--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/AttachOnDemand/attach008/attach008Agent00.c	Thu May 24 17:12:15 2018 -0700
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2007, 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 <string.h>
+#include <jni.h>
+#include <jvmti.h>
+#include <aod.h>
+#include <jvmti_aod.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Expected agent work scenario:
+ *  - receive MonitorContentedEnter event for thread ThreadGeneratingEvents
+ *  - receive MonitorContentedEntered event for thread ThreadGeneratingEvents and finish work
+ */
+
+#define THREAD_GENERATING_EVENTS_NAME "ThreadGeneratingEvents"
+
+static Options* options = NULL;
+static const char* agentName;
+
+static jvmtiEvent testEvents[] = {JVMTI_EVENT_MONITOR_CONTENDED_ENTER, JVMTI_EVENT_MONITOR_CONTENDED_ENTERED};
+static const int testEventsNumber = 2;
+
+static volatile int monitorEnter = 0;
+
+static int success = 1;
+
+void JNICALL monitorContentedEnterHandler(jvmtiEnv * jvmti,
+        JNIEnv * jni,
+        jthread thread,
+        jobject object) {
+    char threadName[MAX_STRING_LENGTH];
+
+    if (!nsk_jvmti_aod_getThreadName(jvmti, thread, threadName)) {
+        nsk_jvmti_aod_disableEventsAndFinish(agentName, testEvents, testEventsNumber, 0, jvmti, jni);
+        return;
+    }
+
+    NSK_DISPLAY2("%s: MonitorContentedEnter event received for thread '%s'\n", agentName, threadName);
+
+    if (!strcmp(threadName, THREAD_GENERATING_EVENTS_NAME)) {
+        monitorEnter = 1;
+    }
+}
+
+void JNICALL monitorContentedEnteredHandler(
+        jvmtiEnv * jvmti,
+        JNIEnv * jni,
+        jthread thread,
+        jobject object) {
+    char threadName[MAX_STRING_LENGTH];
+
+    if(!nsk_jvmti_aod_getThreadName(jvmti, thread, threadName)) {
+        nsk_jvmti_aod_disableEventsAndFinish(agentName, testEvents, testEventsNumber, 0, jvmti, jni);
+        return;
+    }
+
+    NSK_DISPLAY2("%s: MonitorContentedEntered event received for thread '%s'\n", agentName, threadName);
+
+    if (!strcmp(threadName, THREAD_GENERATING_EVENTS_NAME)) {
+        int success = 1;
+
+        if (!monitorEnter) {
+            success = 0;
+            NSK_COMPLAIN2("%s: MonitorContentedEnter event wasn't received for thread %s\n", agentName, threadName);
+        }
+
+        nsk_jvmti_aod_disableEventsAndFinish(agentName, testEvents, testEventsNumber, success, jvmti, jni);
+    }
+}
+
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNI_OnLoad_attach008Agent00(JavaVM *jvm, char *options, void *reserved) {
+    return JNI_VERSION_1_8;
+}
+#endif
+
+JNIEXPORT jint JNICALL
+#ifdef STATIC_BUILD
+Agent_OnAttach_attach008Agent00(JavaVM *vm, char *optionsString, void *reserved)
+#else
+Agent_OnAttach(JavaVM *vm, char *optionsString, void *reserved)
+#endif
+{
+    jvmtiEventCallbacks eventCallbacks;
+    jvmtiCapabilities caps;
+    jvmtiEnv* jvmti = NULL;
+    JNIEnv* jni = NULL;
+
+    if (!NSK_VERIFY((options = (Options*) nsk_aod_createOptions(optionsString)) != NULL))
+        return JNI_ERR;
+
+    agentName = nsk_aod_getOptionValue(options, NSK_AOD_AGENT_NAME_OPTION);
+
+    if ((jni = (JNIEnv*) nsk_aod_createJNIEnv(vm)) == NULL)
+        return NSK_FALSE;
+
+    if (!NSK_VERIFY((jvmti = nsk_jvmti_createJVMTIEnv(vm, reserved)) != NULL))
+        return JNI_ERR;
+
+    memset(&caps, 0, sizeof(caps));
+    caps.can_generate_monitor_events = 1;
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, jvmti, &caps)) ) {
+        return JNI_ERR;
+    }
+
+    memset(&eventCallbacks,0, sizeof(eventCallbacks));
+    eventCallbacks.MonitorContendedEntered = monitorContentedEnteredHandler;
+    eventCallbacks.MonitorContendedEnter = monitorContentedEnterHandler;
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetEventCallbacks, jvmti, &eventCallbacks, sizeof(eventCallbacks))) ) {
+        return JNI_ERR;
+    }
+
+    if (!(nsk_jvmti_aod_enableEvents(jvmti, testEvents, testEventsNumber))) {
+        return JNI_ERR;
+    }
+
+    NSK_DISPLAY1("%s: initialization was done\n", agentName);
+
+    if (!NSK_VERIFY(nsk_aod_agentLoaded(jni, agentName)))
+        return JNI_ERR;
+
+    return JNI_OK;
+}
+
+#ifdef __cplusplus
+}
+#endif