| /* |
| * Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import com.sun.management.OperatingSystemMXBean; |
| import java.lang.management.ManagementFactory; |
| |
| public class GetFreeSwapSpaceSize { |
| public static void main(String[] args) { |
| System.out.println("TestGetFreeSwapSpaceSize"); |
| OperatingSystemMXBean osBean = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean(); |
| for (int i = 0; i < 100; i++) { |
| long size = osBean.getFreeSwapSpaceSize(); |
| if (size < 0) { |
| System.out.println("Error: getFreeSwapSpaceSize returns " + size); |
| System.exit(-1); |
| } |
| } |
| } |
| } |
