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8156871: Possible concurrency issue with JVM_AddModuleExports

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Need for single PackageEntry flag to determine a package's unqualifed export state.

Reviewed-by: acorn, ctornqvi, dholmes, jiangli
This commit is contained in:
Lois Foltan 2016-06-16 13:34:32 -04:00
parent eba25b33b9
commit f3741800fe
10 changed files with 359 additions and 16 deletions
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80
hotspot/test/runtime/modules/ModuleStress/ExportModuleStressTest.java Normal file
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/*
* Copyright (c) 2016, 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 8156871
* @summary package in the boot layer is repeatedly exported to unique module created in layers on top of the boot layer
* @modules java.base/jdk.internal.misc
* @library /testlibrary /test/lib
* @compile ../CompilerUtils.java
* @build ExportModuleStressTest
* @run main/othervm ExportModuleStressTest
*/
import java.nio.file.Path;
import java.nio.file.Paths;
import jdk.test.lib.*;
public class ExportModuleStressTest {
private static final String TEST_SRC = System.getProperty("test.src");
private static final String TEST_CLASSES = System.getProperty("test.classes");
private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
private static final Path MODS_DIR = Paths.get(TEST_CLASSES, "mods");
/**
* Compiles all module definitions used by the test
*/
public static void main(String[] args) throws Exception {
boolean compiled;
// Compile module jdk.test declaration
compiled = CompilerUtils.compile(
SRC_DIR.resolve("jdk.test"),
MODS_DIR.resolve("jdk.test"));
if (!compiled) {
throw new RuntimeException("Test failed to compile module jdk.test");
}
// Compile module jdk.translet declaration
compiled = CompilerUtils.compile(
SRC_DIR.resolve("jdk.translet"),
MODS_DIR.resolve("jdk.translet"),
"-XaddExports:jdk.test/test=jdk.translet",
"-mp", MODS_DIR.toString());
if (!compiled) {
throw new RuntimeException("Test failed to compile module jdk.translet");
}
// Sanity check that the test, jdk.test/test/Main.java
// runs without error.
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
"-mp", MODS_DIR.toString(),
"-m", "jdk.test/test.Main");
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldContain("failed: 0")
.shouldHaveExitValue(0);
}
}