struct switch_entry_frame *ef;
struct switch_threads_frame *sf;
tid_t tid;
- enum intr_level old_level;
ASSERT (function != NULL);
init_thread (t, name, priority);
tid = t->tid = allocate_tid ();
- /* Prepare thread for first run by initializing its stack.
- Do this atomically so intermediate values for the 'stack'
- member cannot be observed. */
- old_level = intr_disable ();
-
/* Stack frame for kernel_thread(). */
kf = alloc_frame (t, sizeof *kf);
kf->eip = NULL;
sf->eip = switch_entry;
sf->ebp = 0;
- intr_set_level (old_level);
-
/* Add to run queue. */
thread_unblock (t);
static void
init_thread (struct thread *t, const char *name, int priority)
{
+ enum intr_level old_level;
+
ASSERT (t != NULL);
ASSERT (PRI_MIN <= priority && priority <= PRI_MAX);
ASSERT (name != NULL);
t->stack = (uint8_t *) t + PGSIZE;
t->priority = priority;
t->magic = THREAD_MAGIC;
+
+ old_level = intr_disable ();
list_push_back (&all_list, &t->allelem);
+ intr_set_level (old_level);
}
/* Allocates a SIZE-byte frame at the top of thread T's stack and