40 import sun.hotspot.WhiteBox;
41
42 public class CleanProtectionDomain {
43
44 public static void main(String args[]) throws Exception {
45 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
46 "-Xlog:protectiondomain+table=debug",
47 "--add-exports=java.base/jdk.internal.misc=ALL-UNNAMED",
48 "-XX:+UnlockDiagnosticVMOptions",
49 "-XX:+WhiteBoxAPI",
50 "-Xbootclasspath/a:.",
51 Test.class.getName());
52 OutputAnalyzer output = new OutputAnalyzer(pb.start());
53 output.shouldContain("protection domain added");
54 output.shouldContain("protection domain unlinked");
55 output.shouldHaveExitValue(0);
56 }
57
58 static class Test {
59 public static void test() throws Exception {
60 Unsafe unsafe = Unsafe.getUnsafe();
61 TestClassLoader classloader = new TestClassLoader();
62 ProtectionDomain pd = new ProtectionDomain(null, null);
63 byte klassbuf[] = InMemoryJavaCompiler.compile("TestClass", "class TestClass { }");
64 Class klass = unsafe.defineClass(null, klassbuf, 0, klassbuf.length, classloader, pd);
65 }
66
67 public static void main(String[] args) throws Exception {
68 WhiteBox wb = WhiteBox.getWhiteBox();
69 int removedCountOrig = wb.protectionDomainRemovedCount();
70 int removedCount;
71
72 test();
73
74 // Wait until ServiceThread cleans ProtectionDomain table.
75 // When the TestClassLoader is unloaded by GC, at least one
76 // ProtectionDomainCacheEntry will be eligible for removal.
77 int cnt = 0;
78 while (true) {
79 if (cnt++ % 30 == 0) {
80 System.gc();
81 }
82 removedCount = wb.resolvedMethodRemovedCount();
83 if (removedCountOrig != removedCount) {
84 break;
85 }
86 Thread.sleep(100);
87 }
88 }
89
90 private static class TestClassLoader extends ClassLoader {
91 public TestClassLoader() {
92 super();
93 }
94 }
95 }
96 }
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40 import sun.hotspot.WhiteBox;
41
42 public class CleanProtectionDomain {
43
44 public static void main(String args[]) throws Exception {
45 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
46 "-Xlog:protectiondomain+table=debug",
47 "--add-exports=java.base/jdk.internal.misc=ALL-UNNAMED",
48 "-XX:+UnlockDiagnosticVMOptions",
49 "-XX:+WhiteBoxAPI",
50 "-Xbootclasspath/a:.",
51 Test.class.getName());
52 OutputAnalyzer output = new OutputAnalyzer(pb.start());
53 output.shouldContain("protection domain added");
54 output.shouldContain("protection domain unlinked");
55 output.shouldHaveExitValue(0);
56 }
57
58 static class Test {
59 public static void test() throws Exception {
60 TestClassLoader classloader = new TestClassLoader();
61 ProtectionDomain pd = new ProtectionDomain(null, null);
62 byte klassbuf[] = InMemoryJavaCompiler.compile("TestClass", "class TestClass { }");
63 Class<?> klass = classloader.defineClass("TestClass", klassbuf, pd);
64 }
65
66 public static void main(String[] args) throws Exception {
67 WhiteBox wb = WhiteBox.getWhiteBox();
68 int removedCountOrig = wb.protectionDomainRemovedCount();
69 int removedCount;
70
71 test();
72
73 // Wait until ServiceThread cleans ProtectionDomain table.
74 // When the TestClassLoader is unloaded by GC, at least one
75 // ProtectionDomainCacheEntry will be eligible for removal.
76 int cnt = 0;
77 while (true) {
78 if (cnt++ % 30 == 0) {
79 System.gc();
80 }
81 removedCount = wb.resolvedMethodRemovedCount();
82 if (removedCountOrig != removedCount) {
83 break;
84 }
85 Thread.sleep(100);
86 }
87 }
88
89 private static class TestClassLoader extends ClassLoader {
90 public TestClassLoader() {
91 super();
92 }
93
94 public Class<?> defineClass(String name, byte[] bytes, ProtectionDomain pd) {
95 return defineClass(name, bytes, 0, bytes.length, pd);
96 }
97 }
98 }
99 }
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