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wip: thread and processes handle

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0x35c
2025-11-05 16:19:21 +01:00
parent 56cfe9f2be
commit 374ea13173
25 changed files with 243 additions and 340 deletions
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36
src/multitasking/scheduler.c
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@ -2,34 +2,28 @@
#include "debug.h"
#include "interrupts.h"
#include "kprintf.h"
#include "task.h"
#include "process.h"
#include "thread.h"
#include "time.h"
#include <stddef.h>
struct task *current_task;
struct pcb *current_pcb;
struct tcb *current_tcb;
void scheduler(void)
{
// ZOMBIE, THREAD, RUN, WAIT, SLEEP, STOPPED, FORKED
void (*func[])(struct task *) = {
zombify_task, NULL, NULL, NULL, NULL, remove_task, kfork,
};
if (!current_task) // || current_task->next == current_task)
return;
cli();
switch_pd(kernel_pd, (uint32_t *)((uint32_t)kernel_pd - HEAP_END));
struct task *it = current_task->next;
while (it && it->status != RUN) {
if (it != current_task && func[it->status]) {
struct task *new_it = it->prev;
func[it->status](it);
it = new_it;
struct tcb *thread_to_switch;
if (!current_tcb) {
thread_to_switch = current_pcb->thread_list;
} else {
if (!current_tcb->next) {
current_pcb = current_pcb->next;
// TODO switch context
thread_to_switch = current_pcb->thread_list;
} else {
thread_to_switch = current_tcb->next;
}
it = it->next;
}
switch_to_task(it);
exec_signal_pending();
toris();
switch_thread(thread_to_switch);
}