test/hotspot/jtreg/vmTestbase/nsk/jvmti/GarbageCollectionFinish/gcfinish001/gcfinish001.c
changeset 50260 46c67f5e27c2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/GarbageCollectionFinish/gcfinish001/gcfinish001.c	Thu May 24 17:12:15 2018 -0700
@@ -0,0 +1,248 @@
+/*
+ * Copyright (c) 2003, 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 <jvmti.h>
+#include "agent_common.h"
+
+#include "nsk_tools.h"
+#include "JVMTITools.h"
+#include "jvmti_tools.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define STATUS_FAILED 2
+#define PASSED 0
+
+#define MEM_SIZE 1024
+
+static jvmtiEnv *jvmti = NULL;
+static jvmtiEventCallbacks callbacks;
+static jvmtiCapabilities caps;
+
+static volatile jint result = PASSED;
+static volatile int gcstart = 0;
+unsigned char *mem;
+
+static void rawMonitorFunc(jvmtiEnv *jvmti_env, const char *msg) {
+    jrawMonitorID _lock;
+
+    NSK_DISPLAY1("%s: creating a raw monitor ...\n",
+        msg);
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(CreateRawMonitor,
+            jvmti_env, "_lock", &_lock))) {
+        result = STATUS_FAILED;
+        NSK_COMPLAIN1("TEST FAILED: %s: unable to create a raw monitor\n\n",
+            msg);
+        return;
+    }
+    NSK_DISPLAY1("CHECK PASSED: %s: raw monitor created\n",
+        msg);
+
+    NSK_DISPLAY1("%s: entering the raw monitor ...\n",
+        msg);
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorEnter,
+            jvmti_env, _lock))) {
+        result = STATUS_FAILED;
+        NSK_COMPLAIN1("TEST FAILED: %s: unable to enter the raw monitor\n\n",
+            msg);
+    }
+    else {
+        NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor entered\n",
+            msg);
+
+        NSK_DISPLAY1("%s: waiting the raw monitor ...\n",
+            msg);
+        if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(RawMonitorWait,
+                jvmti_env, _lock, (jlong)10))) {
+            result = STATUS_FAILED;
+            NSK_COMPLAIN1("TEST FAILED: %s: unable to wait the raw monitor\n\n",
+                msg);
+        }
+        NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor waited\n",
+            msg);
+
+
+        NSK_DISPLAY1("%s: notifying a single thread waiting on the raw monitor ...\n",
+            msg);
+        if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorNotify,
+                jvmti_env, _lock))) {
+            result = STATUS_FAILED;
+            NSK_COMPLAIN1("TEST FAILED: %s: unable to notify single thread\n\n",
+                msg);
+        }
+        NSK_DISPLAY1("CHECK PASSED: %s: single thread notified\n",
+            msg);
+
+
+        NSK_DISPLAY1("%s: notifying all threads waiting on the raw monitor ...\n",
+            msg);
+        if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorNotifyAll,
+                jvmti_env, _lock))) {
+            result = STATUS_FAILED;
+            NSK_COMPLAIN1("TEST FAILED: %s: unable to notify all threads\n\n",
+                msg);
+        }
+        NSK_DISPLAY1("CHECK PASSED: %s: all threads notified\n",
+            msg);
+
+
+        NSK_DISPLAY1("%s: exiting the raw monitor ...\n",
+            msg);
+        if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(RawMonitorExit,
+                jvmti_env, _lock))) {
+            result = STATUS_FAILED;
+            NSK_COMPLAIN1("TEST FAILED: %s: unable to exit the raw monitor\n\n",
+                msg);
+        }
+        NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor exited\n",
+            msg);
+    }
+
+    NSK_DISPLAY1("%s: destroying the raw monitor ...\n",
+        msg);
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(DestroyRawMonitor,
+            jvmti_env, _lock))) {
+        result = STATUS_FAILED;
+        NSK_COMPLAIN1("TEST FAILED: %s: unable to destroy a raw monitor\n",
+            msg);
+        return;
+    }
+    NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor destroyed\n",
+        msg);
+}
+
+static void memoryFunc(jvmtiEnv *jvmti_env, const char *msg) {
+    NSK_DISPLAY1("%s: allocating memory ...\n",
+        msg);
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(Allocate,
+            jvmti_env, MEM_SIZE, &mem))) {
+        result = STATUS_FAILED;
+        NSK_COMPLAIN1("TEST FAILED: %s: unable to allocate memory\n\n",
+            msg);
+        return;
+    }
+    else
+        NSK_DISPLAY1("CHECK PASSED: %s: memory has been allocated successfully\n",
+            msg);
+
+    NSK_DISPLAY1("%s: deallocating memory ...\n",
+        msg);
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
+            jvmti_env, mem))) {
+        result = STATUS_FAILED;
+        NSK_COMPLAIN1("TEST FAILED: %s: unable to deallocate memory\n\n",
+            msg);
+    }
+    else
+        NSK_DISPLAY1("CHECK PASSED: %s: memory has been deallocated successfully\n\n",
+            msg);
+}
+
+/** callback functions **/
+void JNICALL
+GarbageCollectionFinish(jvmtiEnv *jvmti_env) {
+    gcstart++;
+    NSK_DISPLAY1(">>>> GarbageCollectionFinish event #%d received\n",
+        gcstart);
+
+    rawMonitorFunc(jvmti_env, "GarbageCollectionFinish");
+
+    memoryFunc(jvmti_env, "GarbageCollectionFinish");
+
+    NSK_DISPLAY0("<<<<\n\n");
+}
+
+void JNICALL
+VMDeath(jvmtiEnv *jvmti_env, JNIEnv *env) {
+    NSK_DISPLAY0("VMDeath event received\n");
+
+    if (result == STATUS_FAILED)
+        exit(95 + STATUS_FAILED);
+}
+
+/************************/
+
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_gcfinish001(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_gcfinish001(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_gcfinish001(JavaVM *jvm, char *options, void *reserved) {
+    return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+    /* init framework and parse options */
+    if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
+        return JNI_ERR;
+
+    /* create JVMTI environment */
+    if (!NSK_VERIFY((jvmti =
+            nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
+        return JNI_ERR;
+
+    /* add capability to generate compiled method events */
+    memset(&caps, 0, sizeof(jvmtiCapabilities));
+    caps.can_generate_garbage_collection_events = 1;
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities,
+            jvmti, &caps)))
+        return JNI_ERR;
+
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetCapabilities,
+            jvmti, &caps)))
+        return JNI_ERR;
+
+    if (!caps.can_generate_garbage_collection_events)
+        NSK_DISPLAY0("Warning: generation of garbage collection events is not implemented\n");
+
+    /* set event callback */
+    NSK_DISPLAY0("setting event callbacks ...\n");
+    (void) memset(&callbacks, 0, sizeof(callbacks));
+    callbacks.VMDeath = &VMDeath;
+    callbacks.GarbageCollectionFinish = &GarbageCollectionFinish;
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB3(SetEventCallbacks,
+            jvmti, &callbacks, sizeof(callbacks))))
+        return JNI_ERR;
+
+    NSK_DISPLAY0("setting event callbacks done\nenabling JVMTI events ...\n");
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
+            jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_DEATH, NULL)))
+        return JNI_ERR;
+    if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
+            jvmti, JVMTI_ENABLE, JVMTI_EVENT_GARBAGE_COLLECTION_FINISH, NULL)))
+        return JNI_ERR;
+    NSK_DISPLAY0("enabling the events done\n\n");
+
+    return JNI_OK;
+}
+
+#ifdef __cplusplus
+}
+#endif