-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_allocate_owner_id
- *
- * PARAMETERS: id_type - Type of ID (method or table)
- *
- * DESCRIPTION: Allocate a table or method owner id
- *
- * NOTE: this algorithm has a wraparound problem at 64_k method invocations, and
- * should be revisited (TBD)
- *
- ******************************************************************************/
-
-acpi_owner_id
-acpi_ut_allocate_owner_id (
- u32 id_type)
-{
- acpi_owner_id owner_id = 0xFFFF;
-
-
- ACPI_FUNCTION_TRACE ("ut_allocate_owner_id");
-
-
- if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES)))
- {
- return (0);
- }
-
- switch (id_type)
- {
- case ACPI_OWNER_TYPE_TABLE:
-
- owner_id = acpi_gbl_next_table_owner_id;
- acpi_gbl_next_table_owner_id++;
-
- /* Check for wraparound */
-
- if (acpi_gbl_next_table_owner_id == ACPI_FIRST_METHOD_ID)
- {
- acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID;
- ACPI_REPORT_WARNING (("Table owner ID wraparound\n"));
- }
- break;
-
-
- case ACPI_OWNER_TYPE_METHOD:
-
- owner_id = acpi_gbl_next_method_owner_id;
- acpi_gbl_next_method_owner_id++;
-
- if (acpi_gbl_next_method_owner_id == ACPI_FIRST_TABLE_ID)
- {
- /* Check for wraparound */
-
- acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID;
- }
- break;
-
- default:
- break;
- }
-
- (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
- return_VALUE (owner_id);
-}
-
-