acpi_os_execute(acpi_execute_type type,
acpi_osd_exec_callback function, void *context);
+acpi_status
+acpi_os_hotplug_execute(acpi_osd_exec_callback function, void *context);
+
void acpi_os_wait_events_complete(void *context);
void acpi_os_sleep(acpi_integer milliseconds);