apio
GPG Key ID: B8A7D06E42258954
2 changed files with 5 additions and 1 deletions
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5
kernel/src/sys/alarm.cpp
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@ -13,7 +13,10 @@ Result<u64> sys_alarm(Registers*, SyscallArgs args)
u64 ticks_left = current->timer ? current->timer->ticks_left() : 0; u64 ticks_left = current->timer ? current->timer->ticks_left() : 0;
if (current->timer) Scheduler::remove_from_timer_queue(current->timer); if (current->timer)
{
if (current->timer->delta_ticks > 0) Scheduler::remove_from_timer_queue(current->timer);
}
else else
current->timer = TRY(make<Scheduler::Timer>()); current->timer = TRY(make<Scheduler::Timer>());

1
kernel/src/thread/Timer.cpp
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@ -62,6 +62,7 @@ namespace Scheduler
u64 Timer::ticks_left() u64 Timer::ticks_left()
{ {
u64 total = 0; u64 total = 0;
if (delta_ticks == 0) return 0;
for (auto* t : g_timer_queue) for (auto* t : g_timer_queue)
{ {
total += t->delta_ticks; total += t->delta_ticks;