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[MULTITASKING] Processes

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This commit is contained in:
Thomas Lovén
2016-12-16 19:22:33 +01:00
parent 5e8fbcbb78
commit 5ca2b6994a
8 changed files with 177 additions and 8 deletions
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13
kernel/proc/scheduler.c
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@@ -41,15 +41,25 @@ void scheduler()
thread_t *old = 0, *new = 0;
if((old = get_last_thread()))
{
if(old->state == THREAD_STATE_RUNNING)
if(old->state != THREAD_STATE_FINISHED && process_alive(old->process))
{
old->state = THREAD_STATE_READY;
scheduler_insert(old);
} else {
old->state = THREAD_STATE_FINISHED;
}
}
while(!(new = scheduler_next()));
if(!process_alive(new->process))
{
new->state = THREAD_STATE_FINISHED;
continue;
}
new->state = THREAD_STATE_RUNNING;
set_last_thread(new);
switch_process(new->process);
switch_thread(scheduler_th, new);
}
}
@@ -60,6 +70,7 @@ void schedule()
thread_t *old = get_current_thread();
switch_process(0);
switch_thread(old, scheduler_th);
}