ACPI_INVALID_THREAD_ID   81 drivers/acpi/acpica/aclocal.h #define ACPI_INVALID_THREAD_ID          ACPI_OS_INVALID_THREAD_ID
ACPI_INVALID_THREAD_ID   83 drivers/acpi/acpica/aclocal.h #define ACPI_INVALID_THREAD_ID          ((acpi_thread_id) 0xFFFFFFFF)