96 lines
2.9 KiB
Java
96 lines
2.9 KiB
Java
/*
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* Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8314120
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* @summary Sanity test for FileDescriptor.sync
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* @library /test/lib
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* @run main Sync
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*/
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import java.io.File;
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import java.io.FileDescriptor;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.SyncFailedException;
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import jdk.test.lib.thread.VThreadRunner;
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public class Sync {
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static final String TEST_DIR = System.getProperty("test.dir", ".");
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static final int TRIES = 10_000;
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public static void testWith(File file) throws Exception {
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try (FileOutputStream fos = new FileOutputStream(file)) {
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FileDescriptor fd = fos.getFD();
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for (int t = 0; t < TRIES; t++) {
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fd.sync();
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}
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} catch (SyncFailedException sfe) {
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// Can happen on some filesystems, print it in the log
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System.out.println("Sync failed (acceptable)");
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sfe.printStackTrace();
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}
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}
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public static void main(String[] args) throws Exception {
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// Run on platform threads
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System.out.println("With platform threads");
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run();
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// Run on virtual threads
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System.out.println("With virtual threads");
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VThreadRunner.run(Sync::run);
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System.out.println("Complete");
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}
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private static class AutoDelete implements AutoCloseable {
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private final File file;
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public AutoDelete(File file) {
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this.file = file;
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}
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public File file() {
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return file;
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}
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@Override
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public void close() throws Exception {
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file.delete();
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}
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}
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public static void run() throws Exception {
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try (var w = new AutoDelete(new File(TEST_DIR, "FileDescriptorSync1"))) {
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testWith(w.file());
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}
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try (var w = new AutoDelete(File.createTempFile("FileDescriptorSync2", "tmp"))) {
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testWith(w.file());
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}
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}
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}
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