1 /* 2 * Copyright (c) 2020, Red Hat Inc. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.internal.platform.cgroupv2; 27 28 import java.nio.file.Paths; 29 30 import jdk.internal.platform.CgroupSubsystem; 31 import jdk.internal.platform.CgroupSubsystemController; 32 33 public class CgroupV2SubsystemController implements CgroupSubsystemController { 34 35 private final String path; 36 37 public CgroupV2SubsystemController(String mountPath, String cgroupPath) { 38 this.path = Paths.get(mountPath, cgroupPath).toString(); 39 } 40 41 @Override 42 public String path() { 43 return path; 44 } 45 46 public static long convertStringToLong(String strval) { 47 return CgroupSubsystemController.convertStringToLong(strval, 48 CgroupSubsystem.LONG_RETVAL_UNLIMITED /* overflow retval */, 49 CgroupSubsystem.LONG_RETVAL_UNLIMITED /* default retval on error */); 50 } 51 52 public static long getLongEntry(CgroupSubsystemController controller, String param, String entryname) { 53 return CgroupSubsystemController.getLongEntry(controller, 54 param, 55 entryname, 56 CgroupSubsystem.LONG_RETVAL_UNLIMITED /* retval on error */); 57 } 58 }