1 /* 2 * Copyright (c) 2018, 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 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #include <stdio.h> 25 #include <stdlib.h> 26 27 #include <pthread.h> 28 #include <string.h> 29 30 #include "jni.h" 31 #include "jni_util.h" 32 33 34 JavaVM* jvm; 35 jobject nativeThread; 36 37 static void * thread_start(void* unused) { 38 JNIEnv *env; 39 jclass class_id; 40 jmethodID method_id; 41 int res; 42 43 printf("Native thread is running and attaching as daemon ...\n"); 44 45 res = (*jvm)->AttachCurrentThreadAsDaemon(jvm, (void **)&env, NULL); 46 if (res != JNI_OK) { 47 fprintf(stderr, "Test ERROR. Can't attach current thread: %d\n", res); 48 exit(1); 49 } 50 51 class_id = (*env)->FindClass (env, "java/lang/Thread"); 52 if (class_id == NULL) { 53 fprintf(stderr, "Test ERROR. Can't load class Thread\n"); 54 exit(1); 55 } 56 57 method_id = (*env)->GetStaticMethodID(env, class_id, "currentThread", 58 "()Ljava/lang/Thread;"); 59 if (method_id == NULL) { 60 fprintf(stderr, "Test ERROR. Can't find method currentThread\n"); 61 exit(1); 62 } 63 64 nativeThread = (*env)->CallStaticObjectMethod(env, class_id, method_id, NULL); 65 66 if ((*env)->ExceptionOccurred(env) != NULL) { 67 (*env)->ExceptionDescribe(env); 68 exit(1); 69 } 70 printf("Native thread terminating\n"); 71 72 return NULL; 73 } 74 75 JNIEXPORT jobject JNICALL 76 Java_TestTerminatedThread_createTerminatedThread 77 (JNIEnv *env, jclass cls) { 78 pthread_t thread; 79 int res = (*env)->GetJavaVM(env, &jvm); 80 if (res != JNI_OK) { 81 fprintf(stderr, "Test ERROR. Can't extract JavaVM: %d\n", res); 82 exit(1); 83 } 84 85 if ((res = pthread_create(&thread, NULL, thread_start, NULL)) != 0) { 86 fprintf(stderr, "TEST ERROR: pthread_created failed: %s (%d)\n", strerror(res), res); 87 exit(1); 88 } 89 90 if ((res = pthread_join(thread, NULL)) != 0) { 91 fprintf(stderr, "TEST ERROR: pthread_created failed: %s (%d)\n", strerror(res), res); 92 exit(1); 93 } 94 95 return nativeThread; 96 }