tasking: fix idle task creation & make task_create take EntryPoint type argument

include/task.h

@@ -24,7 +24,6 @@ typedef struct Process
 	struct Process*   next;		   // Pointer to the next task in the list
 } Process;
 
-//Process* task_create(EntryPoint func);
 Process* task_create(EntryPoint func, void** args, uint32_t arg_count);
 void	 scheduler_init();
 void	 schedule();

src/task.c

@@ -21,7 +21,7 @@ static void processStartup()
 	scheduler_unlock();
 }
 
-Process* task_create(void(*func)(), void** args, uint32_t arg_count)
+Process* task_create(EntryPoint func, void** args, uint32_t arg_count)
 {
 	Process* p = heap_alloc(sizeof(Process));
 	p->pid = ++pid_counter;
@@ -83,7 +83,7 @@ void schedule()
 	Process* next = current->next;
 	if(!next)
 		next = queue;
-
+	if(next != current)
 		switchProcess(next);
 }
 
@@ -109,10 +109,12 @@ void task2(int arg1, int arg2)
 
 void scheduler_init()
 {
-	task_create(&idle, NULL, 0);
+	//we create this task two times because in other case it just won't start
+	task_create((EntryPoint)&idle, NULL, 0);
+	task_create((EntryPoint)&idle, NULL, 0);
 
 	void* args1[] = {(void*)42, (void*)"ebalo"};
-	task_create((void (*)())&task1, args1, 2);
+	task_create((EntryPoint)&task1, args1, 2);
 	void* args2[] = {(void*)69, (void*)420};
-	task_create((void (*)())&task2, args2, 2);
+	task_create((EntryPoint)&task2, args2, 2);
 }