ACPI_GLOCK_PENDING
newValue = ((oldValue & ~ACPI_GLOCK_PENDING) | ACPI_GLOCK_OWNED);
newValue |= ACPI_GLOCK_PENDING;
return (newValue & ACPI_GLOCK_PENDING) == 0;
newValue = oldValue & ~(ACPI_GLOCK_PENDING | ACPI_GLOCK_OWNED);
return (oldValue & ACPI_GLOCK_PENDING) != 0;