test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/multienv/MA02/ma02t001/ma02t001.c
changeset 50260 46c67f5e27c2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/multienv/MA02/ma02t001/ma02t001.c	Thu May 24 17:12:15 2018 -0700
@@ -0,0 +1,156 @@
+/*
+ * 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;
+
+/* test objects */
+static int VMInitEventsCount = 0;
+static int VMInitEventsExpected = 1;
+static int VMDeathEventsCount = 0;
+static int VMDeathEventsExpected = 1;
+
+/* ========================================================================== */
+
+/** callback functions **/
+
+void JNICALL VMInit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thr) {
+    NSK_DISPLAY0("VMInit event\n");
+    VMInitEventsCount++;
+}
+
+void JNICALL
+VMDeath(jvmtiEnv *jvmti_env, JNIEnv *env) {
+    NSK_DISPLAY0("VMDeath event\n");
+    VMDeathEventsCount++;
+}
+
+/* ========================================================================== */
+
+/** Agent algorithm. */
+static void JNICALL
+agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
+    if (!nsk_jvmti_waitForSync(timeout))
+        return;
+
+    if (VMInitEventsCount != VMInitEventsExpected) {
+        NSK_COMPLAIN2("Wrong number of VM init events: %d, expected: %d\n",
+            VMInitEventsCount, VMInitEventsExpected);
+        nsk_jvmti_setFailStatus();
+    }
+
+    if (!nsk_jvmti_resumeSync())
+        return;
+}
+
+/* ========================================================================== */
+
+/** Agent library initialization. */
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_ma02t001(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_ma02t001(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_ma02t001(JavaVM *jvm, char *options, void *reserved) {
+    return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+    jvmtiEnv* jvmti = NULL;
+    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(&callbacks, 0, sizeof(callbacks));
+    callbacks.VMInit = &VMInit;
+    callbacks.VMDeath = &VMDeath;
+    if (!NSK_VERIFY(nsk_jvmti_init_MA(&callbacks)))
+        return JNI_ERR;
+
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
+            jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_INIT, NULL)))
+        return JNI_ERR;
+
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
+            jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_DEATH, NULL)))
+        return JNI_ERR;
+
+    return JNI_OK;
+}
+
+/* ========================================================================== */
+
+/* agent library shutdown */
+JNIEXPORT void JNICALL
+#ifdef STATIC_BUILD
+Agent_OnUnload_ma02t001(JavaVM *jvm)
+#else
+Agent_OnUnload(JavaVM *jvm)
+#endif
+{
+    const char* KEY_PHRASE = "Agent_OnUnload() of the 1st agent";
+
+    fprintf(stdout, "%s\n", KEY_PHRASE);
+    fflush(stdout);
+
+    if (VMDeathEventsCount != VMDeathEventsExpected) {
+        NSK_COMPLAIN2("Wrong number of VM death events: %d, expected: %d\n",
+            VMDeathEventsCount, VMDeathEventsExpected);
+        exit(97);
+    }
+}
+
+/* ========================================================================== */
+
+#ifdef __cplusplus
+}
+#endif