--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/sampling/SP03/sp03t001/sp03t001.cpp Tue Aug 28 14:37:34 2018 -0700
@@ -0,0 +1,486 @@
+/*
+ * 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
+
+/* ============================================================================= */
+
+/* scaffold objects */
+static JNIEnv* jni = NULL;
+static jvmtiEnv *jvmti = NULL;
+static jlong timeout = 0;
+
+/* number of tested threads */
+#define THREADS_KINDS 6
+#define DEFAULT_THREADS_NUMBER 1
+
+/* names of tested threads */
+static const char* threadsName[THREADS_KINDS] = {
+ "ThreadRunning",
+ "ThreadEntering",
+ "ThreadWaiting",
+ "ThreadSleeping",
+ "ThreadRunningInterrupted",
+ "ThreadRunningNative"
+};
+
+/* expected states of tested threads */
+#define JVMTI_THREAD_STATE_NOT_STARTED 0
+static jint threadsState[THREADS_KINDS] = {
+ JVMTI_THREAD_STATE_RUNNABLE,
+ JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER,
+ JVMTI_THREAD_STATE_IN_OBJECT_WAIT,
+ JVMTI_THREAD_STATE_SLEEPING,
+ JVMTI_THREAD_STATE_RUNNABLE,
+ JVMTI_THREAD_STATE_RUNNABLE
+};
+
+/* references to tested threads */
+static jthread* threadsList[THREADS_KINDS];
+static int threadsCounts[THREADS_KINDS];
+static int threadsCount = 0;
+
+/* indexes of known threads */
+static const int interruptedThreadIndex = THREADS_KINDS - 2;
+static const int nativeThreadIndex = THREADS_KINDS - 1;
+
+/* ============================================================================= */
+
+/* testcase(s) */
+static int prepare();
+static int checkThreads(int suspended, const char* kind, jlong timeout);
+static int suspendThreadsList(int suspend);
+static int suspendThreadsIndividually(int suspend);
+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) */
+ {
+ /* prepare data: find threads */
+ if (!prepare()) {
+ nsk_jvmti_setFailStatus();
+ return;
+ }
+
+ /* testcase #1: check not suspended threads */
+ NSK_DISPLAY0("Testcase #1: check state of not suspended threads\n");
+ if (!checkThreads(NSK_FALSE, "not suspended", timeout))
+ return;
+
+ /* suspend threads */
+ NSK_DISPLAY0("Suspend threads list\n");
+ if (!suspendThreadsList(NSK_TRUE))
+ return;
+
+ /* testcase #2: check suspended threads */
+ NSK_DISPLAY0("Testcase #2: check state of suspended threads\n");
+ if (!checkThreads(NSK_TRUE, "suspended", 0))
+ return;
+
+ /* resume threads */
+ NSK_DISPLAY0("Resume threads list\n");
+ if (!suspendThreadsList(NSK_FALSE))
+ return;
+
+ /* testcase #3: check resumed threads */
+ NSK_DISPLAY0("Testcase #3: check state of resumed threads\n");
+ if (!checkThreads(NSK_FALSE, "resumed", 0))
+ return;
+
+ /* clean date: delete threads references */
+ if (!clean()) {
+ nsk_jvmti_setFailStatus();
+ return;
+ }
+ }
+
+ /* resume debugee after last sync */
+ if (!nsk_jvmti_resumeSync())
+ return;
+}
+
+/* ============================================================================= */
+
+/**
+ * Prepare data:
+ * - clean threads list
+ * - get all live threads
+ * - get threads name
+ * - find tested threads
+ * - make global refs
+ */
+static int prepare() {
+ jthread *allThreadsList = NULL;
+ jint allThreadsCount = 0;
+ int notfound = 0;
+ int i, j;
+
+ NSK_DISPLAY1("Prepare: find tested threads: %d kinds\n", THREADS_KINDS);
+
+ /* allocate and clean threads list */
+ for (i = 0; i < THREADS_KINDS; i++) {
+ threadsCounts[i] = 0;
+ threadsList[i] = NULL;
+
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB3(Allocate, jvmti, (threadsCount * sizeof(jthread)),
+ (unsigned char**)&threadsList[i])))
+ return NSK_FALSE;
+
+ for (j = 0; j < threadsCount; j++) {
+ threadsList[i][j] = NULL;
+ }
+ }
+
+ /* get all live threads */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB3(GetAllThreads, jvmti, &allThreadsCount, &allThreadsList)))
+ return NSK_FALSE;
+
+ if (!NSK_VERIFY(allThreadsCount > 0 && allThreadsList != NULL))
+ return NSK_FALSE;
+
+ /* find tested threads */
+ for (i = 0; i < allThreadsCount; i++) {
+ jvmtiThreadInfo threadInfo;
+
+ if (!NSK_VERIFY(allThreadsList[i] != NULL))
+ return NSK_FALSE;
+
+ /* get thread name (info) */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB3(GetThreadInfo, jvmti, allThreadsList[i], &threadInfo)))
+ return NSK_FALSE;
+
+ /* find by name */
+ if (threadInfo.name != NULL) {
+ for (j = 0; j < THREADS_KINDS; j++) {
+ if (strcmp(threadInfo.name, threadsName[j]) == 0) {
+ int k = threadsCounts[j];
+ if (k < threadsCount)
+ threadsList[j][k] = allThreadsList[i];
+ threadsCounts[j]++;
+ }
+ }
+ }
+ }
+
+ /* deallocate all threads list */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)allThreadsList)))
+ return NSK_FALSE;
+
+ /* check if all tested threads found */
+ notfound = 0;
+ for (i = 0; i < THREADS_KINDS; i++) {
+ if (threadsCounts[i] != threadsCount) {
+ NSK_COMPLAIN3("Found unexpected number of tested threads (%s):\n"
+ "# found: %d\n"
+ "# expected: %d\n",
+ threadsName[i], threadsCounts[i], threadsCount);
+ nsk_jvmti_setFailStatus();
+ notfound++;
+ }
+ }
+
+ if (notfound > 0)
+ return NSK_FALSE;
+
+ /* make global refs */
+ for (i = 0; i < THREADS_KINDS; i++) {
+ for (j = 0; j < threadsCount; j++) {
+ if (!NSK_JNI_VERIFY(jni, (threadsList[i][j] =
+ NSK_CPP_STUB2(NewGlobalRef, jni, threadsList[i][j])) != NULL))
+ return NSK_FALSE;
+ }
+ }
+
+ return NSK_TRUE;
+}
+
+/**
+ * Suspend or resume tested threads list.
+ */
+static int suspendThreadsList(int suspend) {
+ jlong resultsSize = threadsCount * sizeof(jvmtiError);
+ jvmtiError* results = NULL;
+ const char* kind = (suspend ? "suspending" : "resuming");
+ int i, j;
+
+ /* allocate results array */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB3(Allocate, jvmti, resultsSize, (unsigned char**)&results))) {
+ nsk_jvmti_setFailStatus();
+ return NSK_FALSE;
+ }
+
+ for (i = 0; i < THREADS_KINDS; i++) {
+ /* suspend or resume threads list */
+ if (suspend) {
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB4(SuspendThreadList, jvmti, threadsCount,
+ threadsList[i], results)))
+ nsk_jvmti_setFailStatus();
+ } else {
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB4(ResumeThreadList, jvmti, threadsCount,
+ threadsList[i], results)))
+ nsk_jvmti_setFailStatus();
+ }
+
+ /* check results */
+ for (j = 0; j < threadsCount; j++) {
+ if (results[j] != JVMTI_ERROR_NONE) {
+ NSK_COMPLAIN5("Unexpected result of %s thread #%d (%s):\n"
+ "# got result: %s (%d)\n",
+ kind, j, threadsName[i],
+ TranslateError(results[j]), (int)results[j]);
+ nsk_jvmti_setFailStatus();
+ }
+ }
+ }
+
+ /* deallocate results array */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)results))) {
+ nsk_jvmti_setFailStatus();
+ }
+
+ return NSK_TRUE;
+}
+
+/**
+ * Suspend or resume tested threads individually.
+ */
+static int suspendThreadsIndividually(int suspend) {
+ int i, j;
+
+ for (i = 0; i < THREADS_KINDS; i++) {
+ for (j = 0; j < threadsCount; j++) {
+ if (suspend) {
+ NSK_DISPLAY2(" suspend thread #%d (%s)\n", j, threadsName[i]);
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB2(SuspendThread, jvmti, threadsList[i][j])))
+ nsk_jvmti_setFailStatus();
+ } else {
+ NSK_DISPLAY2(" resume thread #%d (%s)\n", j, threadsName[i]);
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB2(ResumeThread, jvmti, threadsList[i][j])))
+ nsk_jvmti_setFailStatus();
+ }
+ }
+ }
+ return NSK_TRUE;
+}
+
+/**
+ * Testcase: check tested threads
+ * - get thread state and state flag
+ * - wait for WAITIME if state is not expected
+ * - check if thread state is as expected
+ *
+ * Returns NSK_TRUE if test may continue; or NSK_FALSE for test break.
+ */
+static int checkThreads(int suspended, const char* kind, jlong timeout) {
+ int i, j;
+
+ /* check each thread */
+ for (i = 0; i < THREADS_KINDS; i++) {
+ for (j = 0; j < threadsCount; j++) {
+ jint state = JVMTI_THREAD_STATE_NOT_STARTED;
+ jlong t = 0;
+
+ NSK_DISPLAY2(" thread #%d (%s):\n", j, threadsName[i]);
+
+ /* get thread state */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB3(GetThreadState, jvmti, threadsList[i][j], &state))) {
+ nsk_jvmti_setFailStatus();
+ return NSK_FALSE;
+ }
+
+ NSK_DISPLAY2(" state = %s (%d)\n",
+ TranslateState(state), (int)state);
+
+ /* check SUSPENDED state */
+ if (suspended) {
+ if (!(state & JVMTI_THREAD_STATE_SUSPENDED)) {
+ NSK_COMPLAIN5("No SUSPENDED state for %s thread #%d (%s):\n"
+ "# got flags: %s (%d)\n",
+ kind, j, threadsName[i],
+ TranslateState(state), (int)state);
+ nsk_jvmti_setFailStatus();
+ }
+ } else {
+ if (state & JVMTI_THREAD_STATE_SUSPENDED) {
+ NSK_COMPLAIN5("Unexpected SUSPENDED state for %s thread #%d (%s):\n"
+ "# got flags: %s (%d)\n",
+ kind, j, threadsName[i],
+ TranslateState(state), (int)state);
+ nsk_jvmti_setFailStatus();
+ }
+ }
+ }
+ }
+
+ /* test may continue */
+ return NSK_TRUE;
+}
+
+/**
+ * Clean data:
+ * - dispose global references to tested threads
+ */
+static int clean() {
+ int i, j;
+
+ /* dispose global references to threads */
+ for (i = 0; i < THREADS_KINDS; i++) {
+ for (j = 0; j < threadsCount; j++) {
+ NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, threadsList[i][j]));
+ }
+ }
+
+ /* deallocate memory */
+ for (i = 0; i < THREADS_KINDS; i++) {
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)threadsList[i])))
+ return NSK_FALSE;
+ threadsList[i] = NULL;
+ }
+
+ return NSK_TRUE;
+}
+
+/* ============================================================================= */
+
+static volatile int testedThreadRunning = NSK_FALSE;
+static volatile int testedThreadShouldFinish = NSK_FALSE;
+
+/** Native running method in tested thread. */
+JNIEXPORT void JNICALL
+Java_nsk_jvmti_scenarios_sampling_SP03_sp03t001ThreadRunningNative_nativeMethod(JNIEnv* jni,
+ jobject obj) {
+ volatile int i = 0, n = 1000;
+
+ /* run in a loop */
+ testedThreadRunning = NSK_TRUE;
+ while (!testedThreadShouldFinish) {
+ if (n <= 0)
+ n = 1000;
+ if (i >= n)
+ i = 0;
+ i++;
+ }
+ testedThreadRunning = NSK_FALSE;
+}
+
+/** Wait for native method is running. */
+JNIEXPORT jboolean JNICALL
+Java_nsk_jvmti_scenarios_sampling_SP03_sp03t001ThreadRunningNative_checkReady(JNIEnv* jni,
+ jobject obj) {
+ while (!testedThreadRunning) {
+ nsk_jvmti_sleep(1000);
+ }
+ return testedThreadRunning ? JNI_TRUE : JNI_FALSE;
+}
+
+/* Let native method to finish. */
+JNIEXPORT void JNICALL
+Java_nsk_jvmti_scenarios_sampling_SP03_sp03t001ThreadRunningNative_letFinish(JNIEnv* jni,
+ jobject obj) {
+ testedThreadShouldFinish = NSK_TRUE;
+}
+
+/* ============================================================================= */
+
+/** Agent library initialization. */
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_sp03t001(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_sp03t001(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_sp03t001(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;
+
+ /* get number of threads for each kind */
+ threadsCount = nsk_jvmti_findOptionIntValue("threads", DEFAULT_THREADS_NUMBER);
+ if (!NSK_VERIFY(threadsCount > 0))
+ return JNI_ERR;
+
+ /* create JVMTI environment */
+ if (!NSK_VERIFY((jvmti =
+ nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
+ return JNI_ERR;
+
+ /* add specific capabilities for suspending thread */
+ {
+ jvmtiCapabilities suspendCaps;
+ memset(&suspendCaps, 0, sizeof(suspendCaps));
+ suspendCaps.can_suspend = 1;
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB2(AddCapabilities, jvmti, &suspendCaps)))
+ 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