1 /*
2  * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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23 
24 import java.lang.ProcessBuilder.Redirect;
25 import java.nio.file.Files;
26 import java.nio.file.Path;
27 import java.nio.file.Paths;
28 import java.nio.file.StandardCopyOption;
29 import java.util.Arrays;
30 import java.util.List;
31 import jdk.test.lib.Asserts;
32 
33 /*
34  * @test
35  * @key cte_test
36  * @bug 4345157
37  * @summary JDK 1.3.0 alters thread signal mask
38  * @requires (vm.simpleArch == "sparcv9")
39  * @modules java.base/jdk.internal.misc
40  * @library /test/lib
41  * @compile Prog.java
42  * @run main/native ThreadSignalMask
43  */
44 public class ThreadSignalMask {
45 
main(String args[])46     public static void main(String args[]) throws Exception {
47 
48         String testClasses = getSystemProperty("test.classes");
49 
50         String testNativePath = getSystemProperty("test.nativepath");
51 
52         String testJdk = getSystemProperty("test.jdk");
53 
54         Path currentDirPath = Paths.get(".");
55 
56         Path classFilePath = Paths.get(testClasses,
57                 Prog.class.getSimpleName() + ".class");
58 
59         // copy Prog.class file to be invoked from native
60         Files.copy(classFilePath,
61                 currentDirPath.resolve(Prog.class.getSimpleName() + ".class"),
62                 StandardCopyOption.REPLACE_EXISTING);
63 
64         Path executableFilePath = Paths.get(testNativePath,
65                 ThreadSignalMask.class.getSimpleName());
66 
67         Path executableFileLocalPath = currentDirPath.resolve(
68                 ThreadSignalMask.class.getSimpleName());
69 
70         // copy compiled native executable ThreadSignalMask
71         Files.copy(executableFilePath,
72                 executableFileLocalPath,
73                 StandardCopyOption.REPLACE_EXISTING);
74 
75         executableFileLocalPath.toFile().setExecutable(true);
76 
77         long[] intervalsArray = {2000, 5000, 10000, 20000};
78 
79         List<String> processArgs = Arrays.asList(
80                 executableFileLocalPath.toString(),
81                 testJdk);
82         ProcessBuilder pb = new ProcessBuilder(processArgs);
83         pb.redirectOutput(Redirect.INHERIT);
84         pb.redirectError(Redirect.INHERIT);
85         int result = 0;
86         for (long interval : intervalsArray) {
87             Process p = pb.start();
88 
89             // sleep for a specified period of time to let native run
90             sleep(interval);
91             p.destroy();
92 
93             // wait for process to finish, get exit value and validate it
94             result = p.waitFor();
95             System.out.println("Result = " + result);
96             if (result == 0) {
97                 break;
98             }
99         }
100 
101         Asserts.assertEquals(result, 0);
102     }
103 
104     // Utility method to handle Thread.sleep
sleep(long millis)105     private static void sleep(long millis) throws InterruptedException {
106         System.out.println("Sleep for " + millis);
107         Thread.sleep(millis);
108     }
109 
110     // Utility method to retrieve and validate system properties
getSystemProperty(String propertyName)111     private static String getSystemProperty(String propertyName) throws Error {
112         String systemProperty = System.getProperty(propertyName, "").trim();
113         System.out.println(propertyName + " = " + systemProperty);
114         if (systemProperty.isEmpty()) {
115             throw new Error("TESTBUG: property " + propertyName + " is empty");
116         }
117         return systemProperty;
118     }
119 }
120