--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/contention/TC01/tc01t001/tc01t001.cpp Tue Aug 28 14:37:34 2018 -0700
@@ -0,0 +1,298 @@
+/*
+ * Copyright (c) 2004, 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 <stdlib.h>
+#include <string.h>
+#include "jni_tools.h"
+#include "agent_common.h"
+#include "jvmti_tools.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* ========================================================================== */
+
+/* scaffold objects */
+static jlong timeout = 0;
+
+/* test objects */
+static jthread thread = NULL;
+static jobject object_M1 = NULL;
+static jobject object_M2 = NULL;
+
+/* ========================================================================== */
+
+static int prepare(jvmtiEnv* jvmti, JNIEnv* jni) {
+ const char* THREAD_NAME = "Debuggee Thread";
+ const char* FIELD_SIG = "Ljava/lang/Object;";
+ jvmtiThreadInfo info;
+ jthread *threads = NULL;
+ jint threads_count = 0;
+ jfieldID field = NULL;
+ jclass klass = NULL;
+ int i;
+
+ NSK_DISPLAY0("Prepare: find tested thread\n");
+
+ /* get all live threads */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB3(GetAllThreads, jvmti, &threads_count, &threads)))
+ return NSK_FALSE;
+
+ if (!NSK_VERIFY(threads_count > 0 && threads != NULL))
+ return NSK_FALSE;
+
+ /* find tested thread */
+ for (i = 0; i < threads_count; i++) {
+ if (!NSK_VERIFY(threads[i] != NULL))
+ return NSK_FALSE;
+
+ /* get thread information */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB3(GetThreadInfo, jvmti, threads[i], &info)))
+ return NSK_FALSE;
+
+ NSK_DISPLAY3(" thread #%d (%s): %p\n", i, info.name, threads[i]);
+
+ /* find by name */
+ if (info.name != NULL && (strcmp(info.name, THREAD_NAME) == 0)) {
+ thread = threads[i];
+ }
+
+ if (info.name != NULL) {
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(
+ Deallocate, jvmti, (unsigned char*)info.name)))
+ return NSK_FALSE;
+ }
+ }
+
+ /* deallocate threads list */
+ if (!NSK_JVMTI_VERIFY(
+ NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)threads)))
+ return NSK_FALSE;
+
+ /* get tested thread class */
+ if (!NSK_JNI_VERIFY(jni, (klass =
+ NSK_CPP_STUB2(GetObjectClass, jni, thread)) != NULL))
+ return NSK_FALSE;
+
+ /* get tested thread field 'M1' */
+ if (!NSK_JNI_VERIFY(jni, (field =
+ NSK_CPP_STUB4(GetFieldID, jni, klass, "M1", FIELD_SIG)) != NULL))
+ return NSK_FALSE;
+
+ if (!NSK_JNI_VERIFY(jni, (object_M1 =
+ NSK_CPP_STUB3(GetObjectField, jni, thread, field)) != NULL))
+ return NSK_FALSE;
+
+ /* get tested thread field 'M2' */
+ if (!NSK_JNI_VERIFY(jni, (field =
+ NSK_CPP_STUB4(GetFieldID, jni, klass, "M2", FIELD_SIG)) != NULL))
+ return NSK_FALSE;
+
+ if (!NSK_JNI_VERIFY(jni, (object_M2 =
+ NSK_CPP_STUB3(GetObjectField, jni, thread, field)) != NULL))
+ return NSK_FALSE;
+
+ return NSK_TRUE;
+}
+
+/* Check function GetObjectMonitorUsage
+ */
+static int checkGetObjectMonitorUsage(jvmtiEnv* jvmti, JNIEnv* jni,
+ jobject object) {
+ jvmtiMonitorUsage inf;
+ jvmtiThreadInfo tinf;
+ int result = NSK_TRUE;
+ int i;
+
+ NSK_DISPLAY1("Checking GetObjectMonitorUsage for 0x%p\n", object);
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(
+ GetObjectMonitorUsage, jvmti, object, &inf)))
+ return NSK_FALSE;
+
+ if (nsk_getVerboseMode()) {
+ if (inf.owner == NULL) {
+ NSK_DISPLAY0("\towner: none (0x0)\n");
+ } else {
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(
+ GetThreadInfo, jvmti, inf.owner, &tinf))) {
+ result = NSK_FALSE;
+ } else {
+ NSK_DISPLAY2("\towner: %s (0x%p)\n", tinf.name, inf.owner);
+ if (tinf.name != NULL) {
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(
+ Deallocate, jvmti, (unsigned char*)tinf.name)))
+ result = NSK_FALSE;
+ }
+ }
+ }
+
+ NSK_DISPLAY1("\tentry_count: %d\n", inf.entry_count);
+ NSK_DISPLAY1("\twaiter_count: %d\n", inf.waiter_count);
+ if (inf.waiter_count > 0) {
+ NSK_DISPLAY0("\twaiters:\n");
+ for (i = 0; i < inf.waiter_count; i++) {
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(
+ GetThreadInfo, jvmti, inf.waiters[i], &tinf))) {
+ result = NSK_FALSE;
+ } else {
+ NSK_DISPLAY3("\t\t%2d: %s (0x%p)\n",
+ i, tinf.name, inf.waiters[i]);
+ if (tinf.name != NULL) {
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(
+ Deallocate, jvmti, (unsigned char*)tinf.name)))
+ result = NSK_FALSE;
+ }
+ }
+ }
+ }
+
+ NSK_DISPLAY1("\tnotify_waiter_count: %d\n", inf.notify_waiter_count);
+ if (inf.notify_waiter_count > 0) {
+ NSK_DISPLAY0("\tnotify_waiters:\n");
+ for (i = 0; i < inf.notify_waiter_count; i++) {
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(
+ GetThreadInfo, jvmti, inf.notify_waiters[i], &tinf))) {
+ result = NSK_FALSE;
+ } else {
+ NSK_DISPLAY3("\t\t%2d: %s (0x%p)\n",
+ i, tinf.name, inf.notify_waiters[i]);
+ if (tinf.name != NULL) {
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(
+ Deallocate, jvmti, (unsigned char*)tinf.name)))
+ result = NSK_FALSE;
+ }
+ }
+ }
+ }
+ }
+
+ /* check owner to be debugee thread */
+ if (!NSK_JNI_VERIFY(jni, (NSK_CPP_STUB3(
+ IsSameObject, jni, inf.owner, thread)) == JNI_TRUE))
+ result = NSK_FALSE;
+
+ if (!NSK_VERIFY(inf.entry_count == 2))
+ result = NSK_FALSE;
+
+ if (!NSK_VERIFY(inf.waiter_count == 0))
+ result = NSK_FALSE;
+
+ if (!NSK_VERIFY(inf.notify_waiter_count == 0))
+ result = NSK_FALSE;
+
+ /* deallocate monitor waiters arrays */
+ if (inf.waiters != NULL) {
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(
+ Deallocate, jvmti, (unsigned char*)inf.waiters)))
+ result = NSK_FALSE;
+ }
+ if (inf.notify_waiters != NULL) {
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(
+ Deallocate, jvmti, (unsigned char*)inf.notify_waiters)))
+ result = NSK_FALSE;
+ }
+
+ return result;
+}
+
+/* ========================================================================== */
+
+/* agent algorithm */
+static void JNICALL
+agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
+
+ /* wait for initial sync */
+ if (!nsk_jvmti_waitForSync(timeout))
+ return;
+
+ if (!prepare(jvmti, jni)) {
+ nsk_jvmti_setFailStatus();
+ return;
+ }
+
+ NSK_DISPLAY0("Testcase #1: check checkGetObjectMonitorUsage for M1\n");
+ if (!checkGetObjectMonitorUsage(jvmti, jni, object_M1)) {
+ nsk_jvmti_setFailStatus();
+ }
+
+ NSK_DISPLAY0("Testcase #2: check checkGetObjectMonitorUsage for M2\n");
+ if (!checkGetObjectMonitorUsage(jvmti, jni, object_M2)) {
+ nsk_jvmti_setFailStatus();
+ }
+
+ /* resume debugee after last sync */
+ if (!nsk_jvmti_resumeSync())
+ return;
+}
+
+/* ========================================================================== */
+
+/* agent library initialization */
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_tc01t001(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_tc01t001(JavaVM *jvm, char *options, void *reserved) {
+ return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_tc01t001(JavaVM *jvm, char *options, void *reserved) {
+ return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+ jvmtiEnv* jvmti = NULL;
+ jvmtiCapabilities caps;
+
+ /* init framework and parse options */
+ if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
+ return JNI_ERR;
+
+ timeout = nsk_jvmti_getWaitTime() * 60000;
+ NSK_DISPLAY1("Timeout: %d msc\n", (int)timeout);
+
+ /* create JVMTI environment */
+ if (!NSK_VERIFY((jvmti =
+ nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
+ return JNI_ERR;
+
+ /* add capabilities */
+ memset(&caps, 0, sizeof(caps));
+ caps.can_get_monitor_info = 1;
+ if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, jvmti, &caps)))
+ 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