| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef _CGROUPS_OPERATIONS_H_ |
| #define _CGROUPS_OPERATIONS_H_ |
| |
| #define CGROUPS_SECTION_NAME "cgroups" |
| #define CGROUPS_ROOT_KEY "root" |
| #define CGROUPS_YARN_HIERARCHY_KEY "yarn-hierarchy" |
| |
| /** |
| * Handle update CGroups parameter update requests: |
| * - hierarchy_name: e.g. devices / cpu,cpuacct |
| * - param_name: e.g. deny |
| * - group_id: e.g. container_x_y |
| * - value: e.g. "a *:* rwm" |
| * |
| * return 0 if succeeded |
| */ |
| int update_cgroups_parameters( |
| const char* hierarchy_name, |
| const char* param_name, |
| const char* group_id, |
| const char* value); |
| |
| /** |
| * Get CGroups path to update. Visible for testing. |
| * Return 0 if succeeded |
| */ |
| char* get_cgroups_path_to_write( |
| const char* hierarchy_name, |
| const char* param_name, |
| const char* group_id); |
| |
| /** |
| * Reload config from filesystem, visible for testing. |
| */ |
| void reload_cgroups_configuration(); |
| |
| #endif |
