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Rev 1288 Rev 1297
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    if (rc != 0)
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    if (rc != 0)
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        return (__native) rc;
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        return (__native) rc;
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    return (__native) ddi_iospace_enable((task_id_t) arg.task_id, (__address) arg.ioaddr, (size_t) arg.size);
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    return (__native) ddi_iospace_enable((task_id_t) arg.task_id, (__address) arg.ioaddr, (size_t) arg.size);
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}
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}
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/** Disable or enable preemption.
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 *
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 * @param enable If non-zero, the preemption counter will be decremented, leading to potential
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 *       enabling of preemption. Otherwise the preemption counter will be incremented,
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 *       preventing preemption from occurring.
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 *
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 * @return Zero on success or EPERM if callers capabilities are not sufficient.
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 */
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__native sys_preempt_control(int enable)
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{
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        if (! cap_get(TASK) & CAP_PREEMPT_CONTROL)
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                return EPERM;
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        if (enable)
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                preemption_enable();
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        else
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                preemption_disable();
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        return 0;
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}