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Rev 2787 Rev 3606
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{
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{
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    futex_t *futex;
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    futex_t *futex;
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    uintptr_t paddr;
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    uintptr_t paddr;
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    pte_t *t;
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    pte_t *t;
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    ipl_t ipl;
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    ipl_t ipl;
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    int rc;
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    ipl = interrupts_disable();
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    ipl = interrupts_disable();
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    /*
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    /*
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     * Find physical address of futex counter.
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     * Find physical address of futex counter.
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    page_table_unlock(AS, true);
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    page_table_unlock(AS, true);
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    interrupts_restore(ipl);   
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    interrupts_restore(ipl);   
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    futex = futex_find(paddr);
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    futex = futex_find(paddr);
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#ifdef CONFIG_UDEBUG
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    udebug_stoppable_begin();
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#endif
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    return (unative_t) waitq_sleep_timeout(&futex->wq, usec, flags |
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    rc = waitq_sleep_timeout(&futex->wq, usec, flags |
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        SYNCH_FLAGS_INTERRUPTIBLE);
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        SYNCH_FLAGS_INTERRUPTIBLE);
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#ifdef CONFIG_UDEBUG
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    udebug_stoppable_end();
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#endif
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    return (unative_t) rc;
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}
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}
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/** Wakeup one thread waiting in futex wait queue.
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/** Wakeup one thread waiting in futex wait queue.
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 *
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 *
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 * @param uaddr Userspace address of the futex counter.
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 * @param uaddr Userspace address of the futex counter.