Mercurial > hg > graal-compiler
view test/serviceability/attach/AttachWithStalePidFile.java @ 17925:45e59fae8f2b
8041481: JVM crashes with collect_args_for_profiling
Summary: method handle call to c1 intrinsic tries to profile popped argument
Reviewed-by: kvn, twisti
author | roland |
---|---|
date | Fri, 25 Apr 2014 09:22:16 +0200 |
parents | 2e8f19c2feef |
children | 09f19d3de485 |
line wrap: on
line source
/* * Copyright (c) 2013, Oracle and/or its affiliates. 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. */ /* * @test * @bug 7162400 * @key regression * @summary Regression test for attach issue where stale pid files in /tmp lead to connection issues * @library /testlibrary * @compile AttachWithStalePidFileTarget.java * @run main AttachWithStalePidFile */ import com.oracle.java.testlibrary.*; import com.sun.tools.attach.VirtualMachine; import sun.tools.attach.HotSpotVirtualMachine; import java.lang.reflect.Field; import java.nio.file.*; import java.nio.file.attribute.*; import java.io.*; public class AttachWithStalePidFile { public static void main(String... args) throws Exception { // this test is only valid on non-Windows platforms if(Platform.isWindows()) { System.out.println("This test is only valid on non-Windows platforms."); return; } // Since there might be stale pid-files owned by different // users on the system we may need to retry the test in case we // are unable to remove the existing file. int retries = 5; while(!runTest() && --retries > 0); if(retries == 0) { throw new RuntimeException("Test failed after 5 retries. " + "Remove any /tmp/.java_pid* files and retry."); } } public static boolean runTest() throws Exception { ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( "-XX:+UnlockDiagnosticVMOptions", "-XX:+PauseAtStartup", "AttachWithStalePidFileTarget"); Process target = pb.start(); Path pidFile = null; try { int pid = getUnixProcessId(target); // create the stale .java_pid file. use hard-coded /tmp path as in th VM pidFile = createJavaPidFile(pid); if(pidFile == null) { return false; } // wait for vm.paused file to be created and delete it once we find it. waitForAndResumeVM(pid); // unfortunately there's no reliable way to know the VM is ready to receive the // attach request so we have to do an arbitrary sleep. Thread.sleep(5000); HotSpotVirtualMachine vm = (HotSpotVirtualMachine)VirtualMachine.attach(((Integer)pid).toString()); BufferedReader remoteDataReader = new BufferedReader(new InputStreamReader(vm.remoteDataDump())); String line = null; while((line = remoteDataReader.readLine()) != null); vm.detach(); return true; } finally { target.destroy(); target.waitFor(); if(pidFile != null && Files.exists(pidFile)) { Files.delete(pidFile); } } } private static Path createJavaPidFile(int pid) throws Exception { Path pidFile = Paths.get("/tmp/.java_pid" + pid); if(Files.exists(pidFile)) { try { Files.delete(pidFile); } catch(FileSystemException e) { if(e.getReason().equals("Operation not permitted")) { System.out.println("Unable to remove exisiting stale PID file" + pidFile); return null; } throw e; } } return Files.createFile(pidFile, PosixFilePermissions.asFileAttribute(PosixFilePermissions.fromString("rw-------"))); } private static void waitForAndResumeVM(int pid) throws Exception { Path pauseFile = Paths.get("vm.paused." + pid); int retries = 60; while(!Files.exists(pauseFile) && --retries > 0) { Thread.sleep(1000); } if(retries == 0) { throw new RuntimeException("Timeout waiting for VM to start. " + "vm.paused file not created within 60 seconds."); } Files.delete(pauseFile); } private static int getUnixProcessId(Process unixProcess) throws Exception { Field pidField = unixProcess.getClass().getDeclaredField("pid"); pidField.setAccessible(true); return (Integer)pidField.get(unixProcess); } }