--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/jvmti/GetOwnedMonitorStackDepthInfo/libGetOwnedMonitorStackDepthInfoTest.c Wed Jan 17 16:49:43 2018 -0800
@@ -0,0 +1,242 @@
+/*
+ * 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 <string.h>
+#include "jvmti.h"
+#include "jni.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef JNI_ENV_ARG
+
+#ifdef __cplusplus
+#define JNI_ENV_ARG(x, y) y
+#define JNI_ENV_PTR(x) x
+#else
+#define JNI_ENV_ARG(x,y) x, y
+#define JNI_ENV_PTR(x) (*x)
+#endif
+
+#endif
+
+#define PASSED 0
+#define FAILED 2
+
+#define TEST_CLASS "GetOwnedMonitorStackDepthInfoTest"
+#define LOCK1_CLASS "GetOwnedMonitorStackDepthInfoTest$Lock1"
+#define LOCK2_CLASS "GetOwnedMonitorStackDepthInfoTest$Lock2"
+
+#define TEST_OBJECT_LOCK_DEPTH 2
+#define LOCK1_DEPTH 3
+#define LOCK2_DEPTH 1
+#define EXP_MONITOR_COUNT 3
+
+static jvmtiEnv *jvmti;
+
+static jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved);
+
+static void ShowErrorMessage(jvmtiEnv *jvmti, jvmtiError errCode, const char *message) {
+ char *errMsg;
+ jvmtiError result;
+
+ result = (*jvmti)->GetErrorName(jvmti, errCode, &errMsg);
+ if (result == JVMTI_ERROR_NONE) {
+ fprintf(stderr, "%s: %s (%d)\n", message, errMsg, errCode);
+ (*jvmti)->Deallocate(jvmti, (unsigned char *)errMsg);
+ } else {
+ fprintf(stderr, "%s (%d)\n", message, errCode);
+ }
+}
+
+static jboolean CheckLockObject(JNIEnv *env, jobject monitor, jclass testClass) {
+ return (*env)->IsInstanceOf(env, monitor, testClass);
+}
+
+JNIEXPORT jint JNICALL
+Agent_OnLoad(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+
+JNIEXPORT jint JNICALL
+Agent_OnAttach(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+
+JNIEXPORT jint JNICALL
+JNI_OnLoad(JavaVM *jvm, void *reserved) {
+ jint res;
+ JNIEnv *env;
+
+ res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &env),
+ JNI_VERSION_9);
+ if (res != JNI_OK || env == NULL) {
+ fprintf(stderr, "Error: GetEnv call failed(%d)!\n", res);
+ return JNI_ERR;
+ }
+
+ return JNI_VERSION_9;
+}
+
+static
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+ jint res;
+ jvmtiError err;
+ jvmtiCapabilities caps;
+
+ printf("Agent_OnLoad started\n");
+
+ res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti),
+ JVMTI_VERSION_9);
+ if (res != JNI_OK || jvmti == NULL) {
+ fprintf(stderr, "Error: wrong result of a valid call to GetEnv!\n");
+ return JNI_ERR;
+ }
+
+ err = (*jvmti)->GetPotentialCapabilities(jvmti, &caps);
+ if (err != JVMTI_ERROR_NONE) {
+ ShowErrorMessage(jvmti, err,
+ "Agent_OnLoad: error in JVMTI GetPotentialCapabilities");
+ return JNI_ERR;
+ }
+
+ err = (*jvmti)->AddCapabilities(jvmti, &caps);
+ if (err != JVMTI_ERROR_NONE) {
+ ShowErrorMessage(jvmti, err,
+ "Agent_OnLoad: error in JVMTI AddCapabilities");
+ return JNI_ERR;
+ }
+
+ err = (*jvmti)->GetCapabilities(jvmti, &caps);
+ if (err != JVMTI_ERROR_NONE) {
+ ShowErrorMessage(jvmti, err,
+ "Agent_OnLoad: error in JVMTI GetCapabilities");
+ return JNI_ERR;
+ }
+
+ if (!caps.can_get_owned_monitor_stack_depth_info) {
+ fprintf(stderr, "Warning: GetOwnedMonitorStackDepthInfo is not implemented\n");
+ return JNI_ERR;
+ }
+
+ printf("Agent_OnLoad finished\n");
+ return JNI_OK;
+}
+
+JNIEXPORT jint JNICALL
+Java_GetOwnedMonitorStackDepthInfoTest_verifyOwnedMonitors(JNIEnv *env, jclass cls) {
+ jthread thread;
+ jvmtiError err;
+ jvmtiThreadInfo threadInfo;
+ jint monitorCount;
+ jvmtiMonitorStackDepthInfo* stackDepthInfo;
+ jclass testClass;
+ jclass lock1Class;
+ jclass lock2Class;
+
+ jint status = PASSED;
+
+ jint idx = 0;
+
+ testClass = (*env)->FindClass(env, TEST_CLASS);
+ if (testClass == NULL) {
+ fprintf(stderr, "Error: Could not load class %s!\n", TEST_CLASS);
+ return FAILED;
+ }
+
+ lock1Class = (*env)->FindClass(env, LOCK1_CLASS);
+ if (lock1Class == NULL) {
+ fprintf(stderr, "Error: Could not load class %s!\n", LOCK1_CLASS);
+ return FAILED;
+ }
+
+ lock2Class = (*env)->FindClass(env, LOCK2_CLASS);
+ if (lock2Class == NULL) {
+ fprintf(stderr, "Error: Could not load class %s!\n", LOCK2_CLASS);
+ return FAILED;
+ }
+
+ err = (*jvmti) -> GetCurrentThread(jvmti, &thread);
+ if (err != JVMTI_ERROR_NONE) {
+ ShowErrorMessage(jvmti, err,
+ "VerifyOwnedMonitors: error in JVMTI GetCurrentThread");
+ return FAILED;
+ }
+ err = (*jvmti)->GetThreadInfo(jvmti, thread, &threadInfo);
+ if (err != JVMTI_ERROR_NONE) {
+ ShowErrorMessage(jvmti, err,
+ "VerifyOwnedMonitors: error in JVMTI GetThreadInfo");
+ return FAILED;
+ }
+
+ err = (*jvmti)->GetOwnedMonitorStackDepthInfo(jvmti, thread, &monitorCount, &stackDepthInfo);
+ if (err != JVMTI_ERROR_NONE) {
+ ShowErrorMessage(jvmti, err,
+ "VerifyOwnedMonitors: error in JVMTI GetOwnedMonitorStackDepthInfo");
+ return FAILED;
+ }
+
+ printf("VerifyOwnedMonitors: %s owns %d monitor(s)\n", threadInfo.name, monitorCount);
+
+ if (monitorCount != EXP_MONITOR_COUNT) {
+ fprintf(stderr, "VerifyOwnedMonitors: FAIL: invalid monitorCount, expected: %d, found: %d.\n",
+ EXP_MONITOR_COUNT, monitorCount);
+ status = FAILED;
+ }
+ for (idx = 0; idx < monitorCount; idx++) {
+ if (CheckLockObject(env, stackDepthInfo[idx].monitor, testClass) == JNI_TRUE) {
+ if (stackDepthInfo[idx].stack_depth != TEST_OBJECT_LOCK_DEPTH) {
+ fprintf(stderr, "VerifyOwnedMonitors: FAIL: invalid stack_depth for %s monitor, expected: %d, found: %d.\n",
+ TEST_CLASS, TEST_OBJECT_LOCK_DEPTH, stackDepthInfo[idx].stack_depth);
+ status = FAILED;
+ }
+ } else if (CheckLockObject(env, stackDepthInfo[idx].monitor, lock1Class) == JNI_TRUE) {
+ if (stackDepthInfo[idx].stack_depth != LOCK1_DEPTH) {
+ fprintf(stderr, "VerifyOwnedMonitors: FAIL: invalid stack_depth for %s monitor, expected: %d, found: %d.\n",
+ LOCK1_CLASS, LOCK1_DEPTH, stackDepthInfo[idx].stack_depth);
+ status = FAILED;
+ }
+ } else if (CheckLockObject(env, stackDepthInfo[idx].monitor, lock2Class) == JNI_TRUE) {
+ if (stackDepthInfo[idx].stack_depth != LOCK2_DEPTH) {
+ fprintf(stderr, "VerifyOwnedMonitors: FAIL: invalid stack_depth for %s monitor, expected: %d, found: %d.\n",
+ LOCK2_CLASS, LOCK2_DEPTH, stackDepthInfo[idx].stack_depth);
+ status = FAILED;
+ }
+ } else {
+ fprintf(stderr, "VerifyOwnedMonitors: "
+ "FAIL: monitor should be instance of %s, %s, or %s\n", TEST_CLASS, LOCK1_CLASS, LOCK2_CLASS);
+ status = FAILED;
+
+ }
+ }
+
+ (*jvmti)->Deallocate(jvmti, (unsigned char *) stackDepthInfo);
+ (*jvmti)->Deallocate(jvmti, (unsigned char *) threadInfo.name);
+ return status;
+}
+
+#ifdef __cplusplus
+}
+#endif