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annotate test/runtime/InitialThreadOverflow/invoke.cxx @ 18079:605df8463453 jdk8u25-b06

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Merge
author asaha
date Wed, 02 Jul 2014 15:42:28 -0700
parents d8e99408faad
children
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12144
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
d8e99408faad 8009062: poor performance of JNI AttachCurrentThread after fix for 7017193
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 #include <assert.h>
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25 #include <jni.h>
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26
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27 #include <pthread.h>
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28
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29 JavaVM* jvm;
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30
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31 void *
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32 floobydust (void *p) {
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33 JNIEnv *env;
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34
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35 jvm->AttachCurrentThread((void**)&env, NULL);
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36
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37 jclass class_id = env->FindClass ("DoOverflow");
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38 assert (class_id);
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39
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40 jmethodID method_id = env->GetStaticMethodID(class_id, "printIt", "()V");
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41 assert (method_id);
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42
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43 env->CallStaticVoidMethod(class_id, method_id, NULL);
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44
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45 jvm->DetachCurrentThread();
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46 }
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47
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48 int
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49 main (int argc, const char** argv) {
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50 JavaVMOption options[1];
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51 options[0].optionString = (char*) "-Xss320k";
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52
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53 JavaVMInitArgs vm_args;
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54 vm_args.version = JNI_VERSION_1_2;
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55 vm_args.ignoreUnrecognized = JNI_TRUE;
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56 vm_args.options = options;
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57 vm_args.nOptions = 1;
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58
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59 JNIEnv* env;
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60 jint result = JNI_CreateJavaVM(&jvm, (void**)&env, &vm_args);
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61 assert(result >= 0);
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62
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63 pthread_t thr;
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64 pthread_create(&thr, NULL, floobydust, NULL);
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65 pthread_join(thr, NULL);
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66
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67 floobydust(NULL);
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68
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69 return 0;
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70 }