test/hotspot/jtreg/vmTestbase/nsk/jvmti/VMInit/vminit001/vminit001.cpp
changeset 51551 e409244ce72e
parent 50260 46c67f5e27c2
child 51729 1ebe04845112
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/VMInit/vminit001/vminit001.cpp	Tue Aug 28 14:37:34 2018 -0700
@@ -0,0 +1,202 @@
+/*
+ * 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 <string.h>
+#include "jvmti.h"
+#include "agent_common.h"
+#include "JVMTITools.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef JNI_ENV_ARG
+
+#ifdef __cplusplus
+#define JNI_ENV_ARG(x, y) y
+#define JNI_ENV_PTR(x) x
+#else
+#define JNI_ENV_ARG(x,y) x, y
+#define JNI_ENV_PTR(x) (*x)
+#endif
+
+#endif
+
+#define PASSED 0
+#define STATUS_FAILED 2
+#define WAIT_TIME 1000
+
+static jvmtiEnv *jvmti = NULL;
+static jvmtiEventCallbacks callbacks;
+static jint result = PASSED;
+static jboolean printdump = JNI_FALSE;
+static const char *name = "main";
+static int mainStarted = 0;
+static int eventsCount = 0;
+static int eventsExpected = 1;
+
+void JNICALL VMInit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thr) {
+    jvmtiError err;
+    jrawMonitorID wait_lock;
+
+    if (printdump == JNI_TRUE) {
+        printf(">>> VM init event #%d\n", eventsCount);
+    }
+
+    err = jvmti_env->SetEventNotificationMode(JVMTI_ENABLE,
+            JVMTI_EVENT_THREAD_START, NULL);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("Failed to enable JVMTI_EVENT_THREAD_START: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+    }
+
+    err = jvmti_env->CreateRawMonitor("_wait_lock", &wait_lock);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(CreateRawMonitor) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+    }
+    err = jvmti_env->RawMonitorEnter(wait_lock);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(RawMonitorEnter) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+    }
+    err = jvmti_env->RawMonitorWait(wait_lock, (jlong)WAIT_TIME);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(RawMonitorWait) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+    }
+    err = jvmti_env->RawMonitorExit(wait_lock);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(RawMonitorExit) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+    }
+    err = jvmti_env->DestroyRawMonitor(wait_lock);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(DestroyRawMonitor) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+    }
+
+    eventsCount++;
+}
+
+void JNICALL ThreadStart(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread) {
+    jvmtiError err;
+    jvmtiThreadInfo inf;
+
+    err = jvmti_env->GetThreadInfo(thread, &inf);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(GetThreadInfo) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+        return;
+    }
+    if (printdump == JNI_TRUE) {
+        printf(">>> thread start: %s\n", inf.name);
+    }
+    if (inf.name != NULL && strcmp(name, inf.name) == 0) {
+        mainStarted++;
+        if (eventsCount == 0) {
+            printf("ThreadStart event for the main thread occurs\n");
+            printf("before the VMInit event does return.\n");
+            result = STATUS_FAILED;
+        }
+    }
+}
+
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_vminit001(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_vminit001(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_vminit001(JavaVM *jvm, char *options, void *reserved) {
+    return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+    jvmtiError err;
+    jint res;
+
+    if (options != NULL && strcmp(options, "printdump") == 0) {
+        printdump = JNI_TRUE;
+    }
+
+    res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti),
+        JVMTI_VERSION_1_1);
+    if (res != JNI_OK || jvmti == NULL) {
+        printf("Wrong result of a valid call to GetEnv!\n");
+        return JNI_ERR;
+    }
+
+    callbacks.VMInit = &VMInit;
+    callbacks.ThreadStart = &ThreadStart;
+    err = jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks));
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(SetEventCallbacks) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        return JNI_ERR;
+    }
+
+    err = jvmti->SetEventNotificationMode(JVMTI_ENABLE,
+            JVMTI_EVENT_VM_INIT, NULL);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("Failed to enable JVMTI_EVENT_VM_INIT: %s (%d)\n",
+               TranslateError(err), err);
+        return JNI_ERR;
+    }
+
+    return JNI_OK;
+}
+
+JNIEXPORT jint JNICALL
+Java_nsk_jvmti_VMInit_vminit001_check(JNIEnv *env, jclass cls) {
+    if (jvmti == NULL) {
+        printf("JVMTI client was not properly loaded!\n");
+        return STATUS_FAILED;
+    }
+
+    if (eventsCount != eventsExpected) {
+        printf("Wrong number of VM init events: %d, expected: %d\n",
+            eventsCount, eventsExpected);
+        result = STATUS_FAILED;
+    }
+
+    if (!mainStarted) {
+        printf("Missing ThreadStart event for the main thread\n");
+        result = STATUS_FAILED;
+    }
+
+    return result;
+}
+
+#ifdef __cplusplus
+}
+#endif