/*
* thread_exit()
* Cause the current thread to cease executing.
*
* We remove ourself from the run queue, clear down some of the thread table
* details and then jump into the middle of the task switching routine.
* This switches our current state out without trying to save it first.
*/
void thread_exit(void)
{
struct thread *t, **tprev;
isr_disable();
debug_set_lights(0x11);
t = thread_list;
tprev = &thread_list;
while (t != (struct thread *)current_context) {
tprev = &t->t_next;
t = t->t_next;
}
*tprev = t->t_next;
/*
* We need to make sure that the memory used for this thread gets
* restored to the heap. We can't do that ourself of course as we're
* using that memory now!
*/
((struct thread *)current_context)->t_next = idle_free;
idle_free = (struct thread *)current_context;
context_exit();
}
/* quit thread */
void thread_exit (int code)
{
context_disable ();
if (current_process)
current_process->exit_code = code;
context_exit ();
}