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test/hotspot/jtreg/runtime/Thread/TestBreakSignalThreadDump.java
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/* | ||
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. | ||
* Copyright (c) 2022, Google 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. | ||
*/ | ||
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/* | ||
* @test id=default | ||
* @bug 8292695 | ||
* @summary Check that Ctrl-\ or Ctrl-Break (on Windows) causes HotSpot VM to print a full thread dump. | ||
* @library /vmTestbase | ||
* /test/lib | ||
* @run driver TestBreakSignalThreadDump | ||
*/ | ||
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/* | ||
* @test id=with_jsig | ||
* @bug 8292695 | ||
* @summary Check that Ctrl-\ causes HotSpot VM to print a full thread dump when signal chaining is used. | ||
* @requires os.family != "windows" & os.family != "aix" | ||
* @library /vmTestbase | ||
* /test/lib | ||
* @run driver TestBreakSignalThreadDump load_libjsig | ||
*/ | ||
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import java.nio.file.Files; | ||
import java.nio.file.Path; | ||
import java.util.Map; | ||
import jdk.test.lib.Platform; | ||
import jdk.test.lib.Utils; | ||
import jdk.test.lib.process.ProcessTools; | ||
import jdk.test.lib.process.OutputAnalyzer; | ||
import vm.share.ProcessUtils; | ||
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public class TestBreakSignalThreadDump { | ||
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static class TestProcess { | ||
static { | ||
System.loadLibrary("ProcessUtils"); | ||
} | ||
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public static void main(String[] argv) throws Exception { | ||
ProcessUtils.sendCtrlBreak(); | ||
// Wait a bit, as JVM processes the break signal asynchronously. | ||
Thread.sleep(1000); | ||
System.out.println("Done!"); | ||
} | ||
} | ||
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public static void main(String[] argv) throws Exception { | ||
String main = "TestBreakSignalThreadDump$TestProcess"; | ||
ProcessBuilder pb = ProcessTools.createTestJvm("-Djava.library.path=" + Utils.TEST_NATIVE_PATH, main); | ||
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if (argv.length > 0 && argv[0].equals("load_libjsig")) { | ||
prepend_jsig_lib(pb.environment()); | ||
} | ||
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OutputAnalyzer output = new OutputAnalyzer(pb.start()); | ||
output.shouldHaveExitValue(0); | ||
output.shouldContain("Full thread dump "); | ||
output.shouldContain("java.lang.Thread.State: RUNNABLE"); | ||
output.shouldContain("Done!"); | ||
} | ||
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private static void prepend_jsig_lib(Map<String, String> env) { | ||
Path libjsig = Platform.jvmLibDir().resolve("libjsig." + Platform.sharedLibraryExt()); | ||
if (!Files.exists(libjsig)) { | ||
throw new RuntimeException("File libjsig not found, path: " + libjsig); | ||
} | ||
String env_var = Platform.isOSX() ? "DYLD_INSERT_LIBRARIES" : "LD_PRELOAD"; | ||
env.put(env_var, libjsig.toString()); | ||
} | ||
} |