diff -r 01d27ae7a84e -r 46c67f5e27c2 test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/multienv/MA10/ma10t007/ma10t007.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/multienv/MA10/ma10t007/ma10t007.c	Thu May 24 17:12:15 2018 -0700
@@ -0,0 +1,144 @@
+/*
+ * 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"
+
+#define PASSED 0
+#define STATUS_FAILED 2
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* ========================================================================== */
+
+/* scaffold objects */
+static jlong timeout = 0;
+
+/* event counts */
+static int GarbageCollectionStartEventsCount = 0;
+static int GarbageCollectionFinishEventsCount = 0;
+
+/* ========================================================================== */
+
+/** callback functions **/
+
+static void JNICALL
+GarbageCollectionStart(jvmtiEnv *jvmti_env) {
+    GarbageCollectionStartEventsCount++;
+    NSK_DISPLAY0("GarbageCollectionStart\n");
+}
+
+static void JNICALL
+GarbageCollectionFinish(jvmtiEnv *jvmti_env) {
+    GarbageCollectionFinishEventsCount++;
+    NSK_DISPLAY0("GarbageCollectionFinish\n");
+}
+
+/* ========================================================================== */
+
+/** Agent algorithm. */
+static void JNICALL
+agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
+
+    if (!nsk_jvmti_waitForSync(timeout))
+        return;
+
+    NSK_DISPLAY1("GarbageCollectionStart events received: %d\n",
+        GarbageCollectionStartEventsCount);
+    if (!NSK_VERIFY(GarbageCollectionStartEventsCount != 0))
+        nsk_jvmti_setFailStatus();
+
+    NSK_DISPLAY1("GarbageCollectionFinish events received: %d\n",
+        GarbageCollectionFinishEventsCount);
+    if (!NSK_VERIFY(GarbageCollectionFinishEventsCount != 0))
+        nsk_jvmti_setFailStatus();
+
+    if (!nsk_jvmti_resumeSync())
+        return;
+}
+
+/* ========================================================================== */
+
+/** Agent library initialization. */
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_ma10t007(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_ma10t007(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_ma10t007(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;
+    jvmtiEventCallbacks callbacks;
+
+    NSK_DISPLAY0("Agent_OnLoad\n");
+
+    if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
+        return JNI_ERR;
+
+    timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
+
+    if (!NSK_VERIFY((jvmti =
+            nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
+        return JNI_ERR;
+
+    if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
+        return JNI_ERR;
+
+    memset(&caps, 0, sizeof(caps));
+    caps.can_generate_garbage_collection_events = 1;
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, jvmti, &caps))) {
+        return JNI_ERR;
+    }
+
+    memset(&callbacks, 0, sizeof(callbacks));
+    callbacks.GarbageCollectionStart = &GarbageCollectionStart;
+    callbacks.GarbageCollectionFinish = &GarbageCollectionFinish;
+    if (!NSK_VERIFY(nsk_jvmti_init_MA(&callbacks)))
+        return JNI_ERR;
+
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
+            jvmti, JVMTI_ENABLE, JVMTI_EVENT_GARBAGE_COLLECTION_START, NULL)))
+        return JNI_ERR;
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
+            jvmti, JVMTI_ENABLE, JVMTI_EVENT_GARBAGE_COLLECTION_FINISH, NULL)))
+        return JNI_ERR;
+
+    return JNI_OK;
+}
+
+/* ========================================================================== */
+
+#ifdef __cplusplus
+}
+#endif