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Line 178... Line 178...
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            slab_free(fpu_context_slab, t->saved_fpu_context);
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            slab_free(fpu_context_slab, t->saved_fpu_context);
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#endif
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#endif
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        return -1;
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        return -1;
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    }
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    }
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-
 
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#ifdef CONFIG_UDEBUG
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    mutex_initialize(&t->udebug.lock, MUTEX_PASSIVE);
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    mutex_initialize(&t->udebug.lock, MUTEX_PASSIVE);
-
 
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#endif
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    return 0;
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    return 0;
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}
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}
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/** Destruction of thread_t object */
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/** Destruction of thread_t object */
Line 346... Line 348...
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    t->fpu_context_exists = 0;
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    t->fpu_context_exists = 0;
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    t->fpu_context_engaged = 0;
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    t->fpu_context_engaged = 0;
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    avltree_node_initialize(&t->threads_tree_node);
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    avltree_node_initialize(&t->threads_tree_node);
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    t->threads_tree_node.key = (uintptr_t) t;
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    t->threads_tree_node.key = (uintptr_t) t;
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-
 
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#ifdef CONFIG_UDEBUG
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    /* Init debugging stuff */
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    /* Init debugging stuff */
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    udebug_thread_initialize(&t->udebug);
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    udebug_thread_initialize(&t->udebug);
-
 
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#endif
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358
 
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    /* might depend on previous initialization */
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    /* might depend on previous initialization */
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    thread_create_arch(t); 
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    thread_create_arch(t); 
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    if (!(flags & THREAD_FLAG_NOATTACH))
362
    if (!(flags & THREAD_FLAG_NOATTACH))
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    /*
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    /*
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     * Attach to the specified task.
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     * Attach to the specified task.
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     */
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     */
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    ipl = interrupts_disable();
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    ipl = interrupts_disable();
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    spinlock_lock(&task->lock);
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    spinlock_lock(&task->lock);
-
 
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    atomic_inc(&task->refcount);
426
    atomic_inc(&task->refcount);
-
 
427
 
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    /* Must not count kbox thread into lifecount */
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    /* Must not count kbox thread into lifecount */
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    if (t->flags & THREAD_FLAG_USPACE)
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    if (t->flags & THREAD_FLAG_USPACE)
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        atomic_inc(&task->lifecount);
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        atomic_inc(&task->lifecount);
-
 
431
 
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    list_append(&t->th_link, &task->th_head);
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    list_append(&t->th_link, &task->th_head);
426
    spinlock_unlock(&task->lock);
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    spinlock_unlock(&task->lock);
427
 
434
 
428
    /*
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    /*
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     * Register this thread in the system-wide list.
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     * Register this thread in the system-wide list.
Line 443... Line 450...
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void thread_exit(void)
450
void thread_exit(void)
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{
451
{
445
    ipl_t ipl;
452
    ipl_t ipl;
446
 
453
 
447
    if (THREAD->flags & THREAD_FLAG_USPACE) {
454
    if (THREAD->flags & THREAD_FLAG_USPACE) {
-
 
455
#ifdef CONFIG_UDEBUG
448
        /* Generate udebug THREAD_E event */
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        /* Generate udebug THREAD_E event */
449
        udebug_thread_e_event();
457
        udebug_thread_e_event();
450
 
458
#endif
451
        if (atomic_predec(&TASK->lifecount) == 0) {
459
        if (atomic_predec(&TASK->lifecount) == 0) {
452
            /*
460
            /*
453
             * We are the last userspace thread in the task that
461
             * We are the last userspace thread in the task that
454
             * still has not exited. With the exception of the
462
             * still has not exited. With the exception of the
455
             * moment the task was created, new userspace threads
463
             * moment the task was created, new userspace threads
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             }
758
             }
751
        }
759
        }
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        thread_attach(t, TASK);
760
        thread_attach(t, TASK);
753
        thread_ready(t);
761
        thread_ready(t);
754
 
762
 
-
 
763
#ifdef CONFIG_UDEBUG
755
        /* Generate udebug THREAD_B event */
764
        /* Generate udebug THREAD_B event */
756
        udebug_thread_b_event(t);
765
        udebug_thread_b_event(t);
-
 
766
#endif
757
 
767
 
758
        return 0;
768
        return 0;
759
    } else
769
    } else
760
        free(kernel_uarg);
770
        free(kernel_uarg);
761
 
771