test/hotspot/jtreg/runtime/jni/terminatedThread/libterminatedThread.c
changeset 50956 429b0997c16d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/jni/terminatedThread/libterminatedThread.c	Mon Jul 09 20:17:32 2018 -0400
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <pthread.h>
+#include <string.h>
+
+#include "jni.h"
+#include "jni_util.h"
+
+
+JavaVM* jvm;
+jobject nativeThread;
+
+static void * thread_start(void* unused) {
+  JNIEnv *env;
+  jclass class_id;
+  jmethodID method_id;
+  int res;
+
+  printf("Native thread is running and attaching as daemon ...\n");
+
+  res = (*jvm)->AttachCurrentThreadAsDaemon(jvm, (void **)&env, NULL);
+  if (res != JNI_OK) {
+    fprintf(stderr, "Test ERROR. Can't attach current thread: %d\n", res);
+    exit(1);
+  }
+
+  class_id = (*env)->FindClass (env, "java/lang/Thread");
+  if (class_id == NULL) {
+    fprintf(stderr, "Test ERROR. Can't load class Thread\n");
+    exit(1);
+  }
+
+  method_id = (*env)->GetStaticMethodID(env, class_id, "currentThread",
+                                        "()Ljava/lang/Thread;");
+  if (method_id == NULL) {
+    fprintf(stderr, "Test ERROR. Can't find method currentThread\n");
+    exit(1);
+  }
+
+  nativeThread = (*env)->CallStaticObjectMethod(env, class_id, method_id, NULL);
+
+  if ((*env)->ExceptionOccurred(env) != NULL) {
+    (*env)->ExceptionDescribe(env);
+    exit(1);
+  }
+  printf("Native thread terminating\n");
+
+  return NULL;
+}
+
+JNIEXPORT jobject JNICALL
+Java_TestTerminatedThread_createTerminatedThread
+(JNIEnv *env, jclass cls) {
+  pthread_t thread;
+  int res = (*env)->GetJavaVM(env, &jvm);
+  if (res != JNI_OK) {
+    fprintf(stderr, "Test ERROR. Can't extract JavaVM: %d\n", res);
+    exit(1);
+  }
+
+  if ((res = pthread_create(&thread, NULL, thread_start, NULL)) != 0) {
+    fprintf(stderr, "TEST ERROR: pthread_create failed: %s (%d)\n", strerror(res), res);
+    exit(1);
+  }
+
+  if ((res = pthread_join(thread, NULL)) != 0) {
+    fprintf(stderr, "TEST ERROR: pthread_join failed: %s (%d)\n", strerror(res), res);
+    exit(1);
+  }
+
+  return nativeThread;
+}