162 lines
4.3 KiB
C
162 lines
4.3 KiB
C
/*
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* Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef _WIN32
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#include <windows.h>
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#include <process.h>
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typedef unsigned int THREAD_ID;
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#else
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#include <pthread.h>
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typedef pthread_t THREAD_ID;
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#endif
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#include <string.h>
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#include "jni.h"
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JavaVM* jvm;
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jboolean warning = 0;
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void generateWarning(JNIEnv *env) {
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jclass class_id;
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jmethodID method_id;
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printf("About to trigger JNI Warning\n");
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// Just call Thread.currentThread() twice in succession without checking
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// for an exception in between.
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class_id = (*env)->FindClass (env, "java/lang/Thread");
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if (class_id == NULL) {
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fprintf(stderr, "Test ERROR. Can't load class Thread\n");
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exit(1);
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}
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method_id = (*env)->GetStaticMethodID(env, class_id, "currentThread",
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"()Ljava/lang/Thread;");
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if (method_id == NULL) {
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fprintf(stderr, "Test ERROR. Can't find method currentThread\n");
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exit(1);
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}
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jobject nativeThread = (*env)->CallStaticObjectMethod(env, class_id, method_id, NULL);
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nativeThread = (*env)->CallStaticObjectMethod(env, class_id, method_id, NULL);
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}
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void generateError(JNIEnv *env) {
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printf("About to trigger JNI FatalError\n");
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(*env)->FatalError(env, "Fatal error generated in test code");
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}
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#ifdef _WIN32
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unsigned
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#else
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void *
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#endif
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thread_start(void* unused) {
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JNIEnv *env;
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int res;
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printf("Native thread is running and attaching as daemon ...\n");
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res = (*jvm)->AttachCurrentThreadAsDaemon(jvm, (void **)&env, NULL);
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if (res != JNI_OK) {
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fprintf(stderr, "Test ERROR. Can't attach current thread: %d\n", res);
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exit(1);
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}
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if (warning != 0) {
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generateWarning(env);
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} else {
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generateError(env);
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}
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if ((*env)->ExceptionOccurred(env) != NULL) {
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(*env)->ExceptionDescribe(env);
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exit(1);
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}
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res = (*jvm)->DetachCurrentThread(jvm);
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if (res != JNI_OK) {
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fprintf(stderr, "Test ERROR. Can't detach current thread: %d\n", res);
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exit(1);
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}
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printf("Native thread terminating\n");
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#ifndef _WIN32
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return NULL;
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#else
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return 0;
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#endif
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}
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JNIEXPORT void JNICALL
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Java_TestNativeStack_triggerJNIStackTrace
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(JNIEnv *env, jclass cls, jboolean warn) {
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THREAD_ID thread;
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int res = (*env)->GetJavaVM(env, &jvm);
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if (res != JNI_OK) {
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fprintf(stderr, "Test ERROR. Can't extract JavaVM: %d\n", res);
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exit(1);
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}
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warning = warn;
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#ifdef _WIN32
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HANDLE hThread = (HANDLE) _beginthreadex(NULL, 0, thread_start,
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NULL, 0, &thread);
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if (hThread == 0) {
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fprintf(stderr, "TEST ERROR: _beginthreadex failed: %s\n", strerror(errno));
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exit(1);
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}
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if (WaitForSingleObject(hThread, INFINITE) != WAIT_OBJECT_0) {
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fprintf(stderr, "TEST ERROR: WaitForSingleObject failed: %d\n", GetLastError());
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exit(1);
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}
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CloseHandle(hThread);
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#else
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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size_t stack_size = 0x100000;
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pthread_attr_setstacksize(&attr, stack_size);
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if ((res = pthread_create(&thread, &attr, thread_start, NULL)) != 0) {
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fprintf(stderr, "TEST ERROR: pthread_create failed: %s (%d)\n", strerror(res), res);
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exit(1);
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}
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pthread_attr_destroy(&attr);
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if ((res = pthread_join(thread, NULL)) != 0) {
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fprintf(stderr, "TEST ERROR: pthread_join failed: %s (%d)\n", strerror(res), res);
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exit(1);
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}
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#endif
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}
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