--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/sampling/SP01/sp01t001/sp01t001.cpp Tue Aug 28 14:37:34 2018 -0700
@@ -0,0 +1,282 @@
+/*
+ * Copyright (c) 2003, 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 <string.h>
+#include "jvmti.h"
+#include "agent_common.h"
+#include "jni_tools.h"
+#include "jvmti_tools.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* ============================================================================= */
+
+/* constant names */
+#define DEBUGEE_CLASS_NAME "nsk/jvmti/scenarios/sampling/SP01/sp01t001"
+#define THREAD_CLASS_NAME "nsk/jvmti/scenarios/sampling/SP01/sp01t001Thread"
+#define THREADS_FIELD_NAME "threads"
+#define THREADS_FIELD_SIG "[L" THREAD_CLASS_NAME ";"
+
+/* scaffold objects */
+static JNIEnv* jni = NULL;
+static jvmtiEnv *jvmti = NULL;
+static jlong timeout = 0;
+
+/* number of tested threads */
+#define THREADS_COUNT 2
+
+/* names of tested threads */
+static const char* threadsName[THREADS_COUNT] = {
+ "NotStarted",
+ "Finished"
+};
+
+#define JVMTI_THREAD_STATE_NOT_STARTED 0
+/* expected states of tested threads */
+static jint threadsState[THREADS_COUNT] = {
+ JVMTI_THREAD_STATE_NOT_STARTED, /* JVMTI_THREAD_STATUS_NOT_STARTED */
+ JVMTI_THREAD_STATE_TERMINATED /* JVMTI_THREAD_STATUS_ZOMBIE */
+};
+
+/* references to tested threads */
+static jthread threadsList[THREADS_COUNT];
+
+/* ============================================================================= */
+
+/* testcase(s) */
+static int prepare();
+static int checkThreads(const char* kind);
+static int clean();
+
+/* ============================================================================= */
+
+/** Agent algorithm. */
+static void JNICALL
+agentProc(jvmtiEnv* jvmti, JNIEnv* agentJNI, void* arg) {
+ jni = agentJNI;
+
+ /* wait for initial sync */
+ if (!nsk_jvmti_waitForSync(timeout))
+ return;
+
+ /* perform testcase(s) */
+ {
+ /* obtain threads list */
+ if (!prepare()) {
+ nsk_jvmti_setFailStatus();
+ return;
+ }
+
+ /* testcase #1: check not alive threads */
+ NSK_DISPLAY0("Testcase #1: check state of not alive threads\n");
+ if (!checkThreads("not alive"))
+ return;
+
+ /* clean threads references */
+ if (!clean()) {
+ nsk_jvmti_setFailStatus();
+ return;
+ }
+ }
+
+ /* resume debugee after last sync */
+ if (!nsk_jvmti_resumeSync())
+ return;
+}
+
+/* ============================================================================= */
+
+/**
+ * Prepare data:
+ * - get threads array from static field
+ * - get each thread from array
+ * - make global refs
+ */
+static int prepare() {
+ jclass debugeeClass = NULL;
+ jfieldID threadsFieldID = NULL;
+ jobjectArray threadsArray = NULL;
+ jsize threadsArrayLength = 0;
+ jsize i;
+
+ /* find debugee class */
+ if (!NSK_JNI_VERIFY(jni, (debugeeClass =
+ NSK_CPP_STUB2(FindClass, jni, DEBUGEE_CLASS_NAME)) != NULL))
+ return NSK_FALSE;
+
+ /* find static field with threads array */
+ if (!NSK_JNI_VERIFY(jni, (threadsFieldID =
+ NSK_CPP_STUB4(GetStaticFieldID, jni, debugeeClass,
+ THREADS_FIELD_NAME, THREADS_FIELD_SIG)) != NULL))
+ return NSK_FALSE;
+
+ /* get threads array from static field */
+ if (!NSK_JNI_VERIFY(jni, (threadsArray = (jobjectArray)
+ NSK_CPP_STUB3(GetStaticObjectField, jni, debugeeClass, threadsFieldID)) != NULL))
+ return NSK_FALSE;
+
+ /* check array length */
+ if (!NSK_JNI_VERIFY(jni, (threadsArrayLength =
+ NSK_CPP_STUB2(GetArrayLength, jni, threadsArray)) == THREADS_COUNT))
+ return NSK_FALSE;
+
+ /* get each thread from array */
+ for (i = 0; i < THREADS_COUNT; i++) {
+ if (!NSK_JNI_VERIFY(jni, (threadsList[i] = (jthread)
+ NSK_CPP_STUB3(GetObjectArrayElement, jni, threadsArray, i)) != NULL))
+ return NSK_FALSE;
+ }
+
+ /* make global references to threads */
+ for (i = 0; i < THREADS_COUNT; i++) {
+ if (!NSK_JNI_VERIFY(jni, (threadsList[i] = (jthread)
+ NSK_CPP_STUB2(NewGlobalRef, jni, threadsList[i])) != NULL))
+ return NSK_FALSE;
+ }
+
+ return NSK_TRUE;
+}
+
+/**
+ * Testcase: check threads state for given suspension
+ *
+ * Returns NSK_TRUE if test may continue; or NSK_FALSE for test break.
+ */
+static int checkThreads(const char* kind) {
+ int i;
+
+ /* check each thread */
+ for (i = 0; i < THREADS_COUNT; i++) {
+ jthread thread = threadsList[i];
+ jint state = JVMTI_THREAD_STATE_NOT_STARTED;
+
+ NSK_DISPLAY2(" thread #%d (%s):\n", i, threadsName[i]);
+
+ /* get thread state */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB3(GetThreadState, jvmti, threadsList[i], &state))) {
+ nsk_jvmti_setFailStatus();
+ return NSK_TRUE;
+ }
+
+ /* display thread state */
+ NSK_DISPLAY2(" state=%s (%d)\n",
+ TranslateState(state), (int)state);
+
+ /* check thread state */
+ if ((state & threadsState[i]) == 0) {
+ if (state == JVMTI_THREAD_STATE_NOT_STARTED) {
+ NSK_DISPLAY1("state of thread #%d is NOT_STARTED\n", kind);
+ } else {
+ NSK_COMPLAIN7("Unexpected state of %s thread #%d (%s):\n"
+ "# got: %s (%d), expected: %s (%d)\n",
+ kind, i, threadsName[i],
+ TranslateState(state), (int)state,
+ TranslateState(threadsState[i]), (int)threadsState[i]);
+ nsk_jvmti_setFailStatus();
+ }
+ }
+
+ /* check SUSPENDED state flag */
+ if (state & JVMTI_THREAD_STATE_SUSPENDED) {
+ NSK_COMPLAIN3("Unexpected SUSPENDED state flag for %s thread #%d: %d\n",
+ kind, i, (int)state);
+ nsk_jvmti_setFailStatus();
+ }
+
+ /* check INTERRUPTED state flag */
+ if (state & JVMTI_THREAD_STATE_INTERRUPTED) {
+ NSK_COMPLAIN3("Unexpected INTERRUPTED state flag for %s thread #%d: %d\n",
+ kind, i, (int)state);
+ nsk_jvmti_setFailStatus();
+ }
+
+ /* check NATIVE state flag */
+ if (state & JVMTI_THREAD_STATE_IN_NATIVE) {
+ NSK_COMPLAIN3("Unexpected NATIVE state flag for %s thread #%d: %d\n",
+ kind, i, (int)state);
+ nsk_jvmti_setFailStatus();
+ }
+ }
+
+ /* test may continue */
+ return NSK_TRUE;
+}
+
+/**
+ * Clean data:
+ * - dispose global references to tested threads
+ */
+static int clean() {
+ int i;
+
+ /* dispose global references to threads */
+ for (i = 0; i < THREADS_COUNT; i++) {
+ NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, threadsList[i]));
+ }
+
+ return NSK_TRUE;
+}
+
+/* ============================================================================= */
+
+/** Agent library initialization. */
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_sp01t001(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_sp01t001(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_sp01t001(JavaVM *jvm, char *options, void *reserved) {
+ return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+
+ /* init framework and parse options */
+ if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
+ return JNI_ERR;
+
+ timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
+
+ /* create JVMTI environment */
+ if (!NSK_VERIFY((jvmti =
+ nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
+ return JNI_ERR;
+
+ /* register agent proc and arg */
+ if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
+ return JNI_ERR;
+
+ return JNI_OK;
+}
+
+/* ============================================================================= */
+
+#ifdef __cplusplus
+}
+#endif