/******************************************************************************* * * FUNCTION: AcpiExSystemDoStall * * PARAMETERS: HowLong - The amount of time to stall, * in microseconds * * RETURN: Status * * DESCRIPTION: Suspend running thread for specified amount of time. * Note: ACPI specification requires that Stall() does not * relinquish the processor, and delays longer than 100 usec * should use Sleep() instead. We allow stalls up to 255 usec * for compatibility with other interpreters and existing BIOSs. * ******************************************************************************/