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timer: fix time travel

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Matheus
2024-09-21 21:28:41 -03:00
parent 361cf2336e
commit 7b86742065
1 changed files with 10 additions and 0 deletions
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kernel-src/sys/timer.c
+10
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@@ -69,6 +69,15 @@ void timer_isr(timer_t *timer, context_t *context) {
__assert(timer->queue);
// check if the timer interrupt happened
// while the timer was about to be stopped by a timer_insert or timer_remove
time_t time_passed = timer->stop(timer);
if (time_passed < timer->current_target - timer->tickcurrent) {
arch_e9_puts("bleh bleh\n");
timer->tickcurrent += time_passed;
goto leave;
}
timer->tickcurrent = timer->current_target;
timerentry_t *oldentry = timer->queue;
timer->queue = timer->queue->next;
@@ -81,6 +90,7 @@ void timer_isr(timer_t *timer, context_t *context) {
dpc_enqueue(&oldentry->dpc, oldentry->fn, oldentry->arg);
leave:
timercheck(timer);
arm_for_next_target(timer);