wip: multitasking: add status forked

src/multitasking/task.c

@@ -5,6 +5,7 @@
 #include "kpanic.h"
 #include "kprintf.h"
 #include "memory.h"
+#include "string.h"
 
 #include <stdbool.h>
 #include <stdint.h>
@@ -81,6 +82,17 @@ void remove_task(struct task *task)
 	}
 }
 
+struct task *copy_task(const struct task *task)
+{
+	struct task *new_task = create_task(task->uid);
+	if (!new_task)
+		return NULL;
+	memcpy(new_task->esp0, task->esp0, STACK_SIZE);
+	new_task->esp = new_task->esp0 + (task->esp - task->esp0);
+	new_task->status = task->status;
+	return new_task;
+}
+
 void exit_task(void)
 {
 	cli();